Daewoo Nubira. Manual — part 143
ENGINE EXHAUST 1G – 7
DAEWOO V–121 BL4
4. Install the exhaust manifold cover and the exhaust
manifold cover bolts.
Tighten
Tighten the exhaust manifold cover bolts to 15 N
S
m
(11 lb–ft).
5. Connect the pre–converter oxygen sensor electrical
connector.
MUFFLER – FRONT
Removal Procedure
1. Remove the nuts and the gasket that secure the
front muffler pipe to the catalytic converter flange.
1G – 8
I
ENGINE EXHAUST
DAEWOO V–121 BL4
2. Detach the front muffler assembly from the front
rubber hangers.
3. Loosen the front muffler pipe–to–rear muffler pipe
holding clamp nut and the washer.
4. Disconnect the front muffler pipe from the rear rub-
ber hanger.
5. Remove the front muffler pipe.
6. Check the exhaust pipe and the front muffler pipe
for holes, damage, open seams, or other deteriora-
tion which could permit exhaust fumes to seep into
the passenger compartment or the trunk.
Installation Procedure
1. Secure the front muffler pipe to the rear rubber
hanger near the rear muffler pipe holding clamp.
2. Place the front muffler pipe into the rear muffler
pipe.
3. Secure the front muffler pipe to the rear muffler
pipe with the holding clamp, the washer, and the
nut.
Tighten
Tighten the front muffler pipe–to–rear muffler pipe
holding clamp nut to 50 N
S
m (37 lb–ft).
ENGINE EXHAUST 1G – 9
DAEWOO V–121 BL4
4. Attach the front muffler assembly to the front rubber
hangers. Loosely secure the front muffler assembly
to the catalytic converter flange.
5. Secure the front muffler assembly to the catalytic
converter with the nuts.
Tighten
Tighten the front muffler pipe–to–catalytic converter
nuts to 35 N
S
m (26 lb–ft).
MUFFLER – REAR
Removal Procedure
1. Loosen the front muffler pipe–to–rear muffler pipe
holding clamp nut and the washer.
2. Spread the loosened holding clamp and position it
away from the junction of the front muffler pipe and
the rear muffler pipe.
3. Separate the rear muffler pipe from the front muffler
pipe.
1G – 10
I
ENGINE EXHAUST
DAEWOO V–121 BL4
4. Remove the bolt that secures the trim ring, (if
equipped), to the rear muffler pipe.
5. Remove the trim ring.
6. Detach the rear muffler pipe from the rear rubber
hangers at the top of the rear muffler assembly
near the exhaust tail pipe and near the junction of
the rear muffler pipe with the front muffler pipe.
7. Remove the rear muffler assembly.
8. Check the rear muffler and the pipes for holes,
damage, open seams, and other deterioration
which could permit exhaust fumes to seep into the
passenger compartment or the trunk.
Installation Procedure
1. Place the exhaust tail pipe trim ring, (if equipped),
on the rear muffler pipe.
2. Secure the exhaust pipe trim ring on the rear muf-
fler pipe, and tighten the exhaust trim ring bolt until
it bottoms out on the exhaust pipe. Tighten an addi-
tional quarter turn.
3. Secure the rear muffler assembly to the rear rubber
hangers near the exhaust tail pipe and near the
junction of the rear muffler pipe with the front muf-
fler pipe.
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