Chevrolet 10 1971 Series Chassis Service Manual page 335

VIEW B
Truck exhaust systems vary according to series and
model designation. Series 10-30 trucks use a split-joint
design system in which the exhaust pipe-to-muffler are
clamped together and muffler-to-tailpipe connections are
welded together. All mufflers and tailpipes are welded
assemblies (no clamps) in 1971.
All 10-20-30 Series exhaust have been
NOTE:
aluminized. Always use the correct replace­
ment parts when servicing these systems.
When installing a new exhaust pipe or muffler and tail­
pipe, on any model, care should be taken to have the cor­
rect alignment and relationship of the components to each
other. Particular care should be given to the installa­
Fig. 15— Fuel Vent Pipes - Rear, C , K 10 Series
EXHAUST SYSTEM
COMPONENT PART REPLACEMENT
Exhaust System Pipes and Resonators
Rearward of The Mufflers Must Be Replaced
Whenever A New Muffler Is Installed.
(Refer to Illustrations)
FUEL TANK AND EXHAUST SYSTEMS 8-11
tion of the exhaust pipe and crossover pipe assembly on
V-8 engine single exhaust systems. Incorrectly assem­
bled parts of the exhaust system are frequently the cause
of annoying noises and rattles due to improper clear­
ances or obstructions to the normal flow of gases. Leave
all clamp bolts and muffler strapbolts loose until all
parts are properly aligned and then tighten, working
from front to rear.
When reinstalling exhaust pipe to mani­
NOTE:
fold, always use new packings and nuts. Be
sure to clean manifold stud threads with a wire
brush when installing the new nuts.
10-30 CHEVROLET TRUCK SERVICE MANUAL