Altima 2.5 L4-2.5L (QR25DE) (2002): Engine, Cooling and Exhaust
Also for this vehicle: Altima 2.5 SL L4-2.5L (QR25DE) (2002), Altima GLE L4-2.4L (KA24DE) (1997), Altima GXE L4-2.4L (KA24DE) (1999), Altima L4-2.4L (KA24DE) (1994), Altima L4-2.5L (QR25DE) (2009), Altima L4-2.5L (QR25DE) Hybrid (2007), Altima SE L4-2.4L (KA24DE) (1997), Altima V6-3.5L (VQ35) (2003), Altima V6-3.5L (VQ35DE) (2006), Altima XE L4-2.4L (KA24DE) (1999).
Diagnostics
Maintenance
Engine
Transmission
Brakes
Electrical
Steering & suspension
Heating & A/C
Body & interior
Choose Sections to see everything in a chapter, or a chapter title to start at its first page.
Engine352 pages
Actuators and Solenoids - Engine32 pages
- Compression Check › System Information › Specifications2
Camshaft, Lifters and Push Rods16 pages
- Camshaft Bearing › Component Information › Specifications2
- Camshaft Gear/Sprocket › Component Information › Specifications
- Camshaft, Engine › Component Information › Diagrams2345678910
- Lifter / Lash Adjuster, Valve › Component Information › Specifications2
- Variable Valve Timing Actuator › Component Information › Technical Service Bulletins › Engine Controls - MIL ON/Multiple VVT DTC's Set
Cylinder Block Assembly21 pages
- Connecting Rod Bearing › Component Information › Specifications2
- Connecting Rod, Engine › Component Information › Specifications › Connecting Rod Bolt2
- Crankshaft Gear/Sprocket › Component Information › Specifications2
- Crankshaft Main Bearing › Component Information › Specifications › General Specifications23
- Crankshaft, Engine › Component Information › Specifications234
- Harmonic Balancer - Crankshaft Pulley › Component Information › Specifications › Torque Specifications2
- Piston, Engine › Component Information › Specifications2
- Piston Pin, Engine › Component Information › Specifications2
- Piston Ring, Engine › Component Information › Specifications2
Cylinder Head Assembly18 pages
- Valve Clearance › System Information › Specifications2345
- Fuel Pressure Release › System Information › Service and Repair
- Valve Cover › Component Information › Diagrams23
- Valve Guide › Component Information › Specifications2
- Valve Seat › Component Information › Specifications2
- Valve Spring › Component Information › Specifications › Mechanical Specifications2
- Valve, Intake/Exhaust › Component Information › Specifications23
Drive Belts, Mounts, Brackets and Accessories10 pages
- Drive Belt › Component Information › Technical Service Bulletins › Engine - Drive Belt Noise Diagnosis23456
Drive Belt Tensioner › Component Information3 pages
- Engine Mount › Component Information › Diagrams
Engine Lubrication17 pages
- Engine Oil Pressure › Component Information › Specifications2
Engine Oil › Component Information4 pages
- Oil Filter, Engine › Component Information › Service and Repair2
- Oil Pan, Engine › Component Information › Diagrams234
- Oil Pressure Sensor › Component Information › Testing and Inspection
- Oil Pressure Warning Lamp/Indicator › Component Information › Testing and Inspection › Oil Pressure Warning Lamps Stays Off (Ignition Switch on)2
- Oil Pump, Engine › Engine Oil Pressure › Component Information › Specifications2
- Intake Manifold › Component Information › Specifications23456789
- Lamps and Indicators - Engine › Oil Pressure Warning Lamp/Indicator › Component Information › Testing and Inspection › Oil Pressure Warning Lamps Stays Off (Ignition Switch on)2
- Seals and Gaskets, Engine › Cylinder Head Gasket › Component Information › Technical Service Bulletins › Engine - Head Gasket Handling Precautions
Sensors and Switches - Engine67 pages
- Oil Pressure Sensor › Component Information › Testing and Inspection
Variable Valve Timing Actuator Position Sensor › Component Information › Technical Service Bulletins66 pages
- All Technical Service Bulletins: › 02-025 › Mar › 02 › Clutch - Pedal Sticking/Hard Shifting23
