Question about 2002 Jeep Liberty

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ENGINE FAN NOT WORKING. WHAT COULD BE THE CAUSE AND CAN I FIX IT MYSELF

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Hello , this engine fan problem could be for many reasons , what you should check on is the thermostat , and the fan fuse is ok , and to be sure that the fan motor works and that by connecting it directly to the battery , and just a small advice don't do this yourself , and thank you for using fixya

Posted on Jun 26, 2008

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What would cause car to overheat if it has engine coolant in radiator and reserve tank, radiator fan may not be working


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I have a 1997 Intrepid that keeps overheating. I took it to a shop, and they say that the radiator fans have shorted out fuses. I was just wondering if this was a problem that I could fix on my own,...


Ur problem is easy to solve and must be done quickly to avoid damage to the head or other engine components.
1. Ur two fans must be working and,
2. the thermostat which triggers the fans must be in working order as wel.
3. The two fans have fuses in the fuse comp box, they must not be broken, if so, replace them.
4. Make sure there is optimum coolant in the radiator and that it is clean. Rusty wall and dirt reduces the efficiency of the radiator: u can use radiator flush to get rid of the dirt.
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Check the engine main relay, the radiator fan relay no. 1, 30A CDS and FAN fuses, and the ECT (engine coolant temperature) sensor for proper function. For the ECT, there should be continuity when the engine is cold (200F).

Jan 12, 2011 | Toyota Corolla Cars & Trucks

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My car is running hot within 1 mile of me driving it...my fan kicks on when it wants to....i need to know how to fix it myself


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How to fix a blown rad fan fuse and relay for '99 concocorde. i have replaced all fuses and relays, still no work. i noticed the fan on passenger side siezed, i unplugged it now. ive looked for shorts in...


The seized radiator fan has probably caused the current overload that blew the fuse and subsequently damaged the fan supply relay.
Repair or replace the seized fan if possible.
If not able to replace/repair immediatley, temporarily leave the fan disconnected, but be aware it may cause engine to overheat when vehicle in operation and will definitly need to be fixed before the vehicle is fully serviceable.

Replace the fuse and fan supply relay if faulty and repair/replace any burnt wiring.
I would not recommend re-arranging the wiring or fuses in any way - as that may cause further damage - especially if you don't know exactly what you are doing.

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3 Answers

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2 Answers

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Here's how the system works: the heater 'box' contains a heater core (a mini radiator) w/ a fan and hoses connecting the heater core to the engine cooling system. Hot engine coolant is circulated thru the heater core. When u activate the heat switch on the dash, a flap door opens to expose the heater box to the passenger compartment. The fan switch on the dash activates the fan, which blows air thru the core, which heats the air.
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8 Answers

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1 Answer

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