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Repacking the Front Bearings on a C3

 

Disassembly instructions begin HERE

Reassembly Instructions begin HERE

From start to finish this job takes approximately two hours to complete.

 

Note: This has been prepared as a guide only.  If you would like to offer any constructive criticism to improve the article - please feel free to contact me by clicking here...


Disassembly

- Jack up the vehicle - make sure it is safe to work on -

use jack stands or lift.

 

- Remove the front wheel and then caliper.

 

- Remove the caliper and hang it up - don't let it dangle by the hose.

 

- Remove the dust cap.

 

- Remove the cotter pin and then the nut (it is only hand tight).

* Outer bearing may fall out after nut removal *

 

- Dust cap, cotter pin, flat washer and outer bearing have

 been removed - rotor is ready for removal.

 

 - Removed components - dust cap, cotter pin, nut, flat keyed

washer & outer bearing.

 

- Remove the rotor.

 

- At this point the seal and inner bearing need to be removed.  Use

a long brass punch and hammer.  Place a rag underneath the rotor.

 

- Seat the brass punch on bearing and then carefully tap.  The

seal and inner bearing should drop out.

 

- Inner bearing and seal.

 

- Inspect race and bearing on inner and outer edges.

 

- Clean bearings and inspect for bluish color or pitting.

 

- Repack both bearings by hand or with a bearing grease packer.

 

- Repack both bearings by hand or with a bearing grease packer.

 

- Repack both bearings by hand or with a bearing grease packer.

 

 

- Coat inner and outer race with fresh grease.

 


Reassembly

- Install inner bearing (big one) with the taper down.

 

- Install the seal (gently).  I use a plastic hammer to tap it in.

 

- Lightly coat the spindle with grease.

 

- Install rotor, install small bearing (outer)

 

- Smaller outer bearing and keyed flat washer.

 

- Installation of keyed washer with squared edge inside, key lining

up with slot in spindle..

 

- How things fit together. Parts names from top left to bottom right:

Seal, bearing, race, rotor, race, outer bearing, flat washer, nut,

cotter pin, dust cap.

 

- Install nut hand tight until it seats while spinning the rotor. 

At this point you can install the caliper and then wheel for a better

feel of the bearing adjustment. 

 

- Tighten the nut 16nm or 12 ft/lbs while turning the wheel forward.

This will properly seat the bearing.   Back it off to the next hole to

 align the cotter pin and install the pin. 

Install the dust cap (sometimes the cotter pin will

rub on the inside of the dust cap). Check the wheel for in and

out movement at the top and bottom.

 

- Tools used in this procedure.

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