Question about 2002 Nissan Altima

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Chirping bearing on water pump pulley can i just replace pulley or do i have to replace entire water pump

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Are you sure it's a water pump it may be the alternator, the waterpumps are usually inside the timing cover out of site on these cars

Posted on Jul 03, 2009

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Posted on Jan 02, 2017

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2 Answers

2000 mazda mpv passenger side ball bearing location


The following items on your Mazda have ball bearings, and are on the passenger side.
1) Wheel bearings, front and rear.
2) CV joints, inner and outer.
3) Alternator, front and rear.
4) Power steering pump.
5) Water pump.
6) Idler pulley and/or tensioner pulley.
7) A.C. Compressor.
8) a few I may have missed.

Oct 29, 2015 | 2000 Mazda MPV

5 Answers

I have a chirping or bearing sounding noise, that I am trying to isolate on my daughters college car. Sound varies with RPM.


Get an inexpensive mechanics stethoscope and put the end on the shaft part of idler pulleys, housing near bearings of alternator and water pump etc.
If that doesn't give clear results, try squirting a little water on the serpentine belt as if runs [a length of small drip irrigation hose works really well to get a little water on the belt]. The water will provide harmless temporary lubrication to the belt and change the sound if it is caused by the belt slipping.

Feb 04, 2015 | 2008 Ford Mustang

1 Answer

Sounds like birds chirping under hood..belt n


Bad over run pulley for the alt? Bad idler or tensioner bearings? could be a bad accessory like compressor, water pump, timing belt pulleys. . Best to list yr, make and model if you are requesting help if you want any real info

Sep 12, 2014 | Cars & Trucks

1 Answer

Intermittent chirping noise


I have had alot of customers with this problem. There is another pulley called the idler pulley and alot of times its bad due to the bearing wearing out. I would replace that 1st for around $20

Apr 25, 2012 | 1999 Ford Explorer

1 Answer

2004 ford taurus chirping noise when engine revs


Hello, There are several things which can do this. First, cut off the A/C and then rev the engine as before. If the chirping goes away, the noise was either the A/C clutch or the Serpetine belt slipping with the load. For the A/C clutch, you can try a little rust removal between the drive plate and the pulley with the engine OFF. You can use sandpaper and try to knock off the rust. Then put a little oil on to condition the metal. Then try it with the A/C on.

If the chirp is still there, you have to check bearings on the Pulley tensioner, Alternator, Water pump, and Power steering. It is possible for the Pulley tensioner to have a weak spring or you may have a stretched Serpetine belt. This condition would cause the belt to skip under a load. If the belt is checked with small cracks, just replace the belt. Take off the tensioner and compare the spring tension and wobble in the pulley to a new unit at the Autoparts store.

If still no success, the chirp could be a water pump bearing. The old way off using a piece of wood on the housing of a part while the engine is running is dangerous, but effective. I believe you should have already found your problem before this measure is needed. Dry Serpetine belts make quite a lot of noise and is probably your problem.

I hope my Solution is very helpful to you.

Jun 28, 2011 | 2004 Ford Taurus

2 Answers

I have a 2004 trailblazer and i am having a bad chirping noise from the belt and pulley area.I poured some water on the chirping stopped. is this a sign that the belt is the problem


Replacing the belt is the least expensive thing you can do to fix a belt chirp. I think the belt is around $30-$40 if I recall and takes just 5-10 minutes to swap out. Otherwise, you're looking at a pulley problem, or waterpump starting to go out, or the belt tensioner and so on....

Jan 12, 2011 | 2004 Chevrolet TrailBlazer

1 Answer

Chirping, squealing noise from pulleys


check your pulleys. but if you have a Dayco belt on your truck, sometimes they're noisy. Its just the design. But they're good belts. But I would check the pulley on your water pump first, just in case of bearing wear. That's the best way to start.

Sep 04, 2009 | 2000 Dodge Durango

1 Answer

Change serpentine belt and tension pulley and idle pulley and


could be the alternator, water pump
take the belt and spin all the pulleys and listen for noise and make sure they turn smoothly
another trick is to take a can of wd40 or equivalent and spray the bearings 1 at a time till the noise goes away or quiets down

May 15, 2009 | 1996 Ford Taurus

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