Section 191 (Automatic Transmission Servicing): Identification: Transmission

2004 Oldsmobile Bravada RWDSECTION Transmission
WARNING: This page is about a different car, the 2003 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.

The transmission identification number is located behind the oil pan. See Fig 1 . For ID number breakdown, see IDENTIFICATION NUMBER SYSTEM  table.

IDENTIFICATION NUMBER SYSTEM

Position Definition Character Description
1 Model Year 3 2003
2 Model CA Corvette
3 Transmission Type D RPO M30, HYDRA-MATIC 4L60-E
4 Julian Date 187 Day Of Year
5 Shift Built A, B, J-First Shift; C, H, W-Second Shift .....
6 Serial No. 16588320 .....
Fig 1: Locating A/T Transmission ID Number
G00160165Courtesy of GENERAL MOTORS CORP.
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

When to See a Mechanic

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

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