{"id":7360,"date":"2026-07-02T03:36:05","date_gmt":"2026-07-02T03:36:05","guid":{"rendered":"http:\/\/australianholden.com\/?p=7360"},"modified":"2026-07-02T03:36:10","modified_gmt":"2026-07-02T03:36:10","slug":"best-transmission-fluids-for-classic-commodores","status":"publish","type":"post","link":"https:\/\/australianholden.com\/index.php\/2026\/07\/02\/best-transmission-fluids-for-classic-commodores\/","title":{"rendered":"Best Transmission Fluids for Classic Commodores"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Transmission fluid is one of the most important maintenance items in any classic Commodore, yet it is often overlooked. Whether you own a VB, VC, VH, VK, VL, VN or VP Commodore, the correct transmission fluid helps ensure smooth shifting, reduced wear and long-term reliability.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Many surviving Commodores are now more than 30 to 45 years old. Original transmissions have often accumulated hundreds of thousands of kilometres, making lubrication more important than ever. Using the wrong fluid can lead to harsh shifting, transmission slip, overheating and premature component wear.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Fortunately, modern lubricants provide significantly better protection than many of the fluids available when these vehicles were new.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Why Transmission Fluid Matters<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Transmission fluid performs several critical functions.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Automatic Transmission Fluid<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Lubricates moving parts<\/li>\n\n\n\n<li>Transfers hydraulic pressure<\/li>\n\n\n\n<li>Provides cooling<\/li>\n\n\n\n<li>Reduces wear<\/li>\n\n\n\n<li>Prevents corrosion<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Manual Gearbox Oil<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Lubricates gears and bearings<\/li>\n\n\n\n<li>Protects synchros<\/li>\n\n\n\n<li>Reduces heat<\/li>\n\n\n\n<li>Prevents metal wear<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Poor-quality or degraded fluid can significantly reduce transmission life.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Which Commodore Transmissions Are Covered?<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Classic Commodores were available with several transmission types.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Automatic Transmissions<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Trimatic<\/li>\n\n\n\n<li>Borg-Warner automatic<\/li>\n\n\n\n<li>Turbo 700<\/li>\n\n\n\n<li>THM 180<\/li>\n\n\n\n<li>THM 200<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Manual Transmissions<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Opel 4-speed<\/li>\n\n\n\n<li>Holden 4-speed<\/li>\n\n\n\n<li>Borg-Warner 5-speed<\/li>\n\n\n\n<li>Nissan 5-speed (VL)<\/li>\n\n\n\n<li>T5 manual<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Each transmission has specific lubrication requirements.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Signs Your Transmission Fluid Needs Replacing<\/h1>\n\n\n\n<h3 class=\"wp-block-heading\">Automatic Transmission Symptoms<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Delayed engagement<\/li>\n\n\n\n<li>Harsh shifts<\/li>\n\n\n\n<li>Slipping gears<\/li>\n\n\n\n<li>Burnt smell<\/li>\n\n\n\n<li>Dark fluid<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Manual Transmission Symptoms<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Hard shifting<\/li>\n\n\n\n<li>Gear crunching<\/li>\n\n\n\n<li>Increased noise<\/li>\n\n\n\n<li>Rough gear engagement<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Fresh fluid often improves operation dramatically.