Suspension Noise
12-09-2015, 10:33 PM
#1
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Location: Redlands, California
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Year: 1999
Model: Grand Cherokee
Engine: 4.7L
Suspension Noise
Just got the 100% stock '99 WJ limited with a VERY loose front end and totally worn out shocks. Replaced them, got it aligned and it's a thousand times better than when I drove it home but it still has a very loud "banging" or clanking sound if I take a bump too fast. Ball joints? The Jeep has 182000 and some of those was being towed behind a motorhome. I'm new to Jeeps but not to offroading and I'm anxious to get back onto the trail after almost 20 years of "life". Any help would be appreciated.
12-10-2015, 01:24 AM
#2
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Model: Cherokee
It could be the ball joints it could be any of the control arm bushings it could be the swaybar its hard to say with out seeing it in person.Crawl under it look for things that look wore out or scare you lol.
12-10-2015, 05:47 AM
#3
Old fart with a wrench
I'd say ball joints. My 2000 WJ's lower ball joints were shot at 170K miles. They were so bad the steering squeaked when turning at low speed in the cold. 0* and below. It would want to change lanes over bumps.
It makes me wonder how good your alignment is. Bearing hubs are another thing to look at.
It makes me wonder how good your alignment is. Bearing hubs are another thing to look at.
12-10-2015, 07:34 AM
#4
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Year: 1999
Model: Grand Cherokee
Engine: 4.7L
Okay. I'll replace the ball joints and sway bar bushings. Hell, maybe just replace all the stock rubber bushings with greasable polyurethane bushings. I plan on a mild lift, maybe 2.5 or 3 inches. No real rock crawling, just want to be prepared for most of what I might find on the dirt. Oh yeah. It does make a lot of noise over the lane bumps on the freeway. Thanks. I'll check in to let everyone know how it works.
12-10-2015, 04:51 PM
#5
Old fart with a wrench
WHAT? Greasable polyurathane? Why would you need grease with poly bushings? Good luck finding them.
12-10-2015, 07:30 PM
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Year: 1995
Model: Grand Cherokee
Engine: 4.0 with all of the noise and clatter
Poly bushings will give a more precise feel and handling, but at the cost of ride comfort. You'll also have less flex when off road.
12-13-2015, 10:28 PM
#7
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Year: 1999
Model: Grand Cherokee
Engine: 4.7L
People say they dont squeek like the non-greasable kind
"less flex... and compromised ride comfort". I suppose if I just replace the factory rubber type, that would suffice. probably good for another 100,000 miles?
Last edited by vimnjicki; 12-13-2015 at 10:31 PM. Reason: additional comment
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