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Fastener Specifications

WARNING: This page is about a different car, the 2023 GMC Sierra 3500 HD and 2023 GMC Sierra 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
GM5788852Courtesy of GENERAL MOTORS COMPANY
NOTE: Callouts in the following chart represent components shown in graphic above.
Brake Master Cylinder and Power Brake Booster

Callout Component Name Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Power Brake Booster Gasket Yes - - Power Brake Booster Replacement (L5P) Power Brake Booster Replacement (L8T) 
2 Power Brake Booster Nut - - 5 N.m (44 lb in) Power Brake Booster Replacement (L5P) Power Brake Booster Replacement (L8T) 
3 Power Brake Booster Seal Yes - - Power Brake Booster Replacement (L5P) Power Brake Booster Replacement (L8T) 
4 Brake Master Cylinder Reservoir Bolt [4X] - - 8 N.m (71 lb in) Brake Master Cylinder Reservoir Replacement (L5P) Brake Master Cylinder Reservoir Replacement (L8T) 
5 Brake Master Cylinder Reservoir Grommet [2X] Yes - - Brake Master Cylinder Reservoir Replacement (L5P) Brake Master Cylinder Reservoir Replacement (L8T) 
6 Brake Pressure Modulator Valve Front Pipe Nut [2X] - - 25 N.m (18 lb ft) Brake Pressure Modulator Valve Primary Pipe Replacement (L5P) Brake Pressure Modulator Valve Primary Pipe Replacement (L8T) 
Brake Pressure Modulator Valve Secondary Pipe Replacement (L5P) Brake Pressure Modulator Valve Secondary Pipe Replacement (L8T) 
7 Brake Master Cylinder Nut [2X] - - 36 N.m (27 lb ft) Brake Master Cylinder Replacement (L5P) Brake Master Cylinder Replacement (L8T) 
GM5642765Courtesy of GENERAL MOTORS COMPANY
NOTE: Callouts in the following chart represent components shown in graphic above.
Brake Pedal Assembly Replacement

Callout Component Name Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Brake Pedal Nut [5X] - Yes 36 N.m (27 lb ft) Brake Pedal Assembly Replacement (L5P) Brake Pedal Assembly Replacement (L8T) 
2 Brake Pedal Push Rod Bolt - Yes 10 N.m (89 lb in) Brake Pedal Assembly Replacement (L5P) Brake Pedal Assembly Replacement (L8T) 
GM5745473Courtesy of GENERAL MOTORS COMPANY
NOTE: Callouts in the following chart represent components shown in graphic above.
Front Brake Hose Bracket

Callout Component Name Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Front Brake Hose Bracket Bolt [2X] - - 9 N.m (80 lb in) Front Brake Hose Replacement 
GM5788848Courtesy of GENERAL MOTORS COMPANY
NOTE: Callouts in the following chart represent components shown in graphic above.
Front Brake Hose at Caliper

Callout Component Name Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Front Brake Hose Fitting Bolt - - 40 N.m (30 lb ft) Front Brake Hose Replacement 
2 Front Brake Hose Washer [2X] Yes - - Front Brake Hose Replacement 
GM5788850Courtesy of GENERAL MOTORS COMPANY
NOTE: Callouts in the following chart represent components shown in graphic above.
Front Brake Hose at Front Brake Front Pipe

Callout Component Name Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Front Brake Front Pipe Nut - - 25 N.m (18 lb ft) Front Brake Hose Replacement 
2 Front Brake Hose Bracket Bolt - - 12 N.m (106 lb in) Front Brake Hose Replacement 
GM5788851Courtesy of GENERAL MOTORS COMPANY
NOTE: Callouts in the following chart represent components shown in graphic above.
Front Brake Pipes

Callout Component Name Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Brake Pressure Modulator Valve Front Pipe Nut [2X] - - 25 N.m (18 lb ft) Brake Pressure Modulator Valve Primary Pipe Replacement (L5P) Brake Pressure Modulator Valve Primary Pipe Replacement (L8T) 
Brake Pressure Modulator Valve Secondary Pipe Replacement (L5P) Brake Pressure Modulator Valve Secondary Pipe Replacement (L8T) 
2 Front Brake Front Pipe Nut [4X] - - 25 N.m (18 lb ft) Front Brake Intermediate Pipe Replacement (L5P) Front Brake Intermediate Pipe Replacement (L8T) 
3 Front Brake Front Pipe Nut [4X] - - 25 N.m (18 lb ft) Front Brake Intermediate Pipe Replacement (L5P) Front Brake Intermediate Pipe Replacement (L8T) 
4 Front Brake Front Pipe Nut - - 25 N.m (18 lb ft) Front Brake Front Pipe Replacement - Right Side (L5P) Front Brake Front Pipe Replacement - Right Side (L8T) 
5 Front Brake Front Pipe Nut - - 25 N.m (18 lb ft) Front Brake Front Pipe Replacement - Left Side 
6 Rear Brake Intermediate Pipe Nut - - 25 N.m (18 lb ft) Rear Brake Intermediate Pipe Replacement - Frame Left Side 
7 Rear Brake Intermediate Pipe Nut - - 25 N.m (18 lb ft) Rear Brake Intermediate Pipe Replacement - Frame Right Side 
8 Rear Brake Intermediate Pipe Nut - - 25 N.m (18 lb ft) Rear Brake Intermediate Pipe Replacement - Frame Right Side 
9 Rear Brake Intermediate Pipe Nut - - 25 N.m (18 lb ft) Rear Brake Intermediate Pipe Replacement - Frame Left Side 
10 Brake Pipe Manifold Bolt [2X] - - 13 N.m (115 lb in) Front Brake Crossover Pipe Connector Replacement 
Rear Brake Intermediate Pipe Connector Replacement 
GM5974936Courtesy of GENERAL MOTORS COMPANY
NOTE: Callouts in the following chart represent components shown in graphic above.
Radiator Outlet Hose Bracket Bolt

