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Fastener Specifications

WARNING: This page is about a different car, the 2021 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
GM5453453Courtesy of GENERAL MOTORS COMPANY
Electric Water Pump

Callout Component Name Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Water Pump Bolt [3x] - - 36 N.m (27 lb ft) Electric Engine Coolant Pump Replacement (LSY) , or Electric Engine Coolant Pump Replacement (L3B)
2 Water Pump Inlet Pipe Bolt [2x] - - 8.5 N.m (75 lb in) Auxiliary Water Pump Inlet Pipe Replacement (LSY)
GM5515743Courtesy of GENERAL MOTORS COMPANY
Engine Auxiliary Radiator Assembly (L3B, LSY)

Callout Component Name Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Charge Air Cooler Bracket Bolt [2x] - - 9 N.m (80 lb in) Engine Auxiliary Radiator Replacement - Left Side (L3B)
Engine Auxiliary Radiator Replacement - Right Side (LSY with V03) , or Engine Auxiliary Radiator Replacement - Right Side (L3B)
2 Charge Air Cooler Upper Bracket Nut [2x] - - 5.5 N.m (49 lb in) Engine Auxiliary Radiator Replacement - Left Side (L3B)
Engine Auxiliary Radiator Replacement - Right Side (LSY with V03) , or Engine Auxiliary Radiator Replacement - Right Side (L3B)
GM5512211Courtesy of GENERAL MOTORS COMPANY
Engine Auxiliary Radiator - Left (L3B)

Callout Component Name Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Charge Air Cooler Upper Bracket Nut - - 22 N.m (16 lb ft) Engine Auxiliary Radiator Replacement - Left Side (L3B)
2 Charge Air Cooler Bracket Bolt [3x] - - 22 N.m (16 lb ft) Engine Auxiliary Radiator Replacement - Left Side (L3B)
GM5471812Courtesy of GENERAL MOTORS COMPANY
Engine Auxiliary Radiator - Right (LSY with V03 or L3B)

Callout Component Name Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Charge Air Cooler Bracket Bolt [3x] - - 22 N.m (16 lb ft) Engine Auxiliary Radiator Replacement - Right Side (LSY with V03) , or Engine Auxiliary Radiator Replacement - Right Side (L3B)
2 Charge Air Cooler Upper Bracket Nut - - 22 N.m (16 lb ft) Engine Auxiliary Radiator Replacement - Right Side (LSY with V03) , or Engine Auxiliary Radiator Replacement - Right Side (L3B)
GM5552432Courtesy of GENERAL MOTORS COMPANY
Engine Coolant Air Bleed Pipe

Callout Component Name Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Engine Coolant Air Bleed Pipe Bolt [2x] - - 9 N.m (80 lb in) Engine Coolant Air Bleed Pipe Replacement (LSY Engine Block to Engine Coolant Flow Control Valve) , or Engine Coolant Air Bleed Pipe Replacement (LSY Auxiliary Water Pump Inlet Pipe to Engine Coolant Air Bleed Hose)
GM5453522Courtesy of GENERAL MOTORS COMPANY
Engine Coolant Air Bleed Pipe (Engine Block)

Callout Component Name Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Engine Coolant Air Bleed Pipe Bolt [3x] - - 8.5 N.m (75 lb in) Engine Coolant Air Bleed Pipe Replacement (LSY Engine Block to Engine Coolant Flow Control Valve) , or Engine Coolant Air Bleed Pipe Replacement (LSY Auxiliary Water Pump Inlet Pipe to Engine Coolant Air Bleed Hose)
2 Engine Coolant Manifold Gasket Yes - - Engine Coolant Air Bleed Pipe Replacement (LSY Engine Block to Engine Coolant Flow Control Valve) , or Engine Coolant Air Bleed Pipe Replacement (LSY Auxiliary Water Pump Inlet Pipe to Engine Coolant Air Bleed Hose)
GM5454090Courtesy of GENERAL MOTORS COMPANY
Engine Coolant Flow Control Valve (LSY)

Callout Component Name Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Engine Coolant Flow Control Valve Bolt [4x] - - 8.5 N.m (75 lb in) Engine Coolant Flow Control Valve Replacement (LSY)
2 Water Outlet Seal Yes - - Engine Coolant Flow Control Valve Replacement (LSY)
GM5657400Courtesy of GENERAL MOTORS COMPANY
Engine Coolant Flow Control Valve - Engine Oil Cooler (L3B)

Callout Component Name Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Engine Coolant Flow Control Valve Bolt [5x] - - 8.5 N.m (75 lb in) Engine Coolant Flow Control Valve Replacement (L3B)
2 Engine Coolant Flow Control Valve Seal Yes - - Engine Coolant Flow Control Valve Replacement (L3B)
3 Engine Oil Cooler Bolt [4x] - - 8.5 N.m (75 lb in) Engine Oil Cooler Replacement (L3B)
4 Engine Oil Cooler Seal [2x] Yes - - Engine Oil Cooler Replacement (L3B)
GM5571415Courtesy of GENERAL MOTORS COMPANY
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 (LSY) , or Engine Coolant Heater Replacement (L3B)
GM5453494Courtesy of GENERAL MOTORS COMPANY
Engine Coolant Heater Exhaust Pipe

