Nissan Sentra manuals

Nissan Sentra Service Manual: Spark plug

Exploded View


  1. Ignition coil
  2. Spark plug
  3. Rocker cover

Removal and Installation

REMOVAL

  1. Remove engine cover. Refer to EM-24, "Exploded View".
  2. Remove ignition coil. Refer to EM-46, "Exploded View".
  3. Remove spark plug using suitable tool.

(a) : 14 mm (0.55 in)

CAUTION:

Do not drop or shock spark plug.

INSTALLATION


INSTALLATION

Installation is in the reverse order of removal.

*: Always check with the Parts Department for the latest parts information.


*: Always check with the Parts Department for the latest parts information.

CAUTION:

Always tighten the spark plug to specified torque to align the orientation of electrodes. The ground electrode of a genuine spark plug is positioned in the area of maximum ignitability by tightening to the specified torque. When replacing spark plugs, use genuine spark plugs of which the ground electrode is adjusted.

NOTE:

The ground electrode of the spark plug is positioned in the area of maximum ignitability to improve combustion efficiency in the cylinder, reduce CO2 (carbon dioxide) emission and improve fuel economy.


  1. Ground electrode of spark plug
  1. Top view
  2. Air-fuel mixture flow
  3. Poor ignitability region

Inspection

INSPECTION AFTER REMOVAL

Use the standard type spark plug for normal condition.

Spark plug (Standard type) : Refer to EM-118, "Spark Plug".

CAUTION:

Cleaner air pressure : Less than 588 kPa (6 kg/cm2, 85 psi)

Cleaning time : Less than 20 seconds


Drive belt


Periodic maintenance
...

Drive belt
Exploded View Alternator Drive belt auto-tensioner Crankshaft pulley A/C compressor Water pump Drive belt Possible use range New drive belt range Indicator Removal and ...

Other materials:

S connector circuit
Description The starter motor magnetic switch is supplied with power when the ignition switch is turned to the START position while the selector lever is in the P (Park) or N (Neutral) position (CVT Models) or the clutch pedal is depressed (M/T Models). Diagnosis Procedure Regarding Wiring ...

Horn
To sound the horn, push near the horn icon on the steering wheel. WARNINGDo not disassemble the horn. Doing so could affect proper operation of the supplemental front air bag system. Tampering with the supplemental front air bag system may result in serious personal injury. ...

Precaution
Precaution for supplemental restraint system (srs) "air bag" and "seat belt pre-tensioner" The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along with a front seat belt, helps to reduce the risk or severity of injur ...

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