Engine Identification

1983 GMC Value Van P2500, 6.2 J, StandardSECTION Engine Identification
NOTE: For engine repair procedures not covered in this article, see ENGINE OVERHAUL PROCEDURES - GENERAL INFORMATION article in the GENERAL INFORMATION section.

Engine may be identified by a letter code in eighth position of Vehicle Identification Number (VIN). The VIN is stamped on a metal tab, attached to left side of dash, near windshield. Engine identification number is also stamped on a machined pad, at right hand side of cylinder block, rearward of distributor bore.

ENGINE IDENTIFICATION CODES

Application Engine Code Engine Id No.
4.1L 6-Cylinder 2-Bbl. VIN Code D LE3 (1)
(1) UAB, UAD, UAK, UAM, UAN, UAR, UAS, UAT, UAU, UAW, UAX, UAY, UAZ, UUN, UUR, UUS, UUT, UUU, UUW
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.