GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2005 🢒 Montana SV6 - AWD 🢒 Engine 🢒 Engine Mechanical - 3.5L (LX9) 🢒 Oil Filter Adapter and Bypass Valve Assembly Replacement

Removal Procedure
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.

    2. Object Number: 187015 Size: SH
  2. Remove the oil filter. Refer to Engine Oil and Oil Filter Replacement .
  3. Remove the oil filter bypass hole plug.

    4. Important: Do not remove the oil filter fitting unless replacement or repair is needed.

  4. Remove the oil filter fitting, if necessary.

    5. Important: Do not pry against the threads in the oil filter bypass hole when removing the bypass valve.

  5. Insert a flat bladed tool into the oil filter bypass hole and remove the bypass valve.

Installation Procedure

    Object Number: 187015 Size: SH
  1. Install the oil filter bypass valve.

    2. Notice: Refer to Fastener Notice in the Preface section.

  2. Install the oil filter fitting, if necessary.

    3. Tighten
    Tighten the oil filter fitting to 39 N·m (29 lb ft).

  3. Install the oil filter bypass valve plug. Apply sealer to the threads. Refer to Adhesives, Fluids, Lubricants, and Sealers for the 3.5L engine.

    4. Tighten
    Tighten the oil filter bypass valve plug to 19 N·m (14 lb ft).


    Object Number: 187086 Size: SH
  4. Install the oil filter. Refer to Engine Oil and Oil Filter Replacement .

    5. Tighten
    Tighten the oil filter to 30 N·m (22 lb ft).

  5. Lower the vehicle.
  6. Check and fill the crankcase as necessary.