, S E C T IO N IN D E X
SECTION NAME
GENERAL INFORMATION
0
1972 AND LUBRICATION
HEATER AND
1A AIR CONDITIONING
SERIES 10 through 30
IB BODY
CHEVROLET TRUCK
2 FRAME
CHASSIS 3
FRONT SUSPENSION
4-WHEEL DRIVE
SERVICE MANUAL 4
REAR SUSPENSION
AND DRIVELINE
5 BRAKES
FOREWORD
This manual includes proced u res for m aintenance and 6 ENGINE
adjustm ents, m inor serv ice operations, and rem oval and
installation for components of Chevrolet S eries 10 through
30 T rucks. P ro ced u res involving disassem bly and a sse m
6K ENGINE COOLING
bly of m ajor components for these vehicles a re contained
in the 1972 Chevrolet P assen g er C ar and S eries 10-30 6M FUEL SYSTEM
T ruck Overhaul Manual.
EMISSION CONTROL
The Section Index on this page enables the u se r to
quickly locate any d esired section. At the beginning of 6T SYSTEMS
each section containing m ore than one m ajor subject is a
Table of Contents, which gives the page number on which
each m ajor subject begins. An Index is placed at the
6Y ENGINE ELECTRICAL
i
beginning of each m ajor subject within the section.
S um m aries of Special Tools, when required, a re found 7 CLUTCH AND TRANSMISSION
a t the end of m ajor sections while specifications covering
vehicle components a re presen ted at the re a r of the FUEL TANK AND
manual. 8 EXHAUST SYSTEM
T his manual should be kept in a handy place for ready
referen ce. If properly used, it will enable the technician
to b e tte r serv e the ow ners of Chevrolet built vehicles.
9 STEERING «
All inform ation, illu stra tio n s and specifications con
tained in th is lite ra tu re a re based on the late st product
inform ation available at the tim e of publication approval.
10 WHEELS AND TIRES
1
The right is re se rv e d to make changes at any tim e without
notice. 11 CHASSIS SHEET METAL
-j
ELECTRICAL— BODY
12 AND CHASSIS
• • • 13 RADIATOR AND GRILLE
-
CHEVROLET MOTOR DIVISION
G e n e ra l M otors Corporation
14 BUMPERS
DETROIT, M IC H IG A N
15 ACCESSORIES
SPECIFICATIONS
© 1972 General Motors Corporation Printed in U.S.A.
, SECTION 0
GENERAL INFORMATION
AND LUBRICATION
CONTENTS OF THIS SECTION
Page
General Information.............................................. ..................... ....................... 0-1
L u b rication ..........................................................................................................0-8
GENERAL INFORMATION
INDEX
Page Page
Model Line U p ................................................................................................... ....0-1 Keys and L o c k s ................................................................................................. 0-3
Truck Model Designation....................................................................................0-1 Emergency S tartin g.......................................................................................... 0-3
Vehicle Identification Number and Rating P la t e .................................... ....0-1 T o w i n g .......................................................................................... ................... 0-3
Engine N u m b e r ....................................................... ........................................ ....0-1 Engine Vehicle A vailab ility ........................ .............................. ................... 0-5
Unit and Serial Number L ocation s................. .................................................0-2 Load Capacity Chart............................. ............................................................ 0-6
Service Parts Identification P la t e ............ ............................................. .......... 0-3
MODEL LINE UP Fourth and Fifth Numbers—
The 10 through 30 S eries Conventional 2- and 4-Wheel Body Styles
drive and forw ard control tru ck model line-up for 1972 00 - All
consists of the m odels shown in the “ Engine Application” 02 - Flat Face Cowl
C hart in this section. 03 - Cab
M - Stepside Pickup
TRUCK MODEL DESIGNATION 06 - Suburban (Panel R ear Doors)
14 - Utility (Blazer)
A five digit num ber preceded by two le tte rs is
16 - Suburban (Tail - Liftgate)
used to designate tru ck m odels. For example, vehicle
32 - Motor Home C hassis
CS 10704 would be: Conventional [c], L-6 gasoline en
34 - Fleetside Pickup
gine [S], 3600#-5600# GVW [T), 42” -47M Cab-to-A xle
35 - Forw ard Control (Steel Step-Van King)
dim ension ^ , Stepside pickup |04] , as listed below.
