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Cooling not working, 2003 rendezvous, replaced the coolant…

Customer Question
Cooling not working Mechanic's...

Cooling not working

Mechanic's Assistant: What is the model/year of your Buick?

2003 rendezvous

Mechanic's Assistant: Are you hoping to fix this yourself? What have you tried so far?

Replaced the coolant temperature sensor

Mechanic's Assistant: Have you checked the connectors on the sensor itself? It's important that they not be loose or corroded.

They are good if I unplug the connector for it both fans come on

Submitted: 1 year ago.Category: Buick
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Answered in 2 minutes by:
8/18/2016
Buick Mechanic: Roy Belding, ASE Certified Technician replied 1 year ago
Roy Belding
Roy Belding, ASE Certified Technician
Category: Buick
Satisfied Customers: 7,734
Experience: Master ASE since 1980
Verified

good evening my name is ***** ***** I will assist

what do you mean not working???

is the any codes???

what have you done so far??

Roy

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Customer reply replied 1 year ago
I brought the car asis and the person who I got It from had replace the fans and thermostat. I checked the relays and the fuse they are good I repaced the coolant temperature sensor and if I remove the connector for temp sensor both fans come on
Buick Mechanic: Roy Belding, ASE Certified Technician replied 1 year ago

ok, have you checked the head gaskets??? common problem if the car overheated.

does it overheat

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Customer reply replied 1 year ago
no oil or coolant mix
Buick Mechanic: Roy Belding, ASE Certified Technician replied 1 year ago

thats not a test. you need to have a leak down test done on the cylinders to see if the coolant moves when shop air installed in the cylinders.

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Buick Mechanic: Roy Belding, ASE Certified Technician replied 1 year ago

are you there

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Buick Mechanic: Roy Belding, ASE Certified Technician replied 1 year ago

please dont forget to rate me as it is the only way I get paid for my efforts

Roy

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Customer reply replied 1 year ago
Cars working good now the overheating issue was the previous owner said he installed a new thermostat but he did not I took off the thermostat housing and it was missing I put in a new one and it works fine but for some reason my AC works sometimes sometimes it does not Freon is good level AC clutch will engage after while if you disengage and will not engage again
Buick Mechanic: Roy Belding, ASE Certified Technician replied 1 year ago

ok, that is a new issue separate from your original post.

if you accept my answers from your previous issue then I will continue

Roy

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Buick Mechanic: Roy Belding, ASE Certified Technician replied 1 year ago

are you there

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Buick Mechanic: Roy Belding, ASE Certified Technician replied 1 year ago

please dont forget to rate me as it is the only way I get paid for my efforts

Roy

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