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  #1  
Old 02-15-2013, 08:18 PM
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Coil spring isolators

When replacing springs, it is necessary to replace the coil spring isolators? I have purchased a new set of upcountry springs for my WJ and am on the fence about replacing the isolators. Has anyone replaced their springs with the old isolators?

My Jeep has 132,000 miles on it.

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2002 Jeep Grand Cherokee Limited 4.7l V8 Quadra-Drive
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Old 02-15-2013, 09:46 PM
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Re: Coil spring isolators

Steve as with anything new is probably better but unless you see some obvious damage I wouldn't worry about it. I reused mine.
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Old 02-15-2013, 10:07 PM
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Re: Coil spring isolators

It's like another 50 bucks for the set I'm frugal, but I'd go for it.
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Old 02-15-2013, 10:58 PM
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Re: Coil spring isolators

Where are they 50 bucks? The local auto parts have them, but uppers and lowers from and back are $194.
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2002 Jeep Grand Cherokee Limited 4.7l V8 Quadra-Drive
Wild Country XTX 245/65R17 tires on stock Avila rims
Quad-light mod, Transgo-HD2, SONNAX LB2
Bilstein 4600HD, JKS bar pin eliminators
Addco rear sway bar
R1Concepts drilled & slotted rotors, EBC Yellowstuff pads in front
Braided stainless steel brake lines
Infinity Reference 9633cf 6x9's, Kappa 63.9i 6.5", JBL 800GTi Sub in Bandpass box
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Old 02-16-2013, 01:29 AM
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Re: Coil spring isolators

I googled it, and came up with a bunch of them anywhere from 6 bucks each to 20.
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Old 02-16-2013, 08:00 AM
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Re: Coil spring isolators

I reused mine but only had 50k on them. Like cheap said if you don't have obvious damage probably ok. You may get a bit of a lift out of them by swapping them out with new ones due to wear and age.
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Old 02-16-2013, 05:09 PM
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Re: Coil spring isolators

Whatever you choose is up to you if you do decide to change them. If you go with the polyurethane I think you have to grease them.
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Old 02-17-2013, 12:18 AM
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Re: Coil spring isolators

I ended up ordering the coil spring isolators. I figured that it would be better than taking it apart and needing them. I am going to measure the height of the Jeep before and after to see how much It was sagging. I will measure from the ground to the fender and center of the wheel to fender.
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2002 Jeep Grand Cherokee Limited 4.7l V8 Quadra-Drive
Wild Country XTX 245/65R17 tires on stock Avila rims
Quad-light mod, Transgo-HD2, SONNAX LB2
Bilstein 4600HD, JKS bar pin eliminators
Addco rear sway bar
R1Concepts drilled & slotted rotors, EBC Yellowstuff pads in front
Braided stainless steel brake lines
Infinity Reference 9633cf 6x9's, Kappa 63.9i 6.5", JBL 800GTi Sub in Bandpass box
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Old 02-17-2013, 01:29 AM
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Re: Coil spring isolators

I'm glad you chose to do it once, and do it right everytime I don't I pay for it.
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Old 03-02-2013, 10:36 PM
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Re: Coil spring isolators

Glad I went with new isolators, the factory isolators had just about collapsed all around.


Before - crushed isolators, standard sagging springs
Ground to fender front
31.5"
Ground to fender rear
31"
Fender to center of wheel front
18"
Fender to center of wheel rear
17.5


After - new isolators, upcountry springs and airride air springs in the rear
Ground to fender front
33"
Ground to fender rear
33"

Fender to center of wheel front
19.5"
Fender to center of wheel rear
20"
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2002 Jeep Grand Cherokee Limited 4.7l V8 Quadra-Drive
Wild Country XTX 245/65R17 tires on stock Avila rims
Quad-light mod, Transgo-HD2, SONNAX LB2
Bilstein 4600HD, JKS bar pin eliminators
Addco rear sway bar
R1Concepts drilled & slotted rotors, EBC Yellowstuff pads in front
Braided stainless steel brake lines
Infinity Reference 9633cf 6x9's, Kappa 63.9i 6.5", JBL 800GTi Sub in Bandpass box
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Old 05-13-2013, 11:03 AM
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Re: Coil spring isolators

Quote:
Originally Posted by StephenE View Post
Glad I went with new isolators, the factory isolators had just about collapsed all around.

After - new isolators, upcountry springs and airride air springs in the rear
Ground to fender front
33"
Ground to fender rear
33"

Fender to center of wheel front
19.5"
Fender to center of wheel rear
20"
How do you like this setup? I am debating the UC springs and new isolators for the WJ this summer.
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Old 05-14-2013, 06:53 PM
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Re: Coil spring isolators

Quote:
Originally Posted by Trav1s View Post
How do you like this setup? I am debating the UC springs and new isolators for the WJ this summer.
I have been enjoying the ride since I put in the upcountry springs and air springs on the rear. I think that the WJ should have had the upcountry springs installed by default from the factory.
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2002 Jeep Grand Cherokee Limited 4.7l V8 Quadra-Drive
Wild Country XTX 245/65R17 tires on stock Avila rims
Quad-light mod, Transgo-HD2, SONNAX LB2
Bilstein 4600HD, JKS bar pin eliminators
Addco rear sway bar
R1Concepts drilled & slotted rotors, EBC Yellowstuff pads in front
Braided stainless steel brake lines
Infinity Reference 9633cf 6x9's, Kappa 63.9i 6.5", JBL 800GTi Sub in Bandpass box
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