{"id":7612,"date":"2026-06-08T05:30:11","date_gmt":"2026-06-08T05:30:11","guid":{"rendered":"http:\/\/australianholden.com\/?p=7612"},"modified":"2026-06-20T23:35:53","modified_gmt":"2026-06-20T23:35:53","slug":"ve-commodore-oil-leak-guide","status":"publish","type":"post","link":"https:\/\/australianholden.com\/index.php\/2026\/06\/08\/ve-commodore-oil-leak-guide\/","title":{"rendered":"VE Commodore Oil Leak Guide"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Oil leaks are a common issue in VE Commodores, especially as the vehicles age and accumulate high kilometres. While small oil seepage is often normal in older engines, larger leaks can lead to low oil levels, engine damage, and expensive repairs if left untreated.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The VE Commodore, particularly the Alloytec V6 and early V8 engines, has several known leak points including gaskets, seals, and oil system components.<\/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;Gasket<\/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 : \"Gasket\",\nfu_ebay_query : \"VE Commodore Gasket Kit\",\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\">Why Oil Leaks Happen<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Oil leaks usually occur due to:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Age-related gasket hardening<\/li>\n\n\n\n<li>Heat cycling over time<\/li>\n\n\n\n<li>Engine vibration<\/li>\n\n\n\n<li>Poor maintenance history<\/li>\n\n\n\n<li>Crankcase pressure buildup<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Rubber seals and gaskets naturally degrade over time.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Common Oil Leak Areas in VE Commodores<\/h1>\n\n\n\n<h1 class=\"wp-block-heading\">1. Rocker Cover Gaskets<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">One of the most common leak points.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Symptoms<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Oil smell from engine bay<\/li>\n\n\n\n<li>Oil around top of engine<\/li>\n\n\n\n<li>Smoke from exhaust manifold area<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Causes<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Hardened rubber gaskets<\/li>\n\n\n\n<li>Heat exposure<\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\">2. Timing Cover Seals<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Timing cover leaks can be more serious.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Symptoms<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Oil leaking from front of engine<\/li>\n\n\n\n<li>Oil buildup near crank pulley<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Causes<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Seal deterioration<\/li>\n\n\n\n<li>Oil pressure over time<\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\">3. Rear Main Seal Leak<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">A well-known leak in high-kilometre VE Commodores.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Symptoms<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Oil dripping between engine and transmission<\/li>\n\n\n\n<li>Oil spots under vehicle<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Causes<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Crankshaft seal wear<\/li>\n\n\n\n<li>Engine age and mileage<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">This is often one of the more expensive repairs.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">4. Oil Filter Housing Leaks<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Common in Alloytec engines.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Symptoms<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Oil around oil filter area<\/li>\n\n\n\n<li>Drips on engine block<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Causes<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Seal failure<\/li>\n\n\n\n<li>Improper filter installation<\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\">5. Sump (Oil Pan) Gasket Leaks<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">The oil pan gasket can degrade over time.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Symptoms<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Oil dripping from bottom of engine<\/li>\n\n\n\n<li>Wet oil pan edges<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Causes<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Gasket wear<\/li>\n\n\n\n<li>Loose bolts or seal failure<\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\">6. Valve Cover \/ Breather System Issues<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Crankcase pressure problems can cause leaks.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Symptoms<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Multiple leak points<\/li>\n\n\n\n<li>Oil mist in engine bay<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Causes<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Blocked PCV system<\/li>\n\n\n\n<li>Excess internal pressure<\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\">7. Oil Cooler and Lines (V8 Models)<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Some VE V8 models use oil coolers.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Symptoms<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Oil leaking near radiator area<\/li>\n\n\n\n<li>Pressure line seepage<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Causes<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Hose deterioration<\/li>\n\n\n\n<li>Seal failure<\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\">Diagnosing Oil Leaks<\/h1>\n\n\n\n<h1 class=\"wp-block-heading\">Step 1: Visual Inspection<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Check for:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Fresh oil residue<\/li>\n\n\n\n<li>Wet gaskets<\/li>\n\n\n\n<li>Oil drips under vehicle<\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\">Step 2: Check Oil Level<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Low oil level indicates an active leak.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Step 3: Clean Engine and Recheck<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Cleaning helps identify the exact leak source.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Step 4: Use UV Dye (Optional)<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">UV dye helps trace hard-to-find leaks.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Common Misdiagnoses<\/h1>\n\n\n\n<h1 class=\"wp-block-heading\">Oil Leak vs Oil Consumption<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Burning oil can be mistaken for leaks.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Power Steering Fluid vs Engine Oil<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Fluids can look similar but have different sources.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Residual Oil vs Active Leak<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Old oil residue is often misidentified as an active leak.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Repair Options for Oil Leaks<\/h1>\n\n\n\n<h1 class=\"wp-block-heading\">1. Gasket Replacement<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Most common repair solution.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Includes<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Rocker cover gasket replacement<\/li>\n\n\n\n<li>Sump gasket replacement<\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\">2. Seal Replacement<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Used for crank seals and timing cover leaks.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">3. PCV System Service<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Fixes crankcase pressure issues causing leaks.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">4. Oil Filter Housing Repair<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Simple but important seal replacement.<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Preventing Oil Leaks<\/h1>\n\n\n\n<h1 class=\"wp-block-heading\">Regular Oil Changes<\/h1>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Helps maintain seal condition<\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\">Use Quality Oil<\/h1>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Prevents sludge buildup and seal damage<\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\">Maintain PCV System<\/h1>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Reduces crankcase pressure<\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\">Avoid Overheating<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">Heat accelerates gasket failure<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Warning Signs Requiring Attention<\/h1>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Large oil puddles under vehicle<\/li>\n\n\n\n<li>Burning oil smell<\/li>\n\n\n\n<li>Rapid oil level drop<\/li>\n\n\n\n<li>Smoke from engine bay<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">These indicate active leaks that require repair.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Oil leaks in VE Commodores are very common due to age and heat cycling, with typical leak points including rocker cover gaskets, sump gaskets, rear main seals, and oil filter housings. While many leaks start small, they can worsen over time and lead to serious engine damage if oil levels drop too low.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Early diagnosis and timely gasket or seal replacement are key to preventing more expensive repairs. With proper maintenance, most oil leak issues can be resolved effectively and kept under control.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Related Articles<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/australianholden.com\/index.php\/2026\/06\/16\/early-commodore-starting-problems-guide\/\" type=\"post\" id=\"7370\">VE Commodore Starting Problems Guide<\/a><\/li>\n\n\n\n<li>Best Oils for Alloytec Engines<\/li>\n\n\n\n<li><a href=\"https:\/\/australianholden.com\/index.php\/2026\/06\/18\/ve-commodore-timing-chain-problems\/\" type=\"post\" id=\"7602\">VE Commodore Timing Chain Problems<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/australianholden.com\/index.php\/2026\/06\/08\/ve-commodore-oil-leak-guide\/\" type=\"post\" id=\"7612\">VE Commodore Oil Leak Guide<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/australianholden.com\/index.php\/2026\/06\/19\/common-alloytec-faults-explained\/\" type=\"post\" id=\"7593\">Common Alloytec Faults Explained<\/a><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Oil leaks are a common issue in VE Commodores, especially as the vehicles age and accumulate high kilometres. While small oil seepage is often normal in older engines, larger leaks can lead to low oil levels, engine damage, and expensive repairs if left untreated. The VE Commodore, particularly the Alloytec V6 and early V8 engines, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1344,"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-7612","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>VE Commodore Oil Leak Guide - 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