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Replacing thermostat on 2002Buick Rendezvous - Cars & Trucks

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It's under the throttle body. You can remove it with out removing the throttle. I remove the throttle to have easier access.

Posted on Dec 18, 2016


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Posted on Jan 02, 2017


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How to drain the fluid to change the thermostat in my 2002 rendevous

On the back side bottom left of the radiator is a drain plug ! you'll need to crawl underneath to see it . They are usually white in color !

Jan 31, 2015 | 2002 Buick Rendezvous

1 Answer

Where is the location of the thermostat on the buick rendezvous with a 3400 sfi motor


just Under trottle body ..follow upper radiator hose you see the bleeder and the thermostat
hope it help

Oct 18, 2014 | 2003 Buick Rendezvous

1 Answer

Thermostat sticking

no as if its sticking then its worn and needs replacing.

Mar 06, 2014 | 2006 Buick Rendezvous

1 Answer

2005 buick rendezvous thermostat

here is a pic of the thermostat housing in case you dont know what it looks like. its a very easy part to change although sometimes they are hard to get to. just make sure you do not put the thermostat in backwards the coil on the thermostat should go towards the hot side (coolant coming from the engine)


Nov 19, 2011 | 2005 Buick Rendezvous

3 Answers

Recently we flushed the cooling system in my 2005 Buick Rendezvous. A few days later the engine starting running hot and the needle was in the danger zone. We pulled over and checked the radiator. It was...

Sounds like the thermostat needs replacing. Doesn't seem to be opening all the way. You can check it by putting it in a pot of hot water and watch to see if it opens all the way.

Jan 21, 2011 | 2005 Buick Rendezvous

1 Answer

Replacing the thermostat on a 02 buick rondeveux

Please see my tip at and let me know if you have questions.

These are generic instructions. If you get stuck or need specific instructions for your car, please get back to me.

Sep 26, 2010 | 2005 Buick Rendezvous

3 Answers

I have a code P0128, what is my problem is this in the cooling system?

This code is for your Coolant Thermostat - It's detected that the Coolant Temperature is below the Thermostat Regulating Temperature

This code may mean one or more of the following has occurred:
  • Low engine coolant level
  • Leaking or stuck open thermostat
  • Cooling fan running too much
  • Faulty coolant temperature sensor (ECT)
  • Faulty intake air temperature sensor (IAT)
Check the following to see if it resolves your problem:
  • verify coolant strength and level
  • verify cooling fan operation and replace if necessary
  • verify ECT sensor operation and replace if necessary
  • verify IAT sensor operation and replace if necessary
  • if all above checks out, replace the thermostat

Oct 16, 2009 | 2002 Buick Rendezvous

1 Answer

I have no brake pedal after replacing the pads on my 2004 Buick Rendezvous AWD

you may have air in the system. Start by pumping the brakes

Aug 13, 2009 | 2004 Buick Rendezvous

1 Answer

Replacing a thermostat

You're going to lose some coolant, so have a bucket or other container ready. Follow the upper radiator hose to the point where it's connected to the engine. The hose is clamped to a metal housing which is bolted to the engine. Remove the bolts (not the hose) and lift the housing to expose the thermostat (may require a little prying with a screwdriver or similar tool). Note how the old thermostat is fitted (which end is up), lift it out of the engine, and then remove all traces of gasket from the housing and the engine. Install the new thermostat and gasket, replace the bolts, add coolant as necessary, and you're done.

Jun 02, 2009 | 2002 Buick Rendezvous

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