Replacing idler pulley

zeevann · Apr 29, 2007

is there any place i can find exact instructions on how to do this?

bdcardinal · Apr 29, 2007

remove the serpentine belt, will require either a 3/8 or 1/2 drive breaker bar or serpentine belt tool. dont remember which one, i just have all 3. use an impact gun and unbolt the 13 or 15mm bolt holding on the idler pulley. installation is the revere of uninstall.

DTNODYA · Apr 29, 2007

bdcardinal said:
remove the serpentine belt, will require either a 3/8 or 1/2 drive breaker bar or serpentine belt tool. dont remember which one, i just have all 3. use an impact gun and unbolt the 13 or 15mm bolt holding on the idler pulley. installation is the revere of uninstall.

+1

I used a breaker bar to remove the pulley nut ... in case you don't have an impact.

bdcardinal · Apr 29, 2007

ya that works too. i have electric impact guns for use in my house, dont have an air compressor yet. i used the air guns at work.

Tally_4.6 · Jul 11, 2007

Sorry to bring an old thread back from the dead. But my idler pulley is making noise and it has some side to side play in it so i figure i will replace it. As you said it doesn't sound that hard to remove, but when i re-install it would i have to TQ it down? I don't have a tq-wrench.

lvmustanggt · Jul 11, 2007

I just did mine , no need for impact guns. Just spray some WD 40 or PB Blaster, that's it. Too easy you should not even ask for help

Kilgore Trout · Jul 11, 2007

This is something that you just do... The only thing you might search for would be belt routing diagram. It real easy to change. I got one at AutoZone for $14.

Tally_4.6 · Jul 11, 2007

The only question i have is whether i have to TQ the idler pulley down, but judging by all the hooplah posted above i guess not.

lvmustanggt · Jul 11, 2007

Tally_4.6 said:
The only question i have is whether i have to TQ the idler pulley down, but judging by all the hooplah posted above i guess not.

just use some locktite and that's it. Don't over do it or might snap the bolt

mransr · Jul 12, 2007

I happened to change mine tonight...took about 10 minutes

Tally_4.6 · Jul 15, 2007

Update: I just changed this earlier today, real quick like. Started it up, and the noise is still there. It's still coming from the same general area around the pulley system. Might it be the belt tensioner going bad and making noise??

Tally_4.6 · Jul 18, 2007

Anyone? ^ ^

jeffnoel · Jul 19, 2007

Which idler did you replace there are 3 of them 2 smooth and 1 ribbed.

CobraRed_96_GT · Jul 19, 2007

the sound is your automatic belt tensioner, the pulley is steel and the tensioner is aluminum so it wears down and begins to lightly grind causing usually a squeak or moan. I replaced mine and it fixed the noise right up

Tally_4.6 · Jul 20, 2007

jeffnoel said:
Which idler did you replace there are 3 of them 2 smooth and 1 ribbed.

The smooth one at the top closest to the alternator.

CobraRed_96_GT said:
the sound is your automatic belt tensioner, the pulley is steel and the tensioner is aluminum so it wears down and begins to lightly grind causing usually a squeak or moan. I replaced mine and it fixed the noise right up

Ok, so do i remove the tensioner and then remove the pulley attached to it? Or do i have to replace the whole tensioner and pulley?

jeffnoel · Jul 20, 2007

Yes, But if you replace the tensioner it comes with a new pulley installed.

Replacing idler pulley

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