Common Specs & Procedures
G25 & G37 (SEDAN) COMMON SPECS & PROCEDURES
| System | Specification/Procedure | |||
|---|---|---|---|---|
| Air Conditioning | ||||
| Service | SERVICE DATA AND SPECIFICATIONS (SDS) | |||
| Torque | See Torque Specifications in text and applicable figures under REMOVAL AND INSTALLATION | |||
| Axle Nut/Hub Nut | ||||
| Front Axle Nut (AWD) | 125 N.m (92 Ft. lbs.) | |||
| Front Hub Nuts (2WD) | 88.3 N.m (65 Ft. lbs.) | |||
| Rear Axle Nut | 100-105 N.m (74-77 Ft. lbs.) | |||
| Battery | SERVICE DATA AND SPECIFICATIONS (SDS) | |||
| Brakes | ||||
| Bleeding Sequence | BLEEDING BRAKE SYSTEM | |||
| Disc Brakes | ||||
| Front | FRONT DISC BRAKE | |||
| Rear | REAR DISC BRAKE | |||
| Torque | ||||
| Front | See Torque Specifications in text and applicable figures under FRONT DISC BRAKE . | |||
| Rear | See Torque Specifications in text and applicable figures under REAR DISC BRAKE . | |||
| Charging | ||||
| Alternator | ALTERNATOR | |||
| Torque | See Torque Specifications in text and applicable figures under REMOVAL AND INSTALLATION . | |||
| Drive Belts | ||||
| Adjustment | Belt tension is adjusted by drive belt auto-tensioner. | |||
| Belt Routing | ||||
| 2.5L (VQ25HR) | See Drive Belt Routing in appropriate figure under DRIVE BELT . | |||
| 3.7L (VQ37VHR) | See Drive Belt Routing in appropriate figure under DRIVE BELT . | |||
| Engine Cooling | ||||
| General Service Specifications | SERVICE DATA AND SPECIFICATIONS (SDS) | |||
| Radiator Cap Pressure | 122.3-151.7 kPa (1.2-1.5 kgf/cm2 , 18-22 psi) | |||
| Thermostat R & I | WATER INLET AND THERMOSTAT ASSEMBLY | |||
| Water Pump R & I | WATER PUMP | |||
| Engine Mechanical | ||||
| 2.5L (VQ25HR) | ||||
| Compression | COMPRESSION PRESSURE | |||
| Oil Pressure | ||||
| @ idle | 98 kPa (1.0.8 kgf/cm2 , 14 psi) or more | |||
| @ 2000 RPM | 94 kPa (3.0 kgf/cm2 , 43 psi) on more | |||
| Overhaul | SERVICE DATA AND SPECIFICATIONS (SDS) | |||
| Torque | See Torque Specifications in text and applicable figures under UNIT REMOVAL AND INSTALLATION | |||
| 3.7L (VQ37VHR) | ||||
| Compression | COMPRESSION PRESSURE | |||
| Oil Pressure | ||||
| @ Idle | 98 kPa (1.0.8 kgf/cm2 , 14 psi) or more | |||
| @ 2000 RPM | 294 kPa (3.0 kgf/cm2 , 43 psi) on more | |||
| Overhaul | SERVICE DATA AND SPECIFICATIONS (SDS) | |||
| Torque | See Torque Specifications in text and applicable figures under REMOVAL AND INSTALLATION . | |||
| Fluid Specifications | See FLUIDS under MAINTENANCE tab. From within Manager or Service Writer, click the "30/60/90 Interval" or "Maint." button. | |||
| Flywheel/Flex Plate (Drive Plate) Torque | 88 N.m (65 Ft. lbs.) | |||
| Fuel System | ||||
| Pressure | At Idling: Approximately 350 kPa (3.57 kg/cm2 , 51 psi) | |||
| Fuel Pressure Test Procedure | FUEL PRESSURE for (G25) or FUEL PRESSURE for (G37). | |||
| Fuel Filter Location | Fuel filter is located on fuel pump unit in fuel tank. | |||
| Ignition | ||||
| Firing Order & Cylinder Identification | FIRING ORDER & CYLINDER IDENTIFICATION | |||
| Ignition Wires (Resistance) | Engine is equipped with Coil-On-Plug ignition. | |||
| Ignition Wires (Routing) | Engine is equipped with Coil-On-Plug ignition. | |||
| Spark Plugs | SPARK PLUG
for 2.5L or SPARK PLUG
for 3.7L. Torque: 14 Ft. lbs. (19.6 N.m) |
|||
| Starting | ||||
| Starter | STARTER MOTOR | |||
| Torque | See Torque Specifications in text and applicable figures under REMOVAL AND INSTALLATION . | |||
| Wheel Alignment | ||||
| Adjustment Specifications | ||||
| Front | SERVICE DATA AND SPECIFICATIONS (SDS) for 2WD or UNIT REMOVAL AND INSTALLATION for AWD. | |||
| Rear | SERVICE DATA AND SPECIFICATIONS (SDS) | |||
| Torque | ||||
| Front | See Torque Specifications in text and applicable figures under UNIT REMOVAL AND INSTALLATION for 2WD or UNIT REMOVAL AND INSTALLATION for AWD. | |||
| Rear | See Torque Specifications in text and applicable figures under UNIT REMOVAL AND INSTALLATION . | |||
| Wheel & Tire | ||||
| Lug Nut Torque | 108 N.m (11 kg-m, 80 Ft-lb) | |||
| How To Use Nissan/Infiniti Service Information | ||||
| Includes: Standard Bolt Torque Symbol Identification General Connector Info |
GENERAL INFORMATION -- G25/G37 SEDAN | |||