i have a 2002 buick that is over heatingso i flushed radiator changed thermostat so it work for 24 hours but i keep getting air in my coolant system its been pressure tested no sign of blown gaskets

10

Asked by Tim Nov 15, 2014 at 10:49 AM about the 2002 Buick Rendezvous CX FWD

Question type: Maintenance & Repair

did not have any troubles with air lock in coolant system before
thermostat was changed

6 Answers

Grandis_6241 answered 10 years ago

Just run it with the Cap loose So it will burp all the air out of your coolant system

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Tim answered 10 years ago

i have tried it seems to suck the air right back in

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mikeatpriestlake answered 10 years ago

The proper test is a combustion leak test. the kit is about 40 bucks. Also, many mechanics have a sniffer for your exhaust that will tell the tale

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Tim answered 10 years ago

the combustion test kit is that something i can get a autozone

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mikeatpriestlake answered 10 years ago

they should have it, i know napa does. you will need some kind of vac pump to suck air through the blue fluid. some kits come with something for that. you will see what i mean when you look at the kit. Scottykilmer.com has a great vid on how to perform this test check it out.

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