Cylinder Head Bolt Installation - Mitsubishi 4G1 Series General Information Manual

Shank length
Timing belt side
8 6 1
10 4 2
90_
90_
MD998601
Valve
Valve stem seal
Valve guide
Exhaust side
Intake side
Body color: Grayish green
Body color: Gray
Embossed identification
Embossed identification
symbol: SD
symbol: None
E
E
Mitsubishi Motors Corporation
Mitsubishi Motors Corporation
4G1 ENGINE (E - W) -
"DA CYLINDER HEAD BOLT INSTALLATION
(1) Before reusing the cylinder head bolt, check that its nominal
(2) Apply engine oil to the bolt's thread and washer.
(3) Tighten the bolts in the sequence shown until each is
(4) Completely loosen the bolts.
(5) Retighten the bolts in the sequence shown until each is
3 9
5 7
(6) Apply paint marks to the cylinder head bolt heads and
(7) In accordance with the tightening sequence, tighten each
(8) Tighten each bolt by a further 90_ and check that the
Paint mark
"EA VALVE STEM SEAL INSTALLATION
(1) Install the valve spring seat.
(2) Install the valve.
(3) Apply a small amount of engine oil to the valve stem
(4) Using the valve stem as a guide, install the valve stem
Valve spring seat
Nov. 1995
Aug. 2000
Cylinder Head and Valves
length does not exceed the specified limit. Replace the
bolt if this measurement exceeds the limit.
Limit: 103.2 mm
torqued to 49 Nm.
torqued to 20 Nm.
cylinder head as shown.
bolt by 90_.
paint marks on the bolt head and cylinder head are aligned.
Caution
If the bolts are tightened by an angle of less than
90_, they may not hold the cylinder head with sufficient
strength.
If the bolts are tightened by an angle exceeding 90_,
completely remove them and carry out the installation
procedure again.
seal.
seal to the valve guide with the special tool.
Caution
Improper installation of the valve stem seal will cause
oil to work down. Use the special tool to install the
valve stem seal.
NOTE
The valve stem seal differs between the intake and exhaust
sides.
PWEE9520
PWEE9520-D
11A-9-11
Added