Subaru EX13 Service Manual page 36

(7) CHAIN GUIDE
Mount the chain guide to the crankcase.
Model EX21
mounting position
Models EX13, 17 and
27 mounting positions
Fig. 5-39a
(8) CYLINDER HEAD
Inspect and repair any scratches on mounting surface and replace head gasket to new one before installing.
Cylinder head bolts
M8 × 68mm
flange bolt : 4 pcs.
M8 × 35mm
flange bolt : 1 pc.
Tighten the cylinder head bolts in diagonal order.
(1) Re-use (Oil the screw thread)
Tighten all bolts (5pcs) by 18 ± 1 N ・ m primary,
●
and then tighten longer ones (M8 × 68mm flange
26 ± 1 N ・ m.
bolt: 4pcs) by
(2) When replace to new cylinder head and flange
bolts (Oil the screw thread)
Tighten all bolts (5pcs) by 18 ± 1 N ・ m primary,
●
and then tighten longer ones (M8 × 68mm flange
bolt: 4pcs) by 29 ± 1 N ・ m.
Tightening Torque
1 st step
1
4
5
3
2
(250 - 270 kgf ・ cm)
17.0 - 19.0 N ・m
(170 - 190 kgf ・ cm)
(280 - 300 kgf ・ cm)
(12.3 - 13.7 ft・ lb.)
(20.3 - 21.7 ft・ lb.)
- 33 -
CHAIN GUIDE
Fig. 5-39b
2 nd step
1
4
3
2
25.0 - 27.0 N ・m
(18.1 -19.5 ft・lb.)
28.0 - 30.0 N ・m
When replace to new cylinder
head and flange bolts
- - - - - - - -
PIPE KNOCK
GASKET
PIPE
KNOCK
Fig. 5-40
Remarks
Re-use
- - - - - - - -
M8 x 68 BOLT : 4 pcs.
CYLINDER HEAD
M8 x 35 BOLT : 1 pc.