Pulley loose and sweaking bad - JeepForum.com

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post #1 of 16 Old 07-22-2009, 08:58 PM Thread Starter
SGT Superman
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Pulley loose and sweaking bad

My wife's 2000 Grand started squeaking today, The belt has moved back on the center pulley and the center pulley is loose when I take pressure off the belt.



So do I need a new pulley?

Any help is appreciated.


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post #2 of 16 Old 07-22-2009, 09:48 PM
elmer_fud
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what pulley are you talking about?

if you are talking about the water pump and it moves in and out it needs replaced IMMEDIATELY. if you don't replace it it is going to go out soon and leave you stranded.

if it is an ideler or tensioner pulley you should still replace it soon. movement and squeaking indicate it is worn out

Brian
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Quote:
Originally Posted by Speedycat View Post
I am not one to be changing lanes at 70 mph on a lifted truck on 33's, but since I am in Miami, I have to be prepared for the continuous influx of new drivers whose previous ride was a bicycle with wooden wheels.
Quote:
Originally Posted by FPKites View Post
badger, badger, badger, badger, badger, badger, badger, badger, badger, badger, badger, Mushroom!!! :D
Quote:
Originally Posted by ZeeJay1997 View Post
Or just tie a 12 lb fish to a one foot pipe.
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post #3 of 16 Old 07-22-2009, 09:54 PM Thread Starter
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Its the one in the picture, I think the crank pulley. From what I have found on another site it sounds like my harmonic damper needs replaced.

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post #4 of 16 Old 07-22-2009, 10:00 PM
elmer_fud
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Quote:
Originally Posted by SGT Superman View Post
Its the one in the picture, I think the crank pulley. From what I have found on another site it sounds like my harmonic damper needs replaced.
where are you taking the picture from?

above or below or the side

the water pump is above the harmonic balencer. It could be the harmonic balencer needs replaced thoug

Brian
95 ZJ, 5.2 V8,160,000 miles
Colorado Jeep Club member Pi
Quote:
Originally Posted by Speedycat View Post
I am not one to be changing lanes at 70 mph on a lifted truck on 33's, but since I am in Miami, I have to be prepared for the continuous influx of new drivers whose previous ride was a bicycle with wooden wheels.
Quote:
Originally Posted by FPKites View Post
badger, badger, badger, badger, badger, badger, badger, badger, badger, badger, badger, Mushroom!!! :D
Quote:
Originally Posted by ZeeJay1997 View Post
Or just tie a 12 lb fish to a one foot pipe.
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post #5 of 16 Old 07-22-2009, 10:20 PM Thread Starter
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From above, off to the side a bit. It is the very center pulley.

Edit: I think you are right, it is the water pump pulley.

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post #6 of 16 Old 07-22-2009, 10:31 PM
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Yea, that's the water pump in that picture.
If the pulley is movable, and the bolts are tight, you need to replace it NOW, before it lets go, and parts fling all over your engine compartment, taking out the radiator, and anything else the shrapnel bounces off of..

That belt doesn't look too good either. replace it at the same time.

'09 Rubicon
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post #7 of 16 Old 07-22-2009, 10:55 PM Thread Starter
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Don't worry, it is parked and won't move again until it is fixed.

I have looked around a bit and can't find a write-up for the 4.0 2000 WJ water pump, but I did find a write up on stu-offroad for a TJ. That should be almost the same thing right?

Any special tools I need?

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post #8 of 16 Old 07-22-2009, 11:03 PM
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its going to be pretty much the same procedure for all 4.0s.

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post #9 of 16 Old 07-22-2009, 11:05 PM
sandman
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go buy a haynes manual and this link may help.

http://jeephorizons.com/phpbb/viewtopic.php?t=14090

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post #10 of 16 Old 07-22-2009, 11:39 PM Thread Starter
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Thanks for the link sandman.

The silver lining in this is that my TJ has recently started to leak antifreeze from an unknown location, but because of this i now know it is coming from the water pump, looks like I will be busy the next few days.

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post #11 of 16 Old 07-29-2009, 09:49 AM Thread Starter
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I changed out the water pump in my wife's WJ and she is complaining about the oil pressure and temp fluctuating slightly, and it never did it before I replaced the water pump. ANy ideas of what that could be?

I replaced the water pump in my TJ and all is perfect.

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post #12 of 16 Old 07-29-2009, 01:17 PM
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Quote:
Originally Posted by SGT Superman View Post
I changed out the water pump in my wife's WJ and she is complaining about the oil pressure and temp fluctuating slightly, and it never did it before I replaced the water pump. ANy ideas of what that could be?

I replaced the water pump in my TJ and all is perfect.
how much is it fluctuating?

the oil pressure will fluctuate a bit based on the engine speed

my temperature also fluctuates a bit depending on whether I am stopped or accelerating or something. It moves slowly though.

Brian
95 ZJ, 5.2 V8,160,000 miles
Colorado Jeep Club member Pi
Quote:
Originally Posted by Speedycat View Post
I am not one to be changing lanes at 70 mph on a lifted truck on 33's, but since I am in Miami, I have to be prepared for the continuous influx of new drivers whose previous ride was a bicycle with wooden wheels.
Quote:
Originally Posted by FPKites View Post
badger, badger, badger, badger, badger, badger, badger, badger, badger, badger, badger, Mushroom!!! :D
Quote:
Originally Posted by ZeeJay1997 View Post
Or just tie a 12 lb fish to a one foot pipe.
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post #13 of 16 Old 07-29-2009, 03:25 PM Thread Starter
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She says the goes from about 40 to 50 I think, and the temp goes up about 5 - 10 deg. But it has only happened since I replaced the water pump.

I don't think its a big deal, but I wanted to ask incase someone knew something.

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post #14 of 16 Old 07-29-2009, 04:19 PM
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oil pressure is ok, it is supposed to fluctuate with rpms, 40 at idle or below 2krpms is good, 50 at acceleration is good as well.
the temp is probably fluctuating because the coolant is moving correctly again.

i'd suggest you have a ride in it for a while to see what it's really doing. it's been my experience that even the most intelligent women have a difficult time relating pertinent info to the men they expect to fix things.

'97 zj 5.2, some stuff, some other suff, and some things that even work sometimes.

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post #15 of 16 Old 07-29-2009, 07:41 PM
elmer_fud
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I wouldn't worry about that much fluctuation from the gages. I second you drive her jeep and see what is going on

Brian
95 ZJ, 5.2 V8,160,000 miles
Colorado Jeep Club member Pi
Quote:
Originally Posted by Speedycat View Post
I am not one to be changing lanes at 70 mph on a lifted truck on 33's, but since I am in Miami, I have to be prepared for the continuous influx of new drivers whose previous ride was a bicycle with wooden wheels.
Quote:
Originally Posted by FPKites View Post
badger, badger, badger, badger, badger, badger, badger, badger, badger, badger, badger, Mushroom!!! :D
Quote:
Originally Posted by ZeeJay1997 View Post
Or just tie a 12 lb fish to a one foot pipe.
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