how to replace rear wheel bearings

sandiegostang · Jan 2, 2012

I have a 2000 GT and I keep hearing a wierd sound coming from the rear of the car when i am cruising. The best way i can describe the sound is that it sounds like a helicopter hovering. i believe it is the wheel bearings but i havent heard of them going out on the rear of a mustang before. How do i replace the bearings or could it possibly be something else?

trinity_gt · Jan 2, 2012

Bearing replacement goes something like this:

jack up the car and put it on stands
remove the wheels
remove the brake calipers (don't disconnect hydraulics) and caliper brackets
remove the differential cover and drain the fluid
remove the spider pin retaining bolt and remove the pin
push the axles in enough to disengage the 'C' clip and remove the clip from the axles
pull the axles from the housing
use a slide hammer and yank the old bearings and seals from the housing
inspect the housing and bearing surfaces on the axles and replace anything unservicable
use a suitable bearing installer drive the new bearing into the housing
carefully install a new axle seal and lube the lip with a bit of diff oil
slide the axles back in place, re-install the C-clips and the spider pin and retaining bolt
re-assemble everything else...

Fill the diff with 75W140 synthetic hypoid oil and if necessary a bottle of friction modifier.

musclemustangcb · Jan 2, 2012

I bought a axle housing bearing puller from Mac tools. The slide hammer doesn't always go as planned. The puller blows the bearings out in the blink of an eye.

sandiegostang · Jan 3, 2012

trinity_gt said:
Bearing replacement goes something like this:

jack up the car and put it on stands

remove the wheels

remove the brake calipers (don't disconnect hydraulics) and caliper brackets

remove the differential cover and drain the fluid

remove the spider pin retaining bolt and remove the pin

push the axles in enough to disengage the 'C' clip and remove the clip from the axles

pull the axles from the housing

use a slide hammer and yank the old bearings and seals from the housing

inspect the housing and bearing surfaces on the axles and replace anything unservicable

use a suitable bearing installer drive the new bearing into the housing

carefully install a new axle seal and lube the lip with a bit of diff oil

slide the axles back in place, re-install the C-clips and the spider pin and retaining bolt

re-assemble everything else...

Fill the diff with 75W140 synthetic hypoid oil and if necessary a bottle of friction modifier.

This sounds like it should be done at the same time i am getting my gears installed. The mechanic said i would probably need new bearings too. Would these bearings include the wheel bearings?

trinity_gt · Jan 3, 2012

sandiegostang said:
This sounds like it should be done at the same time i am getting my gears installed. The mechanic said i would probably need new bearings too. Would these bearings include the wheel bearings?

He may have meant pinion and carrier bearings specifically but I would make sure to supply him with (or have him procure) new axle bearings too.

Consider getting FRPPs M-4210-C installation kit along with those gears as is comes with everything needed including outer axle bearings and seals.

how to replace rear wheel bearings

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how to replace rear wheel bearings

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