ENGINE – Specifications
11-9
NEW TIGHTENING METHOD – BY USE OF BOLTS TO BE TIGHTENED IN
PLASTIC AREA
A new type of bolts, to be tightened in plastic area, is currently used some parts of the engine. The
tightening method for the bolts is different from the conventional one. Be sure to observe the method
described in the text when tightening the bolts.
Service limits are provided for the bolts. Make sure that the service limits described in the text are strictly
observed.
D Areas where the bolts are in use:
(1) Cylinder head bolts
(2) Main bearing cap bolts
(3) Connecting rod cap bolts
D Tightening method
After tightening the bolts to the specified torque, tighten them another 90° or 180° (twice 90°). The
tightening method varies on different areas. Observe the tightening method described in the text.
SEALANTS
Item Specified sealant Quantity
Engine support bracket bolt 3M
TM
AAD Part No. 8672 or equivalent As required
Semi-circular packing 3M
TM
AAD Part No. 8672 or equivalent As required
Rocker cover 3M
TM
AAD Part No. 8672 or equivalent As required
Oil return pipe gasket 3M
TM
AAD Part No. 8731 or equivalent As required
Thermostat housing Mitsubishi Genuine Part No. MD970389 or
equivalent
As required
Water outlet fitting Mitsubishi Genuine Part No. MD970389 or
equivalent
As required
Engine coolant temperature gauge unit 3M
TM
AAD Part No. 8672 or equivalent As required
Engine coolant temperature sensor 3M
TM
AAD Part No. 8731 or equivalent As required
Cam position sensor support Mitsubishi Genuine Part No. MD970389 or
equivalent
As required
Oil pressure switch 3M
TM
AAD Part No. 8672 or equivalent As required
Oil pan Mitsubishi Genuine Part No. MD970389 or
equivalent
As required
Oil seal case Mitsubishi Genuine Part No. MD970389 or
equivalent
As required
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