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I cant begin to describe how to replace your heaters core however you can buy a repair manual at most any autoparts store for your 1985 Chevy Cavalier by Haynes or Chiltons that normally explains this procedure. (At Your Own Risk) As for bypassing the heaters core that's simple disconnect the two hoses from the core and install a coupling between the two simply making a loop or take one hose off completely and take the other hose off the heater core and run it to where you took the other hose off the engine either way you will be making a loop from point A to point B of your engine not the heater core. EzForJesus

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โˆ™ 2015-07-14 15:05:58
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Q: How big of a job is it to replace or by-pass the heater core on a 1985 Chevy Cavalier 2.0 liter engine?
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