42 - Forw ard Control C hassis
First Letter—Chassis 55 - Forw ard Control (Aluminum Step-Van King)
[Cl - Conventional (Conventional Cab, Suburban) VEHICLE IDENTIFICATION NUMBER AND
K - Four-W heel Drive RATING PLATE
P - Forw ard Control
A combination vehicle identification number and rating
Second Letter—Engine plate used on all models (fig. 1) is located on the door
p illar, except on School Bus, Flat Face Cowl, and some
A - All Forw ard Control models (motor home). On School Bus
E - V-8 Gasoline and Flat Face Cowl m odels the plate is attached to the
[s] - L-6 Gasoline a ir intake plenum panel. On Forw ard Control m odels
(P10, P20, P30 except P30 Motor Home C hassis) it is
First Number—G V W Range attached to the dash and toe panel.
0 - All The vehicle identification num ber stam ped on the plate
\l] - 3900-5800# decodes into the inform ation shown in Figure 2.
2 - 5200-7500#
3 - 6600-14000#
ENGINE NUMBER
The engine num ber indicates manufacturing plant,
Second and Third Numbers— month and day of m anufacture, and tran sm issio n type. A
Cab-To-Axle Dimension typical engine num ber would be F1210TFA, which would
breakdown thus:
00 - All
05 - 30-35 F - Manufacturing Plant (F -F lin t, T-Tonawanda)
0 - 42-47’ 12 - Month of m anufacture (December)
08 - 48-53' 10 - Day of m anufacture (tenth)
09 - 54-59’ T - Truck
10 - 60-65 FA - T ransm ission and engine type
10-30 CHEVROLET TRUCK SERVICE MANUAL
, GENERAL INFORMATION 0-2
porting product failu res in any way, the location of the
o
GENERAL MOTORS CORPORATION
o various unit num bers have been indicated. These unit
num bers and their prefix o r suffix are n ecessary on these
papers for various reasons - such as accounting, follow-
up on production, etc.
WARRANTY MAY BE VOIDED IF WEIGHT
The prefixes on certain units identify the plant in
EXCEEDS ANY OF THE RATINGS SHOWN. which the unit was m anufactured and thereby p erm its
G R O SS VEH ICLE W EIGHT IN C LU D E S WEIGHT OF p ro p er follow-up of the plant involved to get corrections
BASE TRUCK, ALL AD D E D EQUIPMENT, DRIVER made when necessary.
AND PASSEN GERS, A N D ALL PROPERTY LOADED Always include the prefix in the number.
INTO TRUCK.
Axles
PR EFER TO O W N ER'S M ANU AL FOR EQ U IP
M ENT R EQ U IR E D FOR INTERM EDIATE OR • S eries 10 R ear Axle S erial Number Located at the
M A X IM U M GVW RATINGS, AN D FOR OTHER Bottom Flange of C a rrie r Housing.
LOADING INFORMATION, IN C LU D IN G TIRE • S eries 20-30 R ear Axle Located at the Forw ard
INFLATION.
Upper Surface of C a rrie r.
RATING IN POUNDS
Transmissions
AS M A N U - * M AXIM UM
FACTURED CAPABILITY • 3-Speed T ransm ission Unit Number Located on
G R O SS VEHICLE WEIGHT
Lower Left Side of Case Adjacent to R ear of Cover.
FOR T H IS VEHICLE
• 4-Speed T ransm ission Unit Number Stamped on
M A XIM U M FRONT EN D R ear of Case, Above Output.
WEIGHT AT G R O U N D • Powerglide and Turbo H ydra-M atic 350 T ra n sm is
M A XIM U M REAR EN D sion Unit Number Located on Right R ear V ertical
W EIGHT AT G R O U N D Surface of Oil Pan.
• The Turbo Hydra-M atic T ransm ission 400 Serial
VEH ICLE IDENTIFICATION NO.
Number is Located on the Light Blue P late on the
Right Side of the T ransm ission.
O o Engines
• 6 -Cylinder Engine Unit Number Located on Pad at
Fig. 1—Vehicle Identification Number and Rating
Right Hand Side of Cylinder Block at R ear of
Plate Information
D istributor.
• 8-C ylinder Engine Unit Number Located on Pad at
UNIT AND SERIAL NUMBER LOCATIONS
Front, Right Hand Side of Cylinder Block.
F or the convenience of serv ice technicians and engi Delcotrons
n ee rs when w riting up certain business p apers such as
W arranty R eports, P roduct Information R eports, or r e Delcotron Unit Serial Number--Top of R ear Housing.
