LEMON Manuals: Even more car manuals for everyone
Home >> Triumph >> 1981 >> TR8 Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Ignition System >> LUCAS "Opus" Electronic Ignition System >> Testing (XJ6 Models) >> Vacuum Advance Or Retard

Vacuum Advance Or Retard

With distributor in test stand, check advance or retard at all vacuum settings specified. If tests indicate vacuum diaphragm unit is inoperative, out of calibration or leaking, replace vacuum unit.