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Dan
Dan, Auto Technician
Category: Chevy
Satisfied Customers: 3490
Experience:  GM Mark of Excellence/ Service Guild Participant with 13 years experience, ASE Master Certified
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Connecting rod bearing torque specs for a 99 350 vortec motor

Customer Question

what are the connecting rod bearing torque specs for a 99 350 vortec motor
Submitted: 6 years ago.
Category: Chevy
Expert:  Dan replied 6 years ago.

Fastener Tightening Specifications

Application

Specification

Metric

English

Accelerator Control Cable Bracket Bolt and Nut

12 N·m

106 lb in

Belt Idler Pulley Bolt

50 N·m

37 lb ft

Camshaft Retainer Bolt

12 N·m

106 lb in

Camshaft Sprocket Bolt

25 N·m

18 lb ft

Connecting Rod Nut

  • First Pass

27 N·m

20 lb ft

  • Final Pass

55 degrees

Crankshaft Balancer Bolt

95 N·m

70 lb ft

Crankshaft Bearing Cap Bolt and Stud (Preferred Method)

  • First Pass (Two Bolt Type Bearing Cap)

20 N·m

15 lb ft

  • Final Pass (Two Bolt Type Bearing Cap)

73 degrees

  • First Pass (Four Bolt Type Bearing Cap)

20 N·m

15 lb ft

  • Final Pass Outboard Bolt (Four Bolt Type Bearing Cap)

43 degrees

  • Final Pass Inboard Bolt and Stud (Four Bolt Type Bearing Cap)

73 degrees

Crankshaft Bearing Cap Bolt and Stud (Optional Strategy)

  • Two Bolt Type Bearing Cap

105 N·m

77 lb ft

  • Inboard Bolt and Stud (Four Bolt Type Bearing Cap)

105 N·m

77 lb ft

  • Outboard Bolt (Four Bolt Type Bearing Cap)

90 N·m

66 lb ft

Crankshaft Oil Deflector Nut

40 N·m

30 lb ft

Crankshaft Position Sensor Bolt

9 N·m

80 lb in

Crankshaft Pulley Bolt

58 N·m

43 lb ft

Crankshaft Rear Oil Seal Housing Nut and Bolt

12 N·m

106 lb in

Crankshaft Rear Oil Seal Housing Retainer Stud

6 N·m

53 lb in

Cylinder Head Bolt (Preferred Method)

  • All Bolts First Pass in Sequence

30 N·m

22 lb ft

  • Long Bolt Final Pass in Sequence

75 degrees

  • Medium Bolt Final Pass in Sequence

65 degrees

  • Short Bolt Final Pass in Sequence

55 degrees

Cylinder Head Bolt (Optional On-Vehicle Strategy)

  • First Pass in Sequence

35 N·m

26 lb ft

  • Second Pass in Sequence

60 N·m

44 lb ft

  • Final Pass in Sequence

90 N·m

66 lb ft

Cylinder Head Core Hole Plug

20 N·m

15 lb ft

Distributor Cap Bolt

2.4 N·m

21 lb in

Distributor Clamp Bolt

25 N·m

18 lb ft

Drive Belt Tensioner Bolt

50 N·m

37 lb ft

EGR Valve Bolt

  • First Pass

10 N·m

89 lb in

  • Final Pass

30 N·m

22 lb ft

EGR Valve Pipe Nut at Intake Manifold

25 N·m

18 lb ft

EGR Valve Pipe Nut at Exhaust Manifold

30 N·m

22 lb ft

EGR Valve Pipe Clamp Bracket Bolt

25 N·m

18 lb ft

Engine Block Coolant Drain Hole Plug

20 N·m

15 lb ft

Engine Block Oil Gallery Plug

20 N·m

15 lb ft

Engine Coolant Temperature (ECT) Sensor

20 N·m

15 lb ft

Engine Coolant Temperature (ECT) Gauge Sensor

20 N·m

15 lb ft

Engine Flywheel Bolt

100 N·m

74 lb ft

Engine Front Cover Bolt

12 N·m

106 lb in

Engine Lift Bracket Bolt (Special Tool J 41427)