Callout Component Name Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Radiator Outlet Hose Bracket Bolt - - 9 N.m (80 lb in) Front Brake Front Pipe Replacement - Right Side (L5P) Front Brake Front Pipe Replacement - Right Side (L8T) 
GM5788853Courtesy of GENERAL MOTORS COMPANY
NOTE: Callouts in the following chart represent components shown in graphic above.
Rear Brake Hose at Caliper

Callout Component Name Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Rear Brake Hose Fitting Bolt - - 40 N.m (30 lb ft) Rear Brake Hose Replacement 
2 Rear Brake Hose Washer [2X] Yes - - Rear Brake Hose Replacement 
GM5791773Courtesy of GENERAL MOTORS COMPANY
NOTE: Callouts in the following chart represent components shown in graphic above.
Rear Brake Hose at Rear Brake Intermediate Pipe

Callout Component Name Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Rear Brake Crossover Pipe Bracket Bolt - - 22 N.m (16 lb ft) Rear Brake Hose Replacement 
2 Rear Brake Intermediate Pipe Nut - - 25 N.m (18 lb ft) Rear Brake Hose Replacement 
GM5788854Courtesy of GENERAL MOTORS COMPANY
NOTE: Callouts in the following chart represent components shown in graphic above.
Rear Hydraulic with Chassis Cab - 310/314

Callout Component Name Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Rear Brake Hose Bracket Bolt - - 22 N.m (16 lb ft) Rear Brake Hose Replacement - Center (with Chassis Cab - 310/314) 
2 Rear Brake Intermediate Pipe Nut [2x] - - 25 N.m (18 lb ft) Rear Brake Hose Replacement - Center (with Chassis Cab - 310/314) 
3 Rear Brake Hose Bracket Nut - - 22 N.m (16 lb ft) Rear Brake Hose Replacement - Center (with Chassis Cab - 310/314) 
4 Rear Brake Hose Bracket Bolt - - 22 N.m (16 lb ft) Rear Brake Hose Replacement - Center (with Chassis Cab - 310/314) 
5 Rear Brake Intermediate Pipe Nut - - 25 N.m (18 lb ft) Rear Brake Intermediate Pipe Replacement - Axle Left Side (with Chassis Cab - 310/314) 
6 Rear Brake Intermediate Pipe Nut - - 25 N.m (18 lb ft) Rear Brake Intermediate Pipe Replacement - Axle Right Side (with Chassis Cab - 310/314) 
7 Rear Brake Crossover Pipe Bracket Nut [2x] - - 22 N.m (16 lb ft) Rear Brake Hose Replacement - Center (with Chassis Cab - 310/314) 
GM5791757Courtesy of GENERAL MOTORS COMPANY
NOTE: Callouts in the following chart represent components shown in graphic above.
Rear Hydraulic without Chassis Cab - 310/314

Callout Component Name Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Rear Brake Hose Bracket Bolt [2x] - - 22 N.m (16 lb ft) Rear Brake Hose Replacement - Center (without Chassis Cab - 310/314) 
2 Rear Brake Intermediate Pipe Nut [2x] - - 25 N.m (18 lb ft) Rear Brake Hose Replacement - Center (without Chassis Cab - 310/314) 
3 Rear Brake Intermediate Pipe Nut - - 25 N.m (18 lb ft) Rear Brake Intermediate Pipe Replacement - Axle Left Side (without Chassis Cab - 310/314) 
4 Rear Brake Intermediate Pipe Nut - - 25 N.m (18 lb ft) Rear Brake Intermediate Pipe Replacement - Axle Right Side (without Chassis Cab - 310/314) 
5 Rear Brake Crossover Pipe Bracket Nut [2x] - - 22 N.m (16 lb ft) Rear Brake Hose Replacement - Center (without Chassis Cab - 310/314) 
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