2002 BUICK Regal L67/L36 (GMX40)
GMX40 / Sedan and Wagon / North America primarily, with variants in China and some other markets
L67L36Fiche exacte année/versionGold
Engine identity
Oils and fluids
Service and parts data
Common and chronic problems
- Supercharger belt wear on L67 models
- Intake manifold gasket leaks
- Head gasket and overheating issues if coolant neglected
First checks
- Inspect supercharger belt tension and condition (L67)
- Check for coolant leaks and thermostat operation
- Examine ignition system components for wear
Avant de remplacer des pièces
- Save fault codes and freeze-frame data before clearing anything.
- Check engine oil, coolant and transmission fluid using the correct temperature and service procedure.
- Verify power, ground, connectors, hoses, leaks and live data before replacing expensive parts.
Important notes
- The 2002 Buick Regal was primarily sold in North America, with a Chinese-market variant using different engines not covered here.
- No manual transmission was available in 2002 for this generation Regal; only 4-speed automatics.