Subaru XT 1988 Service Manual page 240

2-3 ENGINE
a. Apply engine oil to oill8al bafore force-fitting.
b. Differentiate betwa.n intake valve oil pal and exhaust
valve oill8al by noting their difference in haight.
Unit: mm (in)
~n
{~
13.0
} (0.612)
LC==t==:=:u
t
~
(Intake side)
(Exhaust lida)
L2·680
Fig. 186
INSTALLATION
1) Install the oil seals to the valve guides using OIL SEAL
INSTALLER (398852100).
2) Coat the stem of each valve with engine oil and insert
the valve into the valve guide. Attach the valve springs and
retainer. Then compress the valve springs using VALVE
SPR ING PRESS and fit the valve spring retainer key.
Fig.t87
VALVE SPRING
PRESS ASSY
(899724100)
L2·1343
After installing, tap the valve spring retainers lightly with a
wooden hammer for better seating:
3) Install cylinder heads to cylinder block with new gaskets.
a. When tightening bolts, apply oil to the threads.
b. Be sure to install washers with their convex/chamfered sides
facing bolt heads.
84
L2·1568
Fig.
188-
CD
c. Be careful as there are two types of bolts.
Bolt position
Color Bolt length
CD,®,@,@
Silver 118.5 mm (4.665 in)
Others
Yellow 132.5 mm (5.217 in)
Fig. 188-(fy
(1) Tighten all bolts in two steps in the order
indicat~
above: .
1st step: 39 N·m (4.0 kg·m, 29 ft-Ib)
2nd step: 64 N·m (6.5 kg-m, 47 ft-Ib)
(2) Loosen all bolts at least 90° in reverse order.
(3) Tighten all bolts to specified torque.
Tightening torque:
60 - 68 N·m (6.1 - 6.9 kg-m, 44 - 50 ft-Ib)
4) Install spark plugs.
5)
I nstall bolt attaching water by-pass pipe bracket to cylin·
der head.
6) Install bolts attaching intake manifold to cylinder head.
7) Install bolts attaching alternator bracket to cylinder head.