Vacuum Chamber (MX-6 & 626 Turbo)

Disconnect vacuum hoses from vacuum chamber. Connect vacuum pump to port "A". See Fig 1 . Apply vacuum and verify no vacuum is held. Disconnect vacuum pump from port "A", and connect it to port "B". Apply vacuum and verify vacuum is held. Replace vacuum chamber as necessary.

Fig 1: Testing EGR Vacuum Chamber (MX-6 & 626 Turbo)

Courtesy of MAZDA MOTORS CORP.