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Fastener Specifications

WARNING: This page is about a different car, the 2021 Chevrolet Tahoe and 2021 Chevrolet Suburban. However, it is still accessible from the selected car via links, so may be relevant.
GM5549064Courtesy of GENERAL MOTORS COMPANY
Assist Step Assembly with B3L

Callout Component Name [Component Quantity] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Wiring Harness Retainer Bolt [2x] - - 5 N.m (44 lb in) Assist Step Wire Replacement (B3L) 
2 Assist Step Finish Cap Bolt [2x] - - 5 N.m (44 lb in) Assist Step Front Finish Cap Replacement (B3L) 
3 Assist Step Shield Bolt [7x] - Yes 5 N.m (44 lb in) Assist Step Insert Replacement 
4 Assist Step Bracket Bolt [4x] - - 12 N.m (106 lb in) Assist Step Replacement (B3L - Assist Step Assembly) , or Assist Step Replacement (BVE - Assist Step Assembly) , or Assist Step Replacement (B3L - Assist Step) , or Assist Step Replacement (BVE - Assist Step) 
5 Assist Step Shield Bolt (Link Assembly) [4x] - - 5 N.m (44 lb in) Assist Step Shield Replacement (Motor) , or Assist Step Shield Replacement (Link Assembly) 
6 Assist Step Bolt [6x] - - 22 N.m (16 lb ft) Assist Step Rear Bracket Replacement (B3L) , or Assist Step Rear Bracket Replacement (BVE) 
7 Assist Step Shield Bolt (Motor) [2x] - - 5 N.m (44 lb in) Assist Step Shield Replacement (Motor) , or Assist Step Shield Replacement (Link Assembly) 
8 Assist Step Rod Bolt [2x] - Yes 14 N.m (124 lb in) Assist Step Rod Replacement (B3L) 
GM5544151Courtesy of GENERAL MOTORS COMPANY
Assist Step Assembly with BVE

Callout Component Name [Component Quantity] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Assist Step Bolt [9x] - - 22 N.m (16 lb ft) Assist Step Replacement (B3L - Assist Step Assembly) , or Assist Step Replacement (BVE - Assist Step Assembly) , or Assist Step Replacement (B3L - Assist Step) , or Assist Step Replacement (BVE - Assist Step) 
2 Assist Step Bracket Bolt [8x] - - 12 N.m (106 lb in) Assist Step Replacement (B3L - Assist Step Assembly) , or Assist Step Replacement (BVE - Assist Step Assembly) , or Assist Step Replacement (B3L - Assist Step) , or Assist Step Replacement (BVE - Assist Step) 
GM5605389Courtesy of GENERAL MOTORS COMPANY
Assist Step Control Module with B3L

Callout Component Name [Component Quantity] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Assist Step Control Module Bolt [2x] - - 7 N.m (62 lb in) Running Board Control Module Replacement 
2 Assist Step Control Module Bracket Bolt [3x] - - 7 N.m (62 lb in) Running Board Control Module Replacement 
GM5596455Courtesy of GENERAL MOTORS COMPANY
Body Mount Cushions

Callout Component Name [Component Quantity] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Body Mount Nut [24x] - - 43 N.m (32 lb ft) Body Upgrade Mount Replacement 
2 Body Mount Bolt [2x] - Yes 165 N.m (122 lb ft) Body Upgrade Mount Replacement 
3 Body Mount Bolt [2x] - Yes 165 N.m (122 lb ft) Body Mount Upper Location Number 1 Cushion Replacement 
4 Body Mount Bolt [2x] - Yes 165 N.m (122 lb ft) Body Mount Upper Location Number 2 Cushion Replacement 
5 Body Mount Bolt [2x] - Yes 165 N.m (122 lb ft) Body Mount Upper Location Number 3 Cushion Replacement 
6 Body Mount Bolt [2x] - Yes 165 N.m (122 lb ft) Body Mount Upper Location Number 4 Cushion Replacement 
7 Body Mount Bolt [2x] - Yes 165 N.m (122 lb ft) Body Mount Upper Location Number 5 Cushion Replacement 
GM5568896Courtesy of GENERAL MOTORS COMPANY
Drivetrain and Front Suspension Frame Front Crossmember

Callout Component Name [Component Quantity] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Drivetrain and Front Suspension Frame Reinforcement Nut [4x] - - First Pass: 75 N.m (55 lb ft)
Final Pass: 90 degrees to 105 degrees		 Drivetrain and Front Suspension Frame Front Crossmember Replacement (4WD) , or Drivetrain and Front Suspension Frame Front Crossmember Replacement (2WD) 
2 Drivetrain and Front Suspension Frame Reinforcement Bolt [4x] - - - Drivetrain and Front Suspension Frame Front Crossmember Replacement (4WD) , or Drivetrain and Front Suspension Frame Front Crossmember Replacement (2WD) 
GM5513591Courtesy of GENERAL MOTORS COMPANY
Front Tire Front Air Deflector

Callout Component Name [Component Quantity] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Front Tire Front Air Deflector Bolt [6x] - - 2.5 N.m (22 lb in) Front Tire Front Air Deflector Replacement 
GM5672384Courtesy of GENERAL MOTORS COMPANY
Front Tow Hook

