Rear Hub Trouble
Thread Starter
Burning Brakes
Joined: Sep 2004
Posts: 1,011
Likes: 0
From: Texarkana TX
Rear Hub Trouble
Can a bad rear hub make noise through the half shaft? I am having this strange noise and I can not pin point it. It is loud enough to bother me. I spent 1/2 day with my father replacing the right side inner and outer u joints. I thought I had solved my problem of this creaking noise but no! 
This was sad for both of us. We now believe the noise is coming from the rear hub...but we can't be sure. We know for a fact that it is not coming from any brake part. What could this noise be? It happens when I put the car in gear from park to drive, reverse to drive, etc, low speeds (0-8 mph), and when I grab the tire while the car is on the ground (and in park) and I shake it left and right (the way of rotation). If I try to move the tire up and down, there is no noise. Any insight will help me.
B.
This was sad for both of us. We now believe the noise is coming from the rear hub...but we can't be sure. We know for a fact that it is not coming from any brake part. What could this noise be? It happens when I put the car in gear from park to drive, reverse to drive, etc, low speeds (0-8 mph), and when I grab the tire while the car is on the ground (and in park) and I shake it left and right (the way of rotation). If I try to move the tire up and down, there is no noise. Any insight will help me. B.
Burning Brakes
Joined: Oct 2002
Posts: 983
Likes: 1
From: Bergen County NJ
Since you did your U-joints, I bet you can do the hub also. You'll need a 36mm socket to get the spindle nut off and a torx-55 to get the 3 bolts that secure the hub. You'll need an assortment of ratchet extensions and universal joints to be able to get to the 3 torx bolts, unless you pull the halfshafts out first.
Heel & Toe
Joined: Apr 2005
Posts: 18
Likes: 0
I'm having the exact same situation on my '95. My mechanic switched out the U joints (thinking the same as you), but it didn't help at all (except empty my wallet of $500). Please post your findings once you've tried this. It would be a huge help!!
Thread Starter
Burning Brakes
Joined: Sep 2004
Posts: 1,011
Likes: 0
From: Texarkana TX
Originally Posted by krex 725
I'm having the exact same situation on my '95. My mechanic switched out the U joints (thinking the same as you), but it didn't help at all (except empty my wallet of $500). Please post your findings once you've tried this. It would be a huge help!!
B.
Drifting
Joined: Oct 2003
Posts: 1,594
Likes: 0
From: CALGARY ab
Originally Posted by BigTexas
Can a bad rear hub make noise through the half shaft? I am having this strange noise and I can not pin point it. It is loud enough to bother me. I spent 1/2 day with my father replacing the right side inner and outer u joints. I thought I had solved my problem of this creaking noise but no! This was sad for both of us. We now believe the noise is coming from the rear hub...but we can't be sure. We know for a fact that it is not coming from any brake part. What could this noise be? It happens when I put the car in gear from park to drive, reverse to drive, etc, low speeds (0-8 mph), and when I grab the tire while the car is on the ground (and in park) and I shake it left and right (the way of rotation). If I try to move the tire up and down, there is no noise. Any insight will help me.
B.
This was sad for both of us. We now believe the noise is coming from the rear hub...but we can't be sure. We know for a fact that it is not coming from any brake part. What could this noise be? It happens when I put the car in gear from park to drive, reverse to drive, etc, low speeds (0-8 mph), and when I grab the tire while the car is on the ground (and in park) and I shake it left and right (the way of rotation). If I try to move the tire up and down, there is no noise. Any insight will help me. B.
If your C4 is 88 or 89. a recall by the general was issused in may of 1990 Campaiagn number #89C17A, #89C17, inspect. replace rear tie-rod, inner tie may fracture with out warning. these recalls be must be repaired regardless of age or current ownership at no charge.
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Race Director
Joined: Aug 2003
Posts: 13,421
Likes: 8
From: Lake Mary Florida
Uh your not talking about the momentary noise heard after each ignition cycle and you backup or move forward?
The EBTCM (electronic brake and traction control module) performs an automatic test (called the Self Test) when the vehicle reaches 7km/h (4 mph) in either forward or reverse. This occurs once each ignition cycle. The self test cycles each valve solenoid and the pump motor (as well as the necessary relays) to check component operation. If any error is detected, the EBTCM will set a Diagnostic Trouble Code (DTC). The self test may be heard and felt while it is taking place, and is a normal mode of operation.
