Nissan Sentra manuals

Nissan Sentra Service Manual: Compression pressure

Inspection

  1. Warm up the engine to full operating temperature.
  2. Release fuel pressure. Refer to EC-143, "Work Procedure".
  3. Remove ignition coil and spark plug from each cylinder. Refer to EM-46, "Exploded View".
  4. Connect engine tachometer (not required in use of CONSULT).
  5. Install compression gauge (B) with an adapter (A) into spark plug hole.


(a) : 20 mm (0.79 in) or less


  1. With accelerator pedal fully depressed, turn ignition switch to “START” for cranking. When the gauge pointer stabilizes, read the compression pressure and the engine rpm. Perform these steps to check each cylinder.

Compression pressure : Refer to EM-118, "General Specification".

CAUTION:

Always use a fully charged battery to obtain the specified engine speed.

  1. After inspection is completed, install removed parts.
  2. Start the engine, and check that the engine runs smoothly.
  3. Perform trouble diagnosis. If DTC appears, erase it. Refer to EC-55, "Diagnosis Description".
Camshaft valve clearance
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Removal and installation
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Other materials:

Engine Oils
Prolonged and repeated contact with used engine oil may cause skin cancer. Try to avoid direct skin contact with used oil. If skin contact is made, wash thoroughly with soap or hand cleaner as soon as possible. HEALTH PROTECTION PRECAUTIONS Avoid prolonged and repeated contact with oils ...

Starting the engine
Apply the parking brake. CVT model: Move the shift lever to P (Park) or N (Neutral). P (Park) is recommended. The shift lever cannot be moved out of P (Park) and into any of the other gear positions if the ignition switch is turned to the OFF position or if the key is removed from th ...

Spark plugs
Replacing spark plugs WARNINGBe sure the engine and ignition switch are off and that the parking brake is engaged securely. CAUTION Be sure to use the correct socket to remove the spark plugs. An incorrect socket can damage the spark plugs. Platinum-tipped spark plugs (ex ...

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