Rocker Shafts Refit for V8 Engine Overhaul - 35, 39, 42 Versions
ENGINE
4
OVERHAUL
Rocker shafts - refit
1. Lubricate push rods with engine oil.
2. Fit push rods in removed order.
3. Fit each rocker shaft assembly, ensuring
identification groove is uppermost and towards
front of engine on RH side and towards rear of
engine on LH side.
CAUTION: Incorrect fitment will result in
an oil feed restriction.
4. Fit bolts and tighten to 38 Nm (28 lbf.ft).
5. Clean gasket surface in rocker cover and on
cylinder head, ensure bolt holes are clean and
dry.
6. Fit new gasket, dry, to rocker cover.
CAUTION: Replace cork gasket(s) with
modified gaskets which incorporate
compression limiters in the bolt holes.
7. Fit rocker cover to cylinder head, fit new,
’patched’ multi-hex bolts and tighten by
diagonal selection to:
Stage 1 - 3 Nm (2.5 lbf.ft)
Stage 2 - 8 Nm (6 lbf.ft)
CAUTION: The 2 short screws/bolts must
be fitted on side of cover nearest centre of
engine. Ensure that outer rim of gasket is
correctly positioned around periphery of rocker
cover.
8. LH rocker shaft only: Align dipstick tube to
rocker cover, fit and tighten screw.