What would cause a pontiac Grand Prix to use water.

Asked by Dec 29, 2014 at 08:16 PM about the 1998 Pontiac Grand Prix

Question type: Maintenance & Repair

We have a 1998 Pontiac Grand prix with a 3800 engine and it uses water. We changed the water pump and thermostat. Any idea's on what could be the problem?

4 Answers

24,825

If a radiator cap can't hold proper pressure it will allow coolant to overflow at lower temperatures much more than it should when driving at temp. I assume you are not seeing puddles of coolant under the car, since you make no mention of that. Worst case scenario is blown head or intake gaskets leading coolant to leak into pan or go out the exhaust. Any signs of smoke when running, even if faint white smoke? Check your oil for cross contamination as well.

3,945

3.8s and lots of other engines too for that matter are prone to intake and head gasket failure. Unless the coolant loss is extreme you can probably fix it with an application or two or Barrs Leak. Its way cheaper than tearing into your engine and, unless this car is something special will probably carry you through for the balance of its life.

1 of 1 people found this helpful.

In my 2004, the serpentine belt tensioner pulley assembly has two plastic pipes that occasionally crack and leak antifreeze, the parts are cheep and the repair takes about an hour.

70

migration_rorgan: Why not get the Aluminum ones instead of the plastic ones. Auto Zone carries them Part Number: 47065HP Warranty: Limited Lifetime Aluminum elbow with o-ring seal. Includes upper and lower elbow.

Your Answer

Add photo

Related Questions

Grand Prix

Looking for a Used Grand Prix in your area?

CarGurus has 2,863 nationwide Grand Prix listings starting at $1,600.

ZIP:

Search Pontiac Grand Prix Questions

Pontiac Grand Prix Experts

#1 Js08016
Js08016
Reputation 4,270
#2 Tom Demyan
Tom Demyan
Reputation 2,870
#3 munron
munron
Reputation 2,210
View All

Related Models For Sale

Used Pontiac Bonneville
4 Great Deals out of 511 listings starting at $1,799
Used Pontiac Grand Am
1,183 listings starting at $1,599
Used Chevrolet Monte Carlo
20 Great Deals out of 1,419 listings starting at $1,995
Used Ford Mustang
543 Great Deals out of 45,845 listings starting at $1,999
Used Chevrolet Malibu
1,062 Great Deals out of 77,909 listings starting at $1,500
Used Chevrolet Camaro
242 Great Deals out of 31,193 listings starting at $369
Used Honda Accord
946 Great Deals out of 77,735 listings starting at $899
Used Nissan Maxima
323 Great Deals out of 24,380 listings starting at $999
Used Pontiac Firebird
4 Great Deals out of 768 listings starting at $1,791
Used Nissan Altima
1,156 Great Deals out of 79,666 listings starting at $500

Used Cars For Sale

2008 Pontiac Grand Prix For Sale
18 Great Deals out of 431 listings starting at $1,995
2007 Pontiac Grand Prix For Sale
3 Great Deals out of 397 listings starting at $4,299
2006 Pontiac Grand Prix For Sale
6 Great Deals out of 462 listings starting at $1,600
2005 Pontiac Grand Prix For Sale
330 listings starting at $1,800

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.