Squealing belt = bad alt? Also, won't idle

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  #1  
Old 02-28-03, 03:54 PM
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Location: Trevor, WI
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Squealing belt = bad alt? Also, won't idle

This is on my neighbors '94 Caravan with the 3.0L and AT. Has 112 k miles on it. She had it towed home today after it stalled here in town. Said it wouldn't restart.

The van cranked over ok, but didn't start until I gave it some gas (put my foot lightly on the pedal). It died when I took my foot off the pedal. Once it was warmed up (kept it running w/ the idle up), then it would idle but seemed to be starving (lightly chugging/missing). I plan to start by replacing the fuel filter... fuel pressure didn't seem easy to check per the autolibrary (I have a pressure tester but only for a schraeder port).

Next problem, when I turned on the blower fan, the serp belt screeched and the engine came to a halt. I'm thinking new alternator on this one. Causing some big problems when under load.

If anyone has further ideas on these problems please let me know. I can't figure how these are related/ neighbor said the van started/ran great before.

Much thanks,
Steve H.
 
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  #2  
Old 02-28-03, 05:14 PM
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the starts and dies or does not want to idle is likely due to the throttle plate needing cleaned, just remove the air intake hose and hold open the throttle and clean with carb cleaner,
if the selector was in the a/c or defrost mode i would be checking the a/c compressor which may be locked up causing the belt to squeel you should be able to turn the front of the compressor by hand if you cant it is locked up.
 
  #3  
Old 02-28-03, 05:58 PM
Joe_F
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I agree with BeJay. Turn on only the heat (don't signal the compressor to come on). Does it squeal now? If not, it's in the A/C compressor that's causing the problem.
 
  #4  
Old 02-28-03, 06:15 PM
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I'm pretty sure I was only turning on the heat. I didn't have the selector on defrost and there was a separate button for the A/C. Also, looked to me like the compressor was run on a different ("V") belt... not the serp.

Thanks for the ideas, I'll have to try cleaning the throttle valve first. Easy and cheap fix if that's it.

Steve
 
  #5  
Old 03-01-03, 03:21 AM
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Just had a brain freeze about the belts... I didn't put it together that the compressor could have stopped the motor just as well on a separate V-belt. I will make certain the A/C or defrost aren't selected next time I check the van.

Thanks again,
Steve H.
 
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