Vibration on light throttle from 60+
#1
Vibration on light throttle from 60+
I've been trying to figure out this issue for quite some time and I can't seem to figure it out. I done tons of searching to no avail. Hopefully somebody has ran into this issue and can help me out. The closest post I found was from Blippy and I have yet to get a hold of him. Anyways...
I have a vibration while driving pass 60+ mph. This vibration only happens on light throttle(<25%). If I step on the gas 30%+ or let off, the vibration goes away. I just recently replaced the motor/trans/diff mounts. I may have had this issue before replacing the mounts but it became apparent after the mounts. I am leaning towards something being bad in the transmission/clutch, but correct me if I am wrong.
Any help to troubleshoot and narrow this problem down would be greatly appreciated.
Thank!
Info:
2002 AP1 CTSC w/ FMIC
80K Miles
AP2 Trans ACT Pressure plate, oem disc, CT flywheel
4.57 Diff
17x7.5 +43 225/17
17x9 +63 255/17
I have a vibration while driving pass 60+ mph. This vibration only happens on light throttle(<25%). If I step on the gas 30%+ or let off, the vibration goes away. I just recently replaced the motor/trans/diff mounts. I may have had this issue before replacing the mounts but it became apparent after the mounts. I am leaning towards something being bad in the transmission/clutch, but correct me if I am wrong.
Any help to troubleshoot and narrow this problem down would be greatly appreciated.
Thank!
Info:
2002 AP1 CTSC w/ FMIC
80K Miles
AP2 Trans ACT Pressure plate, oem disc, CT flywheel
4.57 Diff
17x7.5 +43 225/17
17x9 +63 255/17
#5
If this is an issue caused by the CV buckets, shouldn't the vibration get worst upon harder acceleration? The tires looks to have even wear but I have not rechecked for balance. The last time it was balanced was when I replaced all four tires(with new ones) at once and had an alignment done right after. My wheels are Volks CE28's. No hubcentric rings.
#6
For example; When cups wear - Add spacers, then remove spacers and swap cups, then add spacers to the swapped cups. I'm on the last config current with over 200k on my original half shafts. The first two configs got me about 50k miles before vibration started in again.
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