2002 Buick Rendezvous Running Hot

LLANDREWS

MEMBER
2002 BUICK RENDEZVOUS
140,000 MILES

I had a problem with the engine light coming on and the temperature gauge moving to hot. After making sure that we had antifreeze and water in the areas that require it I had to end up replacing the radiator and the thermostat (replaced twice because the first on I bought was defected) replacing the thermostat and the radiator. The vehicle is still running hot.

3 Replies

JACOBANDNICKOLAS

MECHANIC
109,723 POSTS

Are you sure the engine is overheating and this isn't a false reading from the temp sending unit?

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Friday, August 9th, 2013 AT 2:11 PM

THOMAS WILLIAMS JR

MEMBER
1 POST

Yes it run hot after driving it for a while

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Tuesday, March 28th, 2017 AT 8:33 AM

KEN L

MASTER CERTIFIED MECHANIC
47,536 POSTS

Hello,

This could be from a blown head gasket causing exhaust gases to enter the cooling system. Here is a test to see if this is the problem.

https://www.2carpros.com/articles/head-gasket-blown-test

Please run this test and get back to us so we can continue helping you.

Best, Ken

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Thursday, March 30th, 2017 AT 10:50 AM