LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Nissan-Datsun >> 1975 >> 280Z Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Spark Timing Control System >> Testing >> Spark Timing Control System >> 1979 210 Models
April 5, 2026: LEMON Manuals is launched! Read the announcement.

1979 210 Models

  1. Make sure all vacuum hoses are in good condition and that they are properly connected. Place transmission selector lever in "P".
  2. Disconnect vacuum hose at the distributor vacuum advance unit. With engine coolant temperature below 122°F (50°C), race engine and check for vacuum at end of the disconnected hose.
  3. No vacuum should be felt. If vacuum is felt, check condition of thermal vacuum valve.
  4. Allow engine to reach normal operating temperature and again check for the presence of vacuum. Vacuum should now be present. If not, check condition of thermal vacuum valve.
scientia non olet · About LEMON Manuals