4-103. MUFFLERS REPLACEMENT.
This task covers:
General Safety Instructions
General Mechanics Tool Kit
Since the exhaust system can reach extremely high
temperatures, be sure the exhaust system is cooled
before attempting any disassembly.
The curbside muffler and tailpipe is a
welded unit. Both must be replaced at one
a. Raise vehicle.
b. Remove the nuts (1) and U-bolts (2) from the
clamp (3) attaching the muffler (4) to the
exhaust pipes (5).
c. Remove the exhaust pipe-to muffler clamp (2).
d. Remove the muffler (3).
with the clamp (3) using the U-bolt (2) and nuts
(1). Do not tighten fully at this time.
b. Attach the exhaust pipe to the cross member
frame by installing the clamp (9), bolts (8),
washers (7) and nuts (6). Do not tighten fully at
d. Torque the exhaust pipe to manifold nuts to 15
ft-lbs (20 N-m).
c. Check and be sure the exhaust pipe assembly is
properly aligned and snug before torquing the
to 30 ft-lbs (40 N-m).
nuts to 11 ft-lbs (15 N-m).
g. Lower the vehicle.