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STEWACD
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  • 1 POST
I purchased a 2006 Nissan Frontier in Nov-05. One day last month after I washed it .I started it up and it started making squeeking noises like the belt was loose or like the pulleys needed lubricating. I noticed after it warmed -up to normal temperature the noise went away. A couple days ago I backed truck out of garage and let truck idle til normal temperature .I shut off engine after normal temperature. Truck set for about a good 30 mins to 45mins.Then I started it up .It started making the sqeeking noise ,I opened up the hood to try to pinpoint. it sound like one of the pulleys were sqeeking, but of course it could have been something else. I drove it to the dealership of course by the time I arrived the noise had stopped .I left it there overnight then they started it that morning. they didnt here any noise, This is an intermittent type problem and it is frustrating . What do you think this could be? Or do you have any suggestions ?
Feb 24, 2006 at 7:01 AM
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FISHERMAN
  • ✓Experienced Mechanic
  • 937 POSTS
check for proper belt tension...
the alternator need a lot of torque to turn when "charging mode" probably your belt its loose or worn out...

thats why its an intermitent problem..

check that and let us know. :)
Feb 24, 2006 at 7:12 AM
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FISHERMAN
  • ✓Experienced Mechanic
  • 937 POSTS
sometimes the belt "looks" good, but, its worn out and it goes deper on the pulley goove...

if the problem is the pulley, that causes a constant noise..
Feb 24, 2006 at 7:27 AM

Suggested Repair

Check drive belt tension and condition. A loose or worn belt can look acceptable but sit deeper in the pulley grooves and squeak intermittently under alternator charging load, especially when cold. A failing pulley would more often cause constant noise.

Conversation Summary

The owner of a 2006 Nissan Frontier reports intermittent squeaking that sounds like a loose belt or dry pulley, often after washing or on a cold start, and that stops once the engine is warm. The dealer could not reproduce it. The expert recommends checking belt tension and wear, explaining that alternator load can make a loose or worn belt slip intermittently, while a pulley problem would usually make constant noise.

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