GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 Impala 🢒 Transmission/Transaxle 🢒 Automatic Transaxle - 4T65-E 🢒 Automatic Transmission Fluid Pressure Test Hole Plug Replacement

Removal Procedure
  1. Remove the air cleaner intake duct. Refer to Air Cleaner Inlet Duct Replacement in Engine Controls - 3.4L or Air Cleaner Inlet Duct Replacement in Engine Controls - 3.8L.

    2. Object Number: 164784 Size: SH
  2. Remove the line pressure pipe plug (38).

Installation Procedure
  1. Apply GM P/N 12345382 (Canadian P/N 10953489) or equivalent to the line pressure pipe plug.

    2. Object Number: 164784 Size: SH

    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.

  2. Install the line pressure pipe plug (38).

    3. Tighten
    Tighten the plug to 12 N·m (106 lb in).

  3. Install the air cleaner intake duct. Refer to Air Cleaner Inlet Duct Replacement in Engine Controls - 3.4L or Air Cleaner Inlet Duct Replacement in Engine Controls - 3.8L.