ENGINE
Crankshaft - regrinding
NOTE: Crankshaft journals may be
Main bearing caps and saddles - inspection
1. Ensure main bearing cap bolts and bolt holes
reground to the following dimensions.
are clean and dry.
Main bearing journals = 63.225 to 63.237 mm
Big-end bearing journals = 58.475 to 58.494 mm
CAUTION: Rotation of crankshaft must be
in an ANTI-CLOCKWISE direction when
viewed from flywheel end of crankshaft.
2.
Fit each main bearing cap less bearing shells
to its correct location ensuring that direction
marks on cap are facing the correct way.
Fit and tighten each pair of main bearing cap
bolts to 133 Nm.
Slacken the bolt on one side of each main
bearing cap.
Using feeler gauges, check that there is no gap
between each main bearing cap and saddle on
the side of the cap with the slackened bolt.
3.
4.
5.
1.
Grind journals ensuring that grinding wheel
travels beyond edge of journal A to avoid
formation of a step B.
6. If a gap exists, replace main bearing cap and
re-check.
CAUTION: Take care not to damage fillet
radius C.
7. If gap still exists, cylinder block must be
replaced.
2.
3.
Final finishing should be carried out using a
static lapping stone with crankshaft rotating in
a CLOCKWISE direction when viewed from
flywheel end of crankshaft.
On completion of grinding operations,
thoroughly clean crankshaft ensuring that all oil
passages are clear.
CAUTION: Do not attempt to machine
main bearing caps or saddles.
8. Remove main bearing caps.
CAUTION: Keep main bearing cap bolts
with their respective caps.
OVERHAUL
59
| Categories | Land Rover, Land Rover Defender, Land Rover Discovery |
|---|---|
| Tags | Land Rover |
| Model Year | 1997 |
| Download File |
|
| Document Type | Owners Manual |
| Language | English, German |
| Product Name | Discovery, Defender, Range Rover Gearbox |
| Product Brand | Land Rover |
| Document File Type | |
| Publisher | landrover.com |
| Wikipedia's Page | http://en.wikipedia.org/wiki/Land_Rover |
| Copyright | Attribution Non-commercial |
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