• 204-002   About the Manual
  • 204-003   How to Use the Manual
  • 204-004   Symbols
  • 204-005   Illustrations
  • 204-006   General Safety Instructions
  • 204-007   General Repair Instructions
  • 204-008   General Cleaning Instructions
  • 204-009   Acronyms and Abbreviations
  • 100-001   Engine Identification
  • 100-002   Engine Diagrams
  • 100-003   Cummins® Service Engine Model Product Identification
  • 000-999   Complete Engine - Overview
  • 001-999   Cylinder Block - Overview
  • 002-999   Cylinder Head - Overview
  • 003-999   Rocker Levers - Overview
  • 004-999   Cam Followers/Tappets - Overview
  • 005-999   Fuel System - Overview
  • 200-001   Flow Diagram, Fuel System
  • 006-999   Injectors and Fuel Lines - Overview
  • 007-999   Lubricating Oil System - Overview
  • 200-002   Flow Diagram, Lubricating Oil System
  • 008-999   Cooling System - Overview
  • 200-003   Flow Diagram, Cooling System
  • 009-999   Drive Units - Overview
  • 010-999   Air Intake System - Overview
  • 200-004   Flow Diagram, Air Intake System
  • 011-999   Exhaust System - Overview
  • 200-005   Flow Diagram, Exhaust System
  • 012-999   Compressed Air System - Overview
  • 200-006   Flow Diagram, Compressed Air System
  • 013-999   Electrical Equipment - Overview
  • 014-999   Engine Testing - Overview
  • 016-999   Mounting Adaptations - Overview
  • 020-999   Vehicle Braking - Overview
  • t00-001   Troubleshooting Procedures and Techniques
  • t00-002   Troubleshooting Symptoms Charts
  • t00-004   Troubleshooting Overview
  • Air Compressor Air Pressure Rises Slowly
  • Air Compressor Cycles Frequently
  • Air Compressor Noise is Excessive
  • Air Compressor Pumping Excess Lubricating Oil into the Air System
  • Air Compressor Will Not Maintain Adequate Air Pressure (Not Pumping Continuously)
  • Air Compressor Will Not Pump Air
  • Air Compressor Will Not Stop Pumping
  • Alternator Not Charging or Insufficient Charging
  • Alternator Overcharging
  • Coolant Loss - External
  • Coolant Loss - Internal
  • Coolant Temperature Above Normal - Gradual Overheat
  • Coolant Temperature Above Normal - Sudden Overheat
  • Coolant Temperature Below Normal
  • Coolant in the Lubricating Oil
  • Crankcase Gases (Blowby) Excessive
  • Cranking Fuel Pressure is Low
  • Engine Acceleration or Response Poor
  • Engine Brake Does Not Operate (PT™)
  • Engine Brake Does Not Operate (CELECT™ or CELECT Plus™)
  • Engine Brake - Low Retarding Power or Slow to Activate (CELECT™ or CELECT Plus™)
  • Engine Brake - Low Retarding Power or Slow to Activate (PT™)
  • Engine Brake - One or More Cylinders Braking with Power Switch Off (CELECT™ or CELECT Plus™)
  • Engine Brake - One or More Cylinders Braking with Power Switch Off (PT™)
  • Engine Decelerates Slowly (CELECT™ or CELECT Plus™)
  • Engine Decelerates Slowly (PT)
  • Engine Difficult to Start or Will Not Start (Exhaust Smoke)
  • Engine Difficult to Start or Will Not Start (No Exhaust Smoke)
  • Engine Noise Excessive
  • Engine Noise Excessive - Combustion Knocks
  • Engine Noise Excessive - Connecting Rod
  • Engine Noise Excessive - Main Bearing
  • Engine Noise Excessive - Piston
  • Engine Noise Excessive - Turbocharger
  • Engine Power Output Low (CELECT™ or CELECT Plus™)
  • Engine Power Output Low (PT™)
  • Engine Runs Rough at Idle
  • Engine Runs Rough or Misfires
  • Engine Shuts Off Unexpectedly or Dies During Deceleration
  • Engine Speed Surges at Low or High Idle
  • Engine Speed Surges Under Load or in Operating Range