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Best Automatic Transmission Fluid for Trimatic<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">Recommended Product: Penrite ATF DX-III<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The Trimatic remains one of the most common transmissions found in early Commodores.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Benefits<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Excellent wear protection<\/li>\n\n\n\n<li>Smooth shifting<\/li>\n\n\n\n<li>Suitable for classic Holden applications<\/li>\n\n\n\n<li>Widely available<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Best For<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>VB Commodore<\/li>\n\n\n\n<li>VC Commodore<\/li>\n\n\n\n<li>VH Commodore<\/li>\n\n\n\n<li>VK Commodore<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Why It Works<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The formulation closely matches the requirements of older Holden automatic transmissions.<\/p>\n\n\n<div id=\"fu_ebay_0\"><!-- Presentation: cols = 4, rows = 2, slideshow = Manual, slides = 3, slideId = 0 --><div class=\"fu_ebay_results_container \">\n<h5 class=\"fu_ebay_results_title\" style=\"display: block !important;\">\n<a name=\"fu_slidetop_0\"><\/a><a href=\"https:\/\/www.ebay.com.au\/?mkcid=1&#038;mkrid=705-53470-19255-0&#038;siteid=15&#038;campid=5339152561&#038;customid=5339151688&#038;toolid=10049&#038;mkevt=1\" class=\"fu_ebay\" style=\"display:inline !important;\" rel=\"nofollow\" target=\"_blank\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/australianholden.com\/wp-content\/plugins\/fast-ebay-listings\/US\/Right_Now_108x45.gif?resize=108%2C45&#038;ssl=1\" style=\"border:0;display:block !important;\" width=\"108\" height=\"45\" alt=\"Right Now on eBay\"\/><\/a>&nbsp;Penrite ATF DX-III<\/h5>\nLoading&#8230;<\/div>\n<\/div>\n<script>\n<!--\nvar content_fu_ebay_0 = null;\nvar waitForDepends_fu_ebay_0 = setInterval(function () {\n  if (typeof jQuery !== \"undefined\") {\n  if (window.fu_is_bot_useragent !== undefined) {\n    clearInterval(waitForDepends_fu_ebay_0);\n    if (typeof jQuery.ajax == \"undefined\") {\n      console.log(\"Fast eBay Listings: jQuery.ajax missing. Are you using jQuery.Slim that doesn't include ajax? \");\n      return;\n    }\n    if (fu_is_bot_useragent) return;\n    content_fu_ebay_0 = jQuery(\"#fu_ebay_0\");\n    jQuery(document).ready(jQuery.ajax({\n      type : \"post\",\n      url : \"https:\/\/australianholden.com\/wp-admin\/admin-ajax.php\",\n      data : {\n        action : \"fu_ebay_load_search\",\nfuDisableAPICache : 0,\nfuTraceLogging : 0,\nebay_country : \"AU\",\nfu_ebay_customId : \"\",\nfu_ebay_widget : 0,\nfu_ebay_picwidth : 225,\nfu_ebay_arrangement : 0,\nfu_ebay_title : \"Penrite ATF DX-III\",\nfu_ebay_query : \"Penrite ATF DX-III\",\nfu_ebay_searchInDesc : 0,\nfu_ebay_searchLocation : \"Internationally\",\nfu_ebay_pickupPostcode : \"\",\nfu_ebay_pickupRadius : 0,\nfu_ebay_sort : \"BestMatch\",\nfu_ebay_categoryIds : \"6030\",\nfu_ebay_sellers : \"\",\nfu_ebay_sellerType : \"\",\nfu_ebay_buyingOptions : \"\",\nfu_ebay_conditionOptions : \"\",\nfu_ebay_minPrice : 0,\nfu_ebay_maxPrice : 0,\nfu_ebay_minBids : 0,\nfu_ebay_maxBids : 0,\nfu_cols : 4,\nfu_rows : 2,\nfu_slideshow : \"Manual\",\nfu_slides : 3,\nfu_slideId : 0,\n\n      },\n      success : function( response ) {\n        content_fu_ebay_0.html( response );\n      },\n      error: function(e) {\n        console.log(\"Fast eBay Listings: deferred loading error: \" + e);\n      }\n    }));\n  }}\n}, 10);\n\/\/-->\n<\/script>\n\n\n\n<h1 class=\"wp-block-heading\">Best Premium Fluid for Trimatic Transmissions<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">Recommended Product: Castrol Transmax Dex III Multivehicle<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A premium alternative for owners seeking additional protection.