Question about 1990 Mitsubishi Minivan

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Overheating while on idle.

Would it be feasible to replace a fan clutch with an auxillary fan?

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  • fjpgarcia May 21, 2009

    Can the aux fan be wired in such a way that it comes on automatically via thermostat or just a manual switch on your dash board?

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Yes, i just did it on my truck, pretty easy swap for a gearhead.
you will free up quite a bit of horsepower, the engine dont gotta power that huge fan, instead the freed up horsepower goes right to you wheels.
elec fan kit comes with complete instructions

Posted on May 12, 2009

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3 Answers

Overheating and antifreeze coming from cap, but fan to cool it down, is barely turning what could cause this.


Could be a faulty fan motor, or fan relay.
You should be able to run a wire from battery power to the fan to make it run at full speed to test.

Sep 04, 2015 | 1996 Geo Tracker 2 Door

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My husband bought a 92 ranger and put in alot of money. Putting everything brand new from the heads down to hoses. We always had to deal with the truck overheating and the idle going high..finally my...


The clutch seperating will cause slipping and hard to put in gears.But as for the overheating you need to check the cooling fan clutch when the vehicle is warm and at operating temperature turn engine off.take key out and spin the front fan it should be a little stiff to turn when the engine is warm up the fan clutch fluid would cause the fan to grab and spin more than when it is cold.

Mar 28, 2012 | 1992 Ford Ranger

1 Answer

Aux fan not cutting in when o/heating 1989 190E 2.6Ltr. Fans operate when tested.


Your vehicle should have a viscous fan clutch for controlling the engine temp from overheating. The auxillary fans in front are used when the a/c is on. I would start by spinning the engine fan or viscous fan by hand when the vehicle is off. The fan should show resistance when you spin it. If it doesn't and it just free spins then the viscous fan clutch is bad. Let me know what happens when you spin the engine fan and also exactly how high does the engine temp get. Does it reach the red mark?

Feb 23, 2012 | Mercedes-Benz 190-Class Cars & Trucks

2 Answers

Dded anti freeze, seemed ok for a day,started over heating again when moving but pull over at idle temp drops


Welcome to Fixya

Sounds like you have a problem with the cooling system. First thing you need to check first if the auxillary fans are working from the time you are the engine is overheating. If the auxillary fans is not working then the problem would be the aux fan itself or relays. if Fan is working then you might have a poblem with the water pump.

Thank you for using Fixya!

Oct 02, 2011 | 2003 Mitsubishi Outlander

1 Answer

My jeep is overheating when stop i change the fan relay head gasket put new radiator and keep overheating when i stop in the lights


It's easy to overlook but a bad clutch fan will cause overheating in stop & go traffic, while you're idling or out on the trail at low speeds. When you rev the motor, you should be able to hear the clutch fan 'roar' up to speed slightly behind your engine speed. It's a noticeable sound when it's fixed, but ya don't pay any attention to it if it has slowly gone bad... other than wondering why you're overheating.
CHEAP "FIX" #1: If your clutch fan is known to be bad, you can remove it and drill two small holes in it where the internal spring is located and put two sheet metal screws in to make it 'lock up' all the time. Put these 180* apart, directly across from one another to keep things balanced. Upside: .20 cents to fix. Downside: Reduced gas milage with it going all the time.
CLUTCH FAN REPLACEMENT UPGRADE: Pull out the clutch fan and use it to enhance your garage wall. Instead of putting in another clutch fan, you can free up some horsepower when you install another electric fan for primary cooling

Jul 18, 2011 | 2000 Jeep Grand Cherokee

1 Answer

2003 trailblazer overheating while @ idle


Check the wiring and connections on the coolant temperature sensor that I believe is on the thermostat housing. If they look good, replace the sensor. It is pretty rare to have an electric cooling fan motor fail but not impossible. They are usually very expensive. Expensive enough that you will want to make sure that is the problem before you replace it. Usually the sensor will fail. **Please rate me on this answer.**

Jun 24, 2010 | 2003 Chevrolet TrailBlazer

1 Answer

I have replaced theromstat,water pump and waterpump pulley and car gagr goes into the red in about 10 mins. i did find the radiator fan switch line broken wire broken, Help


fan clutch isn't spinning the fan to pull air to cool car. replace fan clutch assembly. that fan alone should keep the car in the mid zone. electric auxillary is for A/C and overheating only.

Jun 02, 2010 | 1995 BMW 5 Series

1 Answer

Overheating


Is the fan now working? Your engine will continue to overheat if you have not fixed the fan. Check the fuse for the fan, connectors, and replace the fan if necessary.

Sep 28, 2009 | 1995 Cadillac Eldorado

2 Answers

At idle car runs hot, but when driving it cools down.


FAN CLUTCH IF IT HAS ONE, OR AUXILLARY FAN NOT WORKING

Sep 20, 2009 | 2003 Mitsubishi Outlander

2 Answers

Overheating radiator


some bmw's have a electrical thermostat

May 07, 2009 | 1995 BMW 3 Series

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