My 1998 Pontiac Grand Prix uses water, We have changed the thermostat and the water pump and it still uses water. We cannot see any sign of water on the motor or in the oil. What could be the problem?

Asked by Dec 29, 2014 at 08:16 PM

Question type: Maintenance & Repair

My 1998 Pontiac Grand Prix,  3800 engine uses water. We have changed the thermostat and the water pump. there is no evidence of water on the motor or in the oil. What could be causing this?

1 Answer

68,435

These engines are notorious for upper and lower intake manifold gasket failure. HTH. -Jim

1 of 1 people found this helpful.

Your Answer

Add photo

Related Questions

Shortcuts

Search Maintenance & Repair Questions

Maintenance & Repair Experts

#1 Tom Demyan
Tom Demyan
Reputation 174,350
#2 dandyoun
dandyoun
Reputation 93,400
#3 tennisshoes
tennisshoes
Reputation 75,790
View All

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.