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Home › GMC › 2021 › Acadia AT4 › Repair and Diagnosis › Engine Mechanical › Engine Mechanical - 3.6L (LGX) › Specifications › Fastener Specifications

Fastener Specifications

Single Use Non-Threaded Fasteners/Components

NOTE:

All fasteners/components listed in this table MUST BE DISCARDED and replaced with NEW after removal. 
Application
Camshaft Cover Seal
Connecting Rod Bearing
Crankshaft Lower Bearing
Crankshaft Thrust Upper Bearing
Crankshaft Upper Bearing
Crankshaft Rear Oil Seal Housing
Cylinder Head Gasket
Engine Coolant Thermostat Gasket
Engine Oil Cooler Adapter Seal [2x]
Engine Oil Cooler Fitting
Engine Oil Level Indicator Switch O-Ring Seal
Engine Oil Manifold Check Valve
Fuel Feed Intermediate Pipe
Fuel Injector Nozzle Housing Seal
Fuel Injector Retainer
Fuel Injector Spacer
Fuel Pump Bracket Gasket
Fuel Pump O-Ring
Heater Inlet and Outlet Pipe Gasket
Intake Manifold Seal
Oil Level Indicator Tube Seal
Oil Pan High Pressure Port Seal
Oil Pump Housing Passage Seal
Oil Pump Suction Pipe Gasket
Positive Crankcase Ventilation Oil Separator Seal
Piston Pin Retainer
Spark Plug Shield Seal
Throttle Body Gasket
Timing Chain Tensioner Gasket
Vacuum Pump Seal
Valve Stem Oil Seal
Water Inlet Seal
Water Outlet Seal
Water Pump Gasket
Single Use Threaded Fastener/Component Tightening Specifications

NOTE:

All fasteners/components listed in this table MUST BE DISCARDED and replaced with NEW after removal. 
Application Specification
Metric (English)
Automatic Transmission Flex Plate Bolt
  • First Pass:
 30 N.m (22 lb ft)
  • Final Pass:
 45 degrees
Connecting Rod Bolt
  • First Pass:
 25 N.m (18 lb ft)
  • Final Pass:
 110 degrees
Crankshaft Balancer Bolt
  • First Pass:
 100 N.m (74 lb ft)
  • Final Pass:
 150 degrees
Crankshaft Bearing Cap Bolt - Inner
  • First Pass:
 20 N.m (15 lb ft)
  • Final Pass:
 80 degrees
Crankshaft Bearing Cap Bolt - Outer
  • First Pass:
 15 N.m (11 lb ft)
  • Final Pass:
 110 degrees
Crankshaft Bearing Cap Bolt - Side
  • First Pass:
 30 N.m (22 lb ft)
  • Final Pass:
 60 degrees
Cylinder Head Bolt M8 x 80.8
  • First Pass:
 15 N.m (11 lb ft)
  • Final Pass:
 75 degrees
Cylinder Head Bolt M11 x 178
  • First Pass:
 60 N.m (44 lb ft)
  • Final Pass:
 185 degrees
Engine Flywheel Bolt 67 N.m (49 lb ft)
Engine Mount Bracket Bolt- Lower
  • First Pass:
 100 N.m (74 lb ft)
  • Final Pass:
 60 to 75 degrees
Engine Mount Bracket Bolt- Upper
  • First Pass:
 30 N.m (22 lb ft)
  • Final Pass:
 60 to 75 degrees
Fuel Pump Bolt 15 N.m (11 lb ft)
Oil Filter
  • 3/4 to 1 full turn after gasket makes contact with the sealing surface on the filter mounting flange
Oil Pan Bolt M6
  • First Pass:
 7 N.m (62 lb in)
  • Final Pass:
 180 degrees
Oil Pump Drive Bolt
  • First Pass:
 15 N.m (11 lb ft)
  • Final Pass:
 110 degrees
Wiring Harness Connector Bolt 10 N.m (89 lb in)
Reusable Threaded Fastener Tightening Specifications

NOTE:

