Vacuum Pump Inspection (MILLENIA S)
WARNING: This page is about a different car, the 2001 Mazda Protege, 2001 Mazda Millenia, 2001 Mazda MX-5 Miata, 2001 Mazda MPV, and 2001 Mazda 626. However, it is still accessible from the selected car via links, so may be relevant.
- Disconnect the vacuum hose from the power brake unit side of the vacuum pump and plug them.
- Disconnect the vacuum hose from the solenoid valve side of the vacuum pump and connect a vacuum gauge as shown in illustration. See Fig 1 .
- Under the conditions specified in the VACUUM PUMP SPECIFICATIONS
table, measure the vacuum using a vacuum gauge. If not as specified, replace the pump.VACUUM PUMP SPECIFICATIONS
Condition Vacuum In Hg. (KPa) After Running Engine At 900 RPM For 20 Seconds 17.3 (58.7) After Running Engine At 1800 RPM For 20 Seconds 22.8 (77.3)