ENGINE 108 2.1.4.6.2 COMPONENTS A. VACUUM PUMP Vacuum Pump supplies vacuum to Brake booster. This unit is driven by the exhaust cam shaft. For removal refer Engine overhauling section. Type Single vane type Pump speed 350 rpm to 2750 rpm intermittent Max. 3000 rpm Drive Dog drive Stabilized vacuum 700 mm of Hg at mean sea level at any speed of vacuum pump Lubrication Oil Engine Oil C VACUUM SOLENOID VALVE The vacuum solenoid valve is an electro pneumatic solenoid switch, which is controlled by the EMS ECU based on the Engine speed, Coolant Temperature and Accelerator pedal position etc. Vacuum solenoid valve provides variable vacuum levels to operate the EGR cooler bypass valve. REMOVAL 1. Remove engine cover. 2. Disconnect all the hose connections & electrical connection from the vacuum solenoid valve. 3. Remove two mounting bolts of vacuum solenoid valve & take out the vacuum solenoid valve from its location. FITMENT 1. Fit the vacuum solenoid valve on the mounting bracket. 2. Tighten its two mounting bolts.
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