Chevrolet Light Duty Truck 1973 Service Manual page 8

0 -2 GENERAL IN F O R M A T IO N A N D LU B R IC A TIO N
ENGINE NUMBER
The engine number indicates manufacturing plant,
month and day of manufacture, and transmission type.
A typical engine number would be F1210TFA, which
would breakdown thus:
F - M anufacturing Plant (F-Flint, T-Tonawanda)
12 - Month of Manufacture (December)
10 - Day of Manufacture (tenth)
T - Truck
FA - Transmission and engine type
UNIT AND SERIAL NUMBER LOCATIONS
For the convenience of service technicians and engineers
when writing up certain business papers such as
W arranty Reports, Product Information Reports, or
reporting product failures in any way, the location of the
various unit numbers have been indicated. These unit
numbers and their prefix or suffix are necessary on these
papers for various reasons - such as accounting, follow-
up on production, etc.
The prefixes on certain units identify the plant in which
the unit was manufactured and thereby permits proper
follow-up of the plant involved to get corrections made
when necessary.
Always include the prefix in the number.
Axles
• Series 10 Rear Axle Serial Number Located at the
Bottom Flange of Carrier Housing.
• Series 20-30 Rear Axle Located at the Forward
Upper Surface of Carrier.
Transmissions
• 3-Speed Transmission Unit Number Located on
Lower Left Side of Case Adjacent to Rear of Cover.
• 4-Speed Transmission Unit Num ber Stamped on
Rear of Case, Above Output.
w G E N E R A L M O T O R S C O R P O R A T IO N
W ARRANTY MAY B E VO IDED IF W EIGHT EXCEEDS ANY O F RATINGS SHOW N. G RO SS
VEHICLE W EIGHT INCLUOES W EIGHT O F BASE TRUCK, ALL A D O ED EQUIPMENT, DRIVER
AND PASSENGERS, AND ALL PROPERTY LO A D ED INTO TRUCK.
* R E FER TO OW NERS M ANUAL F O R EQUIPMENT REQ UIRED F O R INTERMEDIATE O R MAXIMUM
GVW RATINGS, AND FO R O THER LOADING INFORMATION, INCLUDING TIRE INFLATION.
RATINGS IN POUNDS - AS MANUFACTURED *MAXIMUM CAPABILITY
GROSS VEH IC LE W EIGHT FOR THIS VEHICLE
MAXIMUM FR O N T END W EIGHT AT GROUND
M AXIMUM R EA R END W EIGHT AT GROUNO
VEHIC LE IDENTIFIC ATIO N NO.
v !
Fig. 1—Vehicle Identification Number and Rating
Plate Information
DESIGNATION
DIVISION
C = CHEVROLET
T = G M T
CHASSIS T Y P E
C = 2 WHEEL DRIVE
G = L IG H T DUTY
FO RW ARD CO NTRO L
K = 4 WHEEL DRIVE
P = FO RW AR D C O NTRO L
2-Forw ard Control
chassis only
3-Cab-chassis
4-C a b a n d pickup box
5-F orw ard Control
chassis only
(S teel-A lum inum Body)
6-S ub urban body
7-Forw ard Control
(Rec. Vehicle Chassis)
8-U tility (Blazer)
Fig. 2—Vehicle Identification Number
• Turbo Hydra-Matic 350 Transmission Unit Number
Located on Right Rear Vertical Surface of Oil Pan.
• The Turbo Hydra-Matic Transmission 400 Serial
Number is Located on the Light Blue Plate on the
Right Side of the Transmission.
Engines
• 6-Cylinder Engine Unit N um ber Located on Pad at
Right Hand Side of Cylinder Block at Rear of
Distributor.
• 8-Cylinder Engine Unit N um ber Located on Pad at
Front, Right Hand Side of Cylinder Block.
Deicotrons
Delcotron Unit Serial Num ber Located at Top of
Rear Housing.
w
Batteries
Battery Code Number Located on Cell Cover Top of
Battery.
Starters
Starter Serial N um ber and Production
Stamped on Outer Case, Toward Rear.
SERVICE PARTS IDENTIFICATION PLATE
The Service Parts Identification Plate (fig. 3) is provided
on all Truck models. On most series it will be located on
the inside of the glove box door, or, on Forward Control
series, it will be located on an inner body panel. The
plate lists the vehicle serial number, wheelbase, and all
Production options or Special Equipment on the vehicle
ENGINE
Q = L6-2 5 0
T = L 6-292
X = V8
Y = V8
Z — V8
MODEL YEAR
3 = 1973 fo r all
Series.
SEQUENTIAL NUMBER
ASSEMBLY PLANT
A -L ak ew o o d V -G M Truck-Pontiac
B O D Y STYLE
B -B altim ore R -A rlington
S-St. Louis
C-So uth gate
D -D o raville T-Tarrytow n
F-Flint U-Lordstown
G -F ra m in g h a m
W -W illo w Run
J-Janesville Y -W ilm in g to n
K-Leeds Z-Frem ont
L-Van N uys 1-Oshawa
N -N o rw o o d 2-Ste. Therese
LIGHT DUTY TRUCK SERVICE MANUAL
Date