ARIA

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 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

B. VACUUM RESERVOIR

The Vacuum reservoir is provided to ensure constant

vacuum pressure to the vacuum solenoid valve by

overcoming any fluctuations in the vacuum being

generated by the vacuum pump.

LOCATION

Vacuum reservoir is mounted on the firewall in the

engine compartment behind the battery.

For removal and fitment of vacuum reservoir refer

Brake section.