Chevy Corsica
Thermostats
Water Pumps

What could be wrong if a 1989 Corsica overheats after two minutes of running but the thermostat and water pump were changed?

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2011-09-13 22:56:15
2011-09-13 22:56:15

As much as I like Corsicas, they do present their problems and the one question I get asked the most is "Why is my Corsica overheating?" In my experiences most people have gone and replaced their rads and thermostats without checking first to see if there is an air-lock in the motor or if you may have a shot head-gasket. The Corsica motor that gave me the most problems was a '91 3.1L V6. There are a couple of ways to try to "Burp" out the air. 1) One is to put the front end of the car up on ramps, turn off the engine before it can warm up, pop the hood and remove the rad cap, then with the cap off start the car and let it run for 5-15 minutes and listen for any "Burping" noises coming from deep within the motor or coming up out of the rad. 2)EXTREME CAUTION! Rad Fluid Can Easily Reach Temperatures in Excess of 200 Degrees!!! (I personally do not recommend trying this unless you are extremely experienced with automobiles) The second is to "Rev-up" or "Goose" the throttle and overheat the engine to get the rad fluid boiling, then with the car running stand in front of it and hold some kind of shield in front of your body as the rad fluid is going to spray out as soon as you start to loosen the rad cap...so be prepared, and remove the rad cap as quick as you can and just let it spray. If you are really lucky this will induce the air that is trapped at the bottom of the motor to release itself. If you still cannot get it to "Burp" then you should take it to a shop or an experienced friend and ask for their help.

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