A coolant leak may develop from the water pump. The engine may overheat as a result of the coolant loss. A leaking water pump should be replaced.
Average mileage: 135,428 (102,000–167,000)
Engine affected: 3.4L V6
23 people reported this problem
Viewing 1 - 6 of 6 comments
Had it hauled to a local mechanic who informed me of the problem, said he'd seen it before in Chevy Ventures, and fixed it.
Water pump started leaking. Replaced it myself for about $30 plus new coolant - easy to get to since the engine is mounted transversely. Has been working fine since.
Motor overheat due to water pump defect
Head gaskets have failed for the 2nd time
leaky water pump. blew a hose. had the two problems fixed, now a blown head gasket