can you tell me the easy way to get the air out of my pressurized heating and cooling system??

John Oganovich

Asked by John Feb 23, 2013 at 10:17 AM about the 1989 Jeep Cherokee

Question type: Maintenance & Repair

i tried everything to get heat i replaced the therm. the hoses the heater control valve rad. had a rad.service done and im still convinced i have air in the system???

2 Answers


run your motor till warm (stationary) with the radiator cap off or expansion tank depends on the age of car wait for the water to expand 3 times which means letting the water raise to the top of the filler cap it may overspill the replace cap this will expel all air locks hope this helps :)


you need to remove upper rad. hose at t-stat housing. fill plastic tank till you see coolant comming up t-stat housing. then put hose back on....should be good to go....

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