Land Rover 4 0 4 6 V8 Engine Overhaul 3rd Edition Rover Manual

INFORMATION
2
DATA, TORQUE & TOOLS Piston rings
Ring to groove clearance:
1st compression 0.05 to 0.10 mm...........................0.002 to 0.004 in
2nd compression 0.05 to 0.10 mm..........................0.002 to 0.004 in
Ring fitted gap:
1st compression 0.3 to 0.5 mm...........................0.01 to 0.02 in
2nd compression 0.40 to 0.65 mm..........................0.016 to 0.03 in
Oil control rails 0.38 to 1.40 mm............................0.014 to 0.05 in
Oil control ring width 3.00...

INFORMATION
DATA, TORQUE & TOOLS3
Big-end bearings
Big-end bearing diametrical clearance 0.015 to 0.055 mm...........0.0006 to 0.0021 in
Oversizes 0.254, 0.508 mm................................0.01, 0.02 in
End-float on journal 0.15 to 0.36 mm..........................0.006 to 0.01 in
Flywheel
Flywheel minimum thickness 40.45 mm................... 1.6in
Drive plate
Drive plate setting height:
Up to engine no. 42D00593A - 4.0 litre 21.25 to 21.37 mm.........0.83 to 0.84 in
Up to engine no. 46D00450A -...

INFORMATION
TORQUE WRENCH SETTINGS1
ENGINE
Crankshaft pulley bolt 270 Nm........................ 200lbf.ft
Camshaft gear bolt 50 Nm.......................... 37lbf.ft
Camshaft thrust plate bolts 25 Nm.................... 18lbf.ft
Rocker cover bolts: +
Stage 1 4 Nm.................................. 3lbf.ft
Stage 2 8 Nm.................................. 6lbf.ft
Stage 3 - re-torque to: 8 Nm....................... 6lbf.ft
Rocker shaft to cylinder head bolts 38 Nm.............. 28lbf.ft
Cylinder head bolts:...

INFORMATION
2
TORQUE WRENCH SETTINGS GENERAL
For bolts and nuts not otherwise specified
M5 4 Nm....................................... 3lbf.ft
M6 6 Nm....................................... 4lbf.ft
M8 18 Nm....................................... 13lbf.ft
M10 35 Nm...................................... 26lbf.ft
M12 65 Nm...................................... 48lbf.ft
M14 80 Nm...................................... 59lbf.ft
M16 130 Nm...................................... 96lbf.ft
1/4UNC/UNF 9...

INFORMATION
SERVICE TOOLS1
SERVICE TOOLS
Land Rover Number Rover Number Description
LRT-12-013 18G1150 Remover/replacer - gudgeon pin
LRT-12-126/1 - Adapter - remover/replacer - gudgeon pin
LRT-12-126/2 - Adapter - remover/replacer - gudgeon pin
LRT-12-126/3 - Parallel sleeve - gudgeon pin
LRT-12-034 18G1519A Valve spring compressor
LRT-12-037 RO274401 Drift - remover - valve guide
LRT-12-038 RO600959 Drift - replacer - valve guide
LRT-12-055 - Distance piece - valve guide
LRT-12-089 - Replacer - timing...

ENGINE
CONTENTS
Page
DESCRIPTION AND OPERATION
CYLINDER BLOCK COMPONENTS 3....................................
CYLINDER HEAD COMPONENTS 5.....................................
OPERATION 6......................................................
OVERHAUL
ROCKER SHAFTS 1..................................................
Rocker shafts - remove 1..............................................
Rocker shafts - dismantling 2...........................................
Inspecting components...

ENGINE
CONTENTS
Page
Pistons - refit 31.....................................................
Piston to cylinder bore clearance - checking 32.............................
Pistons and connecting rods - refit 32.....................................
FLYWHEEL AND STARTER RING GEAR 33...............................
Flywheel - remove 33.................................................
Flywheel and starter ring gear - inspection 34...............................
Starter ring gear - renew...

ENGINE
DESCRIPTION AND OPERATION1
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