TRUCK SERVICE MANUAL
Fig. 7 SE-2780 Power Steering Analyzer
Foaming milky power steering
1. Air in the fluid, and loss of
Check for leak and correct.
fluid, low fluid level and possi-
fluid due to internal pump
Bleed system. Extremely
ble low pressure
leakage causing overflow.
cold temperatures will cause
system aeration should oil level be low. If oil
level is correct and pump still foams,
remove pump from vehicle and separate
reservoir from housing. Check welsh plug
and housing for cracks. If plug is loose
or housing is cracked, replace housing.
Low pressure to steering pump
1. Flow-control valve stuck or
Remove burrs or dirt, reinoperative place.
2. Pressure plate not flat
against cam ring
CTS-2296R Chapter 1, Page 10
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