Bad pulley or bad serpentine belt
10

Asked by Maurice Nov 06, 2015 at 07:18 AM about the 2001 Pontiac Bonneville SE

Question type: Maintenance & Repair

I was Driving home yesterday and i lost
power in my car. At first it didnt wont to
start but i turned it again applied some
acceleration and it stayed on. I didn't drive it
for awhile. I started the car and this time it
came right on no problem. But while i was
driving i heard a sharp squeal sound. I
thought of my pulley but then my belt
popped off. But the car kept running. I get
out the car and check . .. Yes the belt is off.
So now do i just replace the belt or did the
pulleys cause  the belt to break?

2 Answers
223,905

Rowefast answered 9 years ago

Belt tension-er & idler pulley + belt will take care of this...Serpentine belt slipping can not drive the alternator how it should to keep battery charged.

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26,835

taver91 answered 9 years ago

Agree. Easy to change both and it should fix your problem. Not worth changing the belt and then have a bad tensioner potentially damage it.

Mark helpful

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