2004 DAEWOO LACETTI Service Repair Manual

Page 881 of 2643

DAEWOO LACETTI 2004  Service Repair Manual SECTION : 1G
ENGINE EXHAUST
TABLE OF CONTENTS
SPECIFICATIONS1G–1 . . . . . . . . . . . . . . . . . . . . . . . . . . 
Fastener Tightening Specifications  1G–1. . . . . . . . . . 
COMPONENT  LOCATO

Page 882 of 2643

DAEWOO LACETTI 2004  Service Repair Manual 1G – 2IENGINE EXHAUST
DAEWOO V–121 BL4
COMPONENT LOCATOR
EXHAUST SYSTEM
1.  Exhaust Rear Muffler
2. Muffler Gasket
3.  Exhaust Front Muffler
4. Muffler Gasket
5.  Exhaust Front Pipe (1.8D)
6.  Exh

Page 883 of 2643

DAEWOO LACETTI 2004  Service Repair Manual ENGINE EXHAUST  1G – 3
DAEWOO V–121 BL4
MAINTENANCE AND REPAIR
ON–VEHICLE SERVICE
CATALYTIC CONVERTER
Removal Procedure
1.  Disconnect the negative battery cable.
2.  Disconnect the oxygen senso

Page 884 of 2643

DAEWOO LACETTI 2004  Service Repair Manual 1G – 4IENGINE EXHAUST
DAEWOO V–121 BL4
Installation  Procedure
1.  Install the catalytic converter and the gasket to the
exhaust front pipe flange.
Tighten
Tighten the exhaust front pipe–to–ca

Page 885 of 2643

DAEWOO LACETTI 2004  Service Repair Manual ENGINE EXHAUST  1G – 5
DAEWOO V–121 BL4
2.  Disconnect the oxygen sensor connector.
3.  Remove the exhaust front pipe mounting bracket
bolt.
4.  Remove the nuts from the exhaust front pipe–to–

Page 886 of 2643

DAEWOO LACETTI 2004  Service Repair Manual 1G – 6IENGINE EXHAUST
DAEWOO V–121 BL4
6.  Install the crossmember lower bracket bolts to 35
NSm (26 lb–ft).
MUFFLER – FRONT
Removal Procedure
1.  Remove the nuts and the gasket from the front

Page 887 of 2643

DAEWOO LACETTI 2004  Service Repair Manual ENGINE EXHAUST  1G – 7
DAEWOO V–121 BL4
3.  Loosely secure the front muffler assembly to the
connecting pipe flange.
4.  Secure the front muffler assembly to the connecting
pipe flange with the nu

Page 888 of 2643

DAEWOO LACETTI 2004  Service Repair Manual 1G – 8IENGINE EXHAUST
DAEWOO V–121 BL4
2.  Secure the nuts and the gasket from the rear muf-
fler pipe flange–to–front muffler pipe flange.
Tighten
Tighten the front muffler–to–rear muffle