Land Rover Engine 1.8 Litre K Series. Manual — part 6
ENGINE
10
OVERHAUL
10. Fit timing belt lower cover ensuring correct
position of seals, fit screws and tighten to 9
Nm.
11. Fit crankshaft pulley to crankshaft gear
ensuring that indent on pulley locates over lug
on gear.
12. Fit crankshaft pulley bolt and washer, tighten
bolt to 205 Nm.
13. Remove camshaft gear and flywheel locking
tools.
14. Using a 6 mm Allen key, rotate tensioner
anti-clockwise and align the centre of the
indent on the tensioner pointer to the index
wire.
CAUTION: Ensure that pointer approaches
index wire from above. Should pointer go
past index wire, release tension
completely and repeat tensioning procedure.
15. Ensuring that pointer maintains correct
position, tighten tensioner bolt to 25 Nm.
ENGINE
OVERHAUL
11
16. Using crankshaft pulley bolt, rotate crankshaft
2 turns clockwise and align camshaft gear
timing marks.
CAUTION: Do not use camshaft gears,
gear retaining bolts or timing belt to rotate
crankshaft.
17. Check that pointer is still correctly aligned with
index wire.
CAUTION: If pointer is not correctly
aligned, carry out the following procedure.
18. Slacken tensioner bolt until it is just possible to
move the tensioner lever. Using a 6 mm Allen
key, rotate tensioner lever clockwise until
pointer is just above the index wire then rotate
tensioner lever anti-clockwise until pointer is
correctly aligned with index wire.
19. Ensuring that pointer maintains correct position
tighten tensioner bolt to 25 Nm.
20. Using crankshaft pulley bolt, rotate crankshaft
2 turns clockwise and align camshaft gear
timing marks.
21. Check that pointer is still correctly aligned with
index wire.
22. Ensure inserts are fitted in timing belt upper
front cover.
23. Fit timing belt upper front cover ensuring
correct position of seal, fit screws, tighten
screws and bottom bolt to 5 Nm.
ENGINE
12
OVERHAUL
OIL PUMP
Remove
1. Remove and discard camshaft timing belt.
2. Remove crankshaft timing gear.
3. Noting fitted position of M6 x 20 bolt ’A,’
remove and discard 9 bolts securing oil pump
to cylinder block.
4. Remove oil pump assembly.
NOTE: Dowel located.
5. Remove and discard oil pump gasket.
6. Remove and discard crankshaft front oil seal.
Inspection
1. Remove 2 screws and cover plate.
2. Remove and discard cover plate seal.
3. Check rotor clearances:
a. Outer rotor to housing = 0.28 - 0.36 mm
b. Inner rotor tip = 0.05 - 0.13 mm
c. Rotor end float = 0.02 - 0.06 mm
Renew pump assembly if housing is scored or
clearances are excessive.
ENGINE
OVERHAUL
13
CAUTION: Two types of oil pump have
been fitted. The early type oil pumps can
be identified by having either a plain 6 mm
diameter oil feed hole or an 8 mm diameter oil
feed hole with a 6 mm counterbore - A in
illustration. Later type oil pumps all have a 12
mm diameter oil feed hole with an 8 mm diameter
offset counterbore - B in illustration. Later type
oil pumps may be fitted as replacements to all
engines but early type pumps may not be fitted
to later engines.
4. Remove all traces of Loctite from cover plate
securing screws and tapped holes in oil pump
body; ensure screw holes are clean and dry.
Oil pressure relief valve
1. Unscrew plug, discard sealing washer.
2. Remove spring and relief valve sleeve
assembly.
3. Check that valve sleeve slides freely in bore
and that bore and sleeve are free from scoring
and corrosion.
NOTE: Light corrosion may be removed
using grade 600 emery cloth soaked in
engine oil.
4. Check free length of spring:
Spring free length = 38.9 mm
Replace relief valve as an assembly if scoring
of plunger is evident or free length of spring is
less than specified. Replace oil pump if relief
valve bore is scored.
5. Remove all traces of Loctite from plug and
threads in relief valve bore.
CAUTION: Do not use a tap.
6. Apply Loctite 577 to threads of plug.
7. Fit plug, use a new sealing washer.
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