Chevrolet
Lumina
1

Engine Overheating Due to Broken Thermostat Housing on Chevrolet Lumina

Problem Description and Possible Solution

On vehicles with a 3.1L engine, the front motor mount may break, causing the engine to jump while shifting gears or accelerating; this can break the water neck (thermostat housing) resulting in coolant loss and engine overheating.

Problem Data
RepairPal Verified
Average mileage: (–)
Engine affected: 3.1L V6
1 model year affected: 1999
1 person reported this problem