Exhaust Manifold; Removal; Installation - Isuzu 1999 RODEO Workshop Manual

6A–18 ENGINE MECHANICAL (X22SE 2.2L)
10. Connect cooling fan wire harness connector to
cooling fan on left side top of fan shroud.
11. Connect left side ground cable to cylinder head cover
and connect other side connector to left side wheel
arch terminal.
Connect right side ground cable to generator stay and
connect other side connector to right side wheel arch
terminal.

Removal

1. Disconnect battery ground cable.
2. Disconnect PCV hose from air intake duct.
3. Remove a nut from air intake duct bracket and loosen
hose clamp on throttle body. Remove air intake duct
assembly with air cleaner cover.
4. Remove air intake duct bracket with ground cable.
5. Remove four fixing bolts on exhaust manifold heat
protector.
6. Remove fixing four nuts from flange of front exhaust
pipe and remove fixing bolts from silencer side.
7. Remove ten exhaust manifold fixing nuts then
remove exhaust manifold.

Installation

1. Install exhaust manifold and tighten fixing nuts to be
tightened in three steps.
f Tightening sequence:
f Step1: J G H B D C J G B D
f Step2: A B C D E F G H J K
f Step3: A B C D E F G H J K
f Tightening torque:
f Step1: 14 N·m (10 Ib ft)
f Step2: 20 N·m (14 Ib ft)
f Step3: 20 N·m (14 Ib ft)
12. Connect three(black, green and blue colors) engine
wire harness connector to chassis harness of left rear
side of engine compartment.
13. Install intake duct.
14. Connect PCV hose to cylinder head cover.
15. Connect battery ground cable.

Exhaust Manifold

2. Install front exhaust pipe to exhaust manifold and
tighten fixing nut to the specified torque.
Torque: 25 N·m (18 lb ft)
027RW005
3. Tighten silencer side bolt to the specified torque.
Torque: 68 N·m (50 lb ft)
4. Install exhaust manifold heat protector and tighten
bolt.
Torque: 8 N·m (5.9 lb ft)
011RW029
027RW005