All fasteners listed in this table can be reused after removal. 
Application Specification
Metric (English)
Belt Idler Pulley Bolt 10 N.m (89 lb in)
Camshaft Bearing Cap Bolt M6 x 43.4
  • First Pass:
 6 N.m (53 lb in)
  • Final Pass:
 45 degrees
Camshaft Bearing Cap Bolt M6 x 43.4
  • Final Pass:
 60 degrees
  • First Pass:
 6 N.m (53 lb in)
Camshaft Carrier Bolt M6 x 60
  • First Pass:
 6 N.m (53 lb in)
  • Final Pass:
 45 degrees
Camshaft Carrier Bolt M6 x 60
  • First Pass:
 6 N.m (53 lb in)
Camshaft Cover Bolt 10 N.m (89 lb in)
Camshaft Position Actuator Bolt
  • First Pass:
 20 N.m (15 lb ft)
  • Final Pass:
 45 degrees
Camshaft Position Actuator Solenoid Valve Bolt 10 N.m (89 lb in)
Camshaft Position Sensor Bolt 10 N.m (89 lb in)
Clutch Pressure Plate Bolt 30 N.m (22 lb ft)
Coolant Drain Plug 50 N.m (37 lb ft)
Coolant Drain Plug 75 N.m (55 lb ft)
Crankshaft Oil Deflector Nut 10 N.m (89 lb in)
Crankshaft Position Sensor Bolt 10 N.m (89 lb in)
Crankshaft Rear Oil Seal Housing Bolt 10 N.m (89 lb in)
Cylinder Head Core Hole Plug M9 15 N.m (11 lb ft)
Cylinder Head Core Hole Plug M12 25 N.m (18 lb ft)
Cylinder Head Core Hole Plug M14 35 N.m (26 lb ft)
Drive Belt Tensioner Bolt 30 N.m (22 lb ft)
Engine Block Oil Gallery Plug 25 N.m (18 lb ft)
Engine Block Oil Gallery Plug M16 40 N.m (30 lb ft)
Engine Block Core Hole Plug M18 45 N.m (33 lb ft)
Engine Coolant Air Bleed Pipe Bolt 10 N.m (89 lb in)
Engine Coolant Outlet Pipe Bolt 10 N.m (89 lb in)
Engine Coolant Temperature Sensor 9 N.m (80 lb in)
Engine Coolant Thermostat Housing Bolt 10 N.m (89 lb in)
Engine Front Cover Bolt M6 x 45 10 N.m (89 lb in)
Engine Front Cover Bolt M6 x 60 10 N.m (89 lb in)
Engine Front Cover Bolt M8 x 66 15 N.m (11 lb ft)
Engine Front Cover Bolt M12 x 55.8 60 N.m (44 lb ft)
Engine Front Cover Bolt M12 x 75.9 60 N.m (44 lb ft)
Engine Front Cover Stud 15 N.m (11 lb ft)
Engine Oil Cooler Adapter Bolt 10 N.m (89 lb in)
Engine Mount Brace Bolt 22 N.m (16 lb ft)
Engine Mount @ Body Bolt 58 N.m (43 lb ft)
Engine Oil Cooler Adapter Fitting 25 N.m (18 lb ft)
Engine Oil Cooler Pipe Bracket Bolt 10 N.m (89 lb in)
Engine Oil Level Indicator Switch Bolt 10 N.m (89 lb in)
Engine Oil Pressure Sensor 35 N.m (26 lb ft)
Evaporative Emission Canister Purge Solenoid Valve Bolt 10 N.m (89 lb in)
Engine Wiring Harness Bracket Bolt 15 N.m (11 lb ft)
Fuel Feed Intermediate Pipe Bolt 28 N.m (21 lb ft)
Fuel Feed Pipe Bolt 10 N.m (89 lb in)
Fuel Injection Fuel Rail Bolt 25 N.m (18 lb ft)
Fuel Injection Fuel Rail Fuel Pressure Sensor 33 N.m (24 lb ft)
Fuel Pipe Shield Bolt 10 N.m (89 lb in)
Fuel Rail Crossover Pipe Fitting 30 N.m (22 lb ft)
Heater Inlet and Outlet Pipe Bolt 9 N.m (80 lb in)
Ignition Coil Bolt 10 N.m (89 lb in)
Intake Manifold Bolt-Small 10 N.m (89 lb in)
Intake Manifold Bolt-Large 25 N.m (18 lb ft)
Intake Manifold Insulator Retainer 10 N.m (89 lb in)
Knock Sensor Bolt 25 N.m (18 lb ft)
Manifold Absolute Pressure Sensor Bolt 4 N.m (35 lb in)
Oil Gallery Plug M20 15 N.m (11 lb ft)
Oil Level Indicator Tube Bolt 10 N.m (89 lb in)
Oil Pan Baffle Bolt 10 N.m (89 lb in)
Lower Oil Pan Bolt 10 N.m (89 lb in)
Oil Pan Bolt M8 x 20 25 N.m (18 lb ft)
Oil Pan Bolt M8 x 36 25 N.m (18 lb ft)
Oil Pan Bolt M8 x 66 25 N.m (18 lb ft)
Oil Pan Drain Plug 25 N.m (18 lb ft)
Oil Pump Bolt 15 N.m (11 lb ft)
Oil Pump Suction Pipe Bolt 10 N.m (89 lb in)
Oil Pump Flow Control Valve Bolt 5 N.m (44 lb in)
Positive Crankcase Ventilation Oil Separator Drain Bolt 10 N.m (89 lb in)
Positive Crankcase Ventilation Oil Separator Bolt 15 N.m (11 lb ft)
Positive Crankcase Ventilation Oil Separator Drain Pipe Bolt 10 N.m (89 lb in)
Piston Oil Cooling Nozzle Bolt 10 N.m (89 lb in)
Spark Plug 18 N.m (13 lb ft)
Timing Chain Guide Bolt 25 N.m (18 lb ft)
Timing Chain Tensioner Bolt 25 N.m (18 lb ft)
Throttle Body Bolt 10 N.m (89 lb in)
Vacuum Pump Pipe Bolt 10 N.m (89 lb in)
Water Outlet Bolt 10 N.m (89 lb in)
Water Pump Bolt 15 N.m (11 lb ft)
Water Pump Inlet Pipe Bolt 15 N.m (11 lb ft)
Water Pump Pulley Bolt 10 N.m (89 lb in)
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