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