GM Service Manual Online
For 1990-2009 cars only

Rear Spoiler Replacement Impala

Tools Required

J 25070 Heat Gun

Removal Procedure


    Object Number: 460264  Size: SH

    Notice: Use of harsh chemicals when cleaning can damage exterior lamps. Suggested cleaners are a mild soap and water, or Varnish Makers and Painters (VM&P) Naptha. VM&P Naptha is a specific type of naptha and should not be substituted by any other naptha.

  1. Open the rear compartment.
  2. Remove the nuts from the rear end spoiler studs.

  3. Object Number: 602278  Size: SH
  4. Heat the rear end spoiler mounting points from the inside, using J 25070 152 mm (6 in) from surface.
  5. Apply heat using a circular motion for about 30 seconds.


    Object Number: 321645  Size: SH
  6. Remove the rear end spoiler from the rear compartment lid surface using a small wood or plastic flat-bladed tool. Do NOT damage the paint.
  7. Remove the rear end spoiler from the rear compartment lid.
  8. Clean the rear end spoiler adhesive from the rear compartment lid and/or the rear end spoiler using 3M™ Scotch Brite molding adhesive remover disk, 3M™ P/N 07501, or equivalent.
  9. Clean the body panel using VM&P Naphtha in order to remove any adhesive. Wipe the surface dry with a clean, lint-free cloth.

Installation Procedure


    Object Number: 460264  Size: SH
  1. Warm the rear compartment lid with J 25070 from the outside, to a minimum of 21°C (70°F).
  2. Important: Do not touch the adhesive backing.

  3. Peel the backing from the mounting surfaces of the rear end spoiler.
  4. Align the rear end spoiler studs to the holes in the rear compartment lid.
  5. Install the rear end spoiler to the rear compartment lid, pressing into place until the adhesive is fully seated.
  6. Open the rear compartment.
  7. 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.

    Important: Use new nuts/mastic washers in order to avoid a possible water leak.

  8. Install the nuts to the rear end spoiler.
  9. Tighten
    Tighten the rear end spoiler nuts to 6 N·m (53 lb in).

  10. Close the rear compartment.

Rear Spoiler Replacement Monte Carlo without RPO BYP

Tools Required

J 25070 Heat Gun

Removal Procedure


    Object Number: 460262  Size: SH

    Notice: Use of harsh chemicals when cleaning can damage exterior lamps. Suggested cleaners are a mild soap and water, or Varnish Makers and Painters (VM&P) Naptha. VM&P Naptha is a specific type of naptha and should not be substituted by any other naptha.

  1. Open the rear compartment.
  2. Remove the nuts from the rear end spoiler studs.

  3. Object Number: 602278  Size: SH
  4. Heat the rear end spoiler mounting points from the inside, using J 25070 152 mm (6 in) from surface.
  5. Apply heat using a circular motion for about 30 seconds.

  6. Remove the rear end spoiler from the rear compartment lid surface using a small wood or plastic flat-bladed tool. Do NOT damage the paint.
  7. Remove the rear end spoiler from the rear compartment lid.

  8. Object Number: 321645  Size: SH
  9. Clean the rear end spoiler adhesive from the rear compartment lid and/or the rear end spoiler using 3M™ Scotch Brite molding adhesive remover disk, 3M™ P/N 07501, or equivalent.
  10. Clean the body panel using VM&P Naphtha in order to remove any adhesive. Wipe the surface dry with a clean, lint-free cloth.

Installation Procedure


    Object Number: 460262  Size: SH
  1. Warm the rear compartment lid with J 25070 from the outside, to a minimum of 21°C (70°F).
  2. Important: Do not touch the adhesive backing.

  3. Peel backing from the mounting surfaces of the rear end spoiler.
  4. Align rear end spoiler studs to the holes in the rear compartment lid.
  5. Install the rear end spoiler to the rear compartment lid, pressing into place until the adhesive is fully seated.
  6. Open the rear compartment.
  7. 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.

    Important: Use new nuts/mastic washers in order to avoid a possible water leak.

  8. Install the nuts to the rear end spoiler.
  9. Tighten
    Tighten the rear end spoiler nuts to 6 N·m (53 lb in).

  10. Close the rear compartment.

Rear Spoiler Replacement Monte Carlo with RPO Y92

Removal Procedure


    Object Number: 643483  Size: SH
  1. Remove the high mounted stop lamp from the rear compartment lid. Refer to High Mount Stop Lamp Replacement in Lighting Systems.
  2. Open the rear compartment lid.
  3. Remove the nuts from the studs on the rear end spoiler.

  4. Object Number: 643480  Size: SH
  5. Remove the rear end spoiler from the rear compartment lid.

Installation Procedure


    Object Number: 643477  Size: SH
  1. Using a small paint brush apply zinc-chromate primer to the spoiler stud inner and outer holes.

  2. Object Number: 643480  Size: SH
  3. Install the rear end spoiler to the rear compartment lid.

  4. Object Number: 643483  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.

  5. Install the nuts to the studs on the rear compartment lid spoiler.
  6. Tighten
    Tighten the rear compartment lid spoiler nuts to 6 N·m (53 lb in).

  7. Install the high mounted stop to the rear compartment lid. Refer to High Mount Stop Lamp Replacement in Lighting Systems.
  8. Close the rear compartment lid.