GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2008 🢒 Lucerne 🢒 Transmission/Transaxle 🢒 Automatic Transaxle - 4T80-E 🢒 Vehicle Speed Sensor and Transmission Fluid Cooler Pipe Fitting Installation

    Object Number: 1592067 Size: SH
  1. Inspect the output speed sensor (130) for damage or a cut seal (4).
  2. Inspect the cooler connector (3) for damaged threads, clogging, or a cut seal (4).

    3. Object Number: 1592076 Size: SH
  3. Install the output speed sensor (130) and the seal (4).

    4. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  4. Install the output speed sensor bolt (131).

    5. Tighten
    Tighten the bolt to 8-14 N·m (6-10 lb ft).

  5. Install the cooler fitting (3) and the new seal (4) or fitting (38) and seal (39) into the case.

    6. Tighten
    Tighten the cooler fitting to 25-29 N·m (19-21 lb ft).