Ford Fiesta: Front Drive Halfshafts / Front Drive Halfshafts. Diagnosis and Testing

Ford Fiesta 2014 - 2019 Service Manual / Driveline / Front Drive Halfshafts / Front Drive Halfshafts. Diagnosis and Testing

Inspection and Verification

Verify the customer concern.

Visually inspect for obvious signs of mechanical or electrical 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 the Symptom Chart.

Symptom Chart

Condition	Possible Sources	Actions
Axle howling or whine - front of vehicle	Damaged or worn wheel hub bearings	CHECK for abnormal wheel hub bearing play or roughness. REFER to: Front Wheel Bearing (204-01 Front Suspension, Removal and Installation).
Driveline clunk - loud clunk when shifting from REVERSE to DRIVE	Damaged or worn Constant Velocity (CV) joints	INSPECT the Constant Velocity (CV) joints for wear or damage. INSTALL a new halfshaft or driveshaft as necessary. REFER to: Front Halfshaft RH (205-04 Front Drive Halfshafts, Removal and Installation). REFER to: Front Halfshaft LH (205-04 Front 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 front hub nuts. REFER to: Front Halfshaft RH (205-04 Front Drive Halfshafts, Removal and Installation). REFER to: Front Halfshaft LH (205-04 Front Drive Halfshafts, Removal and Installation).
Driveline clunk — occurs during acceleration or from cruise to coast/deceleration	Damaged or worn Constant Velocity (CV) joints	INSPECT the inner Constant Velocity (CV) joint and boot. INSTALL a new halfshaft as necessary. REFER to: Front Halfshaft RH (205-04 Front Drive Halfshafts, Removal and Installation). REFER to: Front Halfshaft LH (205-04 Front 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. REFER to: Front Halfshaft RH (205-04 Front Drive Halfshafts, Removal and Installation). REFER to: Front Halfshaft LH (205-04 Front Drive Halfshafts, 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: Front Halfshaft RH (205-04 Front Drive Halfshafts, Removal and Installation). REFER to: Front Halfshaft LH (205-04 Front Drive Halfshafts, Removal and Installation).
Clicking, popping or grinding - occurs while the vehicle is turning	Inadequate or contaminated lubrication in the Constant Velocity (CV) joints	CHECK the Constant Velocity (CV) boots and joints for wear or damage. INSTALL new components as necessary. REFER to: Front Halfshaft RH (205-04 Front Drive Halfshafts, Removal and Installation). REFER to: Front Halfshaft LH (205-04 Front Drive Halfshafts, Removal and Installation).
	Another component contacting the halfshaft	CHECK the halfshafts and the area around the halfshafts. REPAIR as necessary.
Grunting — normally associated with a shudder experienced during acceleration from a complete stop	Halfshaft Constant Velocity (CV) joint binding	CHECK the outer Constant Velocity (CV) joint for correct seating into the hub. REPAIR as necessary. REFER to: Front Halfshaft RH (205-04 Front Drive Halfshafts, Removal and Installation). REFER to: Front Halfshaft LH (205-04 Front Drive Halfshafts, Removal and Installation).
Driveline vibration - occurs at cruising speeds	Incorrectly seated Constant Velocity (CV) joint in the wheel hub	CHECK the outer CV joint for correct seating into the hub. REPAIR as necessary. REFER to: Front Halfshaft RH (205-04 Front Drive Halfshafts, Removal and Installation). REFER to: Front Halfshaft LH (205-04 Front Drive Halfshafts, Removal and Installation). REFER to: Front Wheel Bearing (204-01 Front Suspension, Removal and Installation).
Grinding noise - after RH halfshaft has been removed and reinstalled	Halfshaft bearing retainer strap and nuts were not discarded and replaced	Replace the retainer strap and nuts. If concern persists, replace the halfshaft, halfshaft bracket, retainer strap and nuts. REFER to: Front Halfshaft RH (205-04 Front Drive Halfshafts, Removal and Installation).

Specifications

Torque Specifications Item Nm lb-ft lb-in Halfshaft support bracket bolts - 1...

Front Halfshaft LH. Removal and Installation

Special Tool(s) / General Equipment 204-161 (T97P-1175-A) Installer, HalfshaftTKIT-1997-LM2TKIT-1997-F/FM2TKIT-1997-FLM2 205-D070 (D93P-1175-B) Remover, Front Wheel Hub Removal NOTICE: Suspension fasteners are critical parts because they affect performance of vital components and systems and their failure may result in major service expense...

Other information:

Ford Fiesta 2014 - 2019 Service Manual: Windshield Glass. Removal and Installation

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Wheels and Tires. Diagnosis and Testing

Preliminary Inspection

Verify the customer concern by carrying out a road test on a smooth road. If any vibrations are apparent, Refer to the Symptom Chart: NVH.
To maximize tire performance, inspect for signs of incorrect inflation and uneven wear, which may indicate a need for balancing, rotation or front suspension alignment.
Correct tire pressure and driving techniques have an important influence on tire life. Heavy cornering, excessively rapid acceleration and unnecessary sharp braking increase tire wear.

Correct tire pressure and driving techniques have an important influence on tire life. Heavy cornering, exce