Idler pulley goes and takes bracket with it - JeepForum.com
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Unread 10-10-2013, 06:39 PM   #1
odysseus145
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Idler pulley goes and takes bracket with it

I've had my 98 Grand Cherokee Laredo for almost ten years and the last year has nit been a good one for it. I've had the harmonic balancer throw itself into the fan, the infamous stalling problem caused by the PCM, gaskets that suddenly hemorrhage fluid, and the AC clutch died. I've managed to resolve most of these in large part thanks to this board, so first I just want to say thanks!

Now onto the most recent problem. A couple days ago I started noticing a grinding noise coming from under the hood. It sounded like it was coming from the compressor. Since I can't afford to replace the compressor anyway, I was content to just let it die on its own. Last night as I was driving home, the grinding got a lot worse and I saw sparks coming from underneath the hood. Of course, I immediately stopped, cut the engine, and stepped away to make sure it wasn't on fire. After opening the hood, I immediately notice that belt was extremely slack and the idler pulley was noticeably bent upwards. The sparks were from the pulley grinding against the bracket. I drove without the belt the remaining 2 minutes it took to get home. The next morning I got the pulley off. I attached a couple images of the pulley and the resulting damage to the surrounding area.

I got the pulley off without much trouble. Installing the one is giving me trouble though. I ended up threading a nut behind the pulley so that it would align with the rest of the pulleys. But now the pulley is slanted a few degrees compared to the rest. I have a new belt installed, but I haven't tried staring it yet (the battery died and I'm waiting on a jump). I guess the bracket itself is bent now. Is that a part you can even get outside of a junkyard?

messed-up-pulley_small.jpg

messed-up-bracket_small.jpg

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Unread 10-10-2013, 07:00 PM   #2
coralman
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Yes. It is still available from the dealer.Part#53010148 is the adjustment bracket. comp and alternator bracket is 52010224AB. $15 and $72 respectively.
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Unread 10-10-2013, 07:04 PM   #3
ZeeJay1997
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is part of the bearing stuck to the bracket? the bracket may be salvageable.
idler-pully.jpg  
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Unread 10-10-2013, 07:07 PM   #4
ZeeJay1997
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hey coralman, jinx

i wonder why your parts numbers and the ones in the fitch dont match may be because its a 97 fitch
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Unread 10-10-2013, 07:27 PM   #5
odysseus145
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Quote:
Originally Posted by coralman View Post
Yes. It is still available from the dealer.Part#53010148 is the adjustment bracket. comp and alternator bracket is 52010224AB. $15 and $72 respectively.
Thanks. I wonder why the alternator bracket is so much more.
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Unread 10-10-2013, 07:30 PM   #6
odysseus145
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Quote:
Originally Posted by ZeeJay1997 View Post
is part of the bearing stuck to the bracket? the bracket may be salvageable.
That could be it. I though it had worn into the thread itself.
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Unread 10-11-2013, 04:10 AM   #7
coralman
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I was looking at #1 and #8. Did I get it wrong? Alt/comp bracket is cast aluminum while adj bracket is stamped steel.
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Unread 10-11-2013, 04:30 AM   #8
ZeeJay1997
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Did I get it wrong?
nope, i had a brain fart. reading is fundamental
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Unread 10-11-2013, 04:36 AM   #9
coralman
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I usually check the fiche against the online mopar dealers in case they have thrown in a suffix after the number. I would like to know what the suffix nomenclature means.
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Unread 10-11-2013, 04:41 AM   #10
ZeeJay1997
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the suffix is probably revision sequence
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Unread 10-14-2013, 03:21 PM   #11
odysseus145
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Guys, I just got the compressor off, and the part number on the bracket is 53010224. Is this interchangeable with the 52010224 bracket? I just ordered the latter through the local dealership ($130 by the way), and I would rather not get any surprises.

Also, I don't see how I could salvage the bracket. The bolt now threads in at an angle. I was hoping the slight tilt would be an issue, but with the new pulley installed, the belt just walks off the pulleys over the course of about a minute.
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Unread 10-14-2013, 03:28 PM   #12
zjosh93
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Just looking at the picture above it looks like 53010224AB is the right number. The 2 must have been a typo. FWIW a quick google of 53010224AB returns a bunch of mopar parts sites a lot cheaper than $130.
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Unread 10-14-2013, 04:20 PM   #13
coralman
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Well, I have to eat crow on that one. Old eyes make mistakes I guess. Sorry for the screwup odysseus. Gonna have to start wearing the glasses all the time. If they give you any grief taking it back let me know.
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Unread 10-14-2013, 04:37 PM   #14
odysseus145
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Originally Posted by coralman View Post
Well, I have to eat crow on that one. Old eyes make mistakes I guess. Sorry for the screwup odysseus. Gonna have to start wearing the glasses all the time. If they give you any grief taking it back let me know.
No harm done, I'm sure. The parts guy at the dealership read back the same 520xxx number after looking it up based on my make and make and model. I kind of suspect they're interchangeable. I don't think the part I just removed is from the factory. One of the bolts holding it on (just one) had some kind of 12-point tip. It was probably something the last owner found at the bottom of his toolbox to replaced a lost bolt.
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Unread 10-14-2013, 06:09 PM   #15
ZeeJay1997
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hindsight is 20/20 but the bracket is a yard item if you have time to run one down. Although with the price of gas and the time, you may be ahead by coughing up dealer price.

The cheapskate in me that makes me cringe at dealer cost. The reason I try to post the Mopar number is to help find the parts online. Usually you can Google the number and and find wholesale or aftermarket replacements.
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