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Benefits<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Excellent thermal stability<\/li>\n\n\n\n<li>Smooth shift quality<\/li>\n\n\n\n<li>Strong anti-wear protection<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Best For<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>High-mileage vehicles<\/li>\n\n\n\n<li>Long-distance touring<\/li>\n\n\n\n<li>Warm climate operation<\/li>\n<\/ul>\n\n\n<div id=\"fu_ebay_1\"><!-- Presentation: cols = 4, rows = 2, slideshow = Manual, slides = 3, slideId = 1 --><div class=\"fu_ebay_results_container \">\n<h5 class=\"fu_ebay_results_title\" style=\"display: block !important;\">\n<a name=\"fu_slidetop_1\"><\/a><a href=\"https:\/\/www.ebay.com.au\/?mkcid=1&#038;mkrid=705-53470-19255-0&#038;siteid=15&#038;campid=5339152561&#038;customid=5339151688&#038;toolid=10049&#038;mkevt=1\" class=\"fu_ebay\" style=\"display:inline !important;\" rel=\"nofollow\" target=\"_blank\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/australianholden.com\/wp-content\/plugins\/fast-ebay-listings\/US\/Right_Now_108x45.gif?resize=108%2C45&#038;ssl=1\" style=\"border:0;display:block !important;\" width=\"108\" height=\"45\" alt=\"Right Now on eBay\"\/><\/a>&nbsp;Castrol Transmax Dex III <\/h5>\nLoading&#8230;<\/div>\n<\/div>\n<script>\n<!--\nvar content_fu_ebay_1 = null;\nvar waitForDepends_fu_ebay_1 = setInterval(function () {\n  if (typeof jQuery !== \"undefined\") {\n  if (window.fu_is_bot_useragent !== undefined) {\n    clearInterval(waitForDepends_fu_ebay_1);\n    if (typeof jQuery.ajax == \"undefined\") {\n      console.log(\"Fast eBay Listings: jQuery.ajax missing. Are you using jQuery.Slim that doesn't include ajax? \");\n      return;\n    }\n    if (fu_is_bot_useragent) return;\n    content_fu_ebay_1 = jQuery(\"#fu_ebay_1\");\n    jQuery(document).ready(jQuery.ajax({\n      type : \"post\",\n      url : \"https:\/\/australianholden.com\/wp-admin\/admin-ajax.php\",\n      data : {\n        action : \"fu_ebay_load_search\",\nfuDisableAPICache : 0,\nfuTraceLogging : 0,\nebay_country : \"AU\",\nfu_ebay_customId : \"\",\nfu_ebay_widget : 0,\nfu_ebay_picwidth : 225,\nfu_ebay_arrangement : 0,\nfu_ebay_title : \"Castrol Transmax Dex III \",\nfu_ebay_query : \"Castrol Transmax Dex III \",\nfu_ebay_searchInDesc : 0,\nfu_ebay_searchLocation : \"Internationally\",\nfu_ebay_pickupPostcode : \"\",\nfu_ebay_pickupRadius : 0,\nfu_ebay_sort : \"BestMatch\",\nfu_ebay_categoryIds : \"6030\",\nfu_ebay_sellers : \"\",\nfu_ebay_sellerType : \"\",\nfu_ebay_buyingOptions : \"\",\nfu_ebay_conditionOptions : \"\",\nfu_ebay_minPrice : 0,\nfu_ebay_maxPrice : 0,\nfu_ebay_minBids : 0,\nfu_ebay_maxBids : 0,\nfu_cols : 4,\nfu_rows : 2,\nfu_slideshow : \"Manual\",\nfu_slides : 3,\nfu_slideId : 1,\n\n      },\n      success : function( response ) {\n        content_fu_ebay_1.html( response );\n      },\n      error: function(e) {\n        console.log(\"Fast eBay Listings: deferred loading error: \" + e);\n      }\n    }));\n  }}\n}, 10);\n\/\/-->\n<\/script>\n\n\n\n<h1 class=\"wp-block-heading\">Best Fluid for Borg-Warner Automatics<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Later Commodores often used Borg-Warner automatic transmissions.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Recommended Product: Penrite ATF FS<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Benefits<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Modern additive package<\/li>\n\n\n\n<li>Excellent protection<\/li>\n\n\n\n<li>Smooth operation<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Best For<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>VL Commodore<\/li>\n\n\n\n<li>VN Commodore<\/li>\n\n\n\n<li>VP Commodore<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Always verify specifications before servicing.<\/p>\n\n\n<div id=\"fu_ebay_2\"><!