  • Engine Starts But Will Not Keep Running
  • Engine Vibration Excessive
  • Engine Will Not Crank or Cranks Slowly (Air Starter)
  • Engine Will Not Crank or Cranks Slowly (Electric Starter)
  • Engine Will Not Shut Off
  • Fuel Consumption Excessive (CELECT™ or CELECT Plus™)
  • Fuel Consumption Excessive (PT)
  • Fuel in Coolant
  • Fuel in the Lubricating Oil
  • Intake Manifold Air Temperature Above Specification
  • Intake Manifold Pressure (Boost) is Below Normal
  • Low Idle Adjust Switch Does Not Work (CELECT™ or CELECT Plus™)
  • Lubricating Oil in the Fuel
  • Lubricating Oil Consumption Excessive
  • Lubricating Oil Contaminated
  • Lubricating Oil Pressure High
  • Lubricating Oil Pressure Low
  • Lubricating Oil Sludge in the Crankcase Excessive
  • Lubricating Oil Temperature Above Specification
  • Lubricating or Transmission Oil in the Coolant
  • Operating Fuel Pressure is Low
  • Smoke, Black - Excessive (CELECT™ or CELECT Plus™)
  • Smoke, Black - Excessive (PT)
  • Smoke, White - Excessive (CELECT™ or CELECT Plus™)
  • Smoke, White - Excessive (PT™)
  • Step Timing Control (STC) Valve is Not Shifting Correctly
  • Turbocharger Leaks Engine Oil or Fuel
  • Variable Speed (VS) Governor - Fuel Leak at the Throttle Shaft
  • Variable Speed (VS) Governor - Speed is Not Set Correctly
  • Variable Speed (VS) Governor - Surge with Engine Under Load
  • N14 STC, Celect, Celect Plus - Service Manual
  • 000-009   Engine Steam Cleaning
  • 007-037   Lubricating Oil System
  • 008-018   Cooling System
  • 008-006   Coolant Filter
  • 007-013   Lubricating Oil Filter (Spin-On)
  • 003-001   Crankcase Breather (External)
  • 010-033   Turbocharger
  • 011-007   Exhaust Manifold, Dry
  • 013-020   Starting Motor
  • 008-040   Fan, Cooling
  • 008-039   Fan Spacer and Pulley
  • 013-005   Drive Belt, Alternator
  • 013-001   Alternator
  • 013-003   Alternator Bracket
  • 007-003   Lubricating Oil Cooler
  • 008-005   Coolant Bypass Tube
  • 007-010   Lubricating Oil Dipstick Housing
  • 001-046   Piston Cooling Nozzle
  • 016-005   Flywheel
  • 016-006   Flywheel Housing
  • 001-024   Crankshaft Seal, Rear
  • 008-002   Drive Belt, Cooling Fan
  • 008-036   Fan Hub, Belt Driven
  • 008-003   Drive Belt, Water Pump
  • 008-070   Coolant Temperature Sensor
  • 008-014   Coolant Thermostat Housing
  • 012-004   Air Compressor Coolant Lines
  • 008-062   Water Pump
  • 009-004   Accessory Drive Pulley
  • 001-052   Vibration Damper, Viscous
  • 016-002   Engine Support Bracket, Front
  • 006-037   STC Oil Control Valve (Mechanical)
  • 019-063   Internal Actuator Wiring Harness
  • 019-081   Sensor Wiring Harness
  • 019-031   Electronic Control Module (ECM)
  • 019-004   Barometric Air Pressure Sensor
  • 019-066   Engine Oil Pressure Sensor/Switch
  • 006-006   ECM Cooling Plate, Fuel Cooled
  • 005-016   Fuel Pump
  • 012-014   Air Compressor
  • 009-001   Accessory Drive
  • 006-024   Fuel Supply Lines
  • 019-038   Engine Position Sensor (EPS)
  • 007-040   Lubricating Oil Transfer Tube
  • 007-034   Lubricating Oil Pump Signal Tube
  • 007-031   Lubricating Oil Pump
  • 007-041   Lubricating Oil Viscosity Sensor
  • 019-059   Intake Manifold Air Temperature Sensor
  • 010-023   Air Intake Manifold
  • 003-011   Rocker Lever Cover
  • 020-024   Engine Brake
  • 003-009   Rocker Lever Assembly
  • 002-001   Crosshead
  • 004-014   Push Rods or Tubes
  • 006-026   Injector
  • 003-013   Rocker Lever Housing
  • 002-004   Cylinder Head
  • 004-001   Cam Follower Assembly
  • 001-009   Camshaft Bearing Support
