1998 SSANGYONG MUSSO Workshop Repair Manual

1G2-2 M161 ENGINE INTAKE & EXHAUST
MAINTENANCE AND REPAIR
ON-VEHICLE SERVICE
AIR CLEANER
1 Air Cleaner Assembly
2 Element Assembly
3 Insulator
4 Air Duct Hose5 Air Inlet Duct
6 Bolt (M8
× 30 ) ...................................22.5-27.5 Nm
7
Bolt (M6 × 35 ) ........................................... 9-11 Nm

M161 ENGINE INTAKE & EXHAUST 1G2-3
Removal & Installation Procedure
1. Release the clamp securing HFM sensor and air cleaner.
2. Disengage the air cleaner assembly and HFM sensor
assembly.
3. Unserew the mounting bolt(6) from the bracket.
Installation Notice
Tightening Torque 22.5 - 27.5 Nm
4. Release the clamp from air cleaner assembly housing and
remove the cover.
5. Remove the air cleaner assembly.
6. Remove the air cleaner housing from insulator.
Notice
Make sure the air cleaner to be seated in insulator.
7. Disengage the air duct hose and air cleaner housing and
remove the housing.
8. Remove the air duct hose.
9. Unscrew the two bolts(7) from air inlet duct.
Installation Notice
10. Remove the air inlet duct.
11. Installation should follow the removal procedure in the
reverse order.
Tightening Torque 8 - 9 Nm

1G2-4 M161 ENGINE INTAKE & EXHAUST
AIR INTAKE SHIELD
Preceding Work : Removal of air cleaner
Removal & Installation Procedure
1. Remove the upper cover (3) from the air intake shield (5)
upper mounting pin.
2. Remove the bolts (4 and 6).
3. Remove the air intake shield (5).
4. Installation should follow the removal procedure in the
reverse order. 1 Air Cleaner
2 Gasket
3 Air Intake Shield Upper Cover
4 Bolt5 Air Intake Shield
6 Bolt
7 Bracket

M161 ENGINE INTAKE & EXHAUST 1G2-5
INTAKE AIR DUCT
1 Clamp
2 Sleeve
3 HFM Sensor
4 Intake Air Duct
5 Blow-by Hose
7 Clamp(2 pieces)
8 Intake Air Duct Mounting
Bracket
Removal & Installation Procedure
1. Release the clamp (1) and intake air duct.
2. Remove the Blow-by hose (5) (arrow).

1G2-6 M161 ENGINE INTAKE & EXHAUST
3. Release the clamp (7) and remove the intake air duct.
Notice
Completely fit the intake air duct with the mounting bracket
(8).

M161 ENGINE INTAKE & EXHAUST 1G2-7
INTAKE MANIFOLD
Preceding Work : Removal of intake air duce
Removal of fuel distributor and injector
1 Bolt (M6 X 40, 6 pieces).................22.5-27.5 Nm
2 Intake Manifold
3 Gasket (2 pieces).................................. Replace
4 Bolt (M8 X 40, 3 pieces).................22.5-27.5 Nm5 Idle Regulator
6 Intermediate Flange
7 Bolt (M6 X 35, 4 pieces)......................... 9-11 Nm
8 Connection Piece With Seal Ring........36-44 Nm

1G2-8 M161 ENGINE INTAKE & EXHAUST
Removal & Installation Procedure
1. Disconnect the battery ground cable.
2. Remove idle speed control plug connector (arrow).
3. Disconnect the brake booster vacuum line and other
vacuum lines.
4. Disconnector the rod from bearing bracket assembly and
remove the connection piece (8).
Installation Notice
Tightening Torque 36 - 44 Nm
5. Unscrew the three bolts (4) and remove the idle regulator
and intermediate flange (6).
Installation Notice
Tightening Torque 22.5 - 27.5 Nm
6. Unscrew the two bolts (M8 X 16) and remove the support
assembly (arrow).
Installation Notice
7. Unscrew the intake manifold assembly mounting bolts (1)
and remove the intake manifold and gasket.
Installation Notice
Notice
Replace the gasket with new one.
8. Installation should follow the removal procedure in the
reverse order.
9. Start the engine and check for leaks in each connection.
Tightening Torque 22.5 - 27.5 Nm
Tightening Torque 22.5 - 27.5 Nm

M161 ENGINE INTAKE & EXHAUST 1G2-9
EXHAUST MANIFOLD
1 Oxygen Sensor..............................49.5-60.5 Nm
2 Bolt (4 pieces)........................................ 9-11 Nm
3 Upper Cover
4 Nut (11 pieces)...............................31.5-38.5 Nm5 Exhaust Manifold
6 Flange Bolt & Exhaust Pipe
Mounting Nut............................................ 30 Nm
7 Gasket ................................................... Replace
Removal & Installation Procedure
1. Remove the oxygen sensor if necessary.
Installation Notice
Tightening Torque 49.5 - 60.5 Nm
2. Unscrew the bolt (2) and remove the exhaust manifold upper
cover (3).
3. Unscrew the flange bolt (6) of front exhaust pipe and
separate the front exhaust pipe.
Installation Notice
Tightening Torque 30 Nm
Notice
Check the exhaust pipe mounting nut, and replace it with
new one if necessary.