-- Presentation: cols = 4, rows = 2, slideshow = Manual, slides = 3, slideId = 2 --><div class=\"fu_ebay_results_container \">\n<h5 class=\"fu_ebay_results_title\" style=\"display: block !important;\">\n<a name=\"fu_slidetop_2\"><\/a><a href=\"https:\/\/www.ebay.com.au\/?mkcid=1&#038;mkrid=705-53470-19255-0&#038;siteid=15&#038;campid=5339152561&#038;customid=5339151688&#038;toolid=10049&#038;mkevt=1\" class=\"fu_ebay\" style=\"display:inline !important;\" rel=\"nofollow\" target=\"_blank\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/australianholden.com\/wp-content\/plugins\/fast-ebay-listings\/US\/Right_Now_108x45.gif?resize=108%2C45&#038;ssl=1\" style=\"border:0;display:block !important;\" width=\"108\" height=\"45\" alt=\"Right Now on eBay\"\/><\/a>&nbsp;Penrite ATF FS<\/h5>\nLoading&#8230;<\/div>\n<\/div>\n<script>\n<!--\nvar content_fu_ebay_2 = null;\nvar waitForDepends_fu_ebay_2 = setInterval(function () {\n  if (typeof jQuery !== \"undefined\") {\n  if (window.fu_is_bot_useragent !== undefined) {\n    clearInterval(waitForDepends_fu_ebay_2);\n    if (typeof jQuery.ajax == \"undefined\") {\n      console.log(\"Fast eBay Listings: jQuery.ajax missing. Are you using jQuery.Slim that doesn't include ajax? \");\n      return;\n    }\n    if (fu_is_bot_useragent) return;\n    content_fu_ebay_2 = jQuery(\"#fu_ebay_2\");\n    jQuery(document).ready(jQuery.ajax({\n      type : \"post\",\n      url : \"https:\/\/australianholden.com\/wp-admin\/admin-ajax.php\",\n      data : {\n        action : \"fu_ebay_load_search\",\nfuDisableAPICache : 0,\nfuTraceLogging : 0,\nebay_country : \"AU\",\nfu_ebay_customId : \"\",\nfu_ebay_widget : 0,\nfu_ebay_picwidth : 225,\nfu_ebay_arrangement : 0,\nfu_ebay_title : \"Penrite ATF FS\",\nfu_ebay_query : \"Penrite ATF FS\",\nfu_ebay_searchInDesc : 0,\nfu_ebay_searchLocation : \"Internationally\",\nfu_ebay_pickupPostcode : \"\",\nfu_ebay_pickupRadius : 0,\nfu_ebay_sort : \"BestMatch\",\nfu_ebay_categoryIds : \"6030\",\nfu_ebay_sellers : \"\",\nfu_ebay_sellerType : \"\",\nfu_ebay_buyingOptions : \"\",\nfu_ebay_conditionOptions : \"\",\nfu_ebay_minPrice : 0,\nfu_ebay_maxPrice : 0,\nfu_ebay_minBids : 0,\nfu_ebay_maxBids : 0,\nfu_cols : 4,\nfu_rows : 2,\nfu_slideshow : \"Manual\",\nfu_slides : 3,\nfu_slideId : 2,\n\n      },\n      success : function( response ) {\n        content_fu_ebay_2.html( response );\n      },\n      error: function(e) {\n        console.log(\"Fast eBay Listings: deferred loading error: \" + e);\n      }\n    }));\n  }}\n}, 10);\n\/\/-->\n<\/script>\n\n\n\n<h1 class=\"wp-block-heading\">Best Manual Gearbox Oil for Early Commodores<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Manual gearboxes require entirely different lubrication.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Recommended Product: Penrite Manual Gear Oil 70W-75<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Benefits<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Excellent synchro compatibility<\/li>\n\n\n\n<li>Improved shift feel<\/li>\n\n\n\n<li>Reduced wear<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Best For<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Opel 4-speed<\/li>\n\n\n\n<li>Holden 4-speed<\/li>\n\n\n\n<li>Borg-Warner 5-speed<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Why Owners Recommend It<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Many older gearboxes shift more smoothly with modern synthetic formulations.<\/p>\n\n\n<div id=\"fu_ebay_3\"><!