Buick rendezvous over heating

Asked by Amydmoon85 Dec 20, 2018 at 10:42 AM about the 2003 Buick Rendezvous

Question type: Maintenance & Repair

So my Buick was over heating so we replaced the
thermostat. Did not work. There is no leaks, no
white smoke from back. It over heats 2 min into
driving and when you pop the hood you can see
the antifreeze boiling? Do you think it’s a clog?
How do I fix a clog in the winter? Can I run a drain
snake through it? How and where ?!

2 Answers
10

Sonia answered 4 years ago

Hello . Ive had same problems since i got it. Replaced almost whole engine. My mechanic unplugged the mass sensor drove it and no heating problems and i can use AC. Good luck.

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