Creaking Noise - Need Advice
#1
Registered User
Thread Starter
Creaking Noise - Need Advice
Hello,
I recently developed this awful annoying creaking noise from the passenger rear of my 2003 350z.
Diagnostic Information/Tests:
- No noise is heard when vehicle is on jack stands - noise only happens under load
- No noise in reverse, only forward gears at all speeds
- Applying brakes while driving does not stop noise
- Pulling e-brake up while driving does not stop noise
- Brakes do not drag
- Wheel moves freely when e-brake is not applied
Here's whats been done:
- New wheel bearing (MOOG) approximately 90 miles on new wheel bearing before noise started
- Caliper has been rebuilt - does not stick
- New pads and rotors (show no sign of wear at this time)
- E-brake has been adjusted
- E-brake hardware and shoes has been removed, inspected and cleaned
- Rear spring has been removed, inspected, cleaned and greased
- Greased and inspected rear ball joints - Inspected, cleaned and greased all mounting inserts
- Backing plate has been cleaned and pushed back in case it was rubbing on rotor
Here is a video -
I am about to lose my sh*t with this noise. Nothing gets hot after driving, even at highway speeds. I was hoping at this rate, if I took the car out somewhere and beat it SOMETHING would break and I would finally figure it out. But no, no abnormal wear, no heat, no groves in the rotor, nothing loose, can't figure it out. Maybe new wheel bearing is already bad? Any advice on what I can check next is appreciated!
I recently developed this awful annoying creaking noise from the passenger rear of my 2003 350z.
Diagnostic Information/Tests:
- No noise is heard when vehicle is on jack stands - noise only happens under load
- No noise in reverse, only forward gears at all speeds
- Applying brakes while driving does not stop noise
- Pulling e-brake up while driving does not stop noise
- Brakes do not drag
- Wheel moves freely when e-brake is not applied
Here's whats been done:
- New wheel bearing (MOOG) approximately 90 miles on new wheel bearing before noise started
- Caliper has been rebuilt - does not stick
- New pads and rotors (show no sign of wear at this time)
- E-brake has been adjusted
- E-brake hardware and shoes has been removed, inspected and cleaned
- Rear spring has been removed, inspected, cleaned and greased
- Greased and inspected rear ball joints - Inspected, cleaned and greased all mounting inserts
- Backing plate has been cleaned and pushed back in case it was rubbing on rotor
Here is a video -
I am about to lose my sh*t with this noise. Nothing gets hot after driving, even at highway speeds. I was hoping at this rate, if I took the car out somewhere and beat it SOMETHING would break and I would finally figure it out. But no, no abnormal wear, no heat, no groves in the rotor, nothing loose, can't figure it out. Maybe new wheel bearing is already bad? Any advice on what I can check next is appreciated!
#2
New Member
Sounds like it could be the typical creaking axle syndrome.. There's a Technical Service Bulletin about this. Could be that new bearing too, but I don't think so cause it only happens under load and in one direction.. The TSB calls for the axle to be removed, regreased, then reassembled. However, since yours only happens in one direction, one or more of the splines could be deformed. Or it's just dry as hell.. Do you have the base model Z with the open diff?
#3
New Member
iTrader: (15)
Creaking in the rear axle is usually caused by the end links, the TSB for lubing the axle splines is a metallic ticking/tinging noise, nothing like this.
What I think may be going on here is that the axle nut wasnt tightened properly and I bet if you lifted the wheel you would notice a lot of play. I have seen this several times before.
What I think may be going on here is that the axle nut wasnt tightened properly and I bet if you lifted the wheel you would notice a lot of play. I have seen this several times before.
#4
Registered User
Thread Starter
Creaking in the rear axle is usually caused by the end links, the TSB for lubing the axle splines is a metallic ticking/tinging noise, nothing like this.
What I think may be going on here is that the axle nut wasnt tightened properly and I bet if you lifted the wheel you would notice a lot of play. I have seen this several times before.
What I think may be going on here is that the axle nut wasnt tightened properly and I bet if you lifted the wheel you would notice a lot of play. I have seen this several times before.
#6
New Member
iTrader: (1)
Interesting noise. It's definitely NOT the infamous axle clicking issue on the 350z, that's for sure since I have it and have watched many videos where it sounds exactly the same.
After all you've done I would probably take it to an honest shop that will understand everything you have done and not charge you extra to do it all over again.
I have a rattle that I just can't get rid of and it's driving me nuts, and I have read every damn thread.
After all you've done I would probably take it to an honest shop that will understand everything you have done and not charge you extra to do it all over again.
I have a rattle that I just can't get rid of and it's driving me nuts, and I have read every damn thread.
#7
Registered User
Thread Starter
*Drum Roll Please*
I have found the issue! I am fairly mechanically inclined so not being able to figure this out felt like the death of me. I was planning on throwing in a new axle but gave the current one another good look over, for the third time. What I found was when I get at eye level with the dust shield that covers the back of the wheel bearing, there was an ever so slight bend in the shied. I didn't think this was the issue for I didn't notice any excessive wear on the hub nor the shield but when I bent it back and installed it, the noise was gone!
woot woot!
I have found the issue! I am fairly mechanically inclined so not being able to figure this out felt like the death of me. I was planning on throwing in a new axle but gave the current one another good look over, for the third time. What I found was when I get at eye level with the dust shield that covers the back of the wheel bearing, there was an ever so slight bend in the shied. I didn't think this was the issue for I didn't notice any excessive wear on the hub nor the shield but when I bent it back and installed it, the noise was gone!
woot woot!
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#9
New Member
Have you checked for bends in the dust shield that covers the back of the wheel bearing?
Just kidding.
I could write a book about looking for noises coming from the rear end of the car.
Glad you were able to figure it out
Just kidding.
I could write a book about looking for noises coming from the rear end of the car.
Glad you were able to figure it out
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