Toyota
Ford Kuga
 Service Manual
Front Drive Halfshafts
Front Drive Halfshafts

Inspection and Verification

NOTE: New front wheel drive halfshafts should not be installed unless disassembly and inspection reveals unusual wear.

1. Inspect front wheel driveshaft joint boots for evidence of cracks, tears or splits.

NOTE: While inspecting the front wheel driveshaft CV joint boots, watch for indentations (dimples) in the boot convolutions. If an indentation is observed, it must be removed.

2. Inspect the underbody for any indication of grease splatter in the vicinity of the front wheel driveshaft CV joint boots outboard and inboard locations, which is an indication of front wheel driveshaft CV joint boot and/or front wheel driveshaft CV joint boot clamp damage.

3. Inspect for inboard CV joint stub shaft pilot bearing housing seal leakage at the front wheel driveshaft CV joint.

4. Make sure front axle wheel hub retainer is the correct prevailing torque type.

5. The silicone front wheel driveshaft CV joint boot will sweat during operation, causing a light film of grease to show on the outside of the front wheel driveshaft CV joint boot. This condition is normal.

NOTE: Halfshafts are not balanced and do not contribute to rotational vibration.

6. If the concerns remain after the inspection, determine the symptoms and go to the Symptom Chart. For additional Noise, Vibration and Harshness (NVH). REFER to Section 100-04 [Noise, Vibration and Harshness].

Symptom Chart

Symptom Possible Sources Action
Clicking, Popping or Grinding Noises While Turning Inadequate or contaminated lube in outboard/inboard front wheel driveshaft CV joint. INSPECT, CLEAN and LUBRICATE as necessary.
Another component contacting driveshaft assembly. INSPECT and REPAIR as necessary.
Wheel bearings, brakes, suspension or steering components. INSPECT and REPAIR as necessary. REFER to Section 204-00 [Suspension System - General Information] / 206-00 [Brake System - General Information] / 211-00 [Steering System - General Information].
Vibration at Highway Speeds Out of balance front wheels or tires. REPAIR or INSTALL new as necessary. REFER to Section 204-04 [Wheels and Tires].
Out-of-round tires. REPAIR or INSTALL new as necessary. REFER to Section 204-04 [Wheels and Tires].
Incorrectly seated outboard front wheel driveshaft CV joint in front wheel hub. REPAIR or INSTALL new as necessary.

REFER to Halfshaft Disassemblv and Assembly in this section.

Shudder Vibration During Acceleration. Excessively high CV joint operating angles caused by incorrect ride height. CHECK ride height, VERIFY correct spring rate and CHECK items under Halfshaft Joint Pullout. REPAIR or INSTALL new as necessary.
Excessively worn or damaged inboard front wheel driveshaft joint or outboard front wheel driveshaft joint. INSPECT and INSTALL new as necessary.
Halfshaft Joint Pullout Inboard driveshaft bearing retainer circlip missing or not correctly seated in differential side gear. INSPECT and REPAIR or INSTALL new as necessary.
Engine/transaxle assembly mispositioned. CHECK engine mounts for damage or wear. REPAIR or INSTALL new as necessary.
Frame rail or strut tower out of position or damaged. CHECK underbody dimensions.

REFER to REFER to Section 501-00 [Body System - General Information]

Front suspension components worn or damaged. CHECK for worn bushings or bent components (front stabilizer bar, front suspension lower arm). REPAIR or INSTALL new as necessary.
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    Outer Constant Velocity (CV) Joint Boot

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