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belt drivin clutch fans have a bi-metal engagment mechenizm that makes your fan engage at high temps 170 deg to help cool your car by drawing air through the radeator at low speeds or stoped. it will however continue to rotate at idle wjen not needed just by centerfugal forcebelt drivin clutch fans have a bi-metal engagment mechenizm that makes your fan engage at high temps 170 deg to help cool your car by drawing air through the radeator at low speeds or stoped. it will however continue to rotate at idle wjen not needed just by centerfugal force
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have a compression test done
if the overheating is occurring at lights , high rpms with low road speeds or it stay right when travelling and it has a fan clutch ( viscous fan hub) replace the hub
Sounds like an internal clutch/pressure plate issue. Possible broken torsional vibration spring in the clutch assembly keeping clutch engaged. The transmission will have to be removed and clutch inspected/replaced.
You replaced the ac compressor, and the clutch stays on, but the compressor does not run ??? Not sure I am following your info here. If the ac clutch stays engaged the compressor should be running. You should have one hot and one cold ac line and the radiator fan should be running.
Fan clutches for Envoys and Trailblazer are a problem, they go out all the time.
However, it is normal for it to do this when cold, but will only stay engaged for maybe 15 seconds AFTER you've put it in gear and have started to drive. After this, it will disengage and allow the engine to warm up faster.
If you haven't already replaced the fan clutch once, you're lucky. 2002 is especially bad for the clutches, but all years don't last long. Mine lasted 90k which is pretty long.
You mean fan clutch? If so, check the wiring harness for frayed wires. These fan clutches for Envoys and Trailblazers tend to go out often. BUT, the more common problem is for the fan clutch to stay engaged, keeping the engine temperature too cool.
On another note, if you think 210 degrees is too high.....that's what it's supposed to run at, these engines run hot and should be dead on 210.
I just replaced my 2004 durango fan clutch and the new fan clutch will not disengage. The fan keeps runnning very loud i have replaced the new one already still doing the samething. Do i have a bad clutch or do i need to have the vehicle idle looked at
usually two types of clutches available,one engages with heat,the other is rpm controlled. The thermal clutch will stay quiet until the engine temp gets too high. Centrifical clutches seem to make more fan noise.
belt drivin clutch fans have a bi-metal engagment mechenizm that makes your fan engage at high temps 170 deg to help cool your car by drawing air through the radeator at low speeds or stoped. it will however continue to rotate at idle wjen not needed just by centerfugal force
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