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Username Post: 2006 Malibu ABS and steering issues        (Topic#362948)
rockfangd 
"7th Year" Gold Supporting Member
Posts: 2978
rockfangd
Age: 34
Loc: Utica ny
Reg: 04-13-10
10-17-20 07:39 PM - Post#2805667    

Hi All.
My mother has a 2006 Malibu. 3.5l
It has been having ABS troubles for awhile now.
First it was the RF.
I changed the harness to the RF hub and problem was gone for a short while (year or so)
Then problem came back. Now showed LF. I replaced the LF harness.
Took it out and drove it and LF is resolved but now RF is showing tone ring issues.
Also had a rear code but did not specify a side...
It is dangerous with these issues as when you try to stop, the pedal just pushes back and the car does not slow well. Every time the key is cycled the lights go out, wont come back on until wheel speed is over 20 mph.
Also last week I accelerated after a curve on the highway and it felt like the steering was locked. It aimed right for the guide rail until I let off the throttle, then it steered normally...
I was able to duplicate it more than once. Also very dangerous. I thought maybe the fluid was low but it does not have fluid. It has electric steering.
I am wondering if the ABS issue has anything to do with the steering issue.
I am ordering a hub assembly for the RF in hopes to resolve the front issues.
When the steering issues happen there is no warning of any kind. Just gone until you let off throttle.
Any insight on this one? Has just over 60k miles on it

Old School GM fan FOREVER


Edited by rockfangd on 10-17-20 07:52 PM. Reason for edit: No reason given.

 




Shepherd 
Frequent Contributor
Posts: 2177

Loc: Lake George, NY
Reg: 11-11-15
10-18-20 12:59 PM - Post#2805705    
    In response to rockfangd

It looks like there is a tsb for steering lock up, Google the condition to find it. You should try and get an abs function scanner on it and look at wheel speed inputs from the sensors. You could disable the system temporarily to return to normal braking.




 
rockfangd 
"7th Year" Gold Supporting Member
Posts: 2978
rockfangd
Age: 34
Loc: Utica ny
Reg: 04-13-10
10-18-20 06:36 PM - Post#2805724    
    In response to Shepherd

I have had my scantool on it. All 4 seemed to read normal.
Typically with a failing wheel speed sensor the bad one will drop to 0mph before the rest. This one strangely did not.
I tried disabling the ABS temporarily but it causes the Brake light to stay on as well.
As for the TSB for the coil ground I am looking into it.
Thank you very much

Old School GM fan FOREVER


 
rockfangd 
"7th Year" Gold Supporting Member
Posts: 2978
rockfangd
Age: 34
Loc: Utica ny
Reg: 04-13-10
10-24-20 06:21 PM - Post#2806124    
    In response to rockfangd

So today I replaced the right front hub.
The speed sensor portion was shot. The tone ring was paper thin in certain spots, which explains the signal loss.
Cleared codes. Drove it. Now it says left front.
Ordered the left one tonight

Old School GM fan FOREVER


 




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