Overhaul - Km175, Km176 & Km177: Description

1990 Hyundai Excel GLS, AutomaticSECTION Description

Automatic transaxle is electronically controlled and has 4 forward speeds and one reverse speed. Transaxle shifting is controlled by Transmission Control Module (TCM). On KM175 and KM176 models, damper clutch lock-up (torque converter lock-up) are controlled by Transmission Control Module (TCM). On KM177 models, damper clutch is not used.

On all models, electronic control system contains a fail-safe system in the event that an electronic component should malfunction. Fail-safe system will provide transaxle operation until malfunction is repaired. If failures exists in certain electronic components for a repeated number of times, transaxle may lock-up and remain in 2nd or 3rd gear. For more information about the fail-safe system, refer to the AUTO TRANS DIAGNOSIS - KM175, KM176 & KM177 article in the AUTO TRANS DIAGNOSIS section.

RENDER: 1.0x

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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.