Callout Component Name Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Engine Coolant Heater Exhaust Pipe Bolt [3x] - - 8.5 N.m (75 lb in) Engine Coolant Heater Exhaust Pipe Replacement
2 Engine Coolant Heater Exhaust Pipe Bracket Bolt - - 8.5 N.m (75 lb in) Engine Coolant Heater Exhaust Pipe Replacement
3 Engine Coolant Manifold Gasket Yes - - Engine Coolant Heater Exhaust Pipe Replacement
GM5453507Courtesy of GENERAL MOTORS COMPANY
Engine Coolant Thermostat Housing Inlet Pipe (LSY)

Callout Component Name Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Engine Coolant Thermostat Housing Bolt [3x] - - 8.5 N.m (75 lb in) Engine Coolant Thermostat Housing Inlet Pipe Replacement (LSY)
2 Water Inlet Gasket Yes - - Engine Coolant Thermostat Housing Inlet Pipe Replacement (LSY)
GM5918396Courtesy of GENERAL MOTORS COMPANY
Engine Coolant Thermostat Housing Inlet Pipe (L3B)

Callout Component Name Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Engine Coolant Thermostat Housing Bracket Bolt [3x] - - 8.5 N.m (75 lb in) Engine Coolant Thermostat Housing Inlet Pipe Replacement (L3B)
2 Water Pump Outlet Port Seal Yes - - Engine Coolant Thermostat Housing Inlet Pipe Replacement (L3B) , or Water Inlet Replacement
GM5493599Courtesy of GENERAL MOTORS COMPANY
Engine Cooler Fan

Callout Component Name Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Engine Coolant Fan Bolt - - 7 N.m (62 lb in) Engine Coolant Fan Replacement (LSY without V03) , or Engine Coolant Fan Replacement (LSY with V03) , or Engine Coolant Fan Replacement (L3B)
GM5454065Courtesy of GENERAL MOTORS COMPANY
Engine Oil Cooler

Callout Component Name Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Engine Oil Cooler Bolt [4x] - - 8.5 N.m (75 lb in) Engine Oil Cooler Replacement (LSY) , or Engine Oil Cooler Replacement (L3B)
2 Engine Oil Cooler Seal [2x] Yes - - Engine Oil Cooler Replacement (LSY) , or Engine Oil Cooler Replacement (L3B)
GM5524608Courtesy of GENERAL MOTORS COMPANY
Engine Wiring Harness Fuse Block Bracket

Callout Component Name Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Engine Wiring Harness Fuse Block Bracket Bolt - - 9 N.m (80 lb in) Electric Engine Coolant Pump Replacement (LSY) , or Electric Engine Coolant Pump Replacement (L3B)
GM5657624Courtesy of GENERAL MOTORS COMPANY
Exhaust Manifold Outlet Pipe (L3B)

Callout Component Name Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Exhaust Manifold Outlet Pipe Bolt [4x] - - 8.5 N.m (75 lb in) Exhaust Manifold Outlet Pipe Replacement
2 Exhaust Manifold Outlet Pipe Gasket Yes - - Exhaust Manifold Outlet Pipe Replacement
GM5918479Courtesy of GENERAL MOTORS COMPANY
Heater Outlet Pipe (L3B)

Callout Component Name Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Heater Outlet Pipe Bolt [2x] - - 8.5 N.m (75 lb in) Heater Outlet Pipe Replacement
GM5457708Courtesy of GENERAL MOTORS COMPANY
Radiator Surge Tank

Callout Component Name Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Radiator Surge Tank Nut - - 9 N.m (80 lb in) Radiator Surge Tank Replacement
GM5457702Courtesy of GENERAL MOTORS COMPANY
Radiator Upper Bracket

Callout Component Name Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Radiator Upper Bracket Bolt - Right Side [2x] - - 22 N.m (16 lb ft) Radiator Upper Bracket Replacement - Right Side
2 Radiator Upper Bracket Bolt - Left Side [2x] - - 22 N.m (16 lb ft) Radiator Upper Bracket Replacement - Left Side
GM5918464Courtesy of GENERAL MOTORS COMPANY
Thermostat Bypass Pipe (L3B)

Callout Component Name Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Thermostat Bypass Pipe Bolt - - 9 N.m (80 lb in) Thermostat Bypass Pipe Replacement (L3B RWD) , or Thermostat Bypass Pipe Replacement (L3B AWD)
GM5453473Courtesy of GENERAL MOTORS COMPANY
Turbocharger Coolant Feed and Return Pipe

Callout Component Name Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Turbocharger Coolant Feed and Return Pipe Bolt [4x] - - 8.5 N.m (75 lb in) Turbocharger Coolant Feed and Return Pipe Replacement (LSY) , or Turbocharger Coolant Feed and Return Pipe Replacement (L3B)
2 Turbocharger Coolant Feed and Return Pipe Gasket Yes - - Turbocharger Coolant Feed and Return Pipe Replacement (LSY) , or Turbocharger Coolant Feed and Return Pipe Replacement (L3B)
GM5918413Courtesy of GENERAL MOTORS COMPANY
Water Inlet

Callout Component Name Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Water Outlet Bolt [3x] - - 15 N.m (11 lb ft) Water Inlet Replacement
2 Water Pump Inlet Gasket Yes - - Water Inlet Replacement
GM5524612Courtesy of GENERAL MOTORS COMPANY
Water Pump Cover

Callout Component Name Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Water Pump Cover Bolt [3x] - - 8.5 N.m (75 lb in) Electric Engine Coolant Pump Replacement (LSY) , or Electric Engine Coolant Pump Replacement (L3B)
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