V8 Engine 3.5 3.9 4.2
ENGINE
OVERHAUL
21
Timing cover - refit - Engine numbers without
suffix B
1. Clean sealant from threads of cover bolts.
2. Clean all traces of old gasket material from
timing cover and mating face of cylinder block,
ensure that bolt holes are clean and dry.
CAUTION: Use a plastic scraper.
3. Use a lint free cloth and thoroughly clean oil
seal location in timing cover.
4. Position new gasket, fitted dry, to cylinder
block.
5. Coat threads of timing cover bolts with sealant,
Part number STC 50552.
6. Fit timing cover, fit bolts and nut and tighten
progressively, by diagonal selection to 22 Nm
(16 lbf.ft).
7. Unwaxed oil seal only: Lubricate new oil seal
sealing surfaces with engine oil.
CAUTION: If replacement oil seal has a
waxed coating, it must be fitted dry DO
NOT lubricate oil seal or recess in timing
cover.
8. Locate seal to timing cover and press seal in
squarely until flush with front face of timing
cover.
9. Fit crankshaft pulley.
10. Fit spacer washer to pulley bolt.
11. Fit bolt and using tool LRT-12-080 restrain
crankshaft pulley and tighten bolt to 270 Nm
(200 lbf.ft).
12. Remove tool LRT-12-080.
Timing cover - refit - Engine numbers with suffix
B
NOTE: Timing cover, oil pump, oil
pressure by-pass valve and oil pressure
relief valve are only supplied as an
assembly.
1. Clean sealant from threads of timing cover
bolts.
2. Clean all traces of gasket material from mating
faces of timing cover and cylinder block,
ensure that bolt holes are clean and dry.
CAUTION: Use a plastic scraper.
3. Clean oil seal location in timing cover.
4. Position a new gasket, fitted dry, to timing
cover locating dowels.
5. Position oil pump drive gear in timing cover
with groove towards front of timing cover.
6. Lubricate a new ’O’ ring with engine oil and fit
to oil pick-up pipe.
7. Locate tool LRT-12-090 on timing cover and oil
pump drive gear.
8. Position timing cover to cylinder block and oil
pick-up pipe and at the same time, rotate tool
LRT-12-090 until drive gear keyway is aligned
with Woodruff key.
9. Fit timing cover.
10. Smear threads of timing cover bolts with
sealant, Part number STC 50552.
