LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chevrolet >> 1985 >> Nova CL, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Carburetor - AISAN 2-Bbl >> Testing >> Automatic Choke System >> Choke Breaker System
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Choke Breaker System

  1. Check TVSV with cold engine. Start engine. With coolant temperature below 45°F (7°C), disconnect vacuum hose from inner choke breaker diaphragm and check that choke linkage does not move.
  2. Reconnect vacuum hose to outer choke breaker diaphragm. Disconnect vacuum hose from inner choke breaker diaphragm and check that choke linkage moves. Reconnect vacuum hose to inner diaphragm and check that choke linkage moves within 1-5 seconds after reconnecting hose.
  3. Check TVSV and outer diaphragm with warm engine. Disconnect vacuum hose from outer diaphragm and check that choke linkage returns. Reconnect vacuum hose to diaphragm. If no problem is found with this inspection, system is okay.
scientia non olet · About LEMON Manuals