Porsche 928 Workshop Manual page 100

928
Engine, Crankcase
10
Engine tightening torques (32~valve engine)
Location
/-
Thread
I
Main bearing bolts
Main bearing bolts
Oil pump bolts
Connecting rod bolts
Verbusrip nut
928 GTS (5.4 I) Engine
Type M 28.49150
Connecting rod bolts
(forged con-rods)
Verbusrip nut
Cylinder head studs
Cylinder head hexagon
head bolts
Camshaft bearing
saddles to cylinder head
Hex socket head bolts for
chain tensioner
Banjo bolt /
chain tensioner
Check valve /
chain tensioner
Camshaft bolt union
Cylinder head cover
Spark plugs
Flywheel bolts
M 12 x 1.5
M 10
M8
M 10 x 1.25
M 10 x 1.25
M6
M8
M6
M8X1
MlOxl
M 10 x 1.5
M6
M 14 x 1.25
M 10 x 1.25
Tightening torque Nm (ftlb)
1st stage 30 (22)
2nd stage 55 (41)
3rd stage 75 +5 (55 c4)
1st stage 20 (15)
2nd stage 50 + 5 (37 + 4)
1st stage 15 (11)
2nd stage
20 (15)
75 (55)
25 + 90" tightening angle
a
Engine tightening torques (32~valve engine)
Printed in Germany - XXVII, 1991
1st stage
2nd stage
3rd stage
4th stage
1st stage
2nd stage
3rd stage
10 (7)
20 (15)
10 (7)
10 (7)
15 (11)
65 (48)
10 (7)
25 to 30 (18 to 22)
1st stage
2nd stage
20 (15)
90" torque angle
90" torque angle
90" torque angle
20 (15)
90" torque angle
90" torque angle
40 (30)
90 (66)
10 - 07