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Fastener Specifications

GM6417668Courtesy of GENERAL MOTORS COMPANY
NOTE: Callout items in the following chart represent components shown in graphic above.
Balancer Shaft Bearing Cap

Callout Component Name [Component Quantity] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Balancer Shaft Housing Bolt [2x] - - 36 N.m (27 lb ft) See bolt tightening seqence in Balancer Shaft with Oil Pump Replacement procedure
GM6439432Courtesy of GENERAL MOTORS COMPANY
NOTE: Callout items in the following chart represent components shown in graphic above.
Catalytic Converter Stud

Callout Component Name [Component Quantity] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Catalytic Converter Stud [4x] Yes - 22 N.m (16 lb ft) Compressor Air Intake Turbocharger Replacement (FWD) , or Compressor Air Intake Turbocharger Replacement (F48)
GM6463443Courtesy of GENERAL MOTORS COMPANY
NOTE: Callout items in the following chart represent components shown in graphic above.
Charge Air Cooler Bracket Bolts

Callout Component Name [Component Quantity] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Charge Air Cooler Bracket Bolt [4x] - - 15 N.m (11 lb ft) Camshaft Module Replacement
GM6385774Courtesy of GENERAL MOTORS COMPANY
NOTE: Callout items in the following chart represent components shown in graphic above.
Covers and Components

Callout Component Name [Component Quantity] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Timing Belt Upper Cover Bolt - M5 [10x] - - Timing Chain Upper Cover Bolt Sequence  Timing Chain Upper Cover Replacement
2 Timing Belt Upper Cover Bolt - M6 - - Timing Chain Upper Cover Bolt Sequence  Timing Chain Upper Cover Replacement
3 Timing Belt Front Upper Cover Seal Yes - - Timing Chain Upper Cover Replacement
4 Positive Crankcase Ventilation Valve Yes - - Positive Crankcase Ventilation Valve Replacement
5 Crankshaft Rear Oil Seal Housing Yes - - Crankshaft Rear Oil Seal Housing Replacement (F48) , or Crankshaft Rear Oil Seal Housing Replacement (FWD)
6 Automatic Transmission Flex Plate Bolt [8x] Yes Yes Automatic Transmission Flex Plate Bolt Sequence  Automatic Transmission Flex Plate Replacement (F48) , or Automatic Transmission Flex Plate Replacement (FWD)
7 Crankshaft Rear Oil Seal Housing Bolt [12x] - - Crankshaft Rear Oil Seal Housing Bolt Sequence  Crankshaft Rear Oil Seal Housing Replacement (F48) , or Crankshaft Rear Oil Seal Housing Replacement (FWD)
8 Engine Block Coolant Hole Plug - Yes 64 N.m (47 lb ft) Engine Block Overhaul (FWD) , or Engine Block Overhaul (F48)
9 Oil Pan Yes - - Oil Pan Replacement
10 Oil Pan Drain Plug - - 25 N.m (18 lb ft) Engine Oil and Oil Filter Replacement
11 Oil Pan Bolt [17x] - - Lower Oil Pan Bolt Sequence  Oil Pan Replacement
12 Engine Front Cover Bolt [13x] - - Engine Front Cover Bolt Sequence  Engine Front Cover Replacement
13 Engine Front Cover Yes - - Engine Front Cover Replacement
GM6385762Courtesy of GENERAL MOTORS COMPANY
NOTE: Callout items in the following chart represent components shown in graphic above.
Cylinder Head and Components

