Right Cylinder Head, Removing, M62 Engine - BMW 5251 Service Manual

/Cylinder Head Removal and Installation
-
Remainder of installation is reverse of removal, noting the fol-
lowing:
Use new gaskets when mounting intake manifold. Tighten
nuts finger tight first, then torque to specification in stages
working diagonally from center out.
Be sure to reinstall ignition coil ground straps at cylinders
no. 3 and no. 7. See
120
Ignition System.
Reinstall cooling fan and shroud. See 170 Radiator and
Cooling System.
Refill and bleed cooling system as described in
170
Radi-
ator and Cooling System.
Change engine oil and filter as described in
020
Mainte-
nance.
CA U T I O G
To prevent damaging engine electricalsystems, be sure to in-
stall all ground wires previously removed.
Tightening torques
Camshaft sprocket to camshaft 15 Nm (11 H-lb)
Coolant manifold to cylinder head 10 Nm (7.5 H-lb)
Cylinder head cover nuts 10 Nm (7.5 ft-lb)
Exhaust manifold to head
22
Nm (17 ft-lb)
Engine mounts to subirame 42
Nm
(30
ft-lb)
Spark plugs to cylinder head
22
Nm (17 ft-lb)
Right cylinder head, removing, M62 engine
-
Remove left side exhaust manifold. See
180
Exhaust Sys-
tem.
-
Remove intake manifold. See Intake manifold, removal
and installation, M62 engine.
-
Drain engine coolant. See
170
Radiator and Cooling Sys-
tem.
WARNING-
Use extreme caution when draining and disposing of engine
coolant. Coolanl is poisonous andlellial lo liumans andpels.
Pets are altracled to coolant because of 11s sfieet smell and
fasle. Seelc medcal anenfion immed~alely if coolant is ingesl-
. .-
<
Remove engine coolant manlold m o ~ n l n g fasreners and
carei~lly remove manifo d.
.
I
NOTE
Engine 8 s slioivn removed lor clarify