Fan problems

dawkinsrover · 22nd November 2007, 16:14

How can i tell if my fan is packing up? A couple of weeks ago I noticed a strange noise/rattle that was keeping time with the engine. Last night I went off to tesco and the noise has got louder and the fan seems to be working very hard/fast. It was a cold night and I only went a total of 5 miles but, the fan was very audible, even with the heating etc switched off in the car and increases in speed if |I rev the engine a little. The car did NOT overheat or anything, the temp reading was normal as always.
Does this sound fan related? Many thanks for any advice you can give

dawkinsrover · 22nd November 2007, 16:15

Perhaps I should mention that the car is a 2000 W reg 2 litre V6 with 109000 on the clock.

andyw · 22nd November 2007, 17:01

The fan is electric so engine speed is not relevant or at least the noise won't rise and fall in time with the engine.

I am wondering if you have a drive belt that is delaminating. I think you need to lift the bonnet and see where the noise is coming from

Andy

dawkinsrover · 22nd November 2007, 17:35

Hi Andy, by drive belt do you mean a cam belt? Sorry to be thick....I'm not mechanical

andyw · 22nd November 2007, 18:35

I was thinking more along the lines of the one for the alternator or the waterpump.

I don't think cambelts give much notice. You'll know when the cam belt fails though. The pistons and valves have a party and Christmas is cancelled!

Andy

stocktake · 22nd November 2007, 18:46

Quote:

Originally Posted by andyw

You'll know when the cam belt fails though. The pistons and valves have a party and Christmas is cancelled!

Andy

22nd November 2007, 16:14	#1
dawkinsrover Avid contributor Rover 600 GSi Auto Join Date: Apr 2007 Location: Poole. Dorset Posts: 218 Thanks: 0 Thanked 0 Times in 0 Posts	Fan problems How can i tell if my fan is packing up? A couple of weeks ago I noticed a strange noise/rattle that was keeping time with the engine. Last night I went off to tesco and the noise has got louder and the fan seems to be working very hard/fast. It was a cold night and I only went a total of 5 miles but, the fan was very audible, even with the heating etc switched off in the car and increases in speed if \|I rev the engine a little. The car did NOT overheat or anything, the temp reading was normal as always. Does this sound fan related? Many thanks for any advice you can give

22nd November 2007, 16:15	#2
dawkinsrover Avid contributor Rover 600 GSi Auto Join Date: Apr 2007 Location: Poole. Dorset Posts: 218 Thanks: 0 Thanked 0 Times in 0 Posts	Fan problem Perhaps I should mention that the car is a 2000 W reg 2 litre V6 with 109000 on the clock.

22nd November 2007, 17:01	#3
andyw Avid contributor MG ZT CDTi (departed to pastures new) MGTF, MGC, Join Date: Dec 2006 Location: Altrincham, Cheshire Posts: 214 Thanks: 0 Thanked 0 Times in 0 Posts	The fan is electric so engine speed is not relevant or at least the noise won't rise and fall in time with the engine. I am wondering if you have a drive belt that is delaminating. I think you need to lift the bonnet and see where the noise is coming from Andy

22nd November 2007, 17:35	#4
dawkinsrover Avid contributor Rover 600 GSi Auto Join Date: Apr 2007 Location: Poole. Dorset Posts: 218 Thanks: 0 Thanked 0 Times in 0 Posts	Hi Andy, by drive belt do you mean a cam belt? Sorry to be thick....I'm not mechanical

22nd November 2007, 18:35	#5
andyw Avid contributor MG ZT CDTi (departed to pastures new) MGTF, MGC, Join Date: Dec 2006 Location: Altrincham, Cheshire Posts: 214 Thanks: 0 Thanked 0 Times in 0 Posts	I was thinking more along the lines of the one for the alternator or the waterpump. I don't think cambelts give much notice. You'll know when the cam belt fails though. The pistons and valves have a party and Christmas is cancelled! Andy