Car Questions
RepairPal is your advocate for car care advice and guidance

Replaced waterpump and thermostat

(1999 Pontiac Grand Am)
in Bismarck, ND on May 14, 2011
car overheats while driving but not while idling
Displaying 1 answer & 0 comments
Popular Answer
on May 14, 2011
Have you purged the air pockets out of your cooling system following the water pump and thermostat being replaced? Air pockets can boil over the coolant just like an overheating situation.

Other than that check for positive air flow through the front - radiator and consdenser free of debris.
Sign in to reply
Get a repair estimate
RepairPal estimates are guaranteed at over 2,000 quality certified locations nationwide.
Or interested in getting a repair? Find a Shop

Similar Questions

View answers to similar questions from RepairPal's community of auto experts and enthusiasts.
Overheating after waterpump, thermostat replaced, radiator and engine flushed. no water flow from radiator to engine ...
Changed water pump out about 3 months ago. first one leaked ,so returned and replaced. no problem until i changed the...
Didn't find what you were looking for?