ENGINE
7.
8.
Check valve stem to guide clearance.
Valve stem to guide clearance D:
Inlet = 0.25 to 0.66 mm
Exhaust = 0.38 to 0.78 mm
Check condition of valve springs:
Free length = 48.30 mm
Fitted length = 40.40 mm
Load at fitted length = 339 ± 10N
Load at valve open length = 736 ± 22N
Valves, valve springs and guides - inspection
1.
Clean cylinder head, valve springs, valves and
valve guide bores.
2.
3.
Check existing valve stem and head diameters.
Check valve stem to guide clearance using
new valves.
CAUTION: Valve springs must be replaced
as a complete set.
Valve guide - renew
1.
2.
Using valve guide remover, LRT-12-037 press
valve guide out from combustion chamber side
of cylinder head.
NOTE: Service valve guides are 0.025mm
oversize on outside diameter to ensure
interference fit.
Lubricate new valve guide with engine oil and
place in position.
4.
Renew valves and guides as necessary.
Valve head diameter A:
Inlet = 39.75 to 40.00 mm
Exhaust = 34.226 to 34.48 mm
Valve stem diameter B:
Inlet = 8.664 to 8.679 mm
Exhaust = 8.651 to 8.666 mm
Check installed height of each valve.
Valve installed height C= 47.63 mm
Renew valve/valve seat insert as necessary.
5.
6.
OVERHAUL
5
| Categories | Land Rover, Land Rover Discovery |
|---|---|
| Tags | Land Rover |
| Model Year | 1996 |
| Download File |
|
| Document Type | Workshop Manual |
| Language | English |
| Product Name | 3.5, 3.9 and 4.2 Litre V8 engines |
| Product Brand | Land Rover |
| Engine Manufacturer | Rover Group |
| Engine Motor Size | 3.5L, 3.9L, 4.2 Litre |
| Document File Type | |
| Publisher | landrover.com |
| Wikipedia's Page | http://en.wikipedia.org/wiki/Land_Rover |
| Copyright | Attribution Non-commercial |
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