Daewoo Matiz (2003 year). Manual - part 105

1G – 6 ENGINE EXHAUST

MAA1B010

3. Remove the air cleaner assembly. Refer to Section

1B, SOHC Engine Mechanical.

4. Disconnect Oxygen Sensor (O2S) connector.

5. Remove the exhaust manifold heat shield.

6. Remove the exhaust manifold. Refer to Section 1B,

SOHC Engine Mechanical.

MAA1B040

7. Remove pup-up catalytic convertor.

D

Remove the bolts.

MAA1B041

Installation Procedure

1. Install pup-up catalytic convertor to exhaust pipe.

Tighten

Tighten the bolts to 25–35 N

S

m (18–25 lb-ft).

MAA1B011

2. Install exhaust manifold. Refer to Section 1B, SOHC

Engine Mechanical.

Tighten

Tighten the bolts and nuts to 17–27 N

S

m (13–20 lb-ft).

Tighten the exhaust manifold heat shield bolts to
8–12 N

S

m (71–106 lb-in).

ENGINE EXHAUST 1G – 7

D12G504B

3. Install the front exhaust pipe to pup-up catalytic con-

vertor.

Tighten

Tighten the bolts to 25–35 N

S

m (18–25 lb-ft).

 

D102G502

FRONT MUFFLER

Removal Procedure

1. Remove the front exhaust pipe-to-front muffler nuts.

D

Remove the nuts (1).

 

MAA1G030

2. Remove the front muffler-to-rear muffler nuts.

3. Detach the front muffler from rubber hanger and re-

move the front muffler.

 

MAA1G031

Installation Procedure

1. Hang the front muffler to rubber hanger.

2. Install the front muffler-to-rear muffler nuts.

Tighten

Tighten the nuts to 25–35 N

S

m (18–25 lb-ft).

3. Install the exhaust pipe-to-front muffler nuts.

Tighten

Tighten the nuts to 25–35 N

S

m (18–25 lb-ft) (a).

1G – 8 ENGINE EXHAUST

MAA1G030

REAR MFFLER

Removal Procedure

1. Remove the front muffler-to rear muffler nuts.

Tighten

Tighten the nuts to 25–35 N

S

m (18–25 lb-ft).

2. Detach the rear muffler from the rubber hangers.

MAA1G040

3. Remove the rear muffler.

4. Installation should flow the removal procedure in re-

verse order.

ENGINE EXHAUST 1G – 9

SPECIFICATIONS

FASTENER TIGHTENING SPECIFICATIONS

Application

N

S

m

Lb-Ft

Lb-In

Front Exhaust Pipe-to-Front Muffler Pipe Nuts

25 – 35

18 – 25

–

Front Exhaust Pipe-to-Exhaust Manifold Nuts

25 – 35

18 – 25

–

Front Exhaust Pipe-to-Pup-up Catalytic Converter

25 – 35

18 – 25

–

Front Muffler-to-Rear Muffler nuts

25 – 35

18 – 25

–

Pup-up Catalytic Convertor-to-Exhaust Manifold Bolt

25 – 35

18 – 25

–

Muffler Clamp Nut

24 – 28

18 – 21

–

Catalytic Converter Heat Shield

8 – 12

–

71 – 106

Rear Muffler Heat Shield

8 – 12

–

71 – 106