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1997 Escort noise


felemur's Avatar
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10-22-02, 03:53 AM   #1  
felemur
1997 Escort noise

1997 Ford Escort is making a noise that sounds like a bearing noise from the area where the belt is for the alternator. The car has air & power steering. The spring loaded belt tensioner was replace by a mechanic who thought that's what the problem was. The sound comes and goes, but is only starts when the engine hits about 2000 rpm. I tried lubing the shafts on both idlers, and even putting some lube on the shaft of the alternator where it goes in to the body of the alternator to try and see if that is what needed replacing. I tried using a stethascope to isolate the sound, but I think the belt transmits the noise evenly to all pullies connected to the belt. I have opinions from replace the water pump, replace the alternator, it's the air conditioner compressor, defective idlers, but before I start into randomly replacing expensive parts, is there any history on this model of car that would point me to start looking at anything in particular? Thanks in advance to all who respond. -david

 
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10-22-02, 03:56 AM   #2  
Joe_F
Was the belt changed???? First place to start.

Check alldata.com for any known bulletins or recalls on this issue.

 
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10-22-02, 04:15 AM   #3  
felemur
No, the belt was not replaced, but I doesn't sound at all like a belt, it really does have a "bearing noise" sound. Much like when a wheel bearing is going. If the sound only came on when the car was moving, I would have guessed it was a wheel bearing. There is no "squeeling", but more of a droning sound. I must admit, this is the first car I've had that has this type of belt, I've always had cars that have V-belts, not this grooved kind. Do these type of belts make a "bad-bearing" sound when worn instead of the usual V-belt squeel? -david

 
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10-22-02, 08:36 AM   #4  
Joe_F
The belt should be changed.

Take off the belt and spin each accessory by hand. Do you hear grinding or feel resistance?

Check alldata.com as I mentioned before. Any bulletins come up?

First place to start...

 
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