Land Rover 3 5 3 9 4 2 V8 Engine Overhaul 1997 Rover Manual

ENGINE
2
DESCRIPTION AND OPERATION 

ENGINE
DESCRIPTION AND OPERATION3
CYLINDER BLOCK COMPONENTS
1.Cylinder block
2.Piston and gudgeon pin
3.Connecting rod
4.Core plugs
5.Camshaft
6.Dipstick
7.Camshaft key
8.Timing chain
9.Camshaft sprocket
10.Spacer
11.Distributor drive gear - if fitted
12.Distributor - if fitted
13.Oil pump gears *
14.Timing cover and gasket *
15.Timing cover oil seal *
16.Crankshaft pulley
17.Crankshaft sprocket
18.Woodruff key
19.Crankshaft20.Centre main bearing shell - upper
21.Crankshaft rear oil seal
22.Rear main...

ENGINE
4
DESCRIPTION AND OPERATION
CYLINDER HEAD COMPONENTS
1.Cylinder head
2.Rocker cover
3.PCV filter
4.Rocker shaft
5.Tappet
6.Pushrod
7.Rocker shaft bracket
8.Rocker arm
9.Rocker shaft spring
10.PCV air intake filter11.Engine oil filler cap
12.Inlet valve seal, spring, cap, and collets
13.Exhaust valve seal, spring, cap and collets
14.Inlet valve and seat
15.Exhaust valve and seat
16.Inlet manifold gasket and seals
17.Cylinder head gasket
18.Valve guide
19.Bolts - cylinder head 

ENGINE
DESCRIPTION AND OPERATION5
Engine without suffix B added to serial no. illustrated
OPERATION
The V8 engine is an eight cylinder, water cooled unit
comprising of cast aluminium cylinder block and
cylinder heads.
The two banks of cast iron cylinder liners are shrink
fitted and are located on stops in the cylinder block.
The banks of cylinders are set at 90°to each other.
The crankshaft is carried in five main bearings,
end-float being controlled by the thrust faces of the
upper centre main bearing...

ENGINE
6
DESCRIPTION AND OPERATION Lubrication - Engine numbers without suffix B
1.Oil strainer
2.Crankshaft main bearing oil feed
3.Oil pressure relief valve
4.Oil pump5.Main gallery
AOil to cooler
BOil from cooler 

ENGINE
DESCRIPTION AND OPERATION7
Lubrication - Engine numbers with suffix B
1.Oil strainer
2.Oil pump
3.Pressure relief valve
4.Oil pressure switch5.Main gallery
AOil to cooler
BOil from cooler
Engine numbers without suffix B
The full flow lubrication system uses an external
gear pump which is driven by the distributor drive
shaft. The oil pump gears are housed in the timing
cover and the oil pressure relief valve and warning
light switch are fitted to the oil pump cover.
Engine numbers with suffix B...

ENGINE
8
DESCRIPTION AND OPERATION Distributor drive and timing chain lubrication
1.Bearing
2.Camshaft
3.Key
4.Camshaft timing chain sprocket
5.Spacer
6.Distributor drive gear
The distributor drive and timing chain are lubricated
from the camshaft front bearing. The feed to the
timing chain is channelled along the camshaft
sprocket, key and spacer.Hydraulic tappets1.Clip
2.Pushrod seat
3.Inner sleeve
4.Upper chamber
5.Non-return ball valve
6.Spring
7.Outer sleeve
8.Lower chamber - high pressure
The...

ENGINE
OVERHAUL1
ROCKER SHAFTS
Rocker shafts - remove
1.LH rocker shaft only:Remove screw securing
dipstick tube to rocker cover.
2.Remove 4 Allen screws securing rocker cover
to cylinder head.
NOTE: Note fitted position of 2 long
screws. Later engines - multi-hex bolts are
used.
3.Remove rocker cover.
4.Remove and discard gasket from rocker cover.
5.Mark each rocker shaft in relation to original
cylinder head.
CAUTION: Incorrect fitment of rocker
shafts will lead to an oil feed restriction....

ENGINE
2
OVERHAUL Rocker shafts - dismantling
1.Remove and discard split pin from one end of
rocker shaft.
2.Remove plain washer, wave washer, rocker
arms, brackets and springs.Inspecting components
1.Thoroughly clean components.
2.Inspect each component for wear, in particular
rocker arms and shafts. Discard weak or
broken springs.
3.Inspect push rod seats in rocker arms.
4.Check push rods for straightness and inspect
ball ends for damage, replace as necessary. 

ENGINE
OVERHAUL3
Rocker shafts - assembling
1.Assemble rocker shafts with identification
groove at one oclock position with push rod
end of rocker arm to the right.
CAUTION: If rocker shafts are incorrectly
assembled and fitted to engine, oil supply
to rocker arms will be restricted.
2.Fit new split pin to one end of rocker shaft.
3.Fit plain washer and wave washer.
4.Lubricate rocker arm bushes with clean engine
oil.
5.Early type rocker arms are angled, and must
be fitted with the valve end of the...