Question about 1993 Toyota Camry V6
I have a 1993 Toyota Camry V6 with 198,000 miles. The car was running well with good maintenance until few months earlier smoke was coming out from the engine. I changed valve cover gaskets. The smoke stopped but the engine started overheating after 20-25 minutes of driving. The coolant starts boiling and comes out of the resorvoir tank vent. Per mechanics suggestions, I changed one item after another like the radiator, hoses, thermostat, water pump, timing belt, radiator fan and the fan hydraulic motor. But still the same problem. It's not the head gasket, because there is no white smoke from the exhaust nor any coolant leakage. The radiator fan speed is much slower than like an electric fan. Is it because of hydraulically operated? I could stop the fan by my finger. Is it normal? Please help me. What could be the cause of overheating? I already spent lot of money on this; should I go further or junk the car now? I don't know what to do. Thanks.
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
The fan has a friction clutch that is affected by temperature it sound like the clutch has grown weak and is not spinning fast enough to effectively cool the antifreeze. You may be able to locate one at a salvage yard.
Posted on Oct 05, 2009
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Posted on Jan 02, 2017
Hydraulic leaks are typically a result of seals/o-rings wearing out. If you gave a leak coming from the cylinder you will probably have to replace the cylinder. Unless you are can do the repair yourself its unlikely that you will find someone who can rebuild it for less than a new one costs
Posted on Jul 07, 2009
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