GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2001 🢒 Savana (CNG) 🢒 Engine 🢒 Engine Controls - 5.0L and 5.7L 🢒 Fuel Mixer Replacement

Removal Procedure
  1. Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .

    2. Object Number: 735030 Size: SH
  2. Remove the retaining clamp (2) from the assembly.
  3. Separate the fuel mixer housing (1) from the throttle body adapter (3).

    4. Object Number: 734812 Size: SH
  4. Remove the fuel mixer retaining bolts (6).
  5. Separate the fuel mixer (1) from the throttle body adapter.

Installation Procedure

    Object Number: 734812 Size: SH
  1. Install the fuel mixer (1) into the throttle body adapter (2) ensuring that all mounting surfaces are clean.

    2. 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 fuel mixer retaining bolts (6).

    3. Tighten
    Tighten the fuel mixer retaining bolts to 4 N·m (35 lb in).


    Object Number: 735030 Size: SH
  3. Attach the fuel mixer housing (1) to the throttle body adapter (3) using the retaining clamp (2).

    4. Tighten
    Tighten the clamp to 2 N·m (18 lb in).

  4. Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .