Chevrolet CHEVY VAN G10 SERIES Service Manual page 263

V E N T LINES AND/O R SEPARATOR (TYPICAL)
Removal
1. Raise vehicle on hoist.
2. I f rem oving separator, remove spare tire and access cover.
3. Rem ove clam p securing pipe.
4. Remove hose clamps and remove pipe.
Installation
1. Install pipe to hose and install hose clamps.
Check connections to assure th a t hose and clamp seal
connection.
N O T E : I f replacing hose, use only replacement
hose marked E VA P.
2. Install clam p retaining pipe.
When installing a new exhaust pipe, m uffler or tailpipe, on
any m odel, care should be taken to have th e correct alignm ent
and relationship o f th e com ponents to each other. Particular
care should be given to the installation of the exhaust pipe and
crossover pipe assembly on V
Incorrectly assem bled parts o f the
frequently th e cause o f annoying noises and rattles due to
im proper clearances or obstructions to the norm al flow of
COMPONENT PART REPLACEMENT (Fig. 11-13)
EXHAUST PIPE
Removal
1. Raise vehicle on hoist.
2. D isconnect exhaust pipe from engine.
3. D isconnect exhaust pipe clamps at hanger and m uffler.
4. Remove exhaust pipe.
Installation
1. Install exhaust pipe into m uffler.
8
2. Using new gaskets (V- ), install pipe to engine.
3. Install clamps at hanger and m uffler.
4. Check pipe alignm ent assuring th a t there is no in ter­
ference. T orque clamps to specifications.
5. Low er vehicle and remove from hoist.
EXHAUST SYSTEM
IM P O R T A N T : Make
components have at least 3 /4 inch clearance from
the floo r pan to avoid possible overheating of the
floor pan and possible damage to the passenger
com partm ent carpets.
SERVICE INFORMATION
-8
engine single exhaust systems.
exhaust system
3. Reinstall separator access cover and
rem oved).
4. Low er vehicle and remove from hoist.
CANISTER PURGE V A LV E (FIG . 6)
Disassembly
1. D isconnect lines at valve.
2. Snap o ff valve cap (Slowly remove cap as diaphragm is
under spring tension). Remove diaphragm , spring retainer
and spring.
3. Replace parts as necessary. Check orifice openings.
Assembly
1. Install spring, spring retainer, diaphragm and cap.
2. R econnect hoses.
sure that exhaust system
gases. Leave all clamp bolts and m uffler strap bolts loose until
all parts are properly aligned and then tighten, w orking from
front to rear.
N O T E : When reinstalling exhaust pipe to mani­
are
fold, always use new packings and nuts. Be sure to
clean manifold
before installing the new nuts.
M UFFLER AND TAILPIPE
Removal
1. Remove exhaust pipe as previously outlined.
2. Rem ove clamps retaining m uffler and tailpipe and
remove from vehicle.
Installation
1. Install exhaust pipe to engine as previously outlined.
2. Install m uffler o n to exhaust pipe.
3. Install tailpipe o n to m uffler and attach tailpipe to frame.
4. Install all clam ps; check for interference, realigning as
necessary, and torque clamps to specifications.
FUEL TA N K A N D EXH A UST 8-7
spare tire (if
stud threads with a wire brush
C H E V Y V A N SH O P M A N U A L