Jaguar XJ (X350). Service 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.
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