15 N·m

11 lb ft

Engine Lift Front Bracket Stud

35 N·m

26 lb ft

Engine Mount Bolt (Through-bolt) to Engine Mount Bracket

95 N·m

70 lb ft

Engine Mount Bolt to Frame

59 N·m

43 lb ft

Engine Mount Bracket Bolt to Engine

51 N·m

38 lb ft

Engine Mount Nut (Through-bolt)

68 N·m

50 lb ft

Engine Mount Nut to Frame

45 N·m

33 lb ft

Engine Oil Pressure Gauge Sensor

30 N·m

22 lb ft

Engine Oil Pressure Gauge Sensor Fitting (Plus Required Angle)

15 N·m

11 lb ft

Engine Wiring Harness Bracket Nut

12 N·m

106 lb in

Evaporative Emission (EVAP) Canister Purge Solenoid Valve Stud

10 N·m

89 lb in

Exhaust Manifold Bolt

  • First Pass

15 N·m

11 lb ft

  • Final Pass

30 N·m

22 lb ft

Fan and Water Pump Pulley Bolt

25 N·m

18 lb ft

Fuel Meter Body Bracket Bolt

10 N·m

89 lb in

Fuel Pipe Bracket Bolt

6 N·m

53 lb in

Fuel Pipe Retainer Nut

3 N·m

27 lb in

Generator and Drive Belt Tensioner Bracket Bolt and Nut to Engine

41 N·m

30 lb ft

Generator and Drive Belt Tensioner Bracket Stud to Engine

20 N·m

15 lb ft

Ignition Coil Stud

12 N·m

106 lb in

Knock Sensor

20 N·m

15 lb ft

Lower Intake Manifold Bolt

  • First Pass in Sequence

3 N·m

27 lb in

  • Second Pass in Sequence

12 N·m

106 lb in

  • Final Pass in Sequence

15 N·m

11 lb ft

Oil Filter Adapter Bolt

25 N·m

18 lb ft

Oil Filter Fitting

35 N·m

26 lb ft

Oil Level Indicator Tube Bolt

12 N·m

106 lb in

Oil Pan Drain Plug

25 N·m

18 lb ft

Oil Pan Stud (Front)

6 N·m

53 lb in

Oil Pan Stud Nut

25 N·m

18 lb ft

Oil Pan Bolt or Stud Bolt

12 N·m

106 lb in

Oil Pump Bolt to Rear Crankshaft Bearing Cap

  • First Pass

20 N·m

15 lb ft

  • Final Pass

65 degrees

Oil Pump Cover Bolt

12 N·m

106 lb in

Power Steering Pump Bracket Bolt to Engine

41 N·m

30 lb ft

Power Steering Pump Bracket Stud to Engine

20 N·m

15 lb ft

Power Steering Pump Bracket Stud Nut

41 N·m

30 lb ft

Power Steering Pump Bolt

50 N·m

37 lb ft

Power Steering Pump Nut to Engine

41 N·m

30 lb ft

Power Steering Pump Rear Bracket Nut

50 N·m

37 lb ft

Spark Plug

  • Initial Installation (New Cylinder Head)

30 N·m

22 lb ft

  • All Subsequent Installations

15 N·m

11 lb ft

Spark Plug Wire Support Bolt

12 N·m

106 lb in

Square Socket Plug (Engine Block Oil Gallery)

20 N·m

15 lb ft

Throttle Body Stud

9 N·m

80 lb in

Transmission Cover Bolt

12 N·m

106 lb in

Upper Intake Manifold Stud

  • First Pass

5 N·m

44 lb in

  • Final Pass

10 N·m

89 lb in

Valve Lifter Guide Retainer Bolt

25 N·m

18 lb ft

Valve Rocker Arm Cover Bolt

12 N·m

106 lb in

Water Outlet Stud

25 N·m

18 lb ft

Water Pump Bolt

45 N·m

33 lb ft


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