C 20 3/4 Ton Pickup 2WD V8-350 5.7L VIN L 4-bbl (1983)
Canister Purge Control Valve: Technical Service Bulletins
Canister Control Valves - Revised Mounting Procedure
Number:
83-I-51
Section:
VI & VIII
Date:
March, 1983
Subject:
REVISED MOUNTING PROCEDURE FOR CANISTER CONTROL VALVES - 1982-83 "B", "F" AND "G" CARS WITH EITHER
3.8L V6, 4.4L V8, 5.0L V8 OR 5.7L V8 ENGINES
TO:
ALL CHEVROLET DEALERS
In the event a canister control valve requires replacement, refer to Chevrolet Service Bulletin 83-I-29 for functional testing. A new part number valve
should be installed (refer to chart below). In addition, on all vehicles the valve should be suspended using the following procedure:
ENGINE ENGINE
VIN
VIN
CODE
CODE
DIS-
PLACE-
ENGINE/
NEW CCV
MENT
VEHICLE
VALVE MOUNT
PART NO.
1982
1983
1982/
5.7L
LM1
Suspend
17075074
83
No Sketch Needed
L
6
1982/
5.0L
LG4
Suspend
17075074
H
83
"B" &
"G"
No Sketch Needed
1982/
5.0L
LG4/"F"
Suspend Per
17075074
H
H
83
LG4 With 7K4
Sketch #1
"B" & "G"
1982
3.8L
LC3/"B"
Suspend Per
17075075
K
LC3/"G"
Sketch #2
17075074
K
1983
3.8L
LC3/"B"
Suspend Per
17075075
9
LC3/"G"
Sketch #3
17075074
9
1982
4.4L
L39
Suspend
17075074
J
"B" & "G"
No Sketch Needed
VALVE MOUNTING INSTRUCTIONS
I.
1982-1983 LG4-LM1 in "B" or "G" Vehicles 1982 L39 in "B" or "G" Vehicles
1.
Remove bolt which retains CCV bracket to alternator brace and discard.
2.
Remove two (2) screws which retain CCV to bracket. Discard bracket and screws.
3.
Allow CCV to be suspended in hose harness.
