{"id":2310,"date":"2026-03-16T07:14:32","date_gmt":"2026-03-16T07:14:32","guid":{"rendered":"http:\/\/australianholden.com\/?p=2310"},"modified":"2026-05-08T10:08:11","modified_gmt":"2026-05-08T10:08:11","slug":"commodore-problems-that-do-not-show-up-on-the-test-drive","status":"publish","type":"post","link":"https:\/\/australianholden.com\/index.php\/2026\/03\/16\/commodore-problems-that-do-not-show-up-on-the-test-drive\/","title":{"rendered":"Commodore Problems That Do Not Show Up on the Test Drive"},"content":{"rendered":"\n<p>Test driving a Holden Commodore is often deceptively reassuring. The engine starts, the gearbox shifts, and everything feels \u201cgood enough.\u201d<\/p>\n\n\n\n<p>These issues hide quietly beneath the surface, only revealing themselves weeks\u2014or months\u2014after the keys change hands. Here are the lesser-known, harder-to-diagnose warnings that many buyers miss when inspecting an older Commodore.<\/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;Radiator<\/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 : \"Radiator\",\nfu_ebay_query : \"Holden Radiator\",\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<p><a href=\"https:\/\/australianholden.com\/index.php\/australian-holden\/commodores\/vp-commodore\/vp-commodore-specifications\/\" type=\"page\" id=\"212\">VP Commodore Specifications<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>1. Timing Chain Wear That Hasn\u2019t Triggered a Fault Yet<\/strong><\/h2>\n\n\n\n<p>One of the most expensive hidden problems in Alloytec V6 Commodores is timing chain stretch that hasn\u2019t yet set off a warning light.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Why It Gets Missed<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The engine still runs smoothly<\/li>\n\n\n\n<li>No check engine light during the drive<\/li>\n\n\n\n<li>Cold start rattle may not appear when warm<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-amazon wp-block-embed-amazon\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"New Water Pump &amp; Gasket for Holden Commodore V6 3.8L VG VN VP VR VS VT VU VX VY 3.8L VH L67 LG2 LN3 Statesman Caprice Calais Berlina Crewman 1988 to 2004\" type=\"text\/html\" width=\"580\" height=\"550\" frameborder=\"0\" allowfullscreen allow=\"clipboard-write\" style=\"max-width:100%\" src=\"https:\/\/read.amazon.com.au\/kp\/card?asin=B0B1TZBNLL\"><\/iframe>\n<\/div><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Hidden Clues<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Slightly lazy throttle response<\/li>\n\n\n\n<li>Fuel economy worse than expected<\/li>\n\n\n\n<li>Service history showing long oil intervals<\/li>\n<\/ul>\n\n\n\n<p>By the time a fault code appears, the repair is already expensive.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>2. Transmission Wear That Only Shows Under Load<\/strong><\/h2>\n\n\n\n<p>Automatic Commodore transmissions often behave perfectly during short, gentle test drives.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Why It Gets Missed<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Issues appear only when hot<\/li>\n\n\n\n<li>Problems show during towing or highway driving<\/li>\n\n\n\n<li>Short test drives don\u2019t stress the gearbox<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Early Warning Signs<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Slight hesitation between gears<\/li>\n\n\n\n<li>Soft or delayed engagement when shifting into drive<\/li>\n\n\n\n<li>Dark or burnt-smelling transmission fluid<\/li>\n<\/ul>\n\n\n\n<p>These issues can lead to rebuilds costing $2 000\u2013$3 500.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>3. Suspension Bush Wear That Feels \u201cNormal\u201d<\/strong><\/h2>\n\n\n\n<p>Worn suspension is one of the most misunderstood Commodore problems.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Why It Gets Missed<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Gradual wear means the driver adapts<\/li>\n\n\n\n<li>Car still tracks straight<\/li>\n\n\n\n<li>No obvious noises on smooth roads<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Subtle Indicators<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Inside edge tyre wear<\/li>\n\n\n\n<li>Slight vibration at highway speeds<\/li>\n\n\n\n<li>Vague steering feel<\/li>\n<\/ul>\n\n\n\n<p>Suspension repairs are often inevitable after 200 000km, regardless of how the car feels on the day.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>4. Cooling System Weaknesses<\/strong><\/h2>\n\n\n\n<p>Cooling systems rarely fail during test drives\u2014but that doesn\u2019t mean they\u2019re healthy.