-- Presentation: cols = 4, rows = 2, slideshow = Manual, slides = 3, slideId = 3 --><div class=\"fu_ebay_results_container \">\n<h5 class=\"fu_ebay_results_title\" style=\"display: block !important;\">\n<a name=\"fu_slidetop_3\"><\/a><a href=\"https:\/\/www.ebay.com.au\/?mkcid=1&#038;mkrid=705-53470-19255-0&#038;siteid=15&#038;campid=5339152561&#038;customid=5339151688&#038;toolid=10049&#038;mkevt=1\" class=\"fu_ebay\" style=\"display:inline !important;\" rel=\"nofollow\" target=\"_blank\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/australianholden.com\/wp-content\/plugins\/fast-ebay-listings\/US\/Right_Now_108x45.gif?resize=108%2C45&#038;ssl=1\" style=\"border:0;display:block !important;\" width=\"108\" height=\"45\" alt=\"Right Now on eBay\"\/><\/a>&nbsp;Penrite Manual Gear Oil<\/h5>\nLoading&#8230;<\/div>\n<\/div>\n<script>\n<!--\nvar content_fu_ebay_3 = null;\nvar waitForDepends_fu_ebay_3 = setInterval(function () {\n  if (typeof jQuery !== \"undefined\") {\n  if (window.fu_is_bot_useragent !== undefined) {\n    clearInterval(waitForDepends_fu_ebay_3);\n    if (typeof jQuery.ajax == \"undefined\") {\n      console.log(\"Fast eBay Listings: jQuery.ajax missing. Are you using jQuery.Slim that doesn't include ajax? \");\n      return;\n    }\n    if (fu_is_bot_useragent) return;\n    content_fu_ebay_3 = jQuery(\"#fu_ebay_3\");\n    jQuery(document).ready(jQuery.ajax({\n      type : \"post\",\n      url : \"https:\/\/australianholden.com\/wp-admin\/admin-ajax.php\",\n      data : {\n        action : \"fu_ebay_load_search\",\nfuDisableAPICache : 0,\nfuTraceLogging : 0,\nebay_country : \"AU\",\nfu_ebay_customId : \"\",\nfu_ebay_widget : 0,\nfu_ebay_picwidth : 225,\nfu_ebay_arrangement : 0,\nfu_ebay_title : \"Penrite Manual Gear Oil\",\nfu_ebay_query : \"Penrite Manual Gear Oil\",\nfu_ebay_searchInDesc : 0,\nfu_ebay_searchLocation : \"Internationally\",\nfu_ebay_pickupPostcode : \"\",\nfu_ebay_pickupRadius : 0,\nfu_ebay_sort : \"BestMatch\",\nfu_ebay_categoryIds : \"6030\",\nfu_ebay_sellers : \"\",\nfu_ebay_sellerType : \"\",\nfu_ebay_buyingOptions : \"\",\nfu_ebay_conditionOptions : \"\",\nfu_ebay_minPrice : 0,\nfu_ebay_maxPrice : 0,\nfu_ebay_minBids : 0,\nfu_ebay_maxBids : 0,\nfu_cols : 4,\nfu_rows : 2,\nfu_slideshow : \"Manual\",\nfu_slides : 3,\nfu_slideId : 3,\n\n      },\n      success : function( response ) {\n        content_fu_ebay_3.html( response );\n      },\n      error: function(e) {\n        console.log(\"Fast eBay Listings: deferred loading error: \" + e);\n      }\n    }));\n  }}\n}, 10);\n\/\/-->\n<\/script>\n\n\n\n<h1 class=\"wp-block-heading\">Best Oil for Borg-Warner 5-Speed Gearboxes<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">Recommended Product: Castrol Syntrans Multivehicle<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Benefits<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Excellent cold-shift performance<\/li>\n\n\n\n<li>Reduced gearbox noise<\/li>\n\n\n\n<li>Strong wear protection<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Best For<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>VK Commodore<\/li>\n\n\n\n<li>VL Commodore<\/li>\n\n\n\n<li>Early VN models<\/li>\n<\/ul>\n\n\n<div id=\"fu_ebay_4\"><!-- Presentation: cols = 4, rows = 2, slideshow = Manual, slides = 3, slideId = 4 --><div class=\"fu_ebay_results_container \">\n<h5 class=\"fu_ebay_results_title\" style=\"display: block !important;\">\n<a name=\"fu_slidetop_4\"><\/a><a href=\"https:\/\/www.ebay.com.au\/?mkcid=1&#038;mkrid=705-53470-19255-0&#038;siteid=15&#038;campid=5339152561&#038;customid=5339151688&#038;toolid=10049&#038;mkevt=1\" class=\"fu_ebay\" style=\"display:inline !important;\" rel=\"nofollow\" target=\"_blank\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/australianholden.com\/wp-content\/plugins\/fast-ebay-listings\/US\/Right_Now_108x45.gif?resize=108%2C45&#038;ssl=1\" style=\"border:0;display:block !important;\" width=\"108\" height=\"45\" alt=\"Right Now on eBay\"\/><\/a>&nbsp;Castrol<\/h5>\nLoading&#8230;<\/div>\n<\/div>\n<script>\n<!--\nvar content_fu_ebay_4 = null;\nvar waitForDepends_fu_ebay_4 = setInterval(function () {\n  if (typeof jQuery !== \"undefined\") {\n  if (window.fu_is_bot_useragent !