2010 JAGUAR XFR boot

Rear Drive Halfshafts - Outer Constant Velocity (CV) Joint Boot
Removal and Installation

Removal Published: 11-May-2011

1. WARNING: Do not work on or under a vehicle supported only by a
jack. Always support the vehicle on safety stands.

Raise and support the vehicle.


2.

3. For additional information, refer to: Inner Constant Velocity (CV) Joint Boot (205-05 Rear Drive Halfshafts, Removal and Installation).
4.
5.



















6. CAUTION: Make sure the CV joint ball bearings do not drop out of

the CV joint.


NOTE: Clean the constant velocity (CV) joint, removing as much of
the old grease as possible.


Installation

1. CAUTION: Only use lubricants meeting the Jaguar
specification.


NOTE: Make sure that the protective sleeve is
correctly installed, prior to installing the CV joint boot.
Fill the CV joint with 50 grams of grease.
Fill the CV joint boot with 85 grams of grease.














2. boot.
CAUTION: Make sure enough air is present in the CV

NOTE: Install new retaining clips. www.JagDocs.com

Steering System - General Information - Steering System
Diagnosis and Testing

Principle of Operation Published: 11-May-2011

For a detailed description of the steering system operation, refer to the relevant Description and Operation sections of the
workshop manual. REFER to:

Power Steering (211-02 Power Steering, Description and Operation), Power Steering (211-02 Power Steering, Description and Operation), Power Steering (211-02 Power Steering, Description and Operation), Steering Linkage (211-03 Steering Linkage, Description and Operation), Steering Linkage (211-03 Steering Linkage, Description and Operation), Steering Linkage (211-03 Steering Linkage, Description and Operation), Steering Column (211-04 Steering Column, Description and Operation), Steering Column (211-04 Steering Column, Description and Operation), Steering Column (211-04 Steering Column, Description and Operation), Steering Column Switches (211-05 Steering Column Switches, Description and Operation), Steering Column Switches (211-05 Steering Column Switches, Description and Operation), Steering Column Switches (211-05 Steering Column Switches, Description and Operation).
Inspection and Verification

1. Verify the customer concern.

2. Visually inspect for obvious signs of damage and system integrity.

Visual Inspection
Mechanical Electrical
Tire condition/pressure
Fluid level
Leaks
Security, condition and correct installation of suspension components
Security, condition and correct installation of steering system components
Fuses
Harnesses for damage/corrosion
Electrical connector(s)
Damaged/corroded pins
CAUTION: If a steering gear assembly is returned under warranty with leaking output shaft seals, but there is also
damage to the steering gear boot/boots the steering gear warranty will be invalid. This is due to the steering gear output
shaft seals being damaged due to foreign materials entering the steering gear boot and damaging the steering gear output
shaft seals thereafter.

3. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to
the next step.
4. If the concern is not visually evident, verify the symptom and refer to the symptom chart.

Symptom Charts


WARNING: It is not possible to CHECK the torque of a patchlock bolt, if the torque is suspected to be low, the bolt must
be REMOVED/DISCARDED and a new bolt MUST be INSTALLED and torque to the correct value.


NOTE: If the module or a component is suspect and the vehicle remains under manufacturer warranty, refer to the
Warranty Policy and Procedures manual (section B1.2), or determine if any prior approval programme is in operation, prior to
the installation of a new module/component.

Fluid Leakage


NOTE: Confirm the location of the fluid leak. CLEAN the area of the leak, inspect the area and confirm the exact position.
Ensure the fluid is not from another system on the vehicle.

Symptom Possible Causes Action

Power steering
fluid leakage
Overfilled system
Correct the fluid level as required
Steering gear
Check and install new steering gear as required, refer to the new
module/component installation note at the top of the Symptom
Charts

Symptom Possible Causes Action
Knock
Loose fixings (universal joint
pinch bolt and steering column
fixings)
Tighten fixings to correct specification.
REFER to: Specifications (211-00 Steering System - General Information, Specifications).



Rattle
Foreign objects
Remove foreign objects from between steering
column shroud and steering wheel/steering
column rotating components
Loose fixings
Tighten steering column fixings to correct
specification.
REFER to: Specifications (211-00 Steering System - General Information, Specifications).



Noise while adjusting
column
Electric motor/solenoid
NOTE: Before carrying out repairs/replacement,
assess column adjustment noise levels against other
vehicles of the same model
Install new components as required
Motor spindle/lead screw
Lubricate lead screw Vibration

Symptom Possible Causes Action


Wheel Fight (Kick Back) - condition
where roughness is felt in the
steering wheel by the driver when
the vehicle is driven over rough
surfaces


Loose or worn steering
components/bushings
CAUTION: DO NOT attempt to adjust the
steering gear yoke. Failure to follow this
instruction will invalidate the steering gear
warranty.

