Question about 1990 Toyota Corolla

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Overheating on acceleration up hills

08 Toyota Corolla Overheating when climbing hills. We replaced water pump, thermostat, and radiator and cap. The fan does come on like it is supposed to.

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1 Answer

Check the timing belt or what ever you have on that engine
Also have the coolant tested for exhaust gases,you may have
a head gasket issue
1990 or 2008 ? big different there as to wether you make
a major repair if nec

Posted on Jul 26, 2013

  • 1 more comment 
  • Dan P Jul 26, 2013

    It is a 2008. Got in the wrong heading

  • Anonymous Jul 26, 2013

    How about the new water pump went on & the timing belt was not installed correctly or jumped time because the tensioner were not replaced

  • Anonymous Jul 26, 2013

    Up hills your under a load,now the egr valve & ignition coil misfires come into play You need a scan tool on it & go up hills after confirming the timing is correct & also look at fuel trim & O2 sensor reporting

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Posted on Jan 02, 2017

  • 330 Answers

SOURCE: overheating

1. start the engine and leave the radiator cap open.
2. put a cardboard cover or a rug in the front of you radiator.
3. let it runs 20 minutes or more, see if it is overheated and see the water or coolant in the radiator circulated or not. If not, as soon as you have already changed water pump. thermostate and check the hoses, no leak, I think your radiator was blocked.


Did you put stop leak before?

Posted on Jul 07, 2008

  • 99 Answers

SOURCE: Troubleshooting overheating problems in 1997 Toyota Corolla?

Ok first check the water pump and if that is ok sounds like the head gasket blown, look for water in the oi, thisl will be like a milky colour

Posted on Dec 01, 2008

mastatech
  • 478 Answers

SOURCE: How difficult to replace Toyota Corolla '95

Its under where the top hose goes into engine, It is pretty easymake sure to get some forma gasket when putting back together

Posted on Mar 14, 2009

c17hydro
  • 2984 Answers

SOURCE: How difficult to replace 1995 Toyota Corolla radiator/thermostat

You can replace the radiator yourself, but why do you need to? The thermostat is on the engine. Follow the large hose that goes to the engine block....not the water pump. The thermostat is under that or sits on the top of the engine....looking for a pic for you!

Posted on Mar 14, 2009

subytech1
  • 244 Answers

SOURCE: car's overheating

Check to see if your radiator fans are working. If you have A/C just turn it on and both fans WILL come on unless there is a problem ie: bad fuse(s), relay(s), or motor(s). I don't mean to scare you, but, someone "could" have a pretty bad head gasket leak and still not see fluid come out of the exhaust. If the fans are both working, it could be any number of things from, a faulty coolant temp sensor, a faulty dash gauge, possible air bubble in the cooling system. Another easy check is coolant consumption, if you are leaking coolant into the cylinder while engine is running and/or into the crank case. Just check to see if your coolant level is going down and/or your oil level isn't growing because of coolant filling up your crank case. Hope this info helps...(subytech)...

Posted on Aug 07, 2009

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1 Answer

94 Cadillac Eldorado overheating uphill


This actually sounds like your motor is not the problem it sounds as
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Check for coolant leaks, usually a bad water pump will have a steady drip from the bottom of the pump.
Also check and make sure the radiator cooling fan is working.
If you find no leaks and the fan is turning the problem will probably be the thermostat.
Please rate this solution.
Lone99star

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1 Answer

How difficult to replace 1995 Toyota Corolla radiator/thermostat


You can replace the radiator yourself, but why do you need to? The thermostat is on the engine. Follow the large hose that goes to the engine block....not the water pump. The thermostat is under that or sits on the top of the engine....looking for a pic for you!

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Having the radiator rodded is a good move. Retest. If it has an electric radiator fan check temp sensors. If the fan has a clutch it may need to be replaced if its slipping with the engine hot. Check bellts. Its likely a fan air flow issue if the engine overheats when the care is not moving or is moving slowly. If the engine overheats only with AC on that narrows it down. Write back if that's the case. Lots of things can cause this. Antifreeze and a good radiator cap discourages boiling. Pressure in the radiator raises the boiling point but it can't build up pressure if the cap is bad. Antifreeze also raises the boiling point. If actual boiling happens in the engine then steam builds up in critical places and drives the collant out of the block making the engine even hotter than it already is. Replace the cap. Check the antifreeze.

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My engine on my 90 Toyota Corolla is overheating after only about 20 minutes of driving. I have been told that I should first replace the thermostat. Where is it located? While I'm at it I would like to...


the drain plug is on the bottom of the radiator,simply follow top radiator hose to the engine at the end should be your thermostat which is definitely causing the over heating

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