Why is my 2007 pontiac grand prix temperature going up

Asked by PlumPrix Dec 06, 2017 at 10:20 PM about the 2007 Pontiac Grand Prix

Question type: Maintenance & Repair

I just changed my engine and now the
temperature of my car keeps going up and
back down when the heaters on high...what
could be the problem?

2 Answers

F_O_R answered 6 years ago

Check the coolant level and purge air out of the system. You may also need a new thermostat.

1 people found this helpful.
Mark helpful

Shaun answered 4 years ago

either your heater core is sludged and clogged causing a leak, or its bursted, if you have floor mats in the passenger seat move it to examine the area for water being dumped from the core underneath the passenger side dash

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Your Answer:

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