New Tightening Method Using Plastic Region Tightening Bolts; Sealants - Mitsubishi 4G1 series Workshop Manual

11A-1-6

NEW TIGHTENING METHOD USING PLASTIC REGION TIGHTENING BOLTS

Parts of the engine use plastic region tightening bolts. The tightening procedure for these is different
from that of conventional bolts and is described in relevant parts of this manual. Note that plastic region
tightening bolts have fixed service limits. These limits are indicated in relevant parts of this manual and
must be strictly observed.
D Plastic region tightening bolts are used for the following applications:
(1) Cylinder head bolts
(2) Connecting rod cap bolts
D The tightening procedure is basically as follows:
After tightening a bolt to the specified torque, tighten it by a further 90 _ + 90_ or by a further 90–100°.
The exact tightening procedure differs depending on the bolt and is described in relevant parts of
this manual.

SEALANTS

Item
Water pump
Thermo valve
Engine coolant temperature sensor
Engine coolant temperature gauge unit
Camshaft bearing cap
Semi-circular packing
Rocker cover
Front oil seal case
Oil pump
Oil pressure switch
E
Mitsubishi Motors Corporation
4G1 ENGINE (E - W) -
Specified sealant
Mitsubishi Genuine Part No. MD970389 or equivalent
Mitsubishi Genuine Part No. MD970389 or equivalent
3M Nut Locking Part No. 4171 or equivalent
3M ATD Part No. 8660 or equivalent
3M ATD Part No. 8660 or equivalent
3M ATD Part No. 8660 or equivalent
3M ATD Part No. 8660 or equivalent
Mitsubishi Genuine Part No. MD970389 or equivalent
Mitsubishi Genuine Part No. MD970389 or equivalent
3M ATD Part No. 8660 or equivalent
Nov. 1995
Specifications
PWEE9520
Quantity
As required
As required
As required
As required
As required
As required
As required
As required
As required
As required