Workshop Manuals Factory service & repair Land Rover
01 4.0 & 4.6 Litre V8 Engine - 4th Edition02 03 04 05 INFORMATION06 07 08 GENERAL DATA09 10 11 12 TORQUE WRENCH SETTINGS13 SERVICE TOOLS14 15 16 17 18 DESCRIPTION AND OPERATION19 20 21 OVERHAUL
Land Rover Engine Overhaul Manual v8 4.0 4.621 · OVERHAUL
21 · General

Cylinder head - refit

Make
Land Rover
Model
Engines Engine Overhaul Manual v8 4.0 4.6
Section
Cylinder head - refit
OVERHAULCylinder head - refit
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ENGINE

14

OVERHAUL

Cylinder head - refit

1. Clean cylinder block and cylinder head faces

using suitable gasket removal spray and a
plastic scraper.

2. Ensure that bolt holes in cylinder block are

clean and dry.

CAUTION: Do not use metal scraper or
machined surfaces may be damaged.

3. Fit cylinder head gasket with the word ’TOP’

uppermost.

NOTE: Gasket must be fitted dry.

4. Carefully fit cylinder head and locate on

dowels.

5. Lightly oil threads of new cylinder head bolts.

NOTE: RH cylinder head illustrated.

6. Fit new cylinder head bolts:

Long bolts: 1, 3 and 5
Short bolts: 2, 4, 6, 7, 8, 9 and 10

7. Using sequence shown, tighten cylinder head

bolts to:
Stage 1 - 20 Nm (15 lbf.ft)
Stage 2 - 90 degrees
Stage 3 - Further 90 degrees

CAUTION: Do not tighten bolts 180

°

in one

operation.

Engines fitted with secondary air injection (SAI)

8. Fit new secondary air injection adapters and

using a suitable hexagonal drive bit, tighten to
33 Nm (24 lbf.ft).

CAUTION: Do not use air tools to tighten
adapters.

All engines

9. Fit rocker shaft assembly.

10. Repeat above procedures for remaining

cylinder head.

Parts & tools for this job Staging For Land Rover Engines

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