Question about 1991 Toyota 4Runner
THere was no water in the radiator . There was plenty of oil in it. THe thing runs very ruff clug clug clug.when started and I can hear some sort of fan motor come on under the console or passenger side under the seat area. THese may not go together they are just observations. I tryed to take it around the block and it barely accelerated unitl i turned the heater on.,,,as soon as it got hot I parked it and turned it off. As far as I know the guy I got it from had no signs of overheating before a sudden overheating while driving up hill...thats all I got THanks so much
In the past there was a compain from the dealer about bad head gasket they had to replace both head gaskets with updated gaskets does the engine run rough for a few sometime smooth out? if so the gaskets are blown you need updated gaskets.is there alot of steam coming from the exhaust? another sign of blown head gaskets. how many times do you need to fill the radiator? you can also pull spark plugs from each cylinder and find the cleanist plug in that cylinder thats also a sign of blown head gasket in the area of the cylinder head all fluid goes out the tail pipe thats why you have to fill the radiator
Posted on Feb 13, 2013
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Posted on Jan 02, 2017
I have almost the same problem, in this case the power windows, power seats and loock those are not working
I was looking for the fuse but i didn't found it.
Could you helme 4runer 2k limited
Posted on Sep 03, 2008
Yes if it hydraulically operated it could be because the pump for the fan is bad. If I am not mistaken the fan is run off of the power steering pump correct. check and make sure the pump is working correctly. I have not seen a hydraulic motor on a car I know they put them on a lot of diesel trucks like humvees and some Chevy diesels but not on a car. Most are usually electrical. I know on humvees with a hydraulic fan they have a fan controller check this and make sure it is working right you can unplug the controller and the fan should stay ingaged and turn faster.
Posted on Oct 05, 2009
nothing try back flushing heater core, they clog up due to litle water preasure,you might want to flush cooling system if you already havent, hope this hleps.
Posted on Oct 06, 2009
SOURCE: 1994 Toyota 4Runner Overheating
I had the same problem - my 95 4Runner would overheat in 4WD only, and coolant would bubble out and spill over.
The problem turned out to be with the rear heater tubes and the fan clutch - my mechanic bypassed the rear heater tubes and I have no more problems. Not exactly sure why this helped. To replace the rear heater tubes, it would've cost $325, but to bypass cost $75. Most people don't even really use the heat in the back seat.
The second part of the problem, and most important, was the fan clutch needed to be replaced. At low speeds, it wasn't kicking in when it should have been, only working at higher speeds. Once I replaced the fan clutch and the bypassed the rear heater tubes, all has been well.
Hope this helps!!
Posted on Jan 25, 2010
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