Components:
1 Gland Nut
2 Bushing
3 Body
4 Diaphragm
5 Cap / Cover
6 Clip / Lock
7 O-Ring
8 Washer
9 O-Ring
10 Valve
11 Spring
12 Tube
13 Hose
The vacuum relief valve is an engine safety device.
Its function is that of limiting the vacuum whenever it tends to increase.
Without this, should the air filter be clogged, the oil contained in the carter may be sucked back into intake manifold causing the condition for engine runaway.
