GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2009 🢒 Sierra - 4WD 🢒 Body Repair 🢒 Frame and Underbody 🢒 Drivetrain and Front Suspension Frame Front Crossmember Replacement

Drivetrain and Front Suspension Frame Front Crossmember Replacement 2WD 2500HD, 3500


Object Number: 1702712 Size: MF

Callout

Component Name

Preliminary Procedures

  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Remove the oil pan skid plate. Refer to Oil Pan Skid Plate Replacement.

1

Engine Front Crossmember Nut (Qty: 2)

Caution: Refer to Fastener Caution in the Preface section.

Tighten
70 N·m (52 lb ft) plus 110 degrees

2

Engine Front Crossmember Bolt (Qty: 2)

Procedure

  1. Remove all traces of the original adhesive patch.
  2. Clean the threads of the bolt with denatured alcohol or equivalent and allow to dry.
  3. Apply threadlocker GM P/N 12345493 (Canadian P/N 10953488).

3

Engine Front Crossmember Nut (Qty: 2)

Tighten
70 N·m (52 lb ft) plus 110 degrees

4

Engine Front Crossmember Bolt (Qty: 2)

Procedure

  1. Remove all traces of the original adhesive patch.
  2. Clean the threads of the bolt with denatured alcohol or equivalent and allow to dry.
  3. Apply threadlocker GM P/N 12345493 (Canadian P/N 10953488).

5

Lower Control Arm Crossmember

Drivetrain and Front Suspension Frame Front Crossmember Replacement 1500, 2500 LD


Object Number: 1702710 Size: MF

Callout

Component Name

Preliminary Procedure

Remove the oil pan skid plate. Refer to Oil Pan Skid Plate Replacement.

1

Engine Front Crossmember Nut (Qty: 4)

Caution: Refer to Fastener Caution in the Preface section.

Tighten
105 N·m (77 lb ft)

2

Engine Front Crossmember Bolt (Qty: 4)

Procedure

  1. Remove all traces of the original adhesive patch.
  2. Clean the threads of the bolt with denatured alcohol or equivalent and allow to dry.
  3. Apply threadlocker GM P/N 12345493 (Canadian P/N 10953488).

3

Lower Control Arm Crossmember

Drivetrain and Front Suspension Frame Front Crossmember Replacement 4WD 2500 HD, 3500


Object Number: 1702711 Size: MF

Callout

Component Name

Preliminary Procedure

Remove the oil pan skid plate. Refer to Oil Pan Skid Plate Replacement.

1

Engine Front Crossmember Nut (Qty: 4)

Caution: Refer to Fastener Caution in the Preface section.

Tighten
70 N·m (52 lb ft) Plus 110 Degrees

2

Engine Front Crossmember Bolt (Qty: 4)

Procedure

  1. Remove all traces of the original adhesive patch.
  2. Clean the threads of the bolt with denatured alcohol or equivalent and allow to dry.
  3. Apply threadlocker GM P/N 12345493 (Canadian P/N 10953488).

3

Lower Control Arm Crossmember