Drive Pinion Flange and Seal: Removal
WARNING: This page is about a different car, the 2005 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
This operation disturbs the pinion bearing preload. Carefully reset the pinion bearing preload during assembly.
- With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to JACKING & LIFTING .
- Remove the front tires and wheels. For additional information, refer to WHEELS & TIRES .
- Remove the front driveshaft. For additional information, refer to DRIVESHAFT .
- Remove the disc brake caliper anchor bolts, then remove the disc brake caliper and disc brake caliper anchor as an assembly.
- Using mechanic's wire, position and support the disc brake caliper and disc brake caliper anchor.
- Measure and record the pinion bearing preload.
- Using a Nm (lb-in) torque wrench, rotate the pinion gear. Measure the torque required to maintain pinion gear rotation.
- Index mark the pinion flange and the drive pinion gear.
- Using the special tool to hold the pinion flange, remove and discard the pinion nut and washer.
- Using the special tool, remove the pinion flange.
- Inspect the pinion flange for burrs and damage. Inspect the end of the pinion flange that contacts the pinion bearing cone, pinion nut counterbore and drive pinion seal surface for nicks. Discard the pinion flange if damaged.
- Force up on the metal flange of the drive pinion seal. Install gripping pliers and strike with a hammer to remove the drive pinion seal.
- Verify the splines on the drive pinion gear are free of burrs. If burrs are evident, remove them with a fine crocus cloth.
- Clean the drive pinion seal bore.
NOTE:
The front wheels and tires and brake calipers must be removed to prevent drag during the pinion bearing preload recording and adjustment.
CAUTION:
When removing the disc brake caliper, never allow it to hang from the brake hose. Provide a suitable support.
CAUTION:
Do not damage the axle housing.