wobbly pulley - DodgeIntrepid.Net Forums - Dodge Intrepid, Concorde, 300m and Eagle Vision chat
 
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post #1 of 10 (permalink) Old 12-15-2003, 06:36 AM Thread Starter
 
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wobbly pulley

We have a Crankshaft pulley that wobbles, about 1/16" or slightly more , bought the car about 4 months ago( 97 Interpid) , has about 115,000 miles, others we looked at ( 3.5 liter engines) did this too, the alternator belt rides back and forth on the idler pulley,I would think it left the factory doing this, anyone else seen this or corrected it?
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post #2 of 10 (permalink) Old 06-10-2004, 06:45 PM
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No replies after 7 months? Mine wobble a hell of a lot more tha 1/16 of an inch. I get scared when I look at it the belts are centered and steady everywhere else. The vibration from the pulley shakes my entire engine. I think I am leaking from timing belt cover and power steering pump. Is my crankshaft going to break anything inside? How do I fix it? Thanks.
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post #3 of 10 (permalink) Old 06-10-2004, 07:39 PM
 
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My 3.5 crank pulley also wobbles, the engine is from a 97 with 65k, the old one with 120k also did this. It is pretty wobbly but I havent noticed any ill-effects yet, though I would imagine it couldn't be good for belts/crankshaft itself. Anyone?
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post #4 of 10 (permalink) Old 06-10-2004, 07:49 PM
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Quote:
Originally posted by 94ESKenny
My 3.5 crank pulley also wobbles, the engine is from a 97 with 65k, the old one with 120k also did this. It is pretty wobbly but I havent noticed any ill-effects yet, though I would imagine it couldn't be good for belts/crankshaft itself. Anyone?
mine also wobbles, always has, and probably always will unless some bigger problem manifests as a result.

It did throw my a/c belt once, which then got caught in the other belt. discovering no power steering when trying to change lanes at about 75mph isn't fun. but that was because the tension on the a/c belt was way loose.

I do have a friend with a mustang that had severe crank wobble, i'm talkin nearly an inch of travel. Eventully it screwed up his crank sensor and the car wouldn't run anymore. Though i've never heard of that in a LH...
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post #5 of 10 (permalink) Old 06-11-2004, 12:46 AM
 
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that pully is the heart of the motor. its supposed to be stable as a rock. if its off center it means your motor is slowly going out. it may last along time but its like hiv. its going to be dorment then one day the aids virus kicks in and bam critical condition for it.
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post #6 of 10 (permalink) Old 06-11-2004, 01:31 AM
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The only possible problem i can think of, is that its throwing things off balance, and it may cause premature bearing wear. I can't speak for the other members who experience pully wobble, but it's a front to back movement, not side to side. I really don't think this would cause too much of a balance issue
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post #7 of 10 (permalink) Old 06-11-2004, 08:10 AM
 
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My 2.7 does the same thing wobbles like crazy and when cold makes a noisy squeaky sound. Kind of embarassing. I was also quoted $350 to fix from chrysler.. yeah right! I'll go to a yard and pull one and install myself, should cost less than $50
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post #8 of 10 (permalink) Old 06-11-2004, 08:22 AM Thread Starter
 
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Well, its a stamped pulley from sheet metal, and I'm pretty sure the front main bearing is not ate out that much, but seems like sloppy quality control on manufacturers behalf.Also it's a bigger pulley than my other vehicles, we bought the car last year, looked at many and most wobbled.It threw the belt one night and my son limped it home, we looked for the idler in the ditch, had to buy a new one, the belt polished the paint off the new idler quickly due to this action. I wonder if a block of wood and a smartly smacked hammer would help, or removal and chucking it up in a lathe , then smacking it with a hammer would be the ticket to a fix, I refuse to believe the crankshaft is in trouble. ( my airplane uses a VW engine and where the generator pulley was removed it now has a propeller hub! crankshafts are tough) but we really like the car! keep the thinking caps on...radbaddad
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post #9 of 10 (permalink) Old 06-11-2004, 08:22 AM
 
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Yes, mine is also a front-to-back wobble not side-to-side. A few people with LH 3.5's that I know also have the same problem, and they don't seem to have any ill effects either. I can see how it will eventually screw stuff up, but if it starts to get bad then it'll probably be new motor time anyway...
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post #10 of 10 (permalink) Old 06-11-2004, 11:48 AM
 
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Radbaddad;
Check out this link to the Factory Service Manual-Like it says, BIG FILE! but deserves space for answers to everything.
Engine section explains what is needed to change the crank pulley- it CAN be a B**ch!
https://www.dodgeintrepid.net/forums/...threadid=26491
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