Isuzu engine C22NE / 22LE / 20LE. Service manual — part 122

6F-10 ENGINE EXHAUST

Mid Pipe

Mid Pipe and Associated Parts

Legend

1. Front Exhaust Pipe Fixing Bolts and Nuts

2. Mid Pipe Fixing Bolts

3. Mid Exhaust Pipe Mounting Rubber

4. Mid Pipe

Removal

1. Disconnect battery ground cable.

2. Raise the vehicle and support with suitable safety stands.

3. Remove front exhaust pipe fixing bolts and nuts (1).

4. Remove mid pipe fixing four stud nuts from Catalytic

Convertor.

5. Remove mid pipe (4)

ENGINE EXHAUST 6F-11

Installation

1. Install center exhaust pipe (4) and tighten four fixing bolts

(2) and two bolts and nuts (1) to the specified torque:

Torque:

Fixing bolts: 43 N

⋅

m (4.4 kgf

⋅

m)

Bolts: 43 N

⋅

m

6F-12 ENGINE EXHAUST

Catalytic Converter (If applicable)

Catalytic Converter and Associated Parts

Legend

1. Catalytic Converter

2. Grakets

Removal

1. Disconnect battery ground cable.

2. Raise the vehicle and support with suitable safety stands.

3. Remove center exhaust pipe fixing bolts.

4. Remove exhaust silencer fixing bolts.

5. Remove catalytic converter (1).

Installation

1. Install Catalytic Converter (1) and tighten four exhaust

silencer fixing bolts and center exhaust pipe fixing bolts to

the specified torque:

Torque:

Fixing bolts: 43 N

⋅

m (4.4 kgf

⋅

m)

ENGINE EXHAUST 6F-13

3 WAY CATALYTIC CONVERTER
SYSTEM (If applicable)

N

2

Inspection

Make the necessary adjustments, and part replacements if
excessive or damage is discovered during inspection.

Exhaust Pipe Assembly

1. Check connections for looseness or damage.

2. Check clamps for weakness, crack, or damage.

Catalytic Converter

Check for dents or damage.
If any part of the converter is damaged or dented, repair or
replace it.

Removal

1. Jack up the vehicle.

2. Check that the converter is cool.

3. Remove the bolts at the front and rear of the converter.

4. Remove the converter and gaskets.