1995 LAND ROVER DISCOVERY ECU

ENGINE
OVERHAUL55
CRANKSHAFT, CAMSHAFT, PISTONS AND
CYLINDER BLOCK
1.Remove timing belt rear cover.
2.Remove flywheel/drive plate housing.
3.Remove fuel lift pump.
4.Remove cylinder head.
5.Remove sump, oil pick-up and drain pipes.
6.Remove oil filter head.
7.Remove brake servo vacuum pump.Crankshaft rear oil seal - remove
1.Remove 5 bolts securing rear oil seal housing
to cylinder block.
2.Remove and discard oil seal and housing.
3.
Early engines:Remove and discard 'O' ring.
4.Remove and discard gasket.

ENGINE
56
OVERHAUL Big-end bearings - remove
1.Suitably identify each oil jet tube to its fitted
location.
2.Remove bolt securing each oil jet tube
assembly to cylinder block.
3.Remove oil jet tube assemblies.
NOTE: Dowel located.
4.Recover sealing washers.
CAUTION: Oil jet tube bolts incorporate a
non-return valve.
5.Temporarily fit crankshaft pulley bolt.
6.Suitably identify fitted position of each big-end
bearing cap to its connecting rod and each
connecting rod to its respective cylinder bore.
7.Rotate crankshaft to bring numbers 1 and 4
connecting rods to BDC.
8.Remove and discard 2 nuts securing each
big-end bearing cap.
9.Remove numbers 1 and 4 big-end bearing
caps, recover bearing shells.
10.Slide suitable pieces of plastic tubing over
each connecting rod bolt.
11.Push numbers 1 and 4 connecting rods up
cylinder bores until they are clear of crankshaft
journals.
12.Repeat above procedures to remove numbers
2 and 3 big-end bearings.
CAUTION: Big-end bearing shells must
always be replaced.

ENGINE
OVERHAUL73
Camshaft - remove
1.Remove oil jet tube.
2.Clean area around baffle plate.
3.Note fitted position of 3 bolts securing baffle
plate.
4.Remove 3 bolts securing baffle plate to
cylinder block, remove plate.
5.Remove and discard gasket.
CAUTION: Do not remove cam follower
guide retaining bolts until slides and
rollers have been removed, keep
components of each cam follower assembly in
their fitted order.
6.Using long nosed pliers, remove cam follower
slide.
7.Remove roller and suitably identify which side
of roller faces towards front of cylinder block.
8.Remove and discard bolt retaining cam
follower guide.
9.Remove cam follower guide.
10.Repeat above procedures for remaining cam
follower assemblies.

ENGINE
74
OVERHAUL
11.Remove 2 bolts securing camshaft thrust plate
to cylinder block, remove and discard plate.
12.Carefully withdraw camshaft taking care not to
drop end of camshaft on to bearings.Camshaft, bearings and cam followers -
inspection
1.Check camshaft cams and bearing journals for
overheating, wear and scoring, replace
camshaft if necessary.
2.If camshaft is replaced, new bearings must be
fitted.
3.Check timing gear drive pin for security.
4.Check camshaft bearings for overheating, wear
and scoring and that lubrication holes are
clear, replace as necessary. Bearings must be
replaced as a set.
5.Check cam follower slides, rollers and cam
follower guides for signs of wear.
6.Check that each slide moves freely in its guide
and that oilways are clear. Cam followers must
be replaced as an assembly.
7.Check that oil passage in oil jet tube is clear.
8.Insert a piece of stiff wire in end of oil jet tube
and check that non-return valve can be
depressed and closes under spring pressure.