ENGINE Batteries
DIVISION DESIGNATION
C = CHEVROLET B attery Code Number Located on Cell Cover Top of
B attery.
Starters
MODEL YEAR
2= 1972 for all
S ta rte r Serial Number and Production Date Stamped
Series. on Outer Case, Toward Rear.
SEQUENTIAL NUMBER
SERVICE PARTS IDENTIFICATION PLATE
The Chevrolet Truck Service P a rts Identification Plate
(fig. 3) is provided on all Truck m odels. On m ost s e rie s
C=2 WHEEL DRIVE
K=4 WHEEL DRIVE
P=FORWARD CONTROL SERVICE PARTS I D E N T I F I C A T I O N ___________
ASSEMBLY PLANT w / base B M H I si H H H H
BO D Y STYLE V.I.N.—VEHICLE IDENTIFICATION NUMBER
A-Lake wood V-GM Truck-Pontiac NOTE: T H E S P E C I A L E Q U IP M E N T L I S T E D B E L O W H A S B E E N IN S T A L L E D ON
2-Flat face cowl B-Baltimore R-Arlington T H IS V E H I C L E . F O R P R O P E R ID E N T IF IC A T IO N O F R E P L A C E M E N T
P A R T S B E S U R E TO S P E C I F Y T H E A P P L I C A B L E O P TIO N N U M B E R S .
or Forward Control C-Southgate S-St. Louis D E S C R IP T IO N
chassis only D-Doraville T-Tarrytown
3-Cab-chassis F-Flint U-Lordstown
4-Cab and pickup box G-Framingham W-Willow Run
5-Forward Control J-Janesville Y-Wilmington
chassis only K-Leeds Z-Fremont
(Steel-Aluminum Body) L-Van Nuys 1-Oshawa
6-Suburban body N-Norwood 2-Ste. Therese
7-Forward Control
(Rec. Vehicle Chassis) IMPORTANT: RETAIN THIS PLATE A S A PERMANENT RECORD
8-Utility (Blazer)
Fig. 2—V ehicle Identification No. Fig. 3—Service Parts Identification Plate
10-30 CHEVROLET TRUCK SERVICE MANUAL
SECTION NAME
GENERAL INFORMATION
0
1972 AND LUBRICATION
HEATER AND
1A AIR CONDITIONING
SERIES 10 through 30
IB BODY
CHEVROLET TRUCK
2 FRAME
CHASSIS 3
FRONT SUSPENSION
4-WHEEL DRIVE
SERVICE MANUAL 4
REAR SUSPENSION
AND DRIVELINE
5 BRAKES
FOREWORD
This manual includes proced u res for m aintenance and 6 ENGINE
adjustm ents, m inor serv ice operations, and rem oval and
installation for components of Chevrolet S eries 10 through
30 T rucks. P ro ced u res involving disassem bly and a sse m
6K ENGINE COOLING
bly of m ajor components for these vehicles a re contained
in the 1972 Chevrolet P assen g er C ar and S eries 10-30 6M FUEL SYSTEM
T ruck Overhaul Manual.
EMISSION CONTROL
The Section Index on this page enables the u se r to
quickly locate any d esired section. At the beginning of 6T SYSTEMS
each section containing m ore than one m ajor subject is a
Table of Contents, which gives the page number on which
each m ajor subject begins. An Index is placed at the
6Y ENGINE ELECTRICAL
i
beginning of each m ajor subject within the section.
S um m aries of Special Tools, when required, a re found 7 CLUTCH AND TRANSMISSION
a t the end of m ajor sections while specifications covering
vehicle components a re presen ted at the re a r of the FUEL TANK AND
manual. 8 EXHAUST SYSTEM
T his manual should be kept in a handy place for ready
referen ce. If properly used, it will enable the technician
to b e tte r serv e the ow ners of Chevrolet built vehicles.
9 STEERING «
All inform ation, illu stra tio n s and specifications con
tained in th is lite ra tu re a re based on the late st product
inform ation available at the tim e of publication approval.
10 WHEELS AND TIRES
1
The right is re se rv e d to make changes at any tim e without
notice. 11 CHASSIS SHEET METAL
-j
ELECTRICAL— BODY
12 AND CHASSIS
• • • 13 RADIATOR AND GRILLE
-
CHEVROLET MOTOR DIVISION
G e n e ra l M otors Corporation
14 BUMPERS
DETROIT, M IC H IG A N
15 ACCESSORIES
SPECIFICATIONS
© 1972 General Motors Corporation Printed in U.S.A.
