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

F_O_R answered 8 years ago

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

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Vickie answered 5 years ago

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

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GuruHHZNR answered 4 years ago

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

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GuruHHZNR answered 4 years ago

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

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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? 4 Answers

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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?

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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?

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