Weird metal on metal sounds from rear
04-07-2018, 05:04 PM
#1
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Weird metal on metal sounds from rear
Hello guys!
So after I threw on my suspension i got a weird vibration from the rear and also a metal on metal humming sound but only while in gear. while coasting with my foot barely on the accelerator it starts at around 35 and it goes away when i accelerate, deccelarate and taking it out of gear. its been like this for about 7 months now i’ve gone through all the forums ans haven’t been able to find anything close to what is happening to my car.
00 grand prix white
-bc coils when it first started happening now on full airlift suspension
k&n intake
Things i’ve done so far:
axle spacers
swapped axle cup on drivers side
new axle on the passenger side
changed rear wheels bearings
changed diff fluid (had small bits of metal)
changed transmission fluid
alignment
rebalanced wheels 3 times
torqued axles nuts
retorqued lug nuts
After doing all this the vibration has gone away a little bit and noise has gotten a bit more silent but defintely still noticeable. I really don’t know what else to try and its driving me crazy so if anybody can shine some light I would greatly appreciate it
So after I threw on my suspension i got a weird vibration from the rear and also a metal on metal humming sound but only while in gear. while coasting with my foot barely on the accelerator it starts at around 35 and it goes away when i accelerate, deccelarate and taking it out of gear. its been like this for about 7 months now i’ve gone through all the forums ans haven’t been able to find anything close to what is happening to my car.
00 grand prix white
-bc coils when it first started happening now on full airlift suspension
k&n intake
Things i’ve done so far:
axle spacers
swapped axle cup on drivers side
new axle on the passenger side
changed rear wheels bearings
changed diff fluid (had small bits of metal)
changed transmission fluid
alignment
rebalanced wheels 3 times
torqued axles nuts
retorqued lug nuts
After doing all this the vibration has gone away a little bit and noise has gotten a bit more silent but defintely still noticeable. I really don’t know what else to try and its driving me crazy so if anybody can shine some light I would greatly appreciate it
Last edited by Steven_illest; 04-08-2018 at 11:31 AM.
04-08-2018, 05:53 AM
#3
Holy run on sentence and shot gun troubleshooting Batman!
Suggestion. Learn how to narrow down what is causing a problem, instead of just randomly performing known issue fixes that may not be relevant. Often this involves trying things while driving, and finding ways to rule out a given issue.
Suggestion. Learn how to narrow down what is causing a problem, instead of just randomly performing known issue fixes that may not be relevant. Often this involves trying things while driving, and finding ways to rule out a given issue.
04-08-2018, 11:29 AM
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I’ve had the car up on jack stands and ran the car up to 60 and noticed that it would start to vibrate violently. But when i look under everything looks to be fine i don’t see anything odd or out of place. What I have noticed is that its coming from the rear right side.
04-08-2018, 11:32 AM
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04-09-2018, 03:13 AM
#8
04-09-2018, 11:58 AM
#9
Sounds like a buzz/humm/beehive/grinding or something, hard to explain.
04-09-2018, 10:59 PM
#10