GM Service Manual Online
For 1990-2009 cars only

Engine Mount Vacuum Hose Replacement Front Mount

Removal Procedure


    Object Number: 1992000  Size: SH
  1. Raise and support vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Remove the vacuum hose (1) from the vacuum hose fitting (2).
  3. Remove the vacuum hose (1) from the engine mount (3).

Installation Procedure


    Object Number: 1992000  Size: SH
  1. Install the vacuum hose (1) to the engine mount (3).
  2. Install the vacuum hose (1) to the vacuum hose fitting (2).
  3. Lower the vehicle.

Engine Mount Vacuum Hose Replacement Rear Mount

Removal Procedure

  1. Raise and support vehicle. Refer to Lifting and Jacking the Vehicle.

  2. Object Number: 1991695  Size: SH
  3. Remove the vacuum hose (1) from the rear engine mount vacuum fitting (2).

  4. Object Number: 1991593  Size: SH
  5. Remove the vacuum hose (1) from 3 vacuum hose retaining clips (2).

  6. Object Number: 1992028  Size: SH
  7. Remove the vacuum hose (1) from the fitting (2) on the vacuum tank.
  8. Remove vacuum hose from vehicle.

Installation Procedure


    Object Number: 1992028  Size: SH
  1. Position vacuum hose in place.
  2. Install the vacuum hose (1) to the fitting (2) on the vacuum tank.

  3. Object Number: 1991593  Size: SH
  4. Install the vacuum hose (1) into 3 vacuum hose retaining clips (2).

  5. Object Number: 1991695  Size: SH
  6. Install the vacuum hose (1) to the rear engine mount vacuum fitting (2).
  7. Lower the vehicle.

Engine Mount Vacuum Hose Replacement Trans Mount

Removal Procedure


    Object Number: 1991264  Size: SH
  1. Raise and support vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Remove the vacuum hose (1) from the vacuum hose clip (2).
  3. Remove the vacuum hose (1) from the engine mount (3).

  4. Object Number: 1991291  Size: SH
  5. Remove the vacuum hose (1) from the vacuum hose clips (2).
  6. Remove the vacuum hose (1) from the vacuum hose fitting (3).
  7. Remove the vacuum hose.

Installation Procedure


    Object Number: 1991291  Size: SH
  1. Install the vacuum hose (1) into the vacuum hose fitting (3).
  2. Install the vacuum hose (1) in the vacuum hose clips (2).

  3. Object Number: 1991264  Size: SH
  4. Install the vacuum hose (1) to the engine mount (3).
  5. Install the vacuum hose (1) in the vacuum hose clip (2).
  6. Lower the vehicle.

Engine Mount Vacuum Hose Replacement Vent Hose

Removal Procedure


    Object Number: 1991633  Size: SH
  1. Remove the vacuum hose (1) from the vacuum hose retaining clip (2).
  2. Raise and support vehicle. Refer to Lifting and Jacking the Vehicle.

  3. Object Number: 1991630  Size: SH
  4. Disconnect the vacuum hose (1) from vacuum line fitting (2).
  5. Remove vacuum hose (1).

  6. Object Number: 1991593  Size: SH
  7. Remove the vacuum hose (1) from 3 vacuum hose retaining clips (2).

  8. Object Number: 1991614  Size: SH
  9. Remove the vacuum hose (1) from the vacuum tank fitting (2).
  10. Remove vacuum hose (1).

Installation Procedure


    Object Number: 1991614  Size: SH
  1. Install the vacuum hose (1) onto the vacuum tank fitting (2).

  2. Object Number: 1991593  Size: SH
  3. Install the vacuum hose (1) into 3 vacuum hose retaining clips (2).

  4. Object Number: 1991630  Size: SH
  5. Position vacuum hose (1) in place.
  6. Connect the vacuum hose (1) to vacuum line fitting (2).

  7. Object Number: 1991633  Size: SH
  8. Lower the vehicle.
  9. Install the vacuum hose (1) to the vacuum hose retaining clip (2).

Engine Mount Vacuum Hose Replacement Intake Manifold

Removal Procedure


    Object Number: 1991745  Size: SH
  1. Remove the fuel injector sight shield. Refer to Lower Intake Manifold Replacement.
  2. Remove the vacuum hose (1) from the intake manifold fitting (2).

  3. Object Number: 1992118  Size: SH
  4. Raise and support vehicle. Refer to Lifting and Jacking the Vehicle.
  5. Remove the vacuum hose (1) from the vacuum hose retaining clip (2).

  6. Object Number: 1991728  Size: SH
  7. Separate the intake manifold vacuum hose (1) to vacuum tank vacuum hose (2).
  8. Remove vacuum hose (1).

  9. Object Number: 1992111  Size: SH
  10. Remove the vacuum hose (1) from 3 vacuum hose retaining clips (2).

  11. Object Number: 1991725  Size: SH
  12. Remove the vacuum hose (1) from the vacuum tank fitting (2).

Installation Procedure


    Object Number: 1991725  Size: SH
  1. Install the vacuum hose (1) to the vacuum tank fitting (2).

  2. Object Number: 1992111  Size: SH
  3. Install the vacuum hose (1) into 3 vacuum hose retaining clips (2).

  4. Object Number: 1991728  Size: SH
  5. Connect the intake manifold vacuum hose (1) to vacuum tank vacuum hose (2).
  6. Lower the vehicle.

  7. Object Number: 1992118  Size: SH
  8. Install the vacuum hose (1) in the vacuum hose retaining clip (2).

  9. Object Number: 1991745  Size: SH
  10. Connect the vacuum hose (1) to the intake manifold fitting (2).
  11. Install the fuel injector sight shield. Refer to Lower Intake Manifold Replacement.