AIR29 - Check Vacuum Vacuum Supply to Reservoir

^ Key OFF.

^ Remove vacuum inlet line at reservoir (For single piece connector, this port is marked MAN or VAC).

^ START engine.

^ Check for vacuum on line.

^ Is vacuum present?

YES -- Go to AIR30. AIR30 - Check Reservoir to Hold Vacuum

NO -- Service vacuum line for leaks or blockage. Verify drive concern.