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ENGINE
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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 inter-
mittent Max. 3000 rpm
Drive
Dog drive
Stabilized vacuum 700 mm of Hg at mean sea
level at any speed of vacu-
um 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.