3. Disconnect the vacuum hose from the left side of the transmission.
3. Turn out the diaphragm.
4. Make sure that the diaphragm throttle valve is pressed against the seat and check the distance L (photo).
5.4 Adjusting the vacuum diaphragm rod
1. Saddle (the valve must be pressed against the seat); 2. Crankcase wall; 3. Rod; 4. Throttle body plate; 5. Throttle valve
5. Determine the length of the rod from the table.
| Distance L (mm) | Rod length (mm) |
| Up to 25.55 | 29,0 |
| 25,65-26,05 | 29,5 |
| 26,15-26,55 | 30,0 |
| 26,65-27,05 | 30,5 |
| Over 27.15 | 31,0 |