Callout Component Name [Component Quantity] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Cylinder Head Core Hole Plug [2x] - Yes 35 N.m (26 lb ft) Cylinder Head Overhaul (FWD) , or Cylinder Head Overhaul (F48)
2 Cylinder Head Bolt - M6 [3x] Yes Yes Cylinder Head Bolt Sequence  Cylinder Head Replacement (FWD) , or Cylinder Head Replacement (F48)
3 Cylinder Head Core Hole Plug [10x] - Yes 25 N.m (18 lb ft) Cylinder Head Overhaul (FWD) , or Cylinder Head Overhaul (F48)
4 Cylinder Head Bolt - M6 [3x] Yes - Cylinder Head Bolt Sequence  Cylinder Head Replacement (FWD) , or Cylinder Head Replacement (F48)
5 Cylinder Head Bolt - M12 [10x] - - Cylinder Head Bolt Sequence  Cylinder Head Replacement (FWD) , or Cylinder Head Replacement (F48)
6 Cylinder Head Bolt - M8 [2x] - - Cylinder Head Bolt Sequence  Cylinder Head Replacement (FWD) , or Cylinder Head Replacement (F48)
7 Positive Crankcase Ventilation Oil Separator Cover Bolt [7x] - - Positive Crankcase Ventilation Oil Separator Cover Bolt Sequence  Positive Crankcase Ventilation Oil Separator Replacement
8 Positive Crankcase Ventilation Oil Separator Gasket Yes - - Positive Crankcase Ventilation Oil Separator Replacement
9 Valve Stem Oil Seal [8x] Yes - - Cylinder Head Overhaul (FWD) , or Cylinder Head Overhaul (F48)
10 Cylinder Head Gasket Yes - - Cylinder Head Replacement (FWD) , or Cylinder Head Replacement (F48)
11 Cylinder Head Core Hole Plug [2x] - Yes 35 N.m (26 lb ft) Cylinder Head Overhaul (FWD) , or Cylinder Head Overhaul (F48)
GM6536391Courtesy of GENERAL MOTORS COMPANY
NOTE: Callout items in the following chart represent components shown in graphic above.
Catalytic Converter Stud

Callout Component Name [Component Quantity] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Drive Belt Tensioner Bolt - - 22 N.m (16 lb ft) Drive Belt Tensioner Replacement
GM6385775Courtesy of GENERAL MOTORS COMPANY
NOTE: Callout items in the following chart represent components shown in graphic above.
Engine Accessories and Components

Callout Component Name [Component Quantity] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Oil Level Indicator Tube Bracket Bolt - - 8.5 N.m (75 lb in) Oil Level Indicator and Tube Replacement
2 Oil Level Indicator Tube Seal Yes - - Oil Level Indicator and Tube Replacement
3 Crankshaft Balancer Bolt Yes - First Pass: 150 N.m (111 lb ft)
Final Pass: 140 degrees		 Crankshaft Balancer Replacement
GM6385758Courtesy of GENERAL MOTORS COMPANY
NOTE: Callout items in the following chart represent components shown in graphic above.
Engine Block and Components

Callout Component Name [Component Quantity] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Connecting Rod Bolt [8x] Yes - First Pass: 25 N.m (18 lb ft)
Final Pass: 110 degrees		 Piston and Connecting Rod Removal and Installation (F48) , or Piston and Connecting Rod Removal and Installation (FWD)
2 Piston Pin Retainer [4x] Yes - - Piston and Connecting Rod Overhaul (F48) , or Piston and Connecting Rod Overhaul (FWD)
3 Crankshaft Bearing Cap Bolt [10x] Yes - Crankshaft Bearing Cap Bolt Sequence  Crankshaft and Bearing Removal and Installation (F48) , or Crankshaft and Bearing Removal and Installation (FWD)
4 Piston Oil Nozzle Bolt [4x] - - 25 N.m (18 lb ft) Piston Oil Nozzle Replacement (FWD) , or Piston Oil Nozzle Replacement (F48)
5 Balancer Chain Guide Bolt [2x] - - 15 N.m (11 lb ft) Balancer Chain Guide Replacement
GM6593408Courtesy of GENERAL MOTORS COMPANY
Engine Mount and Bracket Replacement

Callout Component Name [Component Quantity] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Engine Block Oil Pressure Crossover Hole Plug - Yes 25 N.m (18 lb ft) Engine Block Overhaul (FWD) , or Engine Block Overhaul (F48)
2 Engine Block Oil Pressure Crossover Hole Plug - Yes 55 N.m (40 lb ft) Engine Block Overhaul (FWD) , or Engine Block Overhaul (F48)
GM6385754Courtesy of GENERAL MOTORS COMPANY
NOTE: Callout items in the following chart represent components shown in graphic above.
Engine Mount and Bracket Replacement

