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Vibration and noise in front end


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I am new to this, so here goes. I have upgraded from a 1995 STS that my son now drives to a 2001 STS.

I have a vibration in the front end around 70 MPH. I have replaced the two wheel bearings that made the noise almost go away.

When replacing the left side bearing I saw grease coming from the CVC boot, checked it for holes found none. It looks like its leaking around the side closest to the trany. It fell like there was a lot of play in it. Do I have to change both CV Half Shaft Assemblies at the time, and how hard is it to do.

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If the boot is throwing grease you can be assured that there is a rip somewhere. I have changed a boot once. It was a filthy, greasy, PITA job. If I had to do it again I'd change the entire half shaft. If you did the bearings, you can probably do this. There is a retainer of some sort at the trans side that is a little tricky as I recall, but I'll let someone who has done it comment further.

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Thanks, Ranger

I was looking in the Chilton manual, and I didn't see anything about a retainer, I was thinking there should be one also.

Is it possible to get a bad new wheel bearing, the one on the driver side seem to be making noise. Used an after market brand called National. Guess I should wait till I change the CV Half Shaft Assembly on the left side first.

David

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Chiltons and Haynes manual make good liners for parakeet cages (too coarse for toilet paper). A FSM by Helm Inc. is what you want. I suppose anything it possible. Do some "S" turns like a NASCAR driver warming his tires. A bad bearing will growl louder when loaded and quiet down when unloaded.

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Chiltons and Haynes manual make good liners for parakeet cages (too coarse for toilet paper). A FSM by Helm Inc. is what you want. I suppose anything it possible. Do some "S" turns like a NASCAR driver warming his tires. A bad bearing will growl louder when loaded and quiet down when unloaded.

Thats good Ranger :lol: I usually say they make good kindling...

The axle snaps into the transaxle if its the same as the 96, use a pry bar and it will pop out

Pre-1995 - DTC codes OBD1  >>

1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm

How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/

Cadillac History & Specifications Year by Year  http://www.motorera.com/cadillac/index.htm

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Chiltons and Haynes manual make good liners for parakeet cages (too coarse for toilet paper). A FSM by Helm Inc. is what you want. I suppose anything it possible. Do some "S" turns like a NASCAR driver warming his tires. A bad bearing will growl louder when loaded and quiet down when unloaded.

Thats good Ranger :lol: I usually say they make good kindling...

The axle snaps into the transaxle if its the same as the 96, use a pry bar and it will pop out

So let me get this straight there is no snap ring or locking device, and were do I get a FSM?

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There is a ring on the end of the axle that pops into a groove inside the transaxle, when you put a prybar and pry out the axle it will pop out of the groove, there is NO snapring or retainer to remove to get the axle out

You can get a FSM on EBAY or from helmsinc.com

Pre-1995 - DTC codes OBD1  >>

1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm

How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/

Cadillac History & Specifications Year by Year  http://www.motorera.com/cadillac/index.htm

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