Inspection of Cylinder Head for V8 Engine Overhaul - 35, 39, 42 Models
ENGINE
6
OVERHAUL
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.
Cylinder head - inspection
1. Clean all traces of gasket material from
cylinder head using a plastic scraper.
2. Check core plugs for signs of leakage and
corrosion, replace as necessary. Apply sealant,
Part number STC 50552 to threads of threaded
core plugs.
3. Check gasket face of each cylinder head for
warping, across centre and from corner to
corner:
Maximum warp = 0.05 mm (0.002 in)