== undefined) {\n    clearInterval(waitForDepends_fu_ebay_4);\n    if (typeof jQuery.ajax == \"undefined\") {\n      console.log(\"Fast eBay Listings: jQuery.ajax missing. 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Are you using jQuery.Slim that doesn't include ajax? \");\n      return;\n    }\n    if (fu_is_bot_useragent) return;\n    content_fu_ebay_5 = jQuery(\"#fu_ebay_5\");\n    jQuery(document).ready(jQuery.ajax({\n      type : \"post\",\n      url : \"https:\/\/australianholden.com\/wp-admin\/admin-ajax.php\",\n      data : {\n        action : \"fu_ebay_load_search\",\nfuDisableAPICache : 0,\nfuTraceLogging : 0,\nebay_country : \"AU\",\nfu_ebay_customId : \"\",\nfu_ebay_widget : 0,\nfu_ebay_picwidth : 225,\nfu_ebay_arrangement : 0,\nfu_ebay_title : \"Penrite Pro Gear 75W-85\",\nfu_ebay_query : \"Penrite Pro Gear 75W-85\",\nfu_ebay_searchInDesc : 0,\nfu_ebay_searchLocation : \"Internationally\",\nfu_ebay_pickupPostcode : \"\",\nfu_ebay_pickupRadius : 0,\nfu_ebay_sort : \"BestMatch\",\nfu_ebay_categoryIds : \"6030\",\nfu_ebay_sellers : \"\",\nfu_ebay_sellerType : \"\",\nfu_ebay_buyingOptions : \"\",\nfu_ebay_conditionOptions : \"\",\nfu_ebay_minPrice : 0,\nfu_ebay_maxPrice : 0,\nfu_ebay_minBids : 0,\nfu_ebay_maxBids : 0,\nfu_cols : 4,\nfu_rows : 2,\nfu_slideshow : \"Manual\",\nfu_slides : 3,\nfu_slideId : 5,\n\n      },\n      success : function( response ) {\n        content_fu_ebay_5.html( response );\n      },\n      error: function(e) {\n        console.log(\"Fast eBay Listings: deferred loading error: \" + e);\n      }\n    }));\n  }}\n}, 10);\n\/\/-->\n<\/script>\n\n\n\n<h1 class=\"wp-block-heading\">Best Transmission Additive<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Transmission additives can sometimes improve operation in ageing gearboxes.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Recommended Product: Lucas Transmission Fix<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Benefits<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Reduces slipping<\/li>\n\n\n\n<li>Improves shift quality<\/li>\n\n\n\n<li>Helps worn transmissions<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Best For<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>High-mileage automatics<\/li>\n\n\n\n<li>Minor transmission issues<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Important Note<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Additives are not a substitute for proper repairs.<\/p>\n\n\n<div id=\"fu_ebay_6\"><!-- Presentation: cols = 4, rows = 2, slideshow = Manual, slides = 3, slideId = 6 --><div class=\"fu_ebay_results_container \">\n<h5 class=\"fu_ebay_results_title\" style=\"display: block !important;\">\n<a name=\"fu_slidetop_6\"><\/a><a href=\"https:\/\/www.ebay.com.au\/?mkcid=1&#038;mkrid=705-53470-19255-0&#038;siteid=15&#038;campid=5339152561&#038;customid=5339151688&#038;toolid=10049&#038;mkevt=1\" class=\"fu_ebay\" style=\"display:inline !important;\" rel=\"nofollow\" target=\"_blank\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/australianholden.com\/wp-content\/plugins\/fast-ebay-listings\/US\/Right_Now_108x45.gif?resize=108%2C45&#038;ssl=1\" style=\"border:0;display:block !important;\" width=\"108\" height=\"45\" alt=\"Right Now on eBay\"\/><\/a>&nbsp;Lucas Transmission Fix<\/h5>\nLoading&#8230;<\/div>\n<\/div>\n<script>\n<!--\nvar content_fu_ebay_6 = null;\nvar waitForDepends_fu_ebay_6 = setInterval(function () {\n  if (typeof jQuery !== \"undefined\") {\n  if (window.fu_is_bot_useragent !