Question about 2002 Jaguar XJ8

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The fan runs louder and longer than usual

Engine fan is running very loud and stays on longer

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Normally is the fans are running loud and staying on longer than they should , this usually indicates the thermostat is sticking...

Posted on Apr 14, 2014


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Fan runs louder and longer than usual

the thermostat is more than likely failed or the water pump. plastic impellor has broken, the easy way to test is to feel the radiator if engine hot radiator cold the coolant is not circulating, the favourite is the thermostat easy to change, common problem.the fan is controlled by the ecm, the sensor being in the engine. not the rad,

Mar 22, 2014 | 2002 Jaguar XJ8

1 Answer

My engine light turned on and had it checked. Said my engine was running a little cooler then it's suppose to. Why?

Couple of things here, one is P0128 code, this is almost always your thermostat and or temperature sensor located right above the thermostat. Do both when replacing the thermostat. The other problem it COULD be would be your fan clutch, IF your fan clutch is stuck engaged, it would be very loud and get louder as you go faster, sounds like an airplan. If your fan clutch is normal, it's probably the thermostat. If your engine is running cool, you're losing 2-6 MPG of gas, so it's worth getting fixed.

Mar 03, 2014 | GMC Envoy XL Cars & Trucks

1 Answer

2003 Nissan Xterra - Fan noise when a/c on

No that doesn't sound like the problem, the fan clutch locks up to cool the engine off due to the increased load of the AC system on the cooling system, so it locks up and gets much louder. If it didn't lock up the engine would overheat.

Jun 28, 2012 | Cars & Trucks

1 Answer

Not getting oil to the pistons. Making knocking noise. Wont stay on.

Has the engine been run low on oil? Does the knocking get louder as the engine warms up? Have you had a automotive technician listen to this noise? Pistons don't really knock, the bearings in the engine called the crankshaft and piston connecting rod bearings do make a loud knocking noise, if that is the case the engine must be removed from the car and rebuilt.

Sep 23, 2011 | 1998 Honda Civic

2 Answers

My 2001 Silverado 1500 Extended cab LS produced a loud "whirr" noise that almost sounds like a big diesel truck or something from inside the engine compartment during the first few minutes of...

Try slipping the drive belt (fan belt, alternator belt, or whatever you want to call it) off the engine, then run the engine momentarily without the belt. If the noise disappears, at least you now know it is not an internal engine problem, and it will be an issue with one of the pulleys, or belt-driven accessories.

Aug 27, 2011 | 2001 Chevrolet Silverado 1500

1 Answer

I just got through spending $360 having both the clutch fan and water pump replaced in my 2003 Dodge Durango. When I drove it off the lot, it had kinda a louder sound than when I had taken it in, and...

A viscous coupling(fan clutch) works with gel inside the coupling. When heated(engine getting hot) it engages the fan and the louder noise you hear may be the fan engaging. It should not be audible under normal running conditions and moderate heat. You do hear it after just having started the engine but should go away about 30 seconds later. With the engine at operating temp and switched off you should be able to easily turn the fan by hand. You will feel resistance and attempting to spin the fan by hand will have it turn only about a quarter turn by itself. If you cannot turn the fan at all then it has either been replaced with a direct drive unit, or has been modified. (Some of the less scrupulous service centres will drill a hole through the old coupling, put a bolt through it and tel the customer it has been replaced!!! ) Neither are acceptable practice if the customer has not been informed of this.
If it's been modified you should be in for a refund of sorts if you were charged for a new viscous coupling. If it was not modified, raise the question with the service centre and ask them if they could identify the sound, just to be safe.

Aug 05, 2010 | 2003 Dodge Durango

2 Answers

I just installed a clutch fan into my 2004 dodge durango and now the suv runs so heavy. I mean the suv runs loud. Is this normal?

Not sure what you mean by "heavy" and "loud"..

The fan might be "louder" because it may have been allot more quiet with the old failing fan clutch and not spinning fast enough.. Thus the new one working correctly making the fan spin much faster and being "louder"..
If that makes sense - to you question..

Sep 25, 2009 | 2004 Dodge Durango

1 Answer

Engine sounds loud on cold start

It is normal for an engine to run at much higher RPM's when they are cold and that will make it sound louder.

Jan 07, 2009 | 2004 Ford Focus

1 Answer

Fanning running

If no engine lights are coming on, and the dealership has diagnosed it normal, I wouldn't worry. Electric fans may stay on even after the car is shut off to help cool the engine. Usually there is a warning in the engine bay stating this.

Jul 22, 2008 | 2007 Volkswagen Jetta 2.5 Sedan

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