Rover V8 Cylinderheads

Cylinder head - remove

1. Remove rocker shaft assembly.
2. Mark heads LH and RH for reassembly.

3. Using sequence shown, remove 14 bolts securing cylinder head to cylinder block.

4. Using sequence shown, remove and discard 10 bolts securing cylinder head to cylinder block.

NOTE: No bolts are fitted in the four lower holes in each cylinder head.

5. Release cylinder head from 2 dowels and remove cylinder head.
6. Remove and discard cylinder head gasket.

 

Valves and springs - remove

1. Remove spark plugs.
2. Using valve spring compressor LRT-12-034 or a suitable alternative, compress valve spring.
3. Remove 2 collets.
4. Release spring compressor and remove valve, valve spring cap and valve spring.
5. Repeat above operations for remaining valves.

CAUTION: Keep valves, springs, caps and collets in fitted order.

6. Remove and discard valve stem oil seals.

For further inspection, renewal, refit of the valves, see the "valves" page.

 

Cylinder head - refit

1. Clean cylinder block faces using a suitable release agent and plastic scraper; ensure that bolt holes in cylinder block are clean and dry.

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

2. Engine numbers without suffix B: Thoroughly clean threads of cylinder head bolts.

Cylinder head bolts - Cylinder head bolts fitted to engines without suffix B added to serial number are not interchangeable with those fitted to engines with suffix B added to serial number.

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

NOTE: Gasket must be fitted dry.

CAUTION: Engines without suffix B have a steel gasket whilst engines with suffix B have a composite gasket. The two types of gasket are not interchangeable and it is essential to ensure that the correct type of gasket is fitted.

4. Carefully fit cylinder head and locate on dowels.
5. Lightly oil threads of cylinder head bolts.

6. Fit cylinder head bolts:
Long bolts: 1, 3 and 5.
Medium bolts: 2, 4, 6, 7, 8, 9, and 10.
Short bolts: 11, 12, 13 and 14.
7. Using sequence shown, progressively tighten cylinder head bolts to correct torque.

9. Using sequence shown, tighten cylinder head bolts to:
Stage 1 - Correct torque
Stage 2 - 90°
Stage 3 - Further 90°

All engines
10. Fit rocker shaft assembly.