SERVICE INFORMATION 00-11 Power Steering Oil Pump Unit Tandem Hydraulic Pump Manual Steering Unit 4J Series Engine 4H Series Engine Type Theoretical Delivery (cm3/rev) Vane type 7.2 8.1 Regulated Oil Flow volume (liter/min) Regulated Oil Pressure kPa (kg/cm2/psi) NHR, NKR NPR, NPS NQR Maximum Allowable Speed (r.p.m) 8.5 — 6.5 10,297 (105/1,493) 6,500 8.0 — 6.5 10,297 (105/1,493) 10,787 (110/1,564) 11,278 (115/1,635) 6,500 Hydraulic Booster Pump Power Steering Pump Type Theoretical Delivery (cm3/rev) Regulated Oil Flow volume (liter/min) Regulated Oil Pressure kPa (kg/cm2/psi) Maximum Allowable Speed (r.p.m) Vane type 13 8.4 8.0 8.0 — 6.5 11,770 (120/1,706) 10,790 (110/1,564) 6,500 NHR, NKR NPR, NQR Type Sector Shaft Outside Diameter mm (in.) Number of Ball Gear Ratio Recirculating ball type 34.295 38.1 28 × 2 50 × 2 24.5 — 28.5 27.7 — 31.7