Question about 1990 Ford Thunderbird

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My 1990 t- bird lx overheats when the a/c is on, replaced water pump, thermostat, had radiator clean out...same problem.

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Check the fan and fan clutch! Now that you have worked over the coolant circuit, make sure you have adequate air flow as well.

Posted on Aug 23, 2010

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1 Answer

Why would my 1990 Pontiac Fire bird be over heating.


Clogged radiator, defective engine cooling fan(s), sticking Thermostat, leaking cylinder head gasket(s), Leaking water pump and low coolant levels or air trapped in the system after a coolant flush out.

Aug 31, 2016 | 1990 Pontiac Firebird

1 Answer

1990 BMW 525i 2.5L engine overheats after rplaceing water pump, stermostat,fan clucth,radiator


There's trapped air in the cooling system.
  • You need to remove the bleeder screw on top of the radiator when adding water to the expansion tank.
  • With the engine running, pour water into the expansion tank till you see air go out through the bleeder screw's hole.
  • Just keep adding water until no more air bubbles come out then just put the screw back in place.
  • Then fill the expansion tank to it's normal level/line.

1990-bmw-525i-2-5l-engine-overheats-fibacwft50qlopemjcsdtpdf-4-0.jpg

1990-bmw-525i-2-5l-engine-overheats-fibacwft50qlopemjcsdtpdf-4-5.jpg

May 07, 2014 | 1990 BMW 525i

2 Answers

1990 subaru legacy- overheats, I"ve


Most likely you put the thesmostat in upsid down. Good luck

Aug 17, 2011 | 1990 Subaru Legacy

1 Answer

1990 toyota pickup is running hot and when i shut


Try with the small stuff first. Replace the thermostat. Before you do that, you should flush and refill your system with just water after the flush process. The bottle of solution that you put into your radiator to flush it and clean it has instructions, follow those. Then let the car cool down and drain the system and refill it with fresh water only. Run this water for a bit and then do it once more. Once cooled back down , replace thermostat and replace the 50/50 mix of antifreeze and water.
Check engine oil level as well, low oil will overheat engines quickly.
NEVER REMOVE THE RADIATOR CAP ON A HOT ENGINE. !
NEVER REMOVE THE RADIATOR CAP ON A HOT ENGINE. !!
NEVER REMOVE THE RADIATOR CAP ON A HOT ENGINE. !!!

Aug 06, 2011 | 1990 Toyota Pickup

2 Answers

IM REPLACING THE RADIATOR,WATER PUMP AND THERMOSTAT,THE WHOLE COOLING SYSEM,SHOULD I DO THE RADIATOR FIRST OR THE WATER PUMP?


If you are doing them all at the same time, do the water pump first. I like to do the toughest part first and then move on the the easier parts. Then the thermostat and then the radiator. Once you drain the radiator most of the engine coolant will come out making the waterpump easier to clean up. If you are doing them in different day's, alway's replace the waterpump and thermostat in pairs. If you can do the radiator at the same time, I would suggest that. Sometimes when thermostats get out of fluid, they sometimes will lock up and cause and overheat. Then you are replacing all the fluid and thermostat on a hot engine.

Oct 10, 2009 | 1999 GMC Yukon

1 Answer

95 honda civic lx overheating


COULD BE COOLANT SENSOR,HEAD GASKET,CHECK THE TIMING,THE PROPER MIXTURE OF COOLANT,WATER PUMP.DID YOU HAVE IT CHECKED OUT?ANY LEAKS?HEAT WORK WITH FAN?

Jan 08, 2009 | 1991 Honda Civic

1 Answer

How to change water pump 1990 civic


before the water pump try radiator

Dec 16, 2008 | 1990 Honda Civic

1 Answer

1990 nissan sentra overheating


it sounds like a water pump not circulating antifreeze properly

Dec 10, 2008 | 1990 Nissan Sentra

2 Answers

Car keeps overheating


you probably have a stuck thermostat

Dec 06, 2008 | 1993 Ford Thunderbird

1 Answer

1990 Subaru Liberty Overheats


Hi,

I had the same problem with my 1993 Liberty LX. Remove the thermostat (located inside bottom radiator hose engine connection - take the connection off and thermostat is inside). Reassemble (minus thermostat), reconnect bottom hose. Slowly (very, very slowly) refill the radiator and remove the bleed plug ( located beside the top hose connection to the radiator - a black square plug with a phillips head cross in the middle). When the radiator is full and clear water (no air bubbles) is coming out of the bleed point, replace the bleed plug and then the radiator cap.

Run the engine for five minutes (approx) or until normal engine temperature is reached. Allow the engine to cool down and recheck the water level - fill if necessary ensuring that the bleed plug is open and clear water is coming out of that point. Replace Bleed plug and then radiator cap. Run engine for five minutes (approx) and then test dive. If the engine overheats keep filling the radiator until there are no air bubbles coming from out of the bleed point.

This fixed my overheating problem. Good luck and safe motoring.

Aug 06, 2008 | 1993 Subaru Legacy

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