Fastener Specifications

2025 Chevrolet Traverse High Country, FWDSECTION Fastener Specifications
GM6385790Courtesy of GENERAL MOTORS COMPANY
NOTE: Callout items in the following chart represent components shown in graphic above.
Charge Air Cooler Coolant Hose

Callout Component Name [Component Quantity] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Charge Air Cooler Inlet Air Hose Clamp Nut - - 9 N.m (80 lb in) Charge Air Cooler Coolant Hose Replacement 
GM6385423Courtesy of GENERAL MOTORS COMPANY
NOTE: Callout items in the following chart represent components shown in graphic above.
Charge Air Cooler Coolant Pump

Callout Component Name Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Charge Air Cooler Coolant Pump Bolt [2x] - - 9 N.m (80 lb in) Charge Air Cooler Coolant Pump Replacement 
GM6620142Courtesy of GENERAL MOTORS COMPANY
NOTE: Callout items in the following chart represent components shown in graphic above.
Engine Coolant Heater

Callout Component Name Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Engine Coolant Heater - - 50 N.m (37 lb ft) Engine Coolant Heater Replacement 
GM6562956Courtesy of GENERAL MOTORS COMPANY
NOTE: Callout items in the following chart represent components shown in graphic above.
Engine Cooler Fan

Callout Component Name Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Engine Coolant Fan Bolt [2x] - - 5.1 N.m (45 lb in) Engine Coolant Fan Replacement 
2 Engine Coolant Fan Shroud Retainer [3x] - - 0.9 N.m (8 lb in) Engine Coolant Fan Replacement 
GM6427996Courtesy of GENERAL MOTORS COMPANY
NOTE: Callout items in the following chart represent components shown in graphic above.
Engine Coolant Flow Control Valve

Callout Component Name [Component Quantity] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Engine Coolant Flow Control Valve Bolt - - First Pass: 8 N.m (71 lb in)
Final Pass: 60 degrees
Engine Coolant Flow Control Valve Replacement 
2 Water Outlet Seal Yes - - Engine Coolant Flow Control Valve Replacement 
GM6427982Courtesy of GENERAL MOTORS COMPANY
NOTE: Callout items in the following chart represent components shown in graphic above.
Engine Oil Cooler

Callout Component Name [Component Quantity] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Engine Oil Cooler Bolt [5x] - - 10 N.m (89 lb in) Engine Oil Cooler Replacement 
2 Engine Oil Cooler Seal Yes - - Engine Oil Cooler Replacement 
GM6427981Courtesy of GENERAL MOTORS COMPANY
NOTE: Callout items in the following chart represent components shown in graphic above.
Engine Wiring Harness Bracket Bolt

Callout Component Name [Component Quantity] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Engine Wiring Harness Bracket Bolt - - 9 N.m (80 lb in) Engine Coolant Heater Replacement 
GM6427978Courtesy of GENERAL MOTORS COMPANY
NOTE: Callout items in the following chart represent components shown in graphic above.
Engine Wiring Harness Bolt

Callout Component Name [Component Quantity] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Engine Wiring Harness Bolt - - 22 N.m (16 lb ft) Engine Coolant Heater Replacement 
GM6427987Courtesy of GENERAL MOTORS COMPANY
NOTE: Callout items in the following chart represent components shown in graphic above.
Heater Inlet Pipe

Callout Component Name [Component Quantity] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Heater Inlet Pipe Bolt - - 9 N.m (80 lb in) Heater Inlet Pipe Replacement 
GM6385422Courtesy of GENERAL MOTORS COMPANY
NOTE: Callout items in the following chart represent components shown in graphic above.
Heater Outlet Pipe

Callout Component Name Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Heater Outlet Pipe Bolt [2x] - - 9 N.m (80 lb in) Heater Outlet Pipe Replacement 
GM6385447Courtesy of GENERAL MOTORS COMPANY
NOTE: Callout items in the following chart represent components shown in graphic above.
Radiator Air Front Lower Baffle

Callout Component Name Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Radiator Air Front Lower Baffle Bolt [5x] - - 2.5 N.m (22 lb in) Radiator Air Front Lower Baffle Replacement 
GM6550723Courtesy of GENERAL MOTORS COMPANY
NOTE: Callout items in the following chart represent components shown in graphic above.
Radiator Air Front Upper Baffle

