Removal and Installation
WARNING: This page is about a different car, the 2004 Mercury Mountaineer and 2004 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
This procedure applies to both rear halfshaft assemblies.
- With the vehicle in NEUTRAL, position on a hoist. For additional information, refer to JACKING & LIFTING .
- Remove the rear wheel and tire assembly. For additional information, refer to SUSPENSION SYSTEM .
- Remove the parts in the order indicated in the following illustration and table.
- To install, reverse the removal procedure.
- Fill the axle with the specified quantity of the specified lubricant. For additional information, refer to the SPECIFICATIONS .
CAUTION:
Do not loosen the rear axle wheel hub retainer until after the wheel and tire assembly are removed from the vehicle. Wheel bearing damage will occur if the wheel bearing is unloaded with the weight of the vehicle applied.
Item 1: Rear Disc Brake Caliper Removal Note
- Position the rear disc brake caliper aside. For additional information, refer to BRAKE SYSTEM .
CAUTION:
Do not allow the caliper to hang from the brake hose. Provide a suitable support.
Item 2: Rear Axle Wheel Hub Retainer and Washer Removal Note
- Separate the rear axle halfshaft assembly from the hub.
- Using the special tool, press the outboard CV joint until it is loose in the hub.
- Remove the special tool.
- Separate the outboard CV joint from the hub.
CAUTION:
Do not use a hammer to separate the rear axle half shaft assembly from the hub. Damage to the threads and internal CV joint components can result.
CAUTION:
Once the rear axle halfshaft assembly separates from the hub, the knuckle will continue to pivot until the brake backing plate presses against the suspension lower arm. To prevent damage to the brake backing plate, immediately after separating the outboard CV joint from the hub, rest the knuckle on a cushioned support that is tall enough to keep the backing plate from pressing against the suspension lower arm.
Item 6: Rear Halfshaft Assembly Removal Note
- Using a wood stick, approximately 450 mm (18 in) long and 25 mm (1 in) wide, support the rear suspension upper arm.
- Using the special tool, disengage the inboard CV joint housing from the differential side gear.
- For the inboard CV joint, carry out the following:
- Remove and discard the boot clamps.
- Remove the inboard CV joint housing.
- For the inboard CV joint, carry out the following:
- Remove and discard the retainer circlip.
- Slide the boot away from the CV joint.
- Using a suitable 3-jaw puller, remove the CV joint.
- Remove and discard the tri-lobe insert and the boot.
- For the outboard CV joint, carry out the following:
- Remove and discard the boot clamps.
- Remove and discard the boot.
- If necessary, press the brake anti-lock sensor indicator from the outer CV joint.
CAUTION:
Support the rear suspension upper arm to prevent boot damage when removing the halfshaft assembly from the vehicle.
CAUTION:
Do not damage the axle shaft oil seal or the machined sealing surface on the inboard CV joint housing.
CAUTION:
Do not allow the splines on the inboard CV joint housing to touch the axle shaft oil seal.
NOTE:
A circlip retains the inboard CV joint housing to the differential side gear in the axle.
NOTE:
The outboard CV joint is not removable from the halfshaft. The boot must be removed or installed from the inboard CV joint side of the shaft.
Item 7: Rear Stub Shaft Housing Bearing and Seal Removal Note
- Remove the stub shaft housing bearing and stub shaft housing bearing seal.
- Install the special tool with the tangs firmly engaged on the stub shaft housing bearing.
- Remove the stub shaft housing bearing and stub shaft housing bearing seal.
NOTE:
If only a new rear stub shaft housing bearing seal is to be installed, engage the special tool tangs on the seal.
Item 7: Rear Stub Shaft Housing Bearing and Seal Installation Note
- Lubricate the stub shaft housing bearing with axle lubricant. Place the stub shaft housing bearing on the special tool.
- Install the stub shaft housing bearing in the rear axle housing bore.
- Place the seal on the special tool.
- Carefully align the stub shaft housing bearing seal with the housing bore and install the seal flush in the differential housing.
NOTE:
Do not disassemble the new oil seal.
CAUTION:
Installation of the stub shaft housing bearing and seal without the correct tool can result in an early bearing or seal failure. If the bearing or seal become cocked during installation, remove it and install a new one.
Item 6: Rear Halfshaft Assembly Installation Note
- For the outboard CV joint, carry out the following:
- Slide the boot on the interconnecting shaft.
- Pack the outboard CV joint with 225 grams (7.93 oz.) of grease.
- Spread any remaining grease evenly inside the boot.
- Install the boot by seating it in the groove in the CV joint housing.
- Using the special tool, install the boot clamps.
- If necessary, install a new brake anti-lock sensor indicator on the outer CV joint.
- Install a new retainer circlip.
- Remove and discard the halfshaft excluder seal.
- For the inboard CV joint, carry out the following:
- Position the clamp on the interconnecting shaft.
- Position the boot on the interconnecting shaft.
- Install the tri-lobe insert.
- Using the special tool, install the CV joint.
- Install the retainer circlip.
- For the inboard CV joint, carry out the following:
- Pack the inboard CV joint housing with 250 grams (8.82 oz.) of grease.
- Spread any remaining grease evenly inside the boot and CV joint.
- Install the inboard CV joint housing, seating the boot in the groove in the housing.
- Set the halfshaft assembled length to specifications. For additional information, refer to SPECIFICATIONS .
- Measure the entire assembly length.
- Push in or pull out on the inner joint as necessary to adjust the halfshaft assembled length.
- Hold the inner joint to prevent the assembled length from changing, and insert a small flat-blade screwdriver between the boot and the joint to equalize the pressure.
- Using the special tool, install both boot clamps.
CAUTION:
To prevent damage to the axle shaft oil seal, install the Differential Seal Protector before positioning the inboard CV joint housing in the axle.
CAUTION:
Always install the halfshaft with a new retainer circlip and a new rear axle wheel hub retainer.
Item 2: Rear Axle Wheel Hub Retainer and Washer Installation Note
- Install a new rear axle wheel hub retainer and washer.
CAUTION:
Never use power tools to tighten the rear axle wheel hub retainer.