Callout Component Name [Component Quantity] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Engine Mount Bolt [2x] - - 58 N.m (43 lb ft) Engine Mount Replacement
2 Engine Mount Brace Bolt [2x] - Yes 22 N.m (16 lb ft) Engine Mount Replacement
3 Engine Mount Engine Side Bolt [3x] - - 100 N.m (74 lb ft) Engine Mount Replacement
4 Engine Mount Bracket Bolt [4x] - - 58 N.m (43 lb ft) Engine Mount Engine Side Bracket Replacement
GM6622798Courtesy of GENERAL MOTORS COMPANY
NOTE: Callout items in the following chart represent components shown in graphic above.
Engine Wiring Harness Bracket

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 Replacement (F48) , or Engine Replacement (FWD)
GM6419225Courtesy of GENERAL MOTORS COMPANY
NOTE: Callout items in the following chart represent components shown in graphic above.
Engine Wiring Harness Bracket and Components

Callout Component Name [Component Quantity] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Engine Wiring Harness Bracket Nut [2x] - - 9 N.m (80 lb in) Camshaft Module Replacement
2 Turbocharger Coolant Return Pipe Nut - - 9 N.m (80 lb in) Camshaft Module Replacement
GM6622799Courtesy of GENERAL MOTORS COMPANY
NOTE: Callout items in the following chart represent components shown in graphic above.
Engine Wiring Harness Bracket and Exhaust Front Bracket

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 Replacement (F48) , or Engine Replacement (FWD)
2 Catalytic Converter Brace Bracket Bolt [2x] - - 22 N.m (16 lb ft) Turbocharger Oil Feed Pipe Replacement (F48) , or Turbocharger Oil Feed Pipe Replacement (FWD)
GM6444191Courtesy of GENERAL MOTORS COMPANY
NOTE: Callout items in the following chart represent components shown in graphic above.
Engine Wiring Harness Ground and Components

Callout Component Name [Component Quantity] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Engine Wiring Harness Bracket Nut - - 9 N.m (80 lb in) Cylinder Head Replacement (FWD) , or Cylinder Head Replacement (F48)
2 Engine Wiring Harness Ground Bolt - - 9 N.m (80 lb in) Cylinder Head Replacement (FWD) , or Cylinder Head Replacement (F48)
GM6426200Courtesy of GENERAL MOTORS COMPANY
NOTE: Callout items in the following chart represent components shown in graphic above.
Engine Wiring Harness Ground Nuts

Callout Component Name [Component Quantity] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Body Wiring Harness Ground Nut [3x] - - 9 N.m (80 lb in) Engine Removal and Installation (F48) , or Engine Removal and Installation (FWD)
2 Body Ground Stud Nut [3x] - - 22 N.m (16 lb ft) Engine Removal and Installation (F48) , or Engine Removal and Installation (FWD)
GM6385752Courtesy of GENERAL MOTORS COMPANY
NOTE: Callout items in the following chart represent components shown in graphic above.
Intake Manifold and Components

Callout Component Name [Component Quantity] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Intake Manifold Gasket Yes - - Intake Manifold Replacement
2 Intake Manifold Cover Bolt [2x] - - 8.5 N.m (75 lb in) Intake Manifold Replacement
3 Intake Manifold Bolt [5x] - - Intake Manifold Bolt Sequence  Intake Manifold Replacement
GM6388240Courtesy of GENERAL MOTORS COMPANY
NOTE: Callout items in the following chart represent components shown in graphic above.
Lower Crankcase Extension and Components