  • 007-025   Lubricating Oil Pan
  • 001-031   Gear Cover, Front
  • 001-023   Crankshaft Seal, Front
  • 001-003   Accessory Drive Seal
  • 001-008   Camshaft
  • 001-054   Piston and Connecting Rod Assembly
  • 001-028   Cylinder Liner
  • 001-016   Crankshaft
  • 001-016   Crankshaft
  • 001-028   Cylinder Liner
  • 001-054   Piston and Connecting Rod Assembly
  • 001-008   Camshaft
  • 001-003   Accessory Drive Seal
  • 001-023   Crankshaft Seal, Front
  • 001-031   Gear Cover, Front
  • 007-025   Lubricating Oil Pan
  • 001-009   Camshaft Bearing Support
  • 004-001   Cam Follower Assembly
  • 002-004   Cylinder Head
  • 003-013   Rocker Lever Housing
  • 006-026   Injector
  • 004-014   Push Rods or Tubes
  • 002-001   Crosshead
  • 003-009   Rocker Lever Assembly
  • 020-024   Engine Brake
  • 003-011   Rocker Lever Cover
  • 010-023   Air Intake Manifold
  • 019-059   Intake Manifold Air Temperature Sensor
  • 007-041   Lubricating Oil Viscosity Sensor
  • 007-031   Lubricating Oil Pump
  • 007-034   Lubricating Oil Pump Signal Tube
  • 007-040   Lubricating Oil Transfer Tube
  • 019-038   Engine Position Sensor (EPS)
  • 006-024   Fuel Supply Lines
  • 009-001   Accessory Drive
  • 012-014   Air Compressor
  • 005-016   Fuel Pump
  • 006-006   ECM Cooling Plate, Fuel Cooled
  • 019-066   Engine Oil Pressure Sensor/Switch
  • 019-004   Barometric Air Pressure Sensor
  • 019-031   Electronic Control Module (ECM)
  • 019-081   Sensor Wiring Harness
  • 019-063   Internal Actuator Wiring Harness
  • 006-037   STC Oil Control Valve (Mechanical)
  • 016-002   Engine Support Bracket, Front
  • 001-052   Vibration Damper, Viscous
  • 009-004   Accessory Drive Pulley
  • 008-062   Water Pump
  • 012-004   Air Compressor Coolant Lines
  • 008-014   Coolant Thermostat Housing
  • 008-070   Coolant Temperature Sensor
  • 008-003   Drive Belt, Water Pump
  • 008-036   Fan Hub, Belt Driven
  • 008-002   Drive Belt, Cooling Fan
  • 001-024   Crankshaft Seal, Rear
  • 016-006   Flywheel Housing
  • 016-005   Flywheel
  • 001-046   Piston Cooling Nozzle
  • 007-010   Lubricating Oil Dipstick Housing
  • 008-005   Coolant Bypass Tube
  • 007-003   Lubricating Oil Cooler
  • 013-003   Alternator Bracket
  • 013-001   Alternator
  • 013-005   Drive Belt, Alternator
  • 008-039   Fan Spacer and Pulley
  • 013-020   Starting Motor
  • 011-007   Exhaust Manifold, Dry
  • 010-033   Turbocharger
  • 003-001   Crankcase Breather (External)
  • 007-013   Lubricating Oil Filter (Spin-On)
  • 008-006   Coolant Filter
  • 008-018   Cooling System
  • 007-037   Lubricating Oil System
  • 022-001   Service Tools
  • 000-001   Engine Removal
  • 000-002   Engine Installation
  • 000-005   Engine Storage - Long Term
  • 022-001   Service Tools
  • 001-003   Accessory Drive Seal
  • 001-005   Bearings, Connecting Rod
  • 001-006   Bearings, Main
  • 001-007   Bearings, Thrust
  • 001-008   Camshaft
  • 001-009   Camshaft Bearing Support
  • 001-010   Camshaft Bushings
  • 001-013   Camshaft Gear (Camshaft Removed)
  • 001-014   Connecting Rod
  • 001-016   Crankshaft
  • 001-017   Crankshaft Adapter
  • 001-018   Crankshaft Gear, Front (Crankshaft Installed)
  • 001-022   Crankshaft Pulley
  • 001-023   Crankshaft Seal, Front
  • 001-024   Crankshaft Seal, Rear
  • 001-026   Cylinder Block
  • 001-027   Cylinder Block and Liner Seats
  • 001-028   Cylinder Liner
  • 001-031   Gear Cover, Front
  • 001-043   Piston
  • 001-046   Piston Cooling Nozzle
  • 001-047   Piston Rings
