2.4L Squeal on Startup --- Belts or Pulleys/Waterpump?

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T.L. Davis - 02 Jul 2006 16:06 GMT

Got a 2.4L Nissan Frontier that squeals like a pig on startup. Turning
off the air conditioner helps sometimes, sometimes not.
I've heard it's belts, A/C clutch, pulleys, or even the water pump. Is
there any consensus out there?

Thanks,

Lee

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Truckdude - 02 Jul 2006 22:31 GMT

> Got a 2.4L Nissan Frontier that squeals like a pig on startup. Turning
> off the air conditioner helps sometimes, sometimes not.
[quoted text clipped - 4 lines]
>
> Lee

I also have a 2.4L Nissan pickup ('97). Sounds like a belt to me. How old
are yours?

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amstaffs@home.com - 03 Jul 2006 01:53 GMT

T.L. Davis <tldavis341@sbcglobal.net> quipped:

>Got a 2.4L Nissan Frontier that squeals like a pig on startup. Turning
>off the air conditioner helps sometimes, sometimes not.
[quoted text clipped - 4 lines]
>
>Lee

It's pretty simple to determine if it's the belt. Just take a spray
bottle and spray the belt with water and see if the squeal goes
away. If it does, it's the belt. If it doesn't, then it's most likely
a pulley or the water pump. The reason the squeal sometimes
goes away when you turn off the a/c is probably because it's
putting less tension on the serpentine belt. It certainly sounds
to me like a bad belt.

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AS - 03 Jul 2006 22:55 GMT

I had a similar problem and found that the water pump had a minor leak
(trough the shaft), just a few drops that would get the belt slippery
and thus it would squeal on startup.

> Got a 2.4L Nissan Frontier that squeals like a pig on startup. Turning
> off the air conditioner helps sometimes, sometimes not.
[quoted text clipped - 4 lines]
>
> Lee

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