- Recalls: › 03-124 › Dec › 03 › Recall - Engine Sensor Replacement23456789101112131415161718192021
- All Other Service Bulletins for Clutch Switch: › 03-124 › Dec › 03 › Recall - Engine Sensor Replacement23456789101112131415161718192021
- All Other Service Bulletins for Variable Valve Timing Actuator Position Sensor: › 02-025 › Mar › 02 › Recalls for Variable Valve Timing Actuator Position Sensor: › 03-124 › Dec › 03 › Recall - Engine Sensor Replacement23456789101112131415161718192021
Timing Components91 pages
- Camshaft Gear/Sprocket › Component Information › Specifications
- Crankshaft Gear/Sprocket › Component Information › Specifications2
- Timing Chain › Component Information › Specifications234567891011
- Timing Chain Tensioner › Component Information › Specifications2
- Timing Component Alignment Marks › Component Information › Locations
Variable Valve Timing74 pages
- Variable Valve Timing Actuator › Component Information › Technical Service Bulletins › Engine Controls - MIL ON/Multiple VVT DTC's Set
Variable Valve Timing Actuator Position Sensor › Component Information › Technical Service Bulletins42 pages
- All Technical Service Bulletins for Variable Valve Timing Actuator Position Sensor: › 03-124 › Dec › 03 › Recall - Engine Sensor Replacement23456789101112131415161718192021
- Recalls for Variable Valve Timing Actuator Position Sensor: › 03-124 › Dec › 03 › Recall - Engine Sensor Replacement23456789101112131415161718192021
Tune-up and Engine Performance Checks63 pages
- Fuel Pressure › System Information › Specifications23
- Air/Fuel Mixture › System Information › Adjustments2345678910
Idle Speed › System Information32 pages
Technical Service Bulletins19 pages
- By Symptom: › 05-067 › Oct › 05 › Engine Controls - Engine Idle Speed 25RPM Too High2345
- All Technical Service Bulletins: › 05-067 › Oct › 05 › Engine Controls - Engine Idle Speed 25RPM Too High2345
- Customer Interest: › 05-067 › Oct › 05 › Engine Controls - Engine Idle Speed 25RPM Too High2345
- All Other Service Bulletins for Idle Speed: › 02-083 › Jul › 02 › A/T - Engine Won't Crank in PARK/Will Crank in NEUTRAL234
- All Other Service Bulletins for Idle Speed: › 02-083 › Jul › 02 › A/T - Engine Won't Crank in PARK/Will Crank in NEUTRAL
- All Other Service Bulletins for Idle Speed: › 02-083 › Jul › 02 › A/T - Engine Won't Crank in PARK/Will Crank in NEUTRAL
- Adjustments › Perform If Idle Is Out of Specification2345678910111213
Air Cleaner Housing › Air Filter Element › Component Information › Technical Service Bulletins4 pages
- Fuel Filter › Fuel Pressure Release › System Information › Service and Repair
- Firing Order › Component Information › Specifications
- Ignition Timing › Number One Cylinder › Component Information › Locations
- Spark Plug › Component Information › Specifications234
- Compression Check › System Information › Specifications2
- Valve Clearance › System Information › Specifications2345
- Water Pump › Component Information › Specifications23
Cooling System176 pages
Engine - Coolant Temperature Sensor/Switch62 pages
- Heater Core › Component Information › Service and Repair
Radiator › Component Information10 pages
Radiator Cap › Component Information › Technical Service Bulletins6 pages
Relays and Modules - Cooling System2 pages
Sensors and Switches - Cooling System › Engine - Coolant Temperature Sensor/Switch62 pages
Thermostat, Engine Cooling › Component Information8 pages
- Thermostat Housing, Engine Cooling › Component Information › Specifications › Mechanical Specifications23
- Water Pump › Component Information › Specifications23
Exhaust System350 pages
Catalytic Converter › Component Information › Technical Service Bulletins116 pages
Exhaust Manifold › Component Information › Technical Service Bulletins4 pages
Exhaust Pipe › Component Information › Technical Service Bulletins114 pages
Exhaust Pipe/Muffler Hanger › Component Information › Technical Service Bulletins116 pages