4
Lubrication System
DETROIT DIESEL 53
temperature, by means of a regulator valve located in
the lower front engine cover.
The regulator valve,
located in the pump outlet passage, opens at 52 psi on
6V engines and returns excess oil directly to the
Stabilized lubricating oil pressure is maintained within
the engine at all speeds, regardless of the oil
1972 General Motors Corp.
Page 2