  • 001-052   Vibration Damper, Viscous
  • 001-054   Piston and Connecting Rod Assembly
  • 001-058   Cylinder Block Counterbore
  • 001-059   Cylinder Head Mounting Capscrew Holes
  • 001-065   Camshaft End Clearance
  • 001-066   Gear Cover Accessory Drive Bushing
  • 022-001   Service Tools
  • 002-001   Crosshead
  • 002-004   Cylinder Head
  • 002-014   Injector Sleeve, Cylinder Head
  • 002-019   Valve Seat Insert, Cylinder Head
  • 002-021   Cylinder Head Gasket
  • 002-032   Cylinder Head Capscrews
  • 022-001   Service Tools
  • 003-001   Crankcase Breather (External)
  • 003-004   Overhead Set
  • 003-009   Rocker Lever Assembly
  • 003-010   Rocker Lever Bushings
  • 003-011   Rocker Lever Cover
  • 003-013   Rocker Lever Housing
  • 022-001   Service Tools
  • 004-001   Cam Follower Assembly
  • 004-014   Push Rods or Tubes
  • 022-001   Service Tools
  • 005-010   Fuel Consumption
  • 005-011   Fuel Flow
  • 005-016   Fuel Pump
  • 005-026   Fuel Pump Gear Pump Check Valve
  • 005-028   Fuel Pump High Idle Speed
  • 005-029   Fuel Pump Idle Speed
  • 005-031   Fuel Pump Pulsation Damper
  • 005-035   Fuel Pump Throttle Lever
  • 005-036   Fuel Pump Throttle Linkage
  • 005-038   Fuel Pump VS Throttle Shaft Housing
  • 005-043   Fuel Shutoff Valve
  • 005-054   Stall Speed Test
  • 005-056   VS Governor Adjusting Screw Sealing Washers
  • 005-057   VS Governor Idle Spring
  • 005-060   Fuel Pump Pressure Regulator
  • 022-001   Service Tools
  • 006-003   Air in Fuel
  • 006-006   ECM Cooling Plate, Fuel Cooled
  • 006-012   Fuel Drain Line Restriction
  • 006-015   Fuel Filter (Spin-On Type)
  • 006-020   Fuel Inlet Restriction
  • 006-024   Fuel Supply Lines
  • 006-025   Static Injection Timing
  • 006-026   Injector
  • 006-037   STC Oil Control Valve (Mechanical)
  • 006-041   STC Viscosity Sensor
  • 006-045   STC Oil Delivery System Diagnostics
  • 006-046   STC Oil Delivery System Blockage
  • 006-047   AFC No Air Check
  • 022-001   Service Tools
  • 007-003   Lubricating Oil Cooler
  • 007-009   Lubricating Oil Dipstick
  • 007-010   Lubricating Oil Dipstick Housing
  • 007-013   Lubricating Oil Filter (Spin-On)
  • 007-014   Lubricating Oil Filter Bypass Valve
  • 007-015   Lubricating Oil Filter Head
  • 007-021   Lubricating Oil High Pressure Relief Valve
  • 007-024   Lubricating Oil Leaks
  • 007-025   Lubricating Oil Pan
  • 007-028   Lubricating Oil Pressure Gauge
  • 007-029   Lubricating Oil Pressure Regulator (Main Rifle)
  • 007-031   Lubricating Oil Pump
  • 007-034   Lubricating Oil Pump Signal Tube
  • 007-037   Lubricating Oil System
  • 007-038   Lubricating Oil Temperature Gauge
  • 007-039   Lubricating Oil Thermostat
  • 007-040   Lubricating Oil Transfer Tube
  • 007-041   Lubricating Oil Viscosity Sensor
  • 007-044   Lubricating Oil Contamination
  • 007-047   Lubricating Oil Cooler Transfer Housing
  • 007-048   Lubricating Oil System Diagnostics
  • 007-049   Lubricating Oil Pump Signal Tube Orifice
  • 007-083   Lubricating Oil and Filter Analysis
  • 022-001   Service Tools
  • 008-002   Drive Belt, Cooling Fan
  • 008-003   Drive Belt, Water Pump
  • 008-006   Coolant Filter
  • 008-007   Coolant Filter Head
  • 008-009   Coolant Filter Valve
  • 008-013   Coolant Thermostat
  • 008-014   Coolant Thermostat Housing
  • 008-016   Coolant Thermostat Seal
  • 008-017   Coolant Vent Lines
  • 008-018   Cooling System
  • 008-019   Cooling System - Air or Combustion Gas Test
  • 008-026   Fan Clutch, Electric
  • 008-027   Fan Clutch, On-Off
  • 008-028   Fan Clutch, Viscous
