{"id":7632,"date":"2026-07-04T22:46:21","date_gmt":"2026-07-04T22:46:21","guid":{"rendered":"http:\/\/australianholden.com\/?p=7632"},"modified":"2026-07-04T22:46:25","modified_gmt":"2026-07-04T22:46:25","slug":"best-coolants-for-ve-vf-commodores","status":"publish","type":"post","link":"https:\/\/australianholden.com\/index.php\/2026\/07\/04\/best-coolants-for-ve-vf-commodores\/","title":{"rendered":"Best Coolants for VE, VF Commodores"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Choosing the correct coolant for a VE or VF Commodore is essential for preventing overheating, corrosion, water pump wear, and costly engine repairs. Modern Holden engines, including Alloytec V6, LFX V6, and LS-series V8 engines, rely on long-life coolant formulations to protect aluminium components and maintain stable operating temperatures.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Using the wrong coolant or mixing incompatible types can cause sludge buildup, cooling system damage, and reduced cooling performance.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This guide explains the best coolants for VE and VF Commodores, recommended specifications, and maintenance tips.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Why Coolant Is Important<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Coolant does much more than prevent overheating.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Key Functions<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Transfers heat away from the engine<\/li>\n\n\n\n<li>Prevents corrosion inside the cooling system<\/li>\n\n\n\n<li>Lubricates the water pump<\/li>\n\n\n\n<li>Protects against freezing and boiling<\/li>\n\n\n\n<li>Prevents scale and deposit buildup<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">A properly maintained cooling system can significantly extend engine life.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Cooling Systems Used in VE &amp; VF Commodores<\/h1>\n\n\n\n<h3 class=\"wp-block-heading\">Common Engines<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>3.6L Alloytec V6<\/li>\n\n\n\n<li>3.0L SIDI V6<\/li>\n\n\n\n<li>3.6L LFX V6<\/li>\n\n\n\n<li>LS2 V8<\/li>\n\n\n\n<li>L76 V8<\/li>\n\n\n\n<li>L77 V8<\/li>\n\n\n\n<li>LS3 V8<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">All of these engines use aluminium components that require corrosion-resistant coolant.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Best Coolants for VE &amp; VF Commodores<\/h1>\n\n\n\n<h1 class=\"wp-block-heading\">1. Genuine GM \/ Holden Long Life Coolant (Best OEM Choice)<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">The factory coolant specification remains one of the safest options.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Benefits<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Designed for Holden cooling systems<\/li>\n\n\n\n<li>Excellent corrosion protection<\/li>\n\n\n\n<li>Compatible with aluminium engines<\/li>\n\n\n\n<li>Long service life<\/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>Factory maintenance<\/li>\n\n\n\n<li>Daily-driven vehicles<\/li>\n\n\n\n<li>Long-term reliability<\/li>\n<\/ul>\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;Genuine GM \/ Holden Long Life Coolant<\/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 : \"Genuine GM \\\/ Holden Long Life Coolant\",\nfu_ebay_query : \"Genuine GM \\\/ Holden Long Life Coolant\",\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\">2. Penrite OEM Coolant Premix (Best Australian Option)<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Penrite offers coolants that meet OEM specifications.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Benefits<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Australian climate suitability<\/li>\n\n\n\n<li>Long-life protection<\/li>\n\n\n\n<li>Excellent anti-corrosion package<\/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>Daily drivers<\/li>\n\n\n\n<li>High-kilometre vehicles<\/li>\n\n\n\n<li>Regular servicing<\/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;Penrite OEM Coolant Premix <\/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 : \"Penrite OEM Coolant Premix \",\nfu_ebay_query : \"Penrite OEM Coolant Premix \",\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\">3. Nulon Long Life Coolant<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">A popular aftermarket coolant.<\/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>Corrosion protection<\/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>General maintenance<\/li>\n\n\n\n<li>Replacement coolant services<\/li>\n<\/ul>\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;Nulon Long Life Coolant<\/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 : \"Nulon Long Life Coolant\",\nfu_ebay_query : \"Nulon Long Life Coolant\",\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\">4. Castrol Radicool Long Life<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">A high-quality long-life coolant.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Benefits<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Suitable for aluminium engines<\/li>\n\n\n\n<li>Long service intervals<\/li>\n\n\n\n<li>Good protection against deposits<\/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>Performance vehicles<\/li>\n\n\n\n<li>Long-distance touring<\/li>\n<\/ul>\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;Castrol Radicool Long Life<\/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 : \"Castrol Radicool Long Life\",\nfu_ebay_query : \"Castrol Coolant\",\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\">5. Valvoline Zerex G05 or Equivalent<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Premium long-life coolant option.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Benefits<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Excellent corrosion protection<\/li>\n\n\n\n<li>Suitable for mixed-metal cooling systems<\/li>\n\n\n\n<li>Long service life<\/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-performance applications<\/li>\n\n\n\n<li>Long-term ownership<\/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;Valvoline Zerex G05<\/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. Are you using jQuery.Slim that doesn't include ajax? \");\n      return;\n    }\n    if (fu_is_bot_useragent) return;\n    content_fu_ebay_4 = jQuery(\"#fu_ebay_4\");\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 : \"Valvoline Zerex G05\",\nfu_ebay_query : \"Valvoline Zerex G05\",\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 : 4,\n\n      },\n      success : function( response ) {\n        content_fu_ebay_4.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\">Coolant Types Explained<\/h1>\n\n\n\n<h1 class=\"wp-block-heading\">Organic Acid Technology (OAT)<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Most VE and VF Commodores use OAT-style coolant.