Contents Wiring diagrams Section: Mechanical All sections

Engine Mechanical (VK50VE): Overview Infiniti FX50 II

Mechanical 1 illustration ~196 words

Scheme 2

Scheme 2: NVH Troubleshooting - Engine Noise

OPERATION PROCEDURE

  1. Connect both battery cables. NOTE: Supply power using jumper cables if battery is discharged.
  2. Turn the push-button ignition switch to ACC position. (At this time, the steering lock will be released.
  3. Disconnect both battery cables. The steering lock will remain released with both battery cables disconnected and the steering wheel can be turned.
  4. Perform the necessary repair operation.
  5. When the repair work is completed, re-connect both battery cables. With the brake pedal released, turn the push-button ignition switch from ACC position to ON position, then to LOCK position. The steering wheel will lock when the push-button ignition switch is turned to LOCK position.
  6. Perform self-diagnosis check of all control units using CONSULT-III.

Description

Selection pointsSelection partsSelection itemsSelection methods
Between cylinder block and crankshaftMain bearingMain bearing grade (bearing thickness)Determined by match of cylinder block bearing housing grade (inner diameter of housing) and crankshaft journal grade (outer diameter of journal)
Between crankshaft and connecting rodConnecting rod bearingConnecting rod bearing grade (bearing thickness)Determined by match of connecting rod big end diameter grade (inner diameter of housing) and crankshaft pin outer diameter.
Between cylinder block and pistonPiston and piston pin assembly. Piston is available together with piston pin as assembly.Piston grade (piston skirt diameter)Piston grade = cylinder bore grade (inner diameter of bore)

SELECTION METHODS TABLE

  1. The identification grade stamped on each part is the grade for the dimension measured in new condition. This grade cannot apply to reused parts.
  2. For reused or repaired parts, measure the dimension accurately. Determine the grade by comparing the measurement with the values of each selection table.
  3. For details of the measurement method of each part, the reuse standards and the selection method of the selective fitting parts, refer to the text.