1995 LAND ROVER DISCOVERY engine oil

ENGINE
OVERHAUL35
8.Using sequence shown, tighten bolts to 25 Nm.
9.Fit oil pick-up pipe and sump.
10.Lubricate a new crankshaft front oil seal with
engine oil.
11.Fit oil seal using toolLRT-12-079.
12.Lubricate a new camshaft oil seal with engine
oil.
13.Fit oil seal using toolLRT-12-082.
14.Fit fuel injection pump.
15.Fit timing belt, tensioner and gears.

ENGINE
36
OVERHAUL OIL FILTER HEAD
Remove
1.Remove and discard oil filter element.
2.Remove 4 bolts securing filter head to cylinder
block.
3.Remove filter head, remove and discard
gasket.Thermostatic valve - remove
1.Secure oil filter head in a soft-jawed vice with
thermostatic valve vertically upwards.
2.Remove 2 bolts securing thermostatic valve
extension housing to oil filter head.
3.Remove extension housing, remove and
discard 'O' ring.
4.Withdraw thermostatic valve and spring.
CAUTION: Do not separate valve from
spring.

ENGINE
OVERHAUL37
Inspecting components
1.Check thermostatic valve spring for distortion
and corrosion.
CAUTION: Do not separate valve from
spring.
2.Check valve for corrosion, seating faces of
valve and extension housing for damage and
pitting; replace valve as an assembly.
3.Check valve bore for corrosion. Light corrosion
must be removed from valve bore using grade
600 emery cloth soaked in oil.
4.Check oil passages in oil filter head are clear.Thermostatic valve - refit
1.Secure oil filter head in a soft-jawed vice with
thermostatic valve bore vertically upwards.
2.Lubricate a new 'O' ring with engine oil and fit
to thermostatic valve extension housing.
3.Lubricate thermostatic valve and bore with
engine oil.
4.Fit thermostatic valve and spring.
5.Position extension housing to oil filter head
ensuring that thermostatic valve is positioned
centrally in housing.
6.Fit and progressively finger tighten 2 bolts
ensuring that thermostatic valve remains
correctly positioned in extension housing.
7.Tighten bolts to 9 Nm.

ENGINE
38
OVERHAUL Oil filter head - refit
1.Remove all traces of gasket from oil filter head
and cylinder block using suitable gasket
removal spray and a plastic scraper.
2.Smear a new gasket with engine oil and
position on oil filter head.
3.Fit oil filter head, fit 4 bolts and tighten to 45
Nm.
4.Smear sealing ring of new oil filter element with
engine oil and fit to oil filter head.
5.Plug open pipe connections to prevent ingress
of dirt.FUEL INJECTION PUMP
Remove
1.Remove timing belt.
2.Remove fuel pipes from pump and injectors.3.Ensure that timing pinLRT-12-045is inserted
in injection pump gear hub plate and injection
pump hub.
4.Remove 3 bolts securing hub and injection
pump gear to injection pump, remove timing
pinLRT-12-045and gear.
CAUTION: Do not remove nut securing
hub to pump.

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
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.