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Benefits<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Longer service intervals<\/li>\n\n\n\n<li>Excellent aluminium protection<\/li>\n\n\n\n<li>Reduced scaling<\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\">Premix vs Concentrate<\/h1>\n\n\n\n<h1 class=\"wp-block-heading\">Premixed Coolant<\/h1>\n\n\n\n<h3 class=\"wp-block-heading\">Advantages<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ready to use<\/li>\n\n\n\n<li>Correct water ratio<\/li>\n\n\n\n<li>Convenient<\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\">Concentrated Coolant<\/h1>\n\n\n\n<h3 class=\"wp-block-heading\">Advantages<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>More economical<\/li>\n\n\n\n<li>Adjustable mixture ratio<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Important<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Always mix with demineralised water.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Recommended Coolant Change Intervals<\/h1>\n\n\n\n<h3 class=\"wp-block-heading\">Standard Maintenance<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Every 5 years or approximately 240,000 km (depending on coolant specification)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Severe Conditions<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Inspect more frequently<\/li>\n\n\n\n<li>Replace earlier if contamination occurs<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Always follow coolant manufacturer recommendations.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Signs Coolant Needs Replacing<\/h1>\n\n\n\n<h3 class=\"wp-block-heading\">Common Symptoms<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Discoloured coolant<\/li>\n\n\n\n<li>Rust contamination<\/li>\n\n\n\n<li>Cooling system deposits<\/li>\n\n\n\n<li>Rising engine temperatures<\/li>\n\n\n\n<li>Poor heater performance<\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\">Common Cooling System Problems Caused by Old Coolant<\/h1>\n\n\n\n<h1 class=\"wp-block-heading\">1. Corrosion<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Old coolant loses anti-corrosion properties.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Results<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Radiator damage<\/li>\n\n\n\n<li>Heater core blockage<\/li>\n\n\n\n<li>Water pump wear<\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\">2. Sludge Formation<\/h1>\n\n\n\n<h3 class=\"wp-block-heading\">Results<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Restricted coolant flow<\/li>\n\n\n\n<li>Overheating<\/li>\n\n\n\n<li>Thermostat issues<\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\">3. Water Pump Damage<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Coolant lubricates the pump seal and bearings.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">4. Overheating<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Reduced cooling efficiency increases engine temperatures.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Common Coolant Mistakes<\/h1>\n\n\n\n<h1 class=\"wp-block-heading\">Mixing Different Coolant Types<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Can cause:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Chemical reactions<\/li>\n\n\n\n<li>Sludge buildup<\/li>\n\n\n\n<li>Reduced protection<\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\">Using Tap Water<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Tap water may introduce minerals and deposits.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Use<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Demineralised water only<\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\">Running Straight Water<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Provides almost no corrosion protection.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Ignoring Coolant Leaks<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Low coolant levels lead to overheating.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Cooling System Components to Inspect<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Whenever replacing coolant, inspect:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Radiator<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Cracks<\/li>\n\n\n\n<li>Blockages<\/li>\n\n\n\n<li>Leaks<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Thermostat<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Correct operation<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Water Pump<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Noise<\/li>\n\n\n\n<li>Leaks<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Hoses<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Cracks<\/li>\n\n\n\n<li>Swelling<\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\">Best Coolant Choices Summary<\/h1>\n\n\n\n<h1 class=\"wp-block-heading\">Best OEM Choice<\/h1>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Genuine Holden \/ GM Long Life Coolant<\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\">Best Australian Option<\/h1>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Penrite OEM Coolant<\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\">Best Aftermarket Option<\/h1>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Nulon Long Life Coolant<\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\">Best Premium Option<\/h1>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Castrol Radicool Long Life<\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\">Final Thoughts<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">The best coolants for VE and VF Commodores are long-life OAT formulations designed for modern aluminium engines. Genuine Holden coolant remains an excellent choice, while Penrite, Nulon, Castrol, and Valvoline all offer high-quality alternatives.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Regular coolant maintenance is one of the simplest ways to prevent overheating, water pump failure, radiator corrosion, and costly engine repairs. Using the correct coolant and replacing it at the recommended intervals will help ensure long-term reliability from your VE or VF Commodore.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Related Articles<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>VE Commodore Overheating Problems<\/li>\n\n\n\n<li>VE Commodore Radiator Replacement<\/li>\n\n\n\n<li>VE Commodore Thermostat Replacement Guide<\/li>\n\n\n\n<li>Holden Cooling System Maintenance Guide<\/li>\n\n\n\n<li>Best Coolants for Alloytec Engines<\/li>\n\n\n\n<li>Common Engine Overheating Causes Explained<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Choosing the correct coolant for a VE or VF Commodore is essential for preventing overheating, corrosion, water pump wear, and costly engine repairs. Modern Holden engines, including Alloytec V6, LFX V6, and LS-series V8 engines, rely on long-life coolant formulations to protect aluminium components and maintain stable operating temperatures. Using the wrong coolant or mixing [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3455,"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-7632","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 Coolants for VE, VF Commodores - Australian 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