Callout Component Name [Component Quantity] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Balancer Shaft Sprocket Bolt Yes - First Pass: 40 N.m (30 lb ft)
Final Pass: 50 degrees		 Balancer Shaft with Oil Pump Replacement
2 Oil Pump Gasket Yes - - Balancer Shaft with Oil Pump Replacement
3 Lower Crankcase Extension Oil Gallery Plug - - 65 N.m (48 lb ft) Lower Crankcase Extension Overhaul (FWD) , or Lower Crankcase Extension Overhaul (F48)
4 Lower Crankcase Seal [2x] Yes - - Lower Crankcase Extension Replacement (F48) , or Lower Crankcase Extension Replacement (FWD)
5 Wiring Harness Connector Seal Yes - - Oil Pump Flow Control Solenoid Valve Harness Replacement
6 Oil Pump Flow Control Solenoid Valve Wire Bolt - - 8.5 N.m (75 lb in) Oil Pump Flow Control Solenoid Valve Harness Replacement
7 Lower Crankcase Seal Yes - - Lower Crankcase Extension Replacement (F48) , or Lower Crankcase Extension Replacement (FWD)
8 Lower Crankcase Seal Yes - - Lower Crankcase Extension Replacement (F48) , or Lower Crankcase Extension Replacement (FWD)
9 Lower Crankcase Extension Oil Gallery Plug - Yes 55 N.m (41 lb ft) Lower Crankcase Extension Overhaul (FWD) , or Lower Crankcase Extension Overhaul (F48)
10 Oil Filter Adapter Gasket Yes - - Lower Crankcase Extension Replacement (F48) , or Lower Crankcase Extension Replacement (FWD)
11 Lower Crankcase Extension Bolt - M8 x 1.25 x 67.9 [3x] - - Lower Crankcase Extension Bolt Sequence  Lower Crankcase Extension Replacement (F48) , or Lower Crankcase Extension Replacement (FWD)
12 Lower Crankcase Extension Bolt - M8 x 1.25 x 35.7 [7x] - - Lower Crankcase Extension Bolt Sequence  Lower Crankcase Extension Replacement (F48) , or Lower Crankcase Extension Replacement (FWD)
13 Oil Filter Bypass Valve - - 55 N.m (41 lb ft) Oil Filter Bypass Valve Replacement
14 Oil Filter Yes - 3/4 to 1 full turn after gasket makes contact with the sealing surface on the filter mounting flange Engine Oil and Oil Filter Replacement
15 Lower Crankcase Extension Bolt - M8 x 1.25 x 40.7 - - Lower Crankcase Extension Bolt Sequence  Lower Crankcase Extension Replacement (F48) , or Lower Crankcase Extension Replacement (FWD)
16 Lower Crankcase Extension Bolt - M8 x 1.25 x 52.9 [3x] - - Lower Crankcase Extension Bolt Sequence  Lower Crankcase Extension Replacement (F48) , or Lower Crankcase Extension Replacement (FWD)
17 Balancer Chain Tensioner Bolt [2x] - - 15 N.m (11 lb ft) Balancer Chain Tensioner Replacement
18 Oil Pump Suction Pipe Bolt - - 8.5 N.m (75 lb in) Oil Pump Suction Pipe Replacement
19 Oil Pump Suction Pipe Gasket Yes - - Oil Pump Suction Pipe Replacement
20 Balancer Shaft Housing Bolt - M10x1.5 [4x] - - Balancer Shaft Housing Bolt Sequence  See bolt tightening seqence in Balancer Shaft with Oil Pump Replacement procedure Lower Crankcase Extension Replacement (F48) , or Lower Crankcase Extension Replacement (FWD)
21 Balancer Shaft Housing Bolt - M8 x 1.25 x 72.9 - - Balancer Shaft Housing Bolt Sequence  See bolt tightening seqence in Balancer Shaft with Oil Pump Replacement procedure Balancer Shaft with Oil Pump Replacement
22 Balancer Shaft Housing Bolt - M8 x 1.25 x 40.7 - - Balancer Shaft Housing Bolt Sequence  See bolt tightening seqence in Balancer Shaft with Oil Pump Replacement procedure Balancer Shaft with Oil Pump Replacement
GM6413610Courtesy of GENERAL MOTORS COMPANY
NOTE: Callout items in the following chart represent components shown in graphic above.
Oil Pump and Components

Callout Component Name [Component Quantity] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Oil Pump Bolt [4x] - - 15 N.m (11 lb ft)
Oil Pump Torque Sequence 		 Oil Pump Replacement
GM6385749Courtesy of GENERAL MOTORS COMPANY
NOTE: Callout items in the following chart represent components shown in graphic above.
Turbocharger Bolts and Turbocharger Nuts