Callout Component Name [Component Quantity] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Front Tow Hook Bolt Yes - First Pass: 75 N.m (55 lb ft)
Final Pass: 60 degrees to 75 degrees		 Front Tow Hook Replacement 
2 Front Tow Hook Bolt Yes - First Pass: 75 N.m (55 lb ft)
Final Pass: 60 degrees to 75 degrees		 Front Tow Hook Replacement 
3 Front Tow Hook Nut - - - Front Tow Hook Replacement 
GM5515174Courtesy of GENERAL MOTORS COMPANY
Front Wheelhouse Liner

Callout Component Name [Component Quantity] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Front Wheelhouse Liner Bolt [12x] - - 2.5 N.m (22 lb in) Front Wheelhouse Liner Replacement 
GM5587831Courtesy of GENERAL MOTORS COMPANY
Front Wheelhouse Panel Bracket

Callout Component Name [Component Quantity] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Front Wheelhouse Front Panel Bolt [3x] - - 9 N.m (80 lb in) Front Wheelhouse Panel Bracket Replacement 
GM5515288Courtesy of GENERAL MOTORS COMPANY
Rear Wheelhouse Liner

Callout Component Name [Component Quantity] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Rear Wheelhouse Liner Bolt [14x] - - 2.5 N.m (22 lb in) Rear Wheelhouse Liner Replacement 
GM5643691Courtesy of GENERAL MOTORS COMPANY
Spare Wheel Heat Shield (Dual Exhaust)

Callout Component Name [Component Quantity] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Spare Wheel Heat Shield Bolt [3x] - - 22 N.m (16 lb ft) Spare Wheel Heat Shield Replacement (Single Exhaust) , or Spare Wheel Heat Shield Replacement (Dual Exhaust) 
GM5619339Courtesy of GENERAL MOTORS COMPANY
Spare Wheel Heat Shield (Side Frame)

Callout Component Name [Component Quantity] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Spare Wheel Heat Shield Bolt [2x] - - 22 N.m (16 lb ft) Spare Wheel Heat Shield Replacement (Single Exhaust) , or Spare Wheel Heat Shield Replacement (Dual Exhaust) 
GM5612778Courtesy of GENERAL MOTORS COMPANY
Spare Wheel Heat Shield (Single Exhaust)

Callout Component Name [Component Quantity] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Spare Wheel Heat Shield Bolt [3x] - - 22 N.m (16 lb ft) Spare Wheel Heat Shield Replacement (Single Exhaust) , or Spare Wheel Heat Shield Replacement (Dual Exhaust) 
GM5549549Courtesy of GENERAL MOTORS COMPANY
Transfer Case Skid Shield

Callout Component Name [Component Quantity] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Transfer Case Skid Shield Bolt [3x] - - 58 N.m (43 lb ft) Transfer Case Skid Shield Replacement 
GM4974118Courtesy of GENERAL MOTORS COMPANY
Transmission Support Crossmember (2WD)

Callout Component Name [Component Quantity] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Transmission Support Crossmember Nut [4x] - - 115 N.m (85 lb ft) Transmission Support Crossmember Replacement (2WD with F47) , or Transmission Support Crossmember Replacement (4WD with F47) , or Transmission Support Crossmember Replacement (4WD without F47) , or Transmission Support Crossmember Replacement (2WD without F47) 
2 Transmission Support Crossmember Bolt [4x] - - - Transmission Support Crossmember Replacement (2WD with F47) , or Transmission Support Crossmember Replacement (4WD with F47) , or Transmission Support Crossmember Replacement (4WD without F47) , or Transmission Support Crossmember Replacement (2WD without F47) 
GM4971885Courtesy of GENERAL MOTORS COMPANY
Transmission Support Crossmember (4WD)

Callout Component Name [Component Quantity] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Transmission Support Crossmember Nut [4x] - - 115 N.m (85 lb ft) Transmission Support Crossmember Replacement (2WD with F47) , or Transmission Support Crossmember Replacement (4WD with F47) , or Transmission Support Crossmember Replacement (4WD without F47) , or Transmission Support Crossmember Replacement (2WD without F47) 
2 Transmission Support Crossmember Bolt [4x] - - - Transmission Support Crossmember Replacement (2WD with F47) , or Transmission Support Crossmember Replacement (4WD with F47) , or Transmission Support Crossmember Replacement (4WD without F47) , or Transmission Support Crossmember Replacement (2WD without F47) 
GM5514859Courtesy of GENERAL MOTORS COMPANY
Underbody Splash Shield with RC1

Callout Component Name [Component Quantity] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Front Bumper Fascia Skid Plate Bolt [4x] - - 2.5 N.m (22 lb in) Underbody Splash Shield Replacement (With RC1) 
2 Underbody Skid Shield Bolt [4x] - - 22 N.m (16 lb ft) Underbody Splash Shield Replacement (With RC1) 
3 Underbody Splash Shield Bolt [2x] - - 22 N.m (16 lb ft) Underbody Skid Shield Replacement (With RC1) , or Underbody Skid Shield Replacement (With WTX) 
GM5514860Courtesy of GENERAL MOTORS COMPANY
Underbody Skid Shield without RC1

Callout Component Name [Component Quantity] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Underbody Skid Shield Bolt [4x] - - 22 N.m (16 lb ft) Underbody Skid Shield Replacement (With RC1) , or Underbody Skid Shield Replacement (With WTX) 
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