6C
P/S Pump Inspection
Reference: P/S Pump Removal and Installation
Reference: P/S Pump Disassembly and Assembly
Pump Body, Cover and Shaft
Check sliding surfaces of each part for wear and damage.
If any defect is found, replace pump assembly.
1. Pulley 2. Pump body 3. Pump cover
Cam Ring and Side Plate
Check vane sliding surface of cam ring (2) for wear and damage.
If any defect is found, replace pump assembly.
1. Slide plate
Rotor and Vane
• Check sliding surfaces of rotor and vane for wear and damage.
• Check clearance between rotor and vane.
Replace pump assembly if any defect is found.
Clearance between rotor and vane
Standard: 0.01 mm (0.0004 in.)
Limit: 0.06 mm (0.0023 in.)
1. Thickness gauge
Relief Valve (Flow Control Valve and Its Spring)
• Check fluid passage of relief valve and orifice of connector for obstruction (clogged).
• Check sliding surface of relief valve for wear and damage.
• Check free length of relief valve spring (1).
Replace pump assembly if any defective is found.
Relief valve spring free length
Standard: 36.5 mm (1.44 in.)
Limit: 33.5 mm (1.32 in.)