2005 Pontiac GTO AutomaticFACTORY OEM SERVICE PROCEDURE

Trim Height Specifications

Trim Height Specifications

Specification Service Allowed Service Preferred
Z Trim Height 21-41 mm (0.8-1.6 in) 31 mm (1.2 in)
D Trim Height 41-61 mm (1.6-2.4 in) 51 mm (2.0 in)
Factory Service Tools

Use the Manual With the Right Hardware

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

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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.

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