Callout Component Name [Component Quantity] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Turbocharger Heat Shield Yes - - Compressor Air Intake Turbocharger Replacement (FWD) , or Compressor Air Intake Turbocharger Replacement (F48)
2 Turbocharger Heat Shield Bolt - - 8.5 N.m (75 lb in) Compressor Air Intake Turbocharger Replacement (FWD) , or Compressor Air Intake Turbocharger Replacement (F48)
3 Turbocharger Stud [4x] Yes - 8.5 N.m (75 lb in) Compressor Air Intake Turbocharger Replacement (FWD) , or Compressor Air Intake Turbocharger Replacement (F48)
4 Turbocharger Nut [4x] Yes - Compressor Air Turbocharger Bolt Sequence  Compressor Air Intake Turbocharger Replacement (FWD) , or Compressor Air Intake Turbocharger Replacement (F48)
5 Turbocharger Oil Feed Pipe Bolt [6x] - - 8.5 N.m (75 lb in) Turbocharger Oil Feed Pipe Replacement (F48) , or Turbocharger Oil Feed Pipe Replacement (FWD)
6 Turbocharger Oil Feed Pipe Gasket [2x] Yes - - Turbocharger Oil Feed Pipe Replacement (F48) , or Turbocharger Oil Feed Pipe Replacement (FWD)
7 Turbocharger Oil Feed Pipe Gasket Yes - - Turbocharger Oil Feed Pipe Replacement (F48) , or Turbocharger Oil Feed Pipe Replacement (FWD)
GM6664066Courtesy of GENERAL MOTORS COMPANY
NOTE: Callout items in the following chart represent components shown in graphic above.
Wiring Harness Bracket Bolt

Callout Component Name [Component Quantity] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Turbocharger Wastegate Actuator Heat Shield Bolt - - 9 N.m (80 lb in) Turbocharger Wastegate Actuator Heat Shield Replacement
GM6385750Courtesy of GENERAL MOTORS COMPANY
NOTE: Callout items in the following chart represent components shown in graphic above.
Valve Train and Components

Callout Component Name [Component Quantity] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Timing Chain Guide Bolt - Yes 36 N.m (27 lb ft) Timing Chain Guide Replacement - Pivot
2 Camshaft Position Actuator Exhaust Solenoid Valve Yes - 50 N.m (37 lb ft) Camshaft Position Exhaust Actuator Replacement
3 Camshaft Position Actuator Bolt Yes - First Pass: 30 N.m (22 lb ft)
Final Pass: 120 degrees		 Camshaft Timing Chain Replacement
4 Camshaft Cover Core Hole Plug [2x] - - 20 N.m (15 lb ft) Camshaft Module Replacement
5 Camshaft Cover Stud [19x] - Yes Camshaft Housing Bolt Sequence  Camshaft Module Replacement
6 Camshaft Cover Bolt [5x] - - Camshaft Housing Bolt Sequence  Camshaft Module Replacement
7 Camshaft Cover Gasket Yes - - Camshaft Module Replacement
8 Camshaft Bearing Cap Bolt [22x] - - Camshaft Bearing Cap Bolt Sequence  Camshaft Module Replacement
9 Timing Chain Guide Bolt [2x] - - 15 N.m (11 lb ft) Timing Chain Guide Replacement - Fixed
10 Timing Chain Tensioner Bolt [2x] - - 15 N.m (11 lb ft) Timing Chain Tensioner Replacement
11 Timing Chain Tensioner Gasket Yes - - Timing Chain Tensioner Replacement
GM6403448Courtesy of GENERAL MOTORS COMPANY
NOTE: Callout items in the following chart represent components shown in graphic above.
Wiring Harness Bracket Bolt

Callout Component Name [Component Quantity] Single Use Fastener/Component Thread Locking Adhesive Required Specification Procedure
Metric (English)
1 Wiring Harness Bracket Bolt - - 9 N.m (80 lb in) Timing Chain Upper Cover Replacement
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