TransTech 

Diagnostics

              Over 29 Years Of Diagnosing Transmissions

4X4 Diagnostic Information

 

New Venture Gear 246


Encoder Motor Range Sensor failure can be caused by a Linkage Bearing & Seal assembly leak into the encoder motor without any signs of external leak (figure 1).

 

    The Range Sensor can be purchased separately GM part #88962315. Figure 2 shows the Encoder Motor disassembled.

 

    Control Actuator Lever Bearing & Seal assembly part # 12547464