Cylinder Head, Installing; Clean Holes For Cylinder Head Bolts; Install Guide Pins In Cylinder Block; Install New Cylinder Head Gasket - Volvo D 20 Service Manual

Group 21 Engine
cylinder head, installing
H. Cylinder head, installing
Special tools: 5190, 5193, 5194, 5197,5199.5201,4 x 5233, 4 x 5234, 5235
Clean holes lor cylindel h6ad bohs
Oil and dirt must be removed from holes
gasket may leak as a result of insufficient
H2
lnstall guide pins in cylinder block
5233 for blocks with M 11 bolts.
5234 for blocks with M 12 bolts.
Twoouterpins hold gasket in position. Cylinderhead is
prevented from slidjng and clamaging gasket by two
inner pins,
lmportantl Use all four pins, located as illustratsd.
H3
Install new cylinder head gasket
Thres dil{sr€nttypes are available, and are marked with
notches. Type to be fitted depends on piston height
above cylinder block.
Use s8me gasket type (no, notches) as before, with
OBEN facing up.
H 1
tightening
45
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