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Home >> Chevrolet >> 2002 >> Silverado 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1501 (Automatic Transmission - 6T75 - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis) >> On-Vehicle Repair Instructions >> Input Speed Sensor Seal Replacement

Input Speed Sensor Seal Replacement

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Input Speed Sensor Components
GM1830432Courtesy of GENERAL MOTORS CORP.
Callout Component Name

Preliminary Procedures

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Drain the transmission, refill when repair is completed. Refer to Transmission Fluid Replacement .
  3. Remove the left engine splash shield. Refer to Engine Splash Shield Replacement .
1 Input Speed Sensor Bolt M6 x 25
CAUTION: Refer to Fastener Caution .

Procedure: 
Apply threadlocker GM P/N 12345382 (Canadian P/N 10953489) or equivalent to the input speed sensor bolt.

Tighten:  9 N.m (80 lb in)

2 Input Speed Sensor (ISS)
Tip:  Pull the ISS out of the case cover just far enough to gain access to the ISS seal.
3 Input Speed Sensor Seal
Tip: 
  • Remove the ISS seal by pulling it over the end of the ISS base.
  • Install the new ISS Seal by gently stretching it over the ISS base. Overstretching the seal will cause it to not seal properly. The seal is coated with a dry lubricant. If the coating is missing, lubricate the seal with automatic transmission fluid prior to installation.