MECHANICAL ELEMENT CONTROLS
Vacuum pump
37
REMOVAL
Drain the cooling circuit.
Remove the air tube and its mounting.
Disconnect the quick release vacuum pipe.
Remove the thermostat mounting (2 bolts).
Remove the vacuum pump (2 bolts, 2 nuts).
13097-1S
Systematically renew the drive dog when repla-
cing the pump.
REFITTING
Refitting is the reverse of removal.
Bleed the brake circuit.
CHECKING
Engine warm, at 4000 rpm, the minimum vacuum
should be 700 mbar (525 mm/Hg) in 3 seconds.
Diesel engine
37-6