STEERING
1
SPECIFICATIONS, TORQUE STEERING PUMP
Make/type - V8i ZF 'Unicorn'................................................................
Make/type - Tdi Hobourn Eaton 500 series................................................................
Operating pressure - straight ahead position - at idle 7 bar, 100 lbf/in
2maximum ......
Full lock (left or right) at idle 28 bar, 400 lbf/in2minimum .............................................
Full lock (left or right) 1000 rev/min 70-77 bar, 1000-1100 lbf/in2..................................
57STEERING
2
SPECIFICATIONS, TORQUE TORQUE VALUES
NOTE: Torque wrenches should be regularly checked for accuracy to ensure that all fixings are
tightened to the correct torque.
Nm
Ball joint nuts 40..............................................................................................
Clamp bolt nuts 14..........................................................................................
Steering column bracket nuts 22....................................................................
Steering wheel nut 50.....................................................................................
Tie bar to mounting nut 110.............................................................................
Universal joint pinch bolt 25............................................................................
PAS box
Adjuster locknut 60.................................................................................
Drop arm nut 176....................................................................................
Sector shaft cover to steering box 75.....................................................
Steering box to chassis 81.....................................................................
Steering box fluid pipes 14mm thread 15...............................................
Steering box fluid pipes 16mm thread 20...............................................
Tie bar 81...............................................................................................
PAS pump
High pressure fluid pipe 20.....................................................................
Power steering pump mounting 35.........................................................
Pulley bolts, power steering pump 10....................................................
Hose clamp 3........................................................................................
Front mounting plate bolts 9..................................................................
PAS reservoir
Hose clamp 3........................................................................................
* Torque values below are for all screws and bolts used except for those that are specified otherwise.
METRIC Nm
M5 6......................................................................................................
M6 9......................................................................................................
M8 25.....................................................................................................
M10 45...................................................................................................
M12 90...................................................................................................
M14 105..................................................................................................
M16 180..................................................................................................
UNC / UNF
1/4 9......................................................................................................
5/16 24...................................................................................................
3/8 39.....................................................................................................
7/16 78...................................................................................................
1/2 90.....................................................................................................
5/8 136....................................................................................................
57STEERING
2
SERVICE TOOLS
LRT-57-020 Ring compressor
LRT-57-021 Seal saver, sector shaft
LRT-57-016 Seal saver, valve and worm
LRT-57-017 Torque setting tool
60FRONT SUSPENSION
2
REPAIR
8.Press out flexible bushes.
Refit
9.Press in replacement bushes.
CAUTION: When pressing in new bushes
press on outer edge of bush and not
rubber inner.
10.Reverse removal procedure. 1 to 8.
Tighten fixings to following torques:
Radius arm to chassiss
176Nm
Radius arm to axle197Nm
FRONT SHOCK ABSORBER
Service repair no - 60.30.02.
Remove
1.Loosen road wheel retaining nuts.
2.Support chassis on stands and remove road
wheel.
3.Support axle weight with jack.
4.Remove shock absorber lower fixing and
withdraw cupwasher, rubber bush and seating
washer.
5.Remove four shock absorber bracket fixings.
6.Withdraw shock absorber and bracket complete.
FRONT SUSPENSION
1
SPECIFICATIONS, TORQUE TORQUE VALUES
NOTE: Torque wrenches should be regularly checked for accuracy to ensure that all fixings are
tightened to the correct torque.
Nm
Anti-roll[sway] bar front
- Strap nyloc nuts 30..............................................................................
- Ball link self lock nut 68........................................................................
- Castellated nut 40................................................................................
Drag link to axle 40.........................................................................................
Securing ring for mounting turret 14...............................................................
Radius arm to chassis 176...............................................................................
Panhard rod mounting arm to chassis 88.......................................................
Panhard rod to axle 88....................................................................................
Panhard rod to mounting bracket 88...............................................................
Tie bar to Panhard rod 110..............................................................................
Radius arm to axle (front only) 197..................................................................
Torque values below are for all screws and bolts used except for those that are specified otherwise.
METRIC Nm
M5 6...........................................................................
M6 9...........................................................................
M8 25...........................................................................
M10 45.........................................................................
M12 90.........................................................................
M14 105.........................................................................
M16 180.........................................................................
UNC / UNF
1/4 9...........................................................................
5/16 24.........................................................................
3/8 39...........................................................................
7/16 78.........................................................................
1/2 90...........................................................................
5/8 136...........................................................................
REAR SUSPENSION
3
REPAIR Renew bush
7.Press out rubber bushes.
8.Fit bush centrally in housing.
CAUTION: Apply pressure to outer edge of
bush, and not rubber inner.
Refit
9.Reverse removal procedure. 1 to 6. Do not fully
tighten fixings until all components are in
position.
10.Tighten fixings to correct torque.
See
Specifications, torque, Torque Values
SUSPENSION LINK LOWER
Service repair no - 64.35.02.
Remove
1.Site vehicle on a ramp [hoist].
2.Alternatively, support vehicle on stands under
rear axle.
3.Remove rear fixings.
4.Remove mounting bracket fixings at side
member bracket.
5.Remove lower link complete.
6.Remove locknut.
7.Remove mounting bracket from lower link.
Renew bush
8.Press out rubber bushes.
9.Fit bush centrally in housing.
CAUTION: Apply pressure to outer edge of
bush, and not rubber inner.
Refit
10.Reverse removal procedure. 6 and 7. Do not
tighten locknut.
11.Reverse removal procedure. 3 to 5.
12.Lower vehicle, allow axle to take up static laden
position. Tighten to
176 Nm.
REAR SUSPENSION
1
SPECIFICATIONS, TORQUE TORQUE VALUES
NOTE: Torque wrenches should be regularly checked for accuracy to ensure that all fixings are
tightened to the correct torque.
Nm
Anti-roll[sway] bar rear
- Strap nyloc nuts 30..............................................................................
- Ball link self lock nut 68........................................................................
- Castellated nut 40................................................................................
Top link to mounting bracket 176.....................................................................
Bottom link to axle 176.....................................................................................
Bottom link to chassis 176...............................................................................
Top link bracket to rear cross member 47......................................................
Shock absorber to axle 37..............................................................................
Torque values below are for all screws and bolts used except for those that are specified otherwise.
METRIC Nm
M5 6......................................................................................................
M6 9......................................................................................................
M8 25.....................................................................................................
M10 45...................................................................................................
M12 90...................................................................................................
M14 105..................................................................................................
M16 180..................................................................................................
UNC / UNF
1/4 9......................................................................................................
5/16 24...................................................................................................
3/8 39.....................................................................................................
7/16 78...................................................................................................
1/2 90.....................................................................................................
5/8 136....................................................................................................
BRAKES
1
SPECIFICATIONS, TORQUE TORQUE VALUES
NOTE: Torque wrenches should be regularly checked for accuracy to ensure that all fixings are
tightened to the correct torque.
Nm
Brakes
Brake pipe connections to:
- Modulator unit 15.................................................................................
- Brake calipers 15.................................................................................
- Master cylinder 15................................................................................
Jump hoses to calipers 15..............................................................................
Bleed screws 15..............................................................................................
Brake caliper to swivel pin housing 82............................................................
Servo assembly to pedal box 26.....................................................................
Master cylinder to servo 26.............................................................................