Land Rover engine 300 TDi. Manual — part 14
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
OVERHAUL
37
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 pin LRT-12-045 is 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
pin LRT-12-045 and gear.
CAUTION: Do not remove nut securing
hub to pump.
ENGINE
OVERHAUL
39
5. Remove 3 bolts securing mounting bracket and
baffle plate to cylinder block.
6. Remove 2 bolts securing mounting bracket to
injection pump, remove bracket.
7. Remove banjo bolt securing fuel spill return
pipe to injection pump, discard sealing
washers.
CAUTION: Plug open connections to
prevent ingress of dirt.
8. Remove 3 nuts securing injection pump to
timing belt rear cover, remove injection pump.
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