, SECTION 0
GENERAL INFORMATION
AND LUBRICATION
CONTENTS OF THIS SECTION
Page
General Information.............................................. ..................... ....................... 0-1
L u b rication ..........................................................................................................0-8
GENERAL INFORMATION
INDEX
Page Page
Model Line U p ................................................................................................... ....0-1 Keys and L o c k s ................................................................................................. 0-3
Truck Model Designation....................................................................................0-1 Emergency S tartin g.......................................................................................... 0-3
Vehicle Identification Number and Rating P la t e .................................... ....0-1 T o w i n g .......................................................................................... ................... 0-3
Engine N u m b e r ....................................................... ........................................ ....0-1 Engine Vehicle A vailab ility ........................ .............................. ................... 0-5
Unit and Serial Number L ocation s................. .................................................0-2 Load Capacity Chart............................. ............................................................ 0-6
Service Parts Identification P la t e ............ ............................................. .......... 0-3
MODEL LINE UP Fourth and Fifth Numbers—
The 10 through 30 S eries Conventional 2- and 4-Wheel Body Styles
drive and forw ard control tru ck model line-up for 1972 00 - All
consists of the m odels shown in the “ Engine Application” 02 - Flat Face Cowl
C hart in this section. 03 - Cab
M - Stepside Pickup
TRUCK MODEL DESIGNATION 06 - Suburban (Panel R ear Doors)
14 - Utility (Blazer)
A five digit num ber preceded by two le tte rs is
16 - Suburban (Tail - Liftgate)
used to designate tru ck m odels. For example, vehicle
32 - Motor Home C hassis
CS 10704 would be: Conventional [c], L-6 gasoline en
34 - Fleetside Pickup
gine [S], 3600#-5600# GVW [T), 42” -47M Cab-to-A xle
35 - Forw ard Control (Steel Step-Van King)
dim ension ^ , Stepside pickup |04] , as listed below.
42 - Forw ard Control C hassis
First Letter—Chassis 55 - Forw ard Control (Aluminum Step-Van King)
[Cl - Conventional (Conventional Cab, Suburban) VEHICLE IDENTIFICATION NUMBER AND
K - Four-W heel Drive RATING PLATE
P - Forw ard Control
A combination vehicle identification number and rating
Second Letter—Engine plate used on all models (fig. 1) is located on the door
p illar, except on School Bus, Flat Face Cowl, and some
A - All Forw ard Control models (motor home). On School Bus
E - V-8 Gasoline and Flat Face Cowl m odels the plate is attached to the
[s] - L-6 Gasoline a ir intake plenum panel. On Forw ard Control m odels
(P10, P20, P30 except P30 Motor Home C hassis) it is
First Number—G V W Range attached to the dash and toe panel.
0 - All The vehicle identification num ber stam ped on the plate
\l] - 3900-5800# decodes into the inform ation shown in Figure 2.
2 - 5200-7500#
3 - 6600-14000#
ENGINE NUMBER
The engine num ber indicates manufacturing plant,
Second and Third Numbers— month and day of m anufacture, and tran sm issio n type. A
Cab-To-Axle Dimension typical engine num ber would be F1210TFA, which would
breakdown thus:
00 - All
05 - 30-35 F - Manufacturing Plant (F -F lin t, T-Tonawanda)
0 - 42-47’ 12 - Month of m anufacture (December)
08 - 48-53' 10 - Day of m anufacture (tenth)
09 - 54-59’ T - Truck
10 - 60-65 FA - T ransm ission and engine type
10-30 CHEVROLET TRUCK SERVICE MANUAL
, GENERAL INFORMATION 0-2
porting product failu res in any way, the location of the
o
GENERAL MOTORS CORPORATION
o various unit num bers have been indicated. These unit
num bers and their prefix o r suffix are n ecessary on these
papers for various reasons - such as accounting, follow-
up on production, etc.
WARRANTY MAY BE VOIDED IF WEIGHT
The prefixes on certain units identify the plant in
EXCEEDS ANY OF THE RATINGS SHOWN. which the unit was m anufactured and thereby p erm its
G R O SS VEH ICLE W EIGHT IN C LU D E S WEIGHT OF p ro p er follow-up of the plant involved to get corrections
BASE TRUCK, ALL AD D E D EQUIPMENT, DRIVER made when necessary.
