44AUTOMATIC GEARBOX
2
SPECIFICATIONS, TORQUE ZF GEARBOX DATA
Axial end float 0.2 to 0.4 mm.
From torque converter boss to torque converter
housing face 50 mm
Freewheel cage assembly to ring gear; minimum
clearance 0.1 mm
Output shaft above cylinder F assembly; dimension
10.00 mm
A cylinder protrusion above gearbox front face not
more than 8.5 mm
REAR AXLE AND FINAL DRIVE
1
SPECIFICATIONS, TORQUE AXLE DIFFERENTIAL DATA
Pinion bearing pre-load:
(new bearings) 3 Nm........................................................
(bearings bedded in) 1,5 Nm...............................................
Crown wheel run-out 0,10 mm........................................................
Crown wheel/pinion backlash 0,10 to 0,17 mm...........................................
REAR HUB
Rear hub end float 0,010 mm............................................................
TORQUE VALUES
NOTE: Torque wrenches should be regularly checked for accuracy to ensure that all fixings are
tightened to the correct torque.
Nm
REAR AXLE
Pinion housing to axle case 41.......................................................................
Crown wheel to differential case 58................................................................
Differential bearing cap to pinion housing 90..................................................
Differential drive flange to drive shaft 47.........................................................
Bevel pinion nut 129........................................................................................
Lower link to axle 176......................................................................................
Pivot bracket ball joint to axle 176...................................................................
REAR HUB ABS VEHICLES
Hub driving member to hub 65 *.......................................................................
Brake disc to hub 73 *......................................................................................
Stub axle rear to axle case 65........................................................................
Brake caliper to axle case 82..........................................................................
Disc shield to axle case 11.............................................................................
Sensor ring to brake disc ABS 9....................................................................
* Apply loctite 270 prior to assembly.
51REAR AXLE AND FINAL DRIVE
2
SPECIFICATIONS, TORQUE Torque values below cover all screws and bolts used, unless 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....................................................................................................
FRONT AXLE AND FINAL DRIVE
1
REPAIR FRONT AXLE ASSEMBLY
Service repair no - 54.15.01
Remove
WARNING: Remove and refit of axle
requires a further two persons to steady
axle when lowering or repositioning axle.
1.Support chassis front.
2.Remove road wheels.
3.Support axle weight with hydraulic jack.
4.Remove radius arms to chassis frame nuts.
5.Disconnect steering damper from track rod.
Using a extractor remove track rod links from
swivel pin arms.
6.Remove four nuts and bolts securing radius
arms to axle bracket.
7.Remove radius arms.
8.Remove bolts securing brake hose brackets.
Refit bolts to prevent oil leakage.
9.Remove ABS sensor, if applicable.
10.Remove bolts from brake calipers and tie to one
side.
11.Remove nuts and washers securing shock
absorbers to axle.
12.Disconnect drag link from swivel pin housing
arm.
13.Remove two nuts and bolts securing panhard
rod to axle bracket. Lift rod clear of axle.
14.Mark for reassembly drive shaft flanges.
Remove four nuts and bolts, tie propeller shaft to
one side.
15.Lower axle assembly and remove road springs.
16.Disconnect anti-roll[sway] bar link.
See FRONT
SUSPENSION, Repair, Anti-Roll[Sway] Bar
Ball Joint Links
17.Remove axle assembly.
Refit
18.Position axle under vehicle, supporting left side
of axle.
19.Reverse removal procedure.
20.Tighten propeller shaft bolts to
47 Nm.
21.Tighten panhard rod to axle bracket to88 Nm.
22.Tighten drag link to hub arm to40 Nm.
23.Tighten upper swivel pin bolts.See
Specifications, torque, Torque Values
24.Tighten radius arms to axle bolts to197 Nm.
25.Tighten radius arms to chassis side member
nuts to
197 Nm.
26.Tighten track rod end to40 Nm.
Fit new split [cotter] pin.
