GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2004 🢒 Park Avenue 🢒 Engine 🢒 Engine Controls - 3.8L (L36 and L67) 🢒 Input Speed Sensor Replacement

Removal Procedure
  1. Remove the case side cover. Refer to Control Valve Body Cover Replacement .
  2. Disconnect the transaxle wiring harness.

    3. Object Number: 48196 Size: SH
  3. Remove the input speed sensor clip (441) from the case cover.
  4. Remove the input speed sensor (440) from the case cover.

    5. Object Number: 49299 Size: SH
  5. Inspect the input speed sensor (440) for the following conditions:
    6. • Damaged or missing magnet
    • Damaged housing
    • Bent or missing electrical terminals
    • Damaged speed sensor clip (441)

Installation Procedure

    Object Number: 48196 Size: SH
  1. Install the input speed sensor (440) into the case cover.
  2. Install the input speed sensor clip (441) into the case cover.
  3. Connect the transaxle wiring harness.
  4. Install the case side cover. Refer to Control Valve Body Cover Replacement .