Noise When Fan Cuts In

SuperRoo · Jun 5, 2007

Hi guys,

Small problem I hope...I have a noise that starts when the fan cuts in to cool the engine down. Sounds like it's coming from the drivers side but I can't seem to place it. Hopefully someone else may have experienced this at some point. Thanks for your help in advance

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1988 Cherokee Laredo, 4.0 Litre, 4WD, Auto and it's Left Hand Drive too...causing havoc on England's roads!

stewie · Jun 6, 2007

give us some more information to work with. what kind of noise is it? is it like an electrical hum, or a grinding like something rubbing on plastic or metle etc....

the more we know, the easier it will be for us to help you and possibly the quicker to a solution.

hth

SuperRoo · Jun 6, 2007

Cheers Stewie,

It sounds like something is rubbing, a squeal - the fan cowl was my first thought, but no it's not. As I said it is only when the electric fan switches on, so i've already discounted the belt as well. It's got me stumped...

_________________________________________________
1988 Cherokee Laredo, 4.0 Litre, 4WD, Auto and it's Left Hand Drive too...causing havoc on England's roads!

Jess · Jun 6, 2007

could be one of the intercooler lines hitting the fan.

darjevon · Jun 6, 2007

SuperRoo said:
Hi guys,

Small problem I hope...I have a noise that starts when the fan cuts in to cool the engine down. Sounds like it's coming from the drivers side but I can't seem to place it. Hopefully someone else may have experienced this at some point. Thanks for your help in advance

_________________________________________________
1988 Cherokee Laredo, 4.0 Litre, 4WD, Auto and it's Left Hand Drive too...causing havoc on England's roads!

hotwire the fan to an external battery and see if it makes the noise. Post back.

98stocker · Jun 6, 2007

Just a guess... but maybe the extra draw on your alternator is making the belt squeel a bit.

SuperRoo · Jun 14, 2007

Drove the truck for the first time in about a week, got caught up in traffic so the fan cut in - still with noise. Pulled over and really had time to listen to it as the fan kept going for a while. This noise I think is actually coming from the fan itself, just wondering could it be a bearing? And if so, is a complete replacement needed? Once it cooled down tonight I checked the fan itself and it didn't seem loose...

Noise When Fan Cuts In

SuperRoo

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stewie

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SuperRoo

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Jess

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darjevon

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98stocker

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SuperRoo

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