2008–2012 Buick Enclave: Check engine light with P0008 or P0017 (3.6L timing chain)
Likely causes, ranked
- Stretched timing chainsShop
- Low or old oilDIY
Real-owner fix counts will appear here as reports come in.
Rough cost: $1,600–$4,200DIY or shop: See DIY or shop section
Parts to check
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Symptom: A check-engine light with P0008 or P0017, rough idle, rattle or low power.
Likely causes
- Stretched chains. Enclave Forum owners report chain replacements, mostly on 2008–2010 models, with quotes from about $1,600 up to $4,200.
- Oil. Owners and GM both tie it to low or old oil.
Rough cost range
| Repair | Reported |
|---|---|
| Timing chain replacement (Enclave Forum owner reports) | About $1,600–$4,200 |
DIY or shop?
Shop.
Useful steps
- Read codes.
- Keep oil full and changed about every 5,000 miles.
- Confirm stretch with a scan tool.
Vehicle focus: 2008–2012 Buick Enclave.
Safety / mechanic note
A jumped chain can wreck the engine. Verify with a mechanic or dealer.
Related trouble codes
Recalls & service bulletins
Technical service bulletins
- 11340C Special coverage for 10 years/120,000 miles on timing chain wear for the 2009 Enclave (and other GM 3.6L models). Details
NHTSA complaints: 86 keyword-matched complaints for Buick ENCLAVE 2008–2012 (of 1,374 unique complaints queried, NHTSA complaints API by model year, queried 2026-10-15).
Always check your VIN for open recalls at nhtsa.gov/recalls.
Sources
What actually fixed it?
Had this problem? Tell other owners what the real fix was. Reports are counted above; we never show made-up numbers.