Is there a common overheating problem with the 1981 Toyota Corolla?

Asked by Doug Aug 11, 2016 at 02:04 PM about the 1981 Toyota Corolla DX Wagon

Question type: Maintenance & Repair

Car has been overheating for many months. Sometimes overheating takes a half hour to develop. Have changed thermostat and water pump.

3 Answers
7,735

Stanford answered 8 years ago

HAVE YOU CHECKED THE HEATER CORE FOR A CLOG. MAY BE RESTRICTING PROPER FLOW IN THE SYSTEM.

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3,025

Chris answered 8 years ago

Remember the basics. Proper mix of antifreeze and distilled water please, Make sure that the cap is good as well, have it tested if it is the pressure type. Make sure that the belt driving the water pump and radiator fan (if applicable) is the proper tension. Make sure that thermostat is a genuine toyota part of the correct heat range. If you notice white buildup (calcium deposits caused by using non distilled tap water) then you can take radiator to shop and they can clean it, or you can find a pretty decent one brand new on line. Hope this helps.

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65,400

firebird338 answered 8 years ago

May also want to do a cooling system flush the cooling ports on the engine maybe getting clogged. Prestone Super Flush is really good.

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