Tighten and install new steering
components/bushings as required
Loose or worn suspension
components/bushings
Tighten and install new suspension
components/bushings as required

Nibble (Shimmy) - condition where
oscillation of the steering wheel
occurs (not vertical which is Shake).
This is driven by road wheel
imbalance

Road wheel and tire
condition
Check for wheel and tire damage. Install
new components as required
Check for tire uniformity. Install new
tire(s) as required
Road wheel imbalance
Check and adjust road wheel balance as
required
Shake - condition where vertical
vibration of the steering
wheel/column occurs (not
oscillation which is Nibble)
NOTE: Vibration smooths out
after several miles of driving

Road wheel imbalance due
to tire flat-spotting
Ensure tires installed are to Jaguar
specification. Install new tires as
required
Check and adjust tire pressures to
correct specification Component Tests

Steering Linkage Inspection and Backlash (Free play) Check


CAUTION: Steering gear boots must be handled carefully to avoid damage. Use new clamps when installing steering gear
boots.

Inspect the boots for cuts, deterioration, twisting or distortion. Check the steering gear boots to make sure they are tight.
Install new boots or clamps as required.


NOTE: The following steps must be carried out with assistance.

1. With the wheels in the straight ahead position, gently turn the steering wheel to the left and the right to check for free
play.

1 Locknut ( 2 off) 2 RH (right-hand) tie-rod 3 Steering gear boot (2 off) 4 Steering gear 5 Bolt and washer (3 off) 6 Servotronic valve 7 Valve unit 8 Input shaft 9 LH (left-hand) tie-rod 10 Steering gear mounting bushes The steering gear is located at the rear of the engine and attached to the front sub-frame. The gear is secured to the
sub-frame with 3 bolts and washers which screw into threaded tubes in bushes which are integral with the sub-frame.

The steering gear comprises an aluminum, cast, valve housing which contains the hydraulic valve unit and Servotronic valve.
The mechanical steering rack and the hydraulic actuator are located in a steel cylinder which is attached to the cast valve
housing.

The steering gear uses a rack with an integrated piston which is guided on plain bearings within the cylinder and the valve
housing. The pinion, which is attached to the valve unit, runs in bearings and meshes with the rack teeth. The rack is pressed
against the pinion by a spring loaded yoke which ensures that the teeth mesh with the minimum of play. The pinion is
connected to the valve unit via a torsion bar. The rotary motion of the steering wheel is converted into linear movement of the
rack by the rack and pinion mechanism and is initiated by the valve unit. This movement is transferred into movement of the
road wheels by adjustable tie-rods.

1 Steering gear boot 2 Inner tie-rod arm 3 Locknut 4 Outer tie-rod arm 5 Taper ball joint 6 Locknut

Steering Linkage - Steering Linkage - Overview
Description and Operation

OVERVIEW Published: 11-May-2011

The steering linkage comprises the tie rod which provides the connection between the steering gear and the front wheel
knuckle. Each end of the steering gear has a threaded hole which provides for the fitment of the inner tie rods. The external
ends of the inner tie rods are sealed with boots to prevent the ingress of dirt and moisture into the steering gear.

1 Yoke 2 Upper collapse shaft 3 Flexible coupling 4 Shaft plate 5 Rivet (4 off) 6 Upper tube 7 Plastic sleeve 8 Boot 9 Bearing (4 off) 10 Teeth tube 11 Lower shaft 12 Yoke clamp bolt (2 off) 13 Bearing (4 off) 14 Lower yoke 15 Spider 16 Upper yoke The lower shaft assembly comprises 2 splined shafts connected by a universal joint in the center.

The upper collapse shaft has a flexible couple at its upper end. The flexible coupling controls axial and torsional movements
and also assists with noise and vibration damping. The flexible coupling is fitted with a shaft plate which has a boss with
machined flats on it. The flats provide positive location on the upper column outer clamping yoke. A cut-out in the boss allows
for the fitment of a clamping bolt to secure the upper column outer clamping yoke. The cut-out ensures that the lower shaft
assembly can only be fitted in one orientation.

The upper collapse shaft is connected to the stopper plate of the flexible coupling with splines. The stopper plate is connected
to the shaft plate via the flexible coupling and is secured with rivets. The upper collapse shaft has a series of splines which
engage with the upper tube. The splines allow the upper collapse shaft to slide into the upper tube in the event of an
accident.

The upper tube is positively connected to the upper half of the yoke of the universal joint. A plastic tube is located around the
upper tube and provides for the attachment of a boot which seals the lower shaft assembly where it passes through the
vehicle bulkhead. LOWER SHAFT ASSEMBLY