1993 wheel bearings - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 10-14-2003, 01:43 PM   #1
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Default 1993 wheel bearings

I'm new here & this is my first post! I have a 1993 SSE that I took to a mechanic because of a constant vibration sound in the front end that began just after the brakes were done a few weeks ago. The sound gets higher pitched the faster you drive. This sound is more severe when turning the steering wheel to the left...the sound goes away when turning the wheel to the right. The mechanic told me that the front wheel bearing need to be replaced & they include the ABS. What does this mean? I thought that wheel bearings & the ABS system were completely seperate.
Thanks in advance for any comments on this subject.

John
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Old 10-14-2003, 02:09 PM   #2
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ABS speed sensor is inside the bearing.
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Old 10-22-2003, 02:23 AM   #3
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Yep, just replaced one of mine Sunday. Original lasted for 230,000 miles. You'll need a 34mm socket for axle nut, a torx #55 for hub mount screws, and probably a hammer to knock loose from spindle.
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Old 10-22-2003, 03:04 AM   #4
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Im gunna do the same...my wheel speed sensor is toast....can you or someone go into detailed instruction on how to do so...ive looked in the techinfo but i dont remember finding anything.
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Old 10-23-2003, 02:31 AM   #5
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No problem. 1)Jack up to clear tire.
2) Remove tire.
3)Use 3/8 allen to remove 2 brake caliper bolts.
4) suspend caliper by string or wire from coil spring (this helps keep brake hose from being damaged). And remove rotor.
5) Remove 34mm axle nut
6) Put car in neutral so you can rotate axle to remove three hub mounting screws (torx #55 in my 93 ssei).
7) Unplug speed sensor and Remove sheet metal shield.
Use puller to loosen shaft spline inside hub.
9) I had to use hammer to remove hub.
10) Sand paper inside spindle to give new hub a good mating surface.
11) Start new hub into spindle (WIRE NEEDS TO BE IN ONE O'CLOCK POSITION!!!) and pull in with the mounting screws. Keep screws even and don't forget the sheet metal shield.
12) I use LARGE pliers to collapse caliper piston so it'* easier to get back on rotor
13) Plug in new sensor terminal and reassemble rest.
14) Pump brake pedal a few to seat pads.
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