blistovmhz
NAXJA Forum User
- Location
- Vancouver, BC
98 XJ, wj knuckles, 1 ton x-over, RC long arms
Been chasing a clunk in the front end on/off for years unsuccessfully.
Everything in the front end has been replaced several times over the years. Problem remains. All the TRE's are solid, steering box tight, track bar tight, new SKF unis just installed, new calipers/rotors. Lower CA joints have both been disassembled many times and always look good. Uppers I haven't actually pulled apart, but they feel very tight.
Driving over hard bumps at any speed results in horrible clunk (happens on every speed bump). Occurs while wheeling as well, but only on really choppy stuff. Doesn't clunk on anything big, or anything very small. It's just speed bump sized stuff that kills me.
For years, I've noticed that it doesn't happen nearly as often, or is muffled, when wheeling down a steep incline, but only recently realized that it's because I'm on the brakes. Any time I'm on the brakes, the clunk is gone, or very muted, which makes me suspect the upper CA joints are blown internally, or maybe something real silly like the front/axle side bolts aren't large enough diameter and the axle is rolling. Never notice anything suspect on video. Had a camera under the Jeep several times and never see anything.
I'm about to go lay in the mud/rain soaked driveway to pull apart my front end for the 30th time or so. Anyone have a brilliant answer to save me some time?
Been chasing a clunk in the front end on/off for years unsuccessfully.
Everything in the front end has been replaced several times over the years. Problem remains. All the TRE's are solid, steering box tight, track bar tight, new SKF unis just installed, new calipers/rotors. Lower CA joints have both been disassembled many times and always look good. Uppers I haven't actually pulled apart, but they feel very tight.
Driving over hard bumps at any speed results in horrible clunk (happens on every speed bump). Occurs while wheeling as well, but only on really choppy stuff. Doesn't clunk on anything big, or anything very small. It's just speed bump sized stuff that kills me.
For years, I've noticed that it doesn't happen nearly as often, or is muffled, when wheeling down a steep incline, but only recently realized that it's because I'm on the brakes. Any time I'm on the brakes, the clunk is gone, or very muted, which makes me suspect the upper CA joints are blown internally, or maybe something real silly like the front/axle side bolts aren't large enough diameter and the axle is rolling. Never notice anything suspect on video. Had a camera under the Jeep several times and never see anything.
I'm about to go lay in the mud/rain soaked driveway to pull apart my front end for the 30th time or so. Anyone have a brilliant answer to save me some time?