My hot coolant light comes on & the needle goes to hot & then goes back again constantly. I replaced the radiator, thermostat, and water pump. What else can be the problem?

Asked by NJDASH Dec 13, 2015 at 02:08 PM about the 2005 Buick Rendezvous CX FWD

Question type: Maintenance & Repair

4 Answers

You may have air pockets in your cooling system. Try parking the car facing up hill to help the air pockets work their way out. This link is for Supra's but it applies to most cars --- http://www.supras.com/06/techcenter/display.php?QID=22

4 people found this helpful.
20

My truck doing the same thing goes on hot but its not running hot n my needles roasts to

2 people found this helpful.
150

My 05 Buick Rendezvous is not running hot but is the needle is going to the H what should I do

14 people found this helpful.
150

I have the same truck you have in mind is doing the same thing.

1 people found this helpful.

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