Land Rover Engine 2.0 Litre L Series. Manual — part 12
ENGINE
38
OVERHAUL
7. Using sealant, Part No. GUG 705963GM,
apply a 1 mm thick bead of sealant to joint line
of front - Number 1 main bearing cap and
cylinder block.
CAUTION: Do not fill grooves on either
side of main bearing cap or apply sealant
to sump mating flange of main bearing
cap until immediately before sump is fitted.
8. Position a new gasket to cylinder block.
CAUTION: Gasket must be fitted dry.
9. Insert oil seal protector LRT-12-070 and
adaptor sleeve LRT-12-130 into oil pump inner
rotor.
NOTE: This will assist in locating oil pump
inner rotor on Woodruff key.
10. Align Woodruff key slots in oil pump inner rotor
with Woodruff key
11. Ensure bolt holes in cylinder block are clean
and dry.
12. Slide oil pump over crankshaft ensuring
Woodruff key is located in keyway in inner
rotor, locate oil pump on dowels.
NOTE: Tools LRT-12-070 and LRT-12-130
will be displaced as pump is fitted.
ENGINE
OVERHAUL
39
13. Fit and lightly tighten bolts ensuring that
longest M6 bolt is fitted at position 1 and M10
bolt at position 9.
NOTE: Patchlok bolts may be re-used
provided threads are undamaged.
14. Gradually tighten bolts in sequence shown until
oil pump is pulled against cylinder block.
CAUTION: Bolt tightening must be done
gradually due to tight fit of pump rotor on
crankshaft. Damage to oil pump will result
if the above procedure is not followed.
15. Finally, tighten bolts in sequence shown to:
M6 bolts - 8 Nm
M10 bolt - 45 Nm
16. Ensure sealing strips are fitted to camshaft
timing belt lower rear cover.
17. Fit lower rear cover, fit and tighten screws to 8
Nm.
18. Fit camshaft timing belt idler pulley ensuring
that recessed side of centre boss faces away
from engine.
19. If idler pulley stud was unscrewed during nut
removal, clean old Loctite from threads of stud
and ensure hole in cylinder block is clean and
dry. Apply Loctite 275 to threads of stud and
screw it into block, tighten stud to 12 Nm.
20. Apply Loctite 275 to threads of idler pulley nut,
fit and tighten nut to 45 Nm.
21. Slide timing gear on to crankshaft.
22. Fit new camshaft timing belt and adjust
tension.
CRANKSHAFT, MAIN AND BIG-END BEARINGS
Crankshaft rear oil seal - remove
1. Remove 5 bolts securing rear oil seal housing
to cylinder block, remove and discard housing
and oil seal.
ENGINE
40
OVERHAUL
Big-end bearings - remove
1. Suitably mark cylinder reference number on
each big-end bearing cap and connecting rod.
2. Remove 2 bolts securing each big-end bearing
cap, remove caps and recover big-end bearing
shells.
NOTE: The big-end bearing shells do not
have location tags for locating the
bearings in the connecting rod and
bearing cap. The big-end to connecting rod bolts
are off-set 1 mm to prevent incorrect fitment of
the bearing cap to the connecting rod.
CAUTION: Keep bolts and bearing caps in
their fitted order. Big-end bearing shells
should always be replaced whenever
crankshaft is removed.
3. Push each connecting rod up cylinder bore
until connecting rod is clear of the crankshaft
journals.
CAUTION: Ensure connecting rods do not
contact oil squirt jets or cylinder bores.
Crankshaft end-float - check
1. Attach a magnetic base Dial Test Indicator to
front of cylinder block, move crankshaft
rearwards, position stylus on end of crankshaft
and zero DTI.
2. Move crankshaft forwards, measure and record
end-float figure obtained:
End-float = 0.03 to 0.26 mm
3. If end-float exceeds above dimension, new
thrust washers must be fitted:
Thrust washer thickness = 2.31 to 2.36 mm
ENGINE
OVERHAUL
41
Crankshaft - remove
NOTE: Crankshaft end-float must be
checked prior to removing crankshaft.
1. Check that identification marks 1 to 5, and the
direction arrows which face towards the front of
the engine are marked on each main bearing
cap.
NOTE: The identification marks on number
2 main bearing cap are concealed by the
oil strainer mounting bracket which is
secured to the bearing cap.
2. Starting at centre main - Number 3 main
bearing cap and working outwards,
progressively loosen, then remove 2 bolts
securing each cap.
CAUTION: Keep bolts in their fitted order.
3. Using fingers only, rock each main bearing cap
until it is released from locating dowels.
CAUTION: Do not tap caps sideways.
4. Remove main bearing caps and plain bearing
shells.
5. Using assistance, remove crankshaft.
6. Recover upper, grooved main bearing shells
and 2 thrust washers.
7. Using a suitable cleaning solvent, remove
sealant from front - Number 1 main bearing
cap and cylinder block.
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст