Exhaust Manifold Lh; Removal; Installation - Isuzu Trooper 1999 Workshop Manual

6A–26 ENGINE MECHANICAL

Removal

1. Disconnect battery ground cable.
2. Remove air cleaner duct assembly.
Legend
(1) Positive Crankcase Ventilation Hose Connector
(2) Intake Air Temperature Sensor
(3) Air Cleaner Duct Assembly
(4) Air Cleaner Element
(5) Mass Air Flow Sensor
3. Disconnect O sensor connector.
2
4. Remove exhaust front pipe three stud nuts from
exhaust side and two nuts from rear end of exhaust
front pipe.
Legend
(1) O Sensor
2
(2) Exhaust Front Pipe LH

Exhaust Manifold LH

5. Remove heat protector two fixing bolts then the heat
protector.
6. Remove a bolt on engine LH side for air conditioner
(A/C) compressor bracket and loosen two bolts for
A/C compressor then move A/C compressor to front
side.
7. Remove exhaust manifold eight fixing nuts and
remove exhaust manifold from the engine.

Installation

1. Install exhaust manifold and tighten exhaust manifold
fixing nuts to the specified torque with new nuts.
Torque: 52 N·m (38 lb ft)
2. Install heat protector.
3. Install exhaust front pipe and tighten three stud nuts
and two nuts to the specified torque.
Torque :
Stud nuts: 67 N·m (49 lb ft)
Nuts: 43 N·m (32 lb ft)
130RW001
Legend
(1) O
(2) Exhaust Front Pipe LH
4. Set A/C compressor to normal position and tighten
two bolts and a bolt to the specified torque.
Torque : 40 N·m (30 lb ft)
5. Reconnect O
6. Install air cleaner duct assembly.
035RW016
Sensor
2
sensor connector.
2
035RW016