Jaguar XJ (X350). Manual — part 137

Noise is the same on drive or coast

Possible Source(s):

•

Road.

•

Wheel bearing.

Action(s) to take:

•

Normal conditions.

•

CHECK and INSTALL a new wheel bearing as necessary. For additional information,

Rear Wheel Bearing (64.15.14)

Possible Source(s):

•

Worn or damaged driveshaft joint.

Action(s) to take:

•

INSTALL new components as necessary.

Possible Source(s):

•

Driveshaft center bearing.

Action(s) to take:

•

INSTALL new components as necessary.

Noise is produced with the vehicle standing and

driving

Possible Source(s):

•

Engine.

Action(s) to take:

•

For additional information,

Engine - 3.0L/3.5L/4.2L

Possible Source(s):

•

Transmission.

Action(s) to take:

•

For additional information,

Noise is more pronounced while turning

Possible Source(s):

•

Differential side gears and pinion gears.

Action(s) to take:

•

For additional information,

Rear Drive Axle and Differential

Loud clunk in the driveline when shifting from reverse to forward

Possible Source(s):

•

Transmission out of calibration.

•

Engine idle speed set too high.

•

Engine mount.

Action(s) to take:

•

Using the Jaguar approved diagnostic system, calibrate the transmission control module
(TCM).

•

Check and adjust the idle speed as necessary. For additional information,

Electronic Engine Controls - VIN Range: G00442->G45703

or

Electronic Engine Controls - VIN Range: G00442->G45703

•

INSPECT and INSTALL new engine mounts as necessary.

Possible Source(s):

•

Transmission Mount.

Action(s) to take:

•

INSPECT and INSTALL new transmission mounts as necessary.

Possible Source(s):

www.

•

Transmission.

Action(s) to take:

•

For additional information,

Possible Source(s):

•

Suspension components.

Action(s) to take:

•

INSPECT and INSTALL new suspension components as necessary.

Possible Source(s):

•

Backlash in the driveline.

Action(s) to take:

•

INSPECT and INSTALL new suspension components as necessary.

Clicking, popping, or grinding noises

Possible Source(s):

•

Inadequate or contaminated lubrication in the rear drive halfshaft constant velocity (CV)
joint.

•

Another component contacting the rear drive halfshaft.

•

Wheel bearings, brakes or suspension components.

Action(s) to take:

•

INSPECT, CLEAN and LUBRICATE with new grease as necessary.

•

INSPECT and REPAIR as necessary.

•

INSPECT and INSTALL new components as necessary.

Vibration at highway speeds

Possible Source(s):

•

Out-of-balance wheels or tires.

Action(s) to take:

•

INSTALL new tire(s) as necessary.

Wheel and Tire (74.20.05)

Possible Source(s):

•

Driveline out of balance/misalignment.

Action(s) to take:

•

For additional information, refer to the Jaguar approved diagnostic system.

Possible Source(s):

•

Propshaft centre bearing touching body mounting point.

Action(s) to take:

•

Check for correct spacer washer thickness. INSPECT and INSTALL new washers as
necessary.

Shudder, Vibration During Acceleration

Possible Source(s):

•

Powertrain/driveline misalignment.

Action(s) to take:

•

CHECK for misalignment. INSTALL new components as necessary.

Possible Source(s):

•

High constant velocity (CV) joint operating angles caused by incorrect ride height.

Action(s) to take:

•

CHECK the ride height and VERIFY the correct spring rate. INSTALL new components as
necessary.

Lubricant Leak

Possible Source(s):

www.