THE GOTECH LIBRARY
GM 3.6L problems: choose your starting point
Start with symptoms and codes, follow the Impala case, or check the reluctor-ring exception. Use the printable worksheet to keep your findings together.
Tools for your diagnosis
Record the vehicle, symptoms, test conditions and findings on the one-page worksheet. Use the annotated reference cards to locate cam/crank landmarks and check the source conditions before comparing captures.
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3 resources
GM 3.6L timing chain problems: what to check
Work through GM 3.6L timing-chain symptoms and P0008, P0009, P0016–P0019. Identify the bank and camshaft, then record your checks on the printable diagnostic worksheet.
GM 3.6L misfire with no check-engine light
Follow a 2014 Impala misfire without codes: bank 1 fuel trims, inconclusive compression, firing order, vacuum and cam/crank evidence. See what was established and where the case ended.
GM 3.6L reluctor ring: when the chains aren’t the answer
Investigate unexplained correlation codes after the earlier checks. Review the reluctor-ring photos and GM PIP3423P’s application and prerequisites before selecting a repair.
Ready for a test or repair?
Continue to the scope procedure, three-chain replacement and final timing checks.
GM 3.6L test and repair guides →Did this help you move forward?
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