Callout Component Name Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Radiator Air Front Upper Baffle Bolt [9x] - - 2.5 N.m (22 lb in) Radiator Air Front Upper Baffle Replacement 
GM6385400Courtesy of GENERAL MOTORS COMPANY
NOTE: Callout items in the following chart represent components shown in graphic above.
Radiator Outlet Hose

Callout Component Name Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Engine Coolant Fan Bolt - - 9 N.m (80 lb in) Radiator Outlet Hose Replacement 
GM6382664Courtesy of GENERAL MOTORS COMPANY
NOTE: Callout items in the following chart represent components shown in graphic above.
Radiator Surge Tank

Callout Component Name Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Radiator Surge Tank Bolt - - 9 N.m (80 lb in) Radiator Surge Tank Replacement 
GM6427993Courtesy of GENERAL MOTORS COMPANY
NOTE: Callout items in the following chart represent components shown in graphic above.
Radiator Surge Tank Outlet Pipe

Callout Component Name Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Radiator Surge Tank Outlet Pipe Nut - - 22 N.m (16 lb ft) Radiator Surge Tank Outlet Pipe Replacement 
GM6385427Courtesy of GENERAL MOTORS COMPANY
NOTE: Callout items in the following chart represent components shown in graphic above.
Radiator Upper Bracket

Callout Component Name Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Radiator Upper Bracket Bolt [4x] - - 22 N.m (194 lb in) Radiator Upper Bracket Replacement 
GM6427990Courtesy of GENERAL MOTORS COMPANY
NOTE: Callout items in the following chart represent components shown in graphic above.
Turbocharger Coolant Feed and Return Pipe @ Compressor Air Intake Turbocharger

Callout Component Name [Component Quantity] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Turbocharger Coolant Feed and Return Pipe Bolt - - 8.5 N.m (75 lb in) Turbocharger Coolant Feed and Return Pipe Replacement (FWD) , or Turbocharger Coolant Feed and Return Pipe Replacement (F48) 
2 Turbocharger Coolant Feed and Return Pipe Gasket @ Compressor Air Intake Turbocharger Yes - - Turbocharger Coolant Feed and Return Pipe Replacement (FWD) , or Turbocharger Coolant Feed and Return Pipe Replacement (F48) 
GM6427989Courtesy of GENERAL MOTORS COMPANY
NOTE: Callout items in the following chart represent components shown in graphic above.
Turbocharger Coolant Feed and Return Pipe @ Cylinder Head

Callout Component Name [Component Quantity] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Turbocharger Coolant Feed and Return Pipe Bolt - - 8.5 N.m (75 lb in) Turbocharger Coolant Feed and Return Pipe Replacement (FWD) , or Turbocharger Coolant Feed and Return Pipe Replacement (F48) 
2 Turbocharger Coolant Feed and Return Pipe Gasket @ Cylinder Head Yes - - Turbocharger Coolant Feed and Return Pipe Replacement (FWD) , or Turbocharger Coolant Feed and Return Pipe Replacement (F48) 
GM6427991Courtesy of GENERAL MOTORS COMPANY
NOTE: Callout items in the following chart represent components shown in graphic above.
Turbocharger Coolant Feed and Return Pipe @ Engine Block

Callout Component Name [Component Quantity] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Turbocharger Coolant Feed and Return Pipe Bolt - - 8.5 N.m (75 lb in) Turbocharger Coolant Feed and Return Pipe Replacement (FWD) , or Turbocharger Coolant Feed and Return Pipe Replacement (F48) 
2 Turbocharger Coolant Feed and Return Pipe Gasket @ Engine Block Yes - - Turbocharger Coolant Feed and Return Pipe Replacement (FWD) , or Turbocharger Coolant Feed and Return Pipe Replacement (F48) 
GM6427997Courtesy of GENERAL MOTORS COMPANY
NOTE: Callout items in the following chart represent components shown in graphic above.
Water Pump Module

Callout Component Name [Component Quantity] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Water Pump Bolt - - 36 N.m (27 lb ft) Water Pump Module Replacement 
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.