V8 Engine 3.5 3.9 4.2
INFORMATION
TORQUE WRENCH SETTINGS
1
ENGINE
Crankshaft pulley bolt
270 Nm
. . . . . . . . . . . . . . . . . . . . . . . .
200 lbf.ft
Timing cover to cylinder block bolts **
22 Nm
. . . . . . . . . . . .
16 lbf.ft
Camshaft gear bolt
50 Nm
. . . . . . . . . . . . . . . . . . . . . . . . . .
37 lbf.ft
Rocker cover bolts: + ****
Stage 1
3 Nm
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.5 lbf.ft
Stage 2
8 Nm
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6 lbf.ft
Rocker shaft to cylinder head bolts
38 Nm
. . . . . . . . . . . . . .
28 lbf.ft
Cylinder head bolts - Engine numbers without
suffix B: + *
Bolts 11 to 14 - Outer row
60 Nm
. . . . . . . . . . . . . . . . . . . .
44 lbf.ft
Bolts 2, 4, 6, 8 and 10 - Centre row
90 Nm
. . . . . . . . . . . . .
66 lbf.ft
Bolts 1, 3, 5, 7 and 9 - Inner row
90 Nm
. . . . . . . . . . . . . . .
66 lbf.ft
Cylinder head bolts - Engine numbers with suffix
B: + */****
Stage 1
20 Nm
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
15 lbf.ft
Stage 2
Further 90
°
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stage 3
Further 90
°
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lifting eye to cylinder head bolts
40 Nm
. . . . . . . . . . . . . . . .
30 lbf.ft
Connecting rod nuts/bolts:
Nuts:
50 Nm
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
37 lbf.ft
Bolts
Stage 1
20 Nm
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
15 lbf.ft
Stage 2
Further 80
°
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Main bearing cap bolts + *
Initial torque - all bolts:
14 Nm
. . . . . . . . . . . . . . . . . . . . . . .
10 lbf.ft
Final torque:
Numbers 1 to 4 main bearing cap bolts:
70 Nm
. . . . . . . . .
52 lbf.ft
Rear main bearing cap bolts:
90 Nm
. . . . . . . . . . . . . . . . . .
66 lbf.ft
Flywheel bolts
78 Nm
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
58 lbf.ft
Drive plate and clamp ring bolts
45 Nm
. . . . . . . . . . . . . . . .
33 lbf.ft
Drive plate hub aligner Allen bolts
85 Nm
. . . . . . . . . . . . . . .
63 lbf.ft
Oil sump drain plug
45 Nm
. . . . . . . . . . . . . . . . . . . . . . . . . .
33 lbf.ft
Oil sump bolts +
23 Nm
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
17 lbf.ft
Oil pick-up pipe bolts
10 Nm
. . . . . . . . . . . . . . . . . . . . . . . . .
8 lbf.ft
Oil strainer nut - Engine numbers with suffix B
22 Nm
. . . . .
16 lbf.ft
Oil pressure relief valve plug - Engine numbers
without suffix B
45 Nm
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
33 lbf.ft
Oil pump cover to timing cover - Engine numbers
without suffix B
12 Nm
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9 lbf.ft
Oil pump cover plate screws - Engine numbers
with suffix B **
4 Nm
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3 lbf.ft
Oil pump cover plate bolt - if fitted **
8 Nm
. . . . . . . . . . . . .
6 lbf.ft
Oil pressure switch
15 Nm
. . . . . . . . . . . . . . . . . . . . . . . . . .
11 lbf.ft
Oil strainer bolts
10 Nm
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7 lbf.ft
Distributor clamp nut
20 Nm
. . . . . . . . . . . . . . . . . . . . . . . . .
15 lbf.ft
Spark plug
20 Nm
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
15 lbf.ft
Coolant pump/timing cover to cylinder block
22 Nm
. . . . . . .
16 lbf.ft
Camshaft thrust plate bolts - If fitted
25 Nm
. . . . . . . . . . . . .
18 lbf.ft
Secondary air injection adapters - If fitted ***
33 Nm
. . . . . .
24 lbf.ft
+
Tighten in sequence
*
Lightly oil threads prior to assembly.
**
Coat threads with sealant Part number STC 50552 prior
to assembly.
***
New adapters must be fitted
**** New bolts must be fitted