AND PASSEN GERS, A N D ALL PROPERTY LOADED Always include the prefix in the number.
INTO TRUCK.
Axles
PR EFER TO O W N ER'S M ANU AL FOR EQ U IP
M ENT R EQ U IR E D FOR INTERM EDIATE OR • S eries 10 R ear Axle S erial Number Located at the
M A X IM U M GVW RATINGS, AN D FOR OTHER Bottom Flange of C a rrie r Housing.
LOADING INFORMATION, IN C LU D IN G TIRE • S eries 20-30 R ear Axle Located at the Forw ard
INFLATION.
Upper Surface of C a rrie r.
RATING IN POUNDS
Transmissions
AS M A N U - * M AXIM UM
FACTURED CAPABILITY • 3-Speed T ransm ission Unit Number Located on
G R O SS VEHICLE WEIGHT
Lower Left Side of Case Adjacent to R ear of Cover.
FOR T H IS VEHICLE
• 4-Speed T ransm ission Unit Number Stamped on
M A XIM U M FRONT EN D R ear of Case, Above Output.
WEIGHT AT G R O U N D • Powerglide and Turbo H ydra-M atic 350 T ra n sm is
M A XIM U M REAR EN D sion Unit Number Located on Right R ear V ertical
W EIGHT AT G R O U N D Surface of Oil Pan.
• The Turbo Hydra-M atic T ransm ission 400 Serial
VEH ICLE IDENTIFICATION NO.
Number is Located on the Light Blue P late on the
Right Side of the T ransm ission.
O o Engines
• 6 -Cylinder Engine Unit Number Located on Pad at
Fig. 1—Vehicle Identification Number and Rating
Right Hand Side of Cylinder Block at R ear of
Plate Information
D istributor.
• 8-C ylinder Engine Unit Number Located on Pad at
UNIT AND SERIAL NUMBER LOCATIONS
Front, Right Hand Side of Cylinder Block.
F or the convenience of serv ice technicians and engi Delcotrons
n ee rs when w riting up certain business p apers such as
W arranty R eports, P roduct Information R eports, or r e Delcotron Unit Serial Number--Top of R ear Housing.
ENGINE Batteries
DIVISION DESIGNATION
C = CHEVROLET B attery Code Number Located on Cell Cover Top of
B attery.
Starters
MODEL YEAR
2= 1972 for all
S ta rte r Serial Number and Production Date Stamped
Series. on Outer Case, Toward Rear.
SEQUENTIAL NUMBER
SERVICE PARTS IDENTIFICATION PLATE
The Chevrolet Truck Service P a rts Identification Plate
(fig. 3) is provided on all Truck m odels. On m ost s e rie s
C=2 WHEEL DRIVE
K=4 WHEEL DRIVE
P=FORWARD CONTROL SERVICE PARTS I D E N T I F I C A T I O N ___________
ASSEMBLY PLANT w / base B M H I si H H H H
BO D Y STYLE V.I.N.—VEHICLE IDENTIFICATION NUMBER
A-Lake wood V-GM Truck-Pontiac NOTE: T H E S P E C I A L E Q U IP M E N T L I S T E D B E L O W H A S B E E N IN S T A L L E D ON
2-Flat face cowl B-Baltimore R-Arlington T H IS V E H I C L E . F O R P R O P E R ID E N T IF IC A T IO N O F R E P L A C E M E N T
P A R T S B E S U R E TO S P E C I F Y T H E A P P L I C A B L E O P TIO N N U M B E R S .
or Forward Control C-Southgate S-St. Louis D E S C R IP T IO N
chassis only D-Doraville T-Tarrytown
3-Cab-chassis F-Flint U-Lordstown
4-Cab and pickup box G-Framingham W-Willow Run
5-Forward Control J-Janesville Y-Wilmington
chassis only K-Leeds Z-Fremont
(Steel-Aluminum Body) L-Van Nuys 1-Oshawa
6-Suburban body N-Norwood 2-Ste. Therese
7-Forward Control
(Rec. Vehicle Chassis) IMPORTANT: RETAIN THIS PLATE A S A PERMANENT RECORD
8-Utility (Blazer)
Fig. 2—V ehicle Identification No. Fig. 3—Service Parts Identification Plate
10-30 CHEVROLET TRUCK SERVICE MANUAL
