ECU LAND ROVER DISCOVERY 1995 Service Repair Manual

ENGINE
OVERHAUL43
Refit
1.Clean all traces of carbon from injector ports.
2.Fit a new sealing washer to injector, insert
injector into port ensuring that spill return banjo
bolt hole faces away from cylinder head.
3.Position injector clamp to injector and cylinder
head stud ensuring that raised 'pip' on concave
face of clamp faces upwards.
4.Fit and tighten injector clamp nut to 25 Nm.
5.Position spill return pipes to injector, fit banjo
bolt and 2 new sealing washers.
6.Tighten banjo bolt to 10 Nm.
7.Repeat above procedures for remaining
injectors.
8.Position fuel pipes to injector and fuel injection
pump, tighten connections.GLOW PLUGS
Remove
1.Remove nut and washer securing harness to
glow plug, release harness from plug.
2.Remove glow plug.
3.Repeat above procedures for remaining plugs.
Refit
1.Fit glow plug and tighten to 20 Nm.
2.Connect harness to glow plug, fit and tighten
nut.
3.Repeat above procedures for remaining plugs.

ENGINE
OVERHAUL45
SUMP, OIL PICK-UP AND DRAIN PIPES
Sump - remove
1.Using sequence shown, progressively slacken,
then remove 22 bolts securing sump to cylinder
block.
2.Remove sumpOil pick-up and drain pipes - remove1.Remove bolt securing oil pick-up pipe flange to
timing belt rear cover.
2.Remove 4 bolts securing oil pick-up and drain
pipes to cylinder block and main bearing cap
bolts.
3.Remove oil pick-up and drain pipes.
4.Remove and discard 'O' ring and gasket.

ENGINE
46
OVERHAUL Oil pick-up and drain pipes - refit
1.Clean oil pick-up and drain pipes and strainer,
remove all traces of gasket using suitable
gasket removal spray and a plastic scraper.
2.Ensure bolt holes in timing belt rear cover,
cylinder block and main bearing cap bolts are
clean and dry and that all traces of Loctite are
removed from holes in main bearing cap bolts.
CAUTION: Do not use a tap to remove
Loctite from bolt holes.
3.Lubricate a new 'O' ring with engine oil and fit
to oil pick-up pipe.
4.Position a new gasket to cylinder block.
5.Position oil pick-up pipe to timing belt rear
cover and drain pipe to cylinder block.
6.Apply Loctite 242E to threads of oil pick-up
pipe to main bearing cap bolts, fit bolts and
tighten to 9 Nm.
7.Fit bolts securing oil pick-up and drain pipes to
cylinder block and timing belt rear cover,
tighten to 25 Nm.

ENGINE
48
OVERHAUL
2.Temporarily fit crankshaft pulley.
3.Position toolLRT-12-080to crankshaft pulley,
secure with 4 bolts.
4.Restrain crankshaft pulley using tool
LRT-12-080and remove 8 bolts securing
flywheel; discard locking plate - if fitted.
5.Using assistance, remove flywheel using 2
slave bolts.
NOTE: Dowel located.

ENGINE
OVERHAUL51
DRIVE PLATE
Remove
1.Temporarily fit crankshaft pulley - if removed.
2.Position toolLRT-12-080to crankshaft pulley,
secure using 4 bolts.
3.Restrain crankshaft using toolLRT-12-080
and remove 8 bolts securing drive plate,
discard locking plate - if fitted.
4.Remove drive plate, recover spacer and shims.
NOTE: Dowel located.

ENGINE
OVERHAUL53
9.Position selected shims, spacer and drive plate
to crankshaft.
NOTE: Dowel located.
10.Fit and finger tighten 8 bolts.
NOTE: Locking plate is no longer required.
11.Restrain crankshaft using toolLRT-12-080
and tighten drive plate bolts to 146 Nm.
12.Remove toolLRT-12-080and crankshaft
pulley.FLYWHEEL/DRIVE PLATE HOUSING
Remove
1.Remove flywheel/drive plate.
NOTE: Flywheel housing illustrated.
2.Remove 2 bolts securing top of housing to
cylinder block.
3.Remove 4 bolts securing housing to engine
mountings.
4.Progressively slacken then remove 6 bolts
securing housing to cylinder block.
5.Remove housing.

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.