  • 008-036   Fan Hub, Belt Driven
  • 008-038   Fan Shroud Assembly
  • 008-039   Fan Spacer and Pulley
  • 008-040   Fan, Cooling
  • 008-042   Radiator
  • 008-045   Radiator Hoses
  • 008-047   Radiator Pressure Cap
  • 008-049   Radiator Shutter Assembly
  • 008-053   Heat Exchanger
  • 008-057   Sea Water Pump
  • 008-062   Water Pump
  • 008-064   Water Pump Idler Assembly
  • 008-070   Coolant Temperature Sensor
  • 022-001   Service Tools
  • 009-001   Accessory Drive
  • 009-004   Accessory Drive Pulley
  • 009-005   Accessory Drive Pulley Wear Sleeve
  • 022-001   Service Tools
  • 010-001   Aftercooler
  • 010-023   Air Intake Manifold
  • 010-024   Air Leaks, Air Intake and Exhaust Systems
  • 010-027   Charge-Air Cooler
  • 010-031   Air Intake Restriction
  • 010-033   Turbocharger
  • 010-038   Turbocharger Axial Clearance
  • 010-039   Turbocharger Blade Damage
  • 010-040   Turbocharger Compressor Seal Leaks
  • 010-047   Turbocharger Radial Bearing Clearance
  • 010-049   Turbocharger Turbine Seal Leaks
  • 011-007   Exhaust Manifold, Dry
  • 011-009   Exhaust Restriction
  • 022-001   Service Tools
  • 012-003   Air Compressor Carbon Buildup
  • 012-004   Air Compressor Coolant Lines
  • 012-010   Air Compressor Pin Bore Wear
  • 012-013   Air Compressor Unloader and Valve Assembly
  • 012-014   Air Compressor
  • 012-017   Air Governor (Air Compressor Will Not Pump)
  • 012-018   Air Governor (Air Compressor Pumps Continuously)
  • 012-019   Air Leaks, Compressed Air System
  • 012-103   Air Compressor Cylinder Head (Holset® SS and E-Type Models)
  • 012-104   Air Compressor Cylinder Head (Holset® QE Models)
  • 012-106   Air Compressor Cylinder Head (Holset® ST Models)
  • 022-001   Service Tools
  • 013-001   Alternator
  • 013-003   Alternator Bracket
  • 013-005   Drive Belt, Alternator
  • 013-017   Starter Magnetic Switch
  • 013-018   Starter Switch
  • 013-019   Starter Solenoid
  • 013-020   Starting Motor
  • 022-001   Service Tools
  • 014-001   Dynamometer Worksheet
  • 014-002   Engine Testing (Chassis Dynamometer)
  • 014-003   Engine Run-in (Chassis Dynamometer)
  • 014-004   Engine Run-in (Without Dynamometer)
  • 014-005   Engine Testing (Engine Dynamometer)
  • 014-006   Engine Run-in (Engine Dynamometer)
  • 014-009   Engine Testing (Portable Dynamometer or Load Bank)
  • 022-001   Service Tools
  • 016-001   Engine Lifting Brackets
  • 016-002   Engine Support Bracket, Front
  • 016-005   Flywheel
  • 016-006   Flywheel Housing
  • 016-008   Flywheel Ring Gear
  • 016-010   Engine Mounts
  • 017-002   Cup Plug
  • 017-007   Pipe Plug
  • 017-011   Straight Thread Plug
  • 017-016   Straight Thread Fittings
  • 020-024   Engine Brake
  • 205-001   Additional Service Literature
  • 205-002   Service Literature Ordering Location
  • 205-004   Cummins Customized Parts Catalog
  • 018-015   General Engine
  • 018-016   Fuel System
  • 018-017   Lubricating Oil System
  • 018-018   Cooling System
  • 018-019   Air Intake System
  • 018-020   Exhaust System
  • 018-021   Electrical System
  • 018-022   Compressed Air System
  • 018-023   Engine Testing
  • 018-005   Drive Belt Tension
  • 018-010   Fraction, Decimal, Millimeter Conversions
  • 018-014   Weights and Measures - Conversion Factors
  • 018-011   Newton-Meter to Foot-Pound Conversions
  • 018-009   Capscrew Markings and Torque Values
  • 018-012   Pipe Plug Torque Values
  • 018-013   Tap-Drill Chart - U.S. Customary and Metric
  • N14 STC, Celect, Celect Plus - Service Manual