The EBTCM (electronic brake and traction control module) performs an automatic test (called the Self Test) when the vehicle reaches 7km/h (4 mph) in either forward or reverse. This occurs once each ignition cycle. The self test cycles each valve solenoid and the pump motor (as well as the necessary relays) to check component operation. If any error is detected, the EBTCM will set a Diagnostic Trouble Code (DTC). The self test may be heard and felt while it is taking place, and is a normal mode of operation.
Heel & Toe
Joined: Apr 2005
Posts: 18
Likes: 0
Originally Posted by BigTexas
Ok, I will. You're going to have to help me keep this thread toward the top though! Just put "TTT" if it gets to the bottom. I may try to do this or look at it on Tuesday (tomorrow). If so, I will tell you what I saw.
B.
B.
I have "subscribed" to this thread, so I will be sure to bring it back up if I haven't seen you update it. I have high hopes for your success, because my mechanic shop is still looking for the culprit of the sounds.
Heel & Toe
Joined: Apr 2005
Posts: 18
Likes: 0
Originally Posted by 93JetJocky
Uh your not talking about the momentary noise heard after each ignition cycle and you backup or move forward?
The EBTCM (electronic brake and traction control module) performs an automatic test (called the Self Test) when the vehicle reaches 7km/h (4 mph) in either forward or reverse. This occurs once each ignition cycle. The self test cycles each valve solenoid and the pump motor (as well as the necessary relays) to check component operation. If any error is detected, the EBTCM will set a Diagnostic Trouble Code (DTC). The self test may be heard and felt while it is taking place, and is a normal mode of operation.
The EBTCM (electronic brake and traction control module) performs an automatic test (called the Self Test) when the vehicle reaches 7km/h (4 mph) in either forward or reverse. This occurs once each ignition cycle. The self test cycles each valve solenoid and the pump motor (as well as the necessary relays) to check component operation. If any error is detected, the EBTCM will set a Diagnostic Trouble Code (DTC). The self test may be heard and felt while it is taking place, and is a normal mode of operation.
It sounds like a pipe hitting something or a piece of metal falling out of place inside the back wheel assembly/axle/etc.
Race Director
Joined: Aug 2003
Posts: 13,421
Likes: 8
From: Lake Mary Florida
What I described definitely does not fit your symptoms. But BigTexas's indicated something more similar to the EBTCM self test.
Have you considered putting the rear end up, having someone lightly hold the brake while in gear and inspect what is actually going on? I would before I throw any more money at it. It definitely sounds like a warning sign of impending failure.
Have you considered putting the rear end up, having someone lightly hold the brake while in gear and inspect what is actually going on? I would before I throw any more money at it. It definitely sounds like a warning sign of impending failure.
Instructor
Joined: Mar 2005
Posts: 104
Likes: 0
From: iowa
coincidence this came up today.. i was having right rear noises on my 95 also.. today i pulled the halfshaft thinking that the U joints must be the noises im getting. Now that you all are talking about the hub..im thinking im going to check it too. two noises im getting are this.. a squeak at the speed of the wheel while cruising along. and when the car is sitting in park..if i roll the car a little..that right rear wheel makes a terrible scratching noise.. im pulling the hub apart tomarrow. the brakes i allready replaced last year. so im going to be watching this thread tomarrow also. any links out there for hub disasembly? 
Melting Slicks
Joined: Nov 2004
Posts: 2,348
Likes: 0
From: Belews Creek north carolina
St. Jude Donor '05
my left rear hub is growling new one is on the way it makes a very annoying noise. but eases up when you go around an outside curve usually the universals will make a clicking noise when you get alot of pressure on them like making a sharp turn i would say it is your hub 
Thread Starter
Burning Brakes
Joined: Sep 2004
Posts: 1,011
Likes: 0
From: Texarkana TX
Originally Posted by myvettesblue
...new one is on the way...
I will let everyone know what happens. Hopefully, I can get to this on Saturday, 4-16.
B.
Racer
Joined: Feb 2004
Posts: 428
Likes: 0
From: Morgantown WV
Sounds like a probable bad hub to me. Had both of mine go bad. Would make a crunching noise whenever starting off. Did not have any play. I changed out the U joints with no improvement. Changed out one hub only to discover the other one was doing the same thing. Changed it out and it went away. Pain in the butt to change but definitely can be changed by the average person. A little expensive but if they are not bad now, they will be someday so I would change them. I have heard alot of them going bad over my couple of years on the forum and almost everytime a bad hub has been the problem, not the U-Joints. Would bet money on the hub going bad. If you are unsure give it a little time. I promise you it will get worse and will be easier to figure out for sure!