Ford Ecosport: Rear Drive Halfshafts / Diagnosis and Testing - Rear Drive Halfshafts

Ford Ecosport 2014-2025 Service and Repair Manual / Driveline / Rear Drive Halfshafts / Diagnosis and Testing - Rear Drive Halfshafts

Preliminary Inspection

NOTE: New rear drive halfshafts shall not be installed unless disassembly and inspection reveals unusual wear of parts not available in repair kits.

Visually inspect the CV joints, housing, boots, and clamps for obvious signs of mechanical damage.

If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step

If the cause is not visually evident, verify the symptom and REFER to Symptom Chart: NVH.

Symptom Chart(s)

Diagnostics in this manual assume a certain skill level and knowledge of Ford-specific diagnostic practices.
REFER to: Diagnostic Methods (100-00 General Information, Description and Operation).

Symptom Chart: NVH

Symptom Chart

Condition	Possible Sources	Actions
Driveline clunk - loud clunk when shifting from REVERSE to DRIVE	Damaged or worn CV joints	INSPECT the CV joints and boot for wear or damage. INSTALL a new halfshaft as necessary. REFER to: Rear Halfshaft (205-05 Rear Drive Halfshafts, Removal and Installation).
	Loose hub nut	CHECK the torque on the hub nut. REPLACE the hub nut if the torque is not at specification. For hub nuts. REFER to: Wheel Bearing and Wheel Hub - Vehicles With: Rear Drum Brakes (204-02B Rear Suspension - AWD, Removal and Installation).
Driveline clunk — occurs as the vehicle starts to move forward following a stop	Loose hub nut	CHECK the torque on the hub nut. REPLACE the hub nut if the torque is not at specification. REFER to: Rear Halfshaft (205-05 Rear Drive Halfshafts, Removal and Installation). REFER to: Wheel Bearing and Wheel Hub - Vehicles With: Rear Drum Brakes (204-02B Rear Suspension - AWD, Removal and Installation).
Grunting — normally associated with a shudder experienced during acceleration from a complete stop	Halfshaft CV joint binding	CHECK the outer CV joint for correct seating into the hub. REPAIR as necessary. REFER to: Rear Halfshaft (205-05 Rear Drive Halfshafts, Removal and Installation).
Driveline vibration - occurs at cruising speeds	Binding or damaged CV joint	CHECK the outer CV joint for correct seating into the hub. REPAIR as necessary. REFER to: Rear Halfshaft (205-05 Rear Drive Halfshafts, Removal and Installation). REFER to: Wheel Bearing and Wheel Hub - Vehicles With: Rear Drum Brakes (204-02B Rear Suspension - AWD, Removal and Installation).

Differential Seals

NOTICE: When installing shafts, do not allow splines to contact seals during installation or damage to the seals may occur.

Halfshaft seals are susceptible to the same types of damage as drive pinion seals if incorrectly installed. The seal bore must be clean and the lip handled carefully to avoid cutting or tearing it. The seal journal surface must be free of nicks, gouges and rough surface texture.

For information on differential seals,
REFER to: Rear Halfshaft Seal (205-02 Rear Drive Axle/Differential, Removal and Installation).

Specifications

RDU Lubricant Specification Capacity Motorcraft® SAE 80W-90 Premium Rear Axle Lubricant XY-80W90-QL (US); CXY-80W90-1L (Canada) Material: Motorcraft® SAE 80W-90 Premium Rear Axle Lubricant / XY-80W90-QL (WSP-M2C197-A) 0...

Removal and Installation - Rear Halfshaft

Special Tool(s) / General Equipment Tire Lever Materials Name Specification Motorcraft® SAE 80W-90 Premium Rear Axle LubricantXY-80W90-QL WSP-M2C197-A Removal NOTICE: Never pick up or hold the halfshaft by only the inner or outer CV joint...

Other information:

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Removal and Installation - Front Stabilizer Bar

Special Tool(s) / General Equipment

Tie Rod End Remover Transmission Jack

Removal

NOTICE: Suspension fasteners are critical parts that affect the performance of vital components and systems. Failure of these fasteners may result in major service expense. Use the same or equivalent parts if replacement is necessary. Do not use a replacement part of lesser quality or substitute design. Tighten fasteners as specified.

NOTE: Removal steps in this procedure may contain installation details.

NOTICE: Disconnect the b