54FRONT AXLE AND FINAL DRIVE
10
OVERHAUL
40.With seal lips trailing press axle shaft oil seal
flush into rear of housing. Grease lips.
41.Fit new thrust washers and bearing into top
swivel pin bush.
42.Hang swivel pin bearing housing oil seal and
retainer plate over back of housing. Ensure they
are in correct assembly order.
43.Fit a new joint washer and secure swivel pin
bearing housing to axle. Starting with top fixing
dowel bolt. Tighten to
72Nm.
Fit swivel pin housing
44.Grease and fit lower swivel pin bearing to
bearing housing.
45.Place swivel pin housing in position over swivel
pin bearing housing.
46.Using a new joint washer, fit lower swivel pin
with lip outboard. Do not secure with screws at
this stage.
47.Fit a new sensor bush and new oil seal, lip side
leading to top swivel pin.
48.Lubricate with a recommended oil and fit top
swivel pin with existing shims.
49.Coat threads of top swivel pin bolts with Loctite
542. Fit bolts and jump hose bracket (do not
tighten).50.Coat threads of lower swivel pin screws with
Loctite 270 and fit, together with damper and
shield bracket. Tighten to
25 Nm.
51.Tighten top swivel pin and brake jump hose
bracket securing bolts to
65 Nm.
Check and adjust preload on bearings
52.The preload on bearings to be0,25 to 0,30 mm,
withoutswivel housing oil seal and axle fitted,
and reading from centre of swivel pin. The
torque required to turn swivel assembly from
lock to lock to be
2.0 to 2.8 Nm.Adjust by
removing or adding shims as necessary.
53.To take a reading use special tool LRT-57-024
torque test adaptor, with a torque wrench and
extension as shown.
54.Apply a recommended grease between lips of
swivel housing oil seal.
55.Secure oil seal with retaining plate and securing
bolts. Tighten to
11Nm.
56.Fit track-rod and drag link and secure with new
cotter pins.
57.Loosely fit lock stop bolt for later adjustment.
58.Fit brake disc shield.
FRONT AXLE AND FINAL DRIVE
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
FRONT AXLE
Hub driving member to hub 65........................................................................ *
Brake disc to hub 73.......................................................................................
Stub axle to swivel pin housing 65.................................................................. *
Brake caliper to swivel pin housing 82............................................................
Upper swivel pin to swivel pin housing 78...................................................... *
Upper swivel pin to swivel pin housing ABS 65..............................................
Lower swivel pin to swivel pin housing 78...................................................... *
Lower swivel pin to swivel pin housing ABS 25.............................................. *
Oil seal retainer to swivel pin housing 11........................................................
Swivel bearing housing to axle case 73.......................................................... *
Pinion housing to axle case 41.......................................................................
Crown wheel to differential housing 58...........................................................
Differential bearing cap to pinion housing 90..................................................
Differential drive flange to drive shaft 47.........................................................
Mudshield to bracket lower swivel pin 11........................................................
Disc shield to bracket lower ABS 9................................................................
Bevel pinion nut 130........................................................................................
Draglink to hub arm 40....................................................................................
Panhard rod to axle bracket 88.......................................................................
Radius arm to axle 190....................................................................................
Radius arm to chassis side member 190.........................................................
NOTE: * These bolts to be coated with Loctite 270 prior to assembly.
54FRONT AXLE AND FINAL DRIVE
2
SPECIFICATIONS, TORQUE Torque values below cover all screws and bolts used, unless 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....................................................................................................
FRONT HUB AND SWIVEL DATA
Front hub
Front hub end float 0,010 mm..................................................
Drive shaft end play 0,08 to 0,25 mm................................................
Swivel pin bearing preload
ABS vehicles - Torque to turn 2. to 3. Nm.................................
Non ABS vehicles - Resistance to turn 1,16 to 1,46Kg...................
FRONT AXLE AND FINAL DRIVE
3
SERVICE TOOLS
LRT-99-004 Impulse extractor
MS284
LRT-570-024 Torque test adaptor ABS
LST141