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For full DIY goto Rear Axle Seal Change
Here is an Install Guide for Changing the Rear Axle Seal.
Vehicle in 2002 Chevy Duramax
Tool Needed:
Supplys:
Here is an Install Guide for Changing the Rear Axle Seal.
Vehicle in 2002 Chevy Duramax
Tool Needed:
- Torque Wrench
- 3/4 - 1ton 4 Wheel Drive Wheel Bearing Locknut Tool
- Needle Nose Pliers
- Seal Puller or Small Pry Bar
- Various Screwdrivers - Optional
- Block of Wood
- Jack and Jack Stands
Supplys:
- Seal P# PT 2081
- 3-4 Cans of Brake Parts Cleaner
- Lots of rags or paper towels
- This is what you'll need: Seal, wheel bearing locknut socket ($10.00), and brake cleaner (multiple cans, I used 3). You can these at your local parts store.
- Here is the wrench you'll need for the axle nuts.
- Remove the 8 bolts that hold the axle with a 3/4 socket, then carefully remove the axle. It has a gasket on it that you don't want to tear.
- Here is the hub after the removal of the axle.
- Remove the caliper. It took an 18mm socket. Leave the brake line attached.
- Remove the rotor. It just pulls off.
- You are now down to the hub, and you can see the parking brake shoes which are likely to be covered with gearlube.
- Remove the snap ring. No special tools are required.
- The snap ring keeps the key for the axle nut in place.
- Remove the key. It just slides out.
- Here is the axle nut after removal with the special socket.
- Here is the spindle with the emergency brake after the removal of the hub. The hub just pulls off.
- Remove the seal with very small and careful prying, turning frequently.
- Here is the hub with the seal removed.
- We used a piece of wood to protect the seal as we tapped it in place carfully with a hammer.
- Here is the new seal installed in the hub.
- The rotors are vented. It is likely that you will have gear lube on the rotor, inside the emergency brake surface, and inside the vents of the rotor.
- Slide the hub back on the spindle.
- Start screwing the hub locknut back on.
- You'll use a torque wrench and the special axle nut socket. Torque to approximately 50 ft lbs while rotating the hub counter-clockwise. This seats the hub.
- After seating the hub. Loosen the axle nut, adjust it finger tight and align it so you can slip in the locking key that keeps the nut from moving.
- Re-install the snap ring to hold the key.
- You are now ready to re-install the caliper.
- Re-install the caliper. I used thread lock on these bolts.
- Slide the axle back in after you clean it off. (just a wipe down will do) Re-install and tighten the 8 bolts. I used thread sealer on these too.