== undefined) {\n    clearInterval(waitForDepends_fu_ebay_6);\n    if (typeof jQuery.ajax == \"undefined\") {\n      console.log(\"Fast eBay Listings: jQuery.ajax missing. Are you using jQuery.Slim that doesn't include ajax? \");\n      return;\n    }\n    if (fu_is_bot_useragent) return;\n    content_fu_ebay_6 = jQuery(\"#fu_ebay_6\");\n    jQuery(document).ready(jQuery.ajax({\n      type : \"post\",\n      url : \"https:\/\/australianholden.com\/wp-admin\/admin-ajax.php\",\n      data : {\n        action : \"fu_ebay_load_search\",\nfuDisableAPICache : 0,\nfuTraceLogging : 0,\nebay_country : \"AU\",\nfu_ebay_customId : \"\",\nfu_ebay_widget : 0,\nfu_ebay_picwidth : 225,\nfu_ebay_arrangement : 0,\nfu_ebay_title : \"Lucas Transmission Fix\",\nfu_ebay_query : \"Lucas Transmission Fix\",\nfu_ebay_searchInDesc : 0,\nfu_ebay_searchLocation : \"Internationally\",\nfu_ebay_pickupPostcode : \"\",\nfu_ebay_pickupRadius : 0,\nfu_ebay_sort : \"BestMatch\",\nfu_ebay_categoryIds : \"6030\",\nfu_ebay_sellers : \"\",\nfu_ebay_sellerType : \"\",\nfu_ebay_buyingOptions : \"\",\nfu_ebay_conditionOptions : \"\",\nfu_ebay_minPrice : 0,\nfu_ebay_maxPrice : 0,\nfu_ebay_minBids : 0,\nfu_ebay_maxBids : 0,\nfu_cols : 4,\nfu_rows : 2,\nfu_slideshow : \"Manual\",\nfu_slides : 3,\nfu_slideId : 6,\n\n      },\n      success : function( response ) {\n        content_fu_ebay_6.html( response );\n      },\n      error: function(e) {\n        console.log(\"Fast eBay Listings: deferred loading error: \" + e);\n      }\n    }));\n  }}\n}, 10);\n\/\/-->\n<\/script>\n\n\n\n<h1 class=\"wp-block-heading\">When Should Automatic Transmission Fluid Be Changed?<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Many owners leave transmission fluid unchanged for years.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Recommended Interval<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Every 40,000\u201360,000 km<\/li>\n\n\n\n<li>Every 3\u20135 years for low-use vehicles<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Regular servicing dramatically extends transmission life.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">When Should Manual Gearbox Oil Be Changed?<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Manual gearboxes often receive even less attention.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Recommended Interval<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Every 50,000\u201380,000 km<\/li>\n\n\n\n<li>During major servicing<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Fresh oil improves lubrication and shifting performance.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">How to Check Automatic Transmission Fluid<\/h1>\n\n\n\n<h3 class=\"wp-block-heading\">Correct Procedure<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Warm engine to operating temperature.<\/li>\n\n\n\n<li>Park on level ground.<\/li>\n\n\n\n<li>Leave engine running.<\/li>\n\n\n\n<li>Check dipstick.<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">Healthy Fluid Should Be<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Red or pink<\/li>\n\n\n\n<li>Clean<\/li>\n\n\n\n<li>Free from burnt odours<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Dark brown fluid indicates service is overdue.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Common Fluid Mistakes<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">Using Incorrect ATF<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Not all automatic transmission fluids are compatible.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Mixing Different Fluid Types<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Mixing fluids can reduce performance.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Overfilling<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Excess fluid can cause aeration and shifting problems.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ignoring Fluid Leaks<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Low fluid levels are one of the most common causes of transmission failure.