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>What Gets Overlooked<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Aging radiators and plastic fittings<\/li>\n\n\n\n<li>Water pumps near the end of life<\/li>\n\n\n\n<li>Old hoses that harden with heat<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Hidden Clues<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Coolant stains around hose joins<\/li>\n\n\n\n<li>Sweet smell after driving<\/li>\n\n\n\n<li>Slight temperature fluctuation in traffic<\/li>\n<\/ul>\n\n\n\n<p>Cooling failures can cause engine damage if they occur after purchase.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>5. Electrical Faults That Haven\u2019t Been Triggered<\/strong><\/h2>\n\n\n\n<p>Electrical issues are often intermittent and easy to miss.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Common Examples<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Power windows that fail randomly<\/li>\n\n\n\n<li>Central locking actuators on their way out<\/li>\n\n\n\n<li>Stereo systems that cut out over bumps<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Why They Hide<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Faults appear only in certain conditions<\/li>\n\n\n\n<li>Seller may reset systems before sale<\/li>\n\n\n\n<li>Problems worsen with time, not instantly<\/li>\n<\/ul>\n\n\n\n<p>Interior electrical repairs add up fast, especially across multiple doors.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>6. Differential and Driveline Wear<\/strong><\/h2>\n\n\n\n<p>Differentials often sound fine at low speeds.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Why Test Drives Don\u2019t Reveal It<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Whine appears at specific speeds<\/li>\n\n\n\n<li>Noise masked by road or tyre sound<\/li>\n\n\n\n<li>Short drives don\u2019t heat the diff oil<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Early Indicators<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Clunk when shifting from park to drive<\/li>\n\n\n\n<li>Slight vibration under acceleration<\/li>\n\n\n\n<li>Oil residue around the diff housing<\/li>\n<\/ul>\n\n\n\n<p>Diff repairs can quickly climb past $1 500.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>7. Oil Leaks That Only Appear After Extended Driving<\/strong><\/h2>\n\n\n\n<p>Some leaks only show once the engine reaches full temperature.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Common Leak Points<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Rocker covers<\/li>\n\n\n\n<li>Rear main seal<\/li>\n\n\n\n<li>Power steering systems<\/li>\n<\/ul>\n\n\n\n<p>During a short test drive, these leaks may remain invisible.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Why Test Drives Aren\u2019t Enough for Older Commodores<\/strong><\/h2>\n\n\n\n<p>Test drives are useful\u2014but they\u2019re not diagnostic tools.<\/p>\n\n\n\n<p>Older Commodores require:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Cold start checks<\/li>\n\n\n\n<li>Full mechanical inspections<\/li>\n\n\n\n<li>Scan tool diagnostics<\/li>\n\n\n\n<li>Service history review<\/li>\n<\/ul>\n\n\n\n<p>Skipping these steps is where buyers get caught.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>How to Protect Yourself as a Buyer<\/strong><\/h2>\n\n\n\n<p>Before buying:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Request a cold start<\/li>\n\n\n\n<li>Scan for fault codes<\/li>\n\n\n\n<li>Inspect tyres for uneven wear<\/li>\n\n\n\n<li>Review service intervals<\/li>\n\n\n\n<li>Budget for post-purchase repairs<\/li>\n<\/ul>\n\n\n\n<p>A pre-purchase inspection often costs less than a single repair.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Final Thoughts<\/strong><\/h2>\n\n\n\n<p>Some of the most expensive Commodore problems don\u2019t show up on the test drive. Timing chains, transmissions, suspension, cooling systems, and electrics often fail quietly\u2014long after the car felt \u201cfine.\u201d<\/p>\n\n\n\n<p>If you\u2019re buying an older Commodore, don\u2019t rely on how it drives for 10 minutes. Look deeper. Because in the used car world, what you <em>don\u2019t<\/em> feel is often what costs the most.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Test driving a Holden Commodore is often deceptively reassuring. The engine starts, the gearbox shifts, and everything feels \u201cgood enough.\u201d These issues hide quietly beneath the surface, only revealing themselves weeks\u2014or months\u2014after the keys change hands. Here are the lesser-known, harder-to-diagnose warnings that many buyers miss when inspecting an older Commodore. VP Commodore Specifications 1. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2310","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Commodore Problems That Do Not Show Up on the Test Drive - Australian Holden<\/title>\n<meta name=\"description\" content=\"If you\u2019re buying an older Commodore, don\u2019t rely on how it drives for 10 minutes. Look deeper. 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