Manual sections

Wiring diagrams

• Abbreviations
• Accessory Drive Belts
• Adjustments
• Airbag
• Anti-Lock Brakes System & Traction Control System
• Anti-Lock/traction Control
• Application
• Automatic Air Conditioner
• Automatic Air Conditioner: Diagnosis
• Automatic Air Conditioner: Overview
• Automatic HVAC System
• Automatic Trans
• Automatic Transaxle
• Automatic Transaxle: Diagnosis
• Automatic Transaxle: Wiring
• Auxiliary Emission Control Systems
• Axle Shafts
• Basic Trouble Shooting
• Body, Cab Control Systems
• Brakes
• Cabin Air Filter
• CAN System
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• Communication Devices
• Computer Relearn
• Cooling Fan
• Cooling System (Mechanical)
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• Diagnostic Connector Locations
• Door Locks & Anti-Theft Systems
• Drive Cycles
• Driveline/axles
• DTC Index
• Electrical Component Locations
• Emission Applications
• Engine
• Engine Controls - Self-Diagnostics - Altima: Diagnosis
• Engine Cooling System
• Engine Mechanical - 2.5L
• Engine Mechanical - 2.5L: Removal & Installation
• Engine Mechanical - 3.5L
• Engine Performance
• Exhaust
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• General Information
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• Manual Air Conditioner: Diagnosis
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• Manual Transmission
• Mechanical
• Mechanical - Hydraulic
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• Removal & Installation
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• Testing & Diagnostics
• Theory & Operation
• Traction Control Disable
• Transmission
• Wheel & Tire System
• Wheel Alignment
• Windows
• Wiper/washer Systems
• Wiring Diagrams - Engine Performance

Repair manual

Engine Mechanical - 2.5L Nissan Altima L31

Step-by-step instructions on "Engine Mechanical - 2.5L" for Nissan Altima L31 (2001–2004). Pick an article — removal, installation, adjustment and diagnostics with illustrations.

27subsections

27articles

89illustrations

PRECAUTIONS FOR DISCONNECTING FUEL PIPING

1 article

• PRECAUTIONS FOR DISCONNECTING FUEL PIPING

SPECIAL SERVICE TOOLS

1 article

• SPECIAL SERVICE TOOLS 5

Changing The Air Cleaner Element

1 article

• Changing The Air Cleaner Element 1

Connecting the Quick Connector for the Fuel Hose (Engine Side)

1 article

• Connecting the Quick Connector for the Fuel Hose (Engine Side) 3

Check Connections for Fuel Leakage

1 article

• Check Connections for Fuel Leakage 16

Calculation of Camshaft Journal Clearance

1 article

• Calculation of Camshaft Journal Clearance 5

Calculation of Valve Lifter Clearance

1 article

• Calculation of Valve Lifter Clearance 10

Timing Chain

1 article

• Timing Chain 1

Valve Dimensions

1 article

• Valve Dimensions 1

Valve Guide Clearance

1 article

• Valve Guide Clearance 1

Valve Seat Contact

1 article

• Valve Seat Contact 1

Valve Spring Squareness

1 article

• Valve Spring Squareness 1

Valve Spring Dimensions And Valve Spring Pressure Load

1 article

• Valve Spring Dimensions And Valve Spring Pressure Load 4

When a Cylinder Block is Reused

1 article

• When a Cylinder Block is Reused 5

Undersize Bearing Usage Guide

1 article

• Undersize Bearing Usage Guide 2

When New Cylinder Block and Crankshaft are Used

1 article

• When New Cylinder Block and Crankshaft are Used

When Cylinder Block and Crankshaft are Reused

1 article

• When Cylinder Block and Crankshaft are Reused 4

Use Undersize Bearing Usage Guide

1 article

• Use Undersize Bearing Usage Guide 6

Piston And Piston Pin Clearance

1 article

• Piston And Piston Pin Clearance 7

Connecting Rod Bushing Oil Clearance (Small End)

1 article

• Connecting Rod Bushing Oil Clearance (Small End) 6

Piston to Cylinder Bore Clearance

1 article

• Piston to Cylinder Bore Clearance

Reboring Cylinder Bore

1 article

• Reboring Cylinder Bore

Outer Diameter Of Crankshaft Journal

1 article

• Outer Diameter Of Crankshaft Journal 5

Method of Measurement

1 article

• Method of Measurement

Method of Using Plastigage

1 article

• Method of Using Plastigage 3

Movement Amount Of Flywheel (M/T Model)

1 article

• Movement Amount Of Flywheel (M/T Model) 1

Movement Amount in Radial (Rotation) Direction

1 article

• Movement Amount in Radial (Rotation) Direction 1