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Transmission Service Items Worth Replacing<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Whenever fluid is changed, consider replacing:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Automatic Transmission<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Filter<\/li>\n\n\n\n<li>Pan gasket<\/li>\n\n\n\n<li>Cooler lines if damaged<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Manual Transmission<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Shifter bushes<\/li>\n\n\n\n<li>Seals if leaking<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Preventative maintenance reduces future problems.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Best Transmission Service Kit<\/h1>\n\n\n\n<h2 class=\"wp-block-heading\">Recommended Product: Trimatic Service Kit<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Includes<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Filter<\/li>\n\n\n\n<li>Pan gasket<\/li>\n\n\n\n<li>Service components<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Best For<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Preventative maintenance<\/li>\n\n\n\n<li>High-mileage vehicles<\/li>\n<\/ul>\n\n\n<div id=\"fu_ebay_7\"><!-- Presentation: cols = 4, rows = 2, slideshow = Manual, slides = 3, slideId = 7 --><div class=\"fu_ebay_results_container \">\n<h5 class=\"fu_ebay_results_title\" style=\"display: block !important;\">\n<a name=\"fu_slidetop_7\"><\/a><a href=\"https:\/\/www.ebay.com.au\/?mkcid=1&#038;mkrid=705-53470-19255-0&#038;siteid=15&#038;campid=5339152561&#038;customid=5339151688&#038;toolid=10049&#038;mkevt=1\" class=\"fu_ebay\" style=\"display:inline !important;\" rel=\"nofollow\" target=\"_blank\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/australianholden.com\/wp-content\/plugins\/fast-ebay-listings\/US\/Right_Now_108x45.gif?resize=108%2C45&#038;ssl=1\" style=\"border:0;display:block !important;\" width=\"108\" height=\"45\" alt=\"Right Now on eBay\"\/><\/a>&nbsp;Trimatic transmission service kit <\/h5>\nLoading&#8230;<\/div>\n<\/div>\n<script>\n<!--\nvar content_fu_ebay_7 = null;\nvar waitForDepends_fu_ebay_7 = setInterval(function () {\n  if (typeof jQuery !== \"undefined\") {\n  if 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Whether you&#8217;re maintaining a VB sedan, a VH SL\/E, a VK V8 or a VL daily driver, proper lubrication helps extend transmission life and improve shift quality.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Many transmission problems commonly blamed on age can actually be traced to neglected maintenance, contaminated fluid or incorrect lubricant selection. Regular servicing with high-quality transmission fluids can significantly reduce wear and help keep your Commodore performing as Holden intended.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Considering the cost of a transmission rebuild, quality fluid is one of the smartest investments any Commodore owner can make.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Related Articles<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>VB, VC and VH Commodore Transmission Problems<\/li>\n\n\n\n<li>Powerglide &amp; Trimatic Issues Explained<\/li>\n\n\n\n<li>Holden 253 &amp; 308 V8 Issues Explained<\/li>\n\n\n\n<li>Holden Blue Motor Issues Explained<\/li>\n\n\n\n<li>Best Coolants for Old Commodore Engines<\/li>\n\n\n\n<li>How to Inspect an Early Commodore Before Buying<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Transmission fluid is one of the most important maintenance items in any classic Commodore, yet it is often overlooked. Whether you own a VB, VC, VH, VK, VL, VN or VP Commodore, the correct transmission fluid helps ensure smooth shifting, reduced wear and long-term reliability. Many surviving Commodores are now more than 30 to 45 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3469,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[1],"tags":[],"class_list":["post-7360","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Best Transmission Fluids for Classic 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