300ZX (Z31) Forums Dedicated to 84-89 ZCars otherwize known as the Z31's

Engine Fan

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Old Mar 30, 2002 | 08:17 PM
  #2  
Spot's Avatar
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Joined: Dec 2000
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From: Houston, Tx
Re: Engine Fan

It's probably not the fan, but one of the belts. check to see if any of them seem to have loosened any. The alternator belt (since it's a serpentine type) tends to be the most likely one (maybe also because it's the most difficult to get to...).

Old Mar 31, 2002 | 01:27 AM
  #4  
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From: Houston,Texas,USA,
Re: Engine Fan

Maybe the injector cooling fan. I removed mine. A lot of people do. It's supposed to prevent vapor lock or make the car easier to start when warm but it doesn't seem to matter much.

ZenArcher

Old Mar 31, 2002 | 06:11 AM
  #5  
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Joined: Dec 2000
Posts: 342
From: Houston, Tx
Re: Engine Fan

Ya, Zen is right. The injector cooling fan is on 84/5 turbo's and 86na's. Not sure what 87+ variations they are on. You may have gotten water in it or something, and the bearings may be squealing now. They're easy to get off on the 84/5's as they're mounted by the headlight, but 86na's they are down behind the power steering pump - a pain to get to. Maybe try opening it up and drying and/or regreasing the bearings if you can. Never opened one up before, so not sure how doable this is.

hope this helps.

spot

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