Want this question answered?
The idler pulley has nothing to do with the brakes. If the idler pulley is bad it could throw or break a belt, and then your engine will stop.
There is a crankshaft pulley, alternator pulley, power steering pump pulley, AC pulley, idler pulley, tensioner pulley, etc.
Probably not the air pump. Could be the power steering pump or the tensioner pulley or maybe the idler pulley.
The idler pulley is notorious in the TB for going bad. It is an easy, cheap fix. The power steering pump would be next on the list, so check to see if you are low on power steering fluid (which causes the pump to whine). If the fluid level is good, go with the idler pulley replacement.
It is one of those small round items that the belt rides on. The idler is not attached to an accessory such as the power steering or alternator.
I don't believe there is an idler pulley on that model, just a tensioner pulley
I had a similar noise and had the idler pulley replaced. Noise still there and mechanic said it was probably the bearings in the pump, probably from overtightening the belt.
the pulley is bad when it stops moving
change the idler pulley
If an idler pulley is broken, I would advise not to drive it anywhere. It would effect the power steering, water pump, alternator and coolant fan causing you to get stuck on the road and possibly cost many more $$ in damage.
In an Inline 6 Jeep engine, the idler pulley is located to the right of the A/C pulley. It is a smooth pulley, not a grooved one.
If you are referring to the Serpentine belt, you loosen no pulley. You simply remove tension from the belt. The tension is applied by the Idler Pulley. Pry the idler back and remove the belt.If you are referring to the Serpentine belt, you loosen no pulley. You simply remove tension from the belt. The tension is applied by the Idler Pulley. Pry the idler back and remove the belt.