How to Determine Engine Build Date | Ford Explorer Forums

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How to Determine Engine Build Date

yoketm

New Member
Joined
September 14, 2004
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City, State
Cincinnati, Ohio
Year, Model & Trim Level
'91 2DR 4WD
Hi. New member, new explorer owner. Mine's a 1991 4.0L 6Cyl OHV 2Dr 4Wd. Apparently I need to know my engine's build date. Ford says I need to know before or after March 1991. Is there a simple way to tell? Thanks for any help.
 



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there was a sticker on mine but if you give them your vin number they should be able to find out
 






The manufacturing date should be listed on the door sticker. The under the hood stickers may list the engine build date. Like said above, the dealer can look up the vin number and give all the info as well.
 






Thank You

Thanks for the help. Tad.
 






You can get the vehicle build date from the VIN, the following is the Vehicle Identification Number decoded. You should have 17 characters (on the plate on the drivers door). For example my VIN is 1FMDU35P9VUC49227

1 - Built in U.S.A.
F - By FORD MOTOR COMPANY
M - MULTI PURPOSE VEHICLE
D - HYDRAULIC BRAKE CLASS D 5000-6000LBS
U35 - Model and body type - XLT AWD
P - 5.0 V8 EFI MOTOR
9 - Check Digit for the VIN
V - Year of manufacture 1997
U - Factory that built the car LOUISEVILLE, KENTUCKY, U.S.A.
C49227 - Car number at the factory

The first three characters signify the make of the car, usually as follows: The first character of your VIN represents the country of manufacture
1 = USA J = Japan Y = Finland, Sweden
2 = Canada K = Korea
3 = Mexico W = Germany

The second character represents the manufacturer or make of the vehicle, as follows:
A = Alfa Romeo, B = Dodge, C = Chrysler, D = Daihatsu, E = Eagle, F= Ford/Eagle,
G = All General Motors vehicles (Buick, Cadillac, Chevrolet, Oldsmobile, Pontiac, Saturn)
H = Honda/Acura, J= Jeep, L = Lincoln, M = Mitsubishi, N = Nissan/Infiniti, P = Plymouth,
S = Subaru, T = Toyota/Lexus, V = Volkswagen

Other makes use a 3-character combination:
TRU/WAU = Audi, 4US/WBA/WBS = BMW, 2HM/KMH = Hyundai, SAJ = Jaguar,
SAL = Land Rover, 1YV/JM1 = Mazda, WDB = Mercedes-Benz, VF3 = Peugeot,
WP0 = Porsche, YK1/YS3 = Saab, YV1=Volvo, 8 = Isuzu

The fourth character is the type of restraint system or brake type:
For the Ford VIN Decoder, the R represents hydraulic brakes

The fifth, sixth & seventh characters are the car line, series and body style
This will obviously be different for all makes, but let's use the Ford VIN Decoder example above: Characters 5, 6 & 7 are X18: X18 is a Ford F150 Pickup 4WD Super Cab

The eighth character is a description of the engine:
This will be different for all makes as well, so let's use the Ford VIN Decoder example again: Character 8 is a W: W represents a 4.6 liter V-8 engine

The tenth character represents the year of the car. Pay close attention to this one:
B = 1981 F = 1985 K = 1989 P = 1993 V = 1997 1 = 2001
C = 1982 G = 1986 L = 1990 R = 1994 W = 1998 2 = 2002
D = 1983 H = 1987 M = 1991 S = 1995 X = 1999 3 = 2003
E = 1984 J = 1988 N = 1992 T = 1996 Y = 2000

The eleventh character indicates the assembly plant.
In the above Ford VIN Decoder example, the C indicates Ontario, Canada

Characters 12-17 represent the vehicle's unique fingerprint.
It is these six digits which make every single vehicle in the world different.

Please note: The letter "I" as in indigo, the letter "O" as in orange, and the letter "Q" as in queen are NOT found in any VIN Numbers.

For more recent Fords (2000-2004), they have specific decoders which can be found at
Dead Link Removed

Hope this helps.

Jason H.
 






FYI - Just called Ford (800-392-3673 opt #4) today to find the build date of my engine. They told me no one at the service center has that information. I was calling about ONP 01M01 to see if my engine was covered.
 






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