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2002 BUICK Regal
Vehicle Summary
The 2002 Buick Regal is a classic sedan, powered by a 3.8-liter V6 engine manufactured by GMPTG Flint. With a body type as a 4-door notchback, it offers seating for up to four passengers and features front airbags for driver and passenger safety. Built in Oshawa, Ontario, this model embodies the traditional elegance and reliability associated with Buick. The Regal LS trim includes modern conveniences like Sequential Fuel Injection, contributing to its balanced performance.
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2002 BUICK Regal
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Complete Specifications
Known Issues for This Vehicle
Intake manifold gasket failure
The L36 engine, like many GM V6 engines from this era, is prone to intake manifold gasket failures, which can lead to coolant leaks and potential engine overheating.
Coolant leaks
Related to the gasket issue, coolant leaks are common and can cause engine overheating if not addressed.
Oil leaks
With age, these engines can develop oil leaks, often from the valve cover gaskets or oil pan gasket, due to gasket material degradation.
Ignition system issues
The ignition coils and spark plugs may fail over time, leading to misfires and rough running conditions.
Plastic upper intake manifold issues
The plastic upper intake manifold is known to warp or crack, particularly around the EGR passage, leading to vacuum leaks or coolant ingestion.
Timing chain noise
The timing chain and tensioners can wear out over time, leading to a rattling noise, particularly on startup.
Crankshaft position sensor failure
This can cause intermittent stalling or a no-start condition, as the sensor is critical for engine timing.
Fuel injector clogging
Over time, fuel injectors can become clogged, leading to poor performance and reduced fuel economy.
