Power Steering Pump Flow/Pressure Specifications
Power Steering Pump Specifications
| Vehicle | Engine Code | Engine Size | High Flow (Liters per Minute) | High Flow (Gallons per Minute) | Pressure Relief (kPa) | Pressure Relief (PSI) |
|---|---|---|---|---|---|---|
| C15 Pickup with vacuum brakes (new style flow control valve has "AA" stamped into the fitting) | L35 LR4 LM7 |
4.3L 4.8L 5.3L |
10.9/12.4 | 2.9/3.3 | 9825/10514 | 1425/1525 |
| C15 Pickup with vacuum brakes (old style flow control valve has "O" stamped into the fitting) | L35 LR4 LM7 |
4.3L 4.8L 5.3L |
13.2/14.7 | 3.5/3.9 | 9825/10514 | 1425/1525 |
| C15 Suburban with vacuum brakes | LM7 | 5.3L | 10.2/11.7 | 2.7/3.1 | 9825/10514 | 1425/1525 |
| C25 Pickup/Suburban with hydroboost | LM7 LQ4 |
5.3L 6.0L |
13.2/14.7 | 3.5/3.9 | 9825/10514 | 1425/1525 |
| C/K 25/35 Pickup | L18 | 8.1L | 13.2/14.7 | 3.5/3.9 | 9825/10514 | 1425/1525 |
| C/K 35 Pickup with hydroboost | LB7 | 6.6L Diesel | 13.2/14.7 | 3.5/3.9 | 9825/10514 | 1425/1525 |
| K15 Pickup with vacuum brakes | L35 LR4 LM7 LQ4 |
4.3L 4.8L 5.3L 6.0L |
10.2/11.7 | 2.7/3.1 | 9825/10514 | 1425/1525 |
| K15 Utility/Suburban with JC5 | LR4 LM7 LQ4 |
4.8L 5.3L 6.0L |
6.2/14.3 | 1.65/3.8 | 9308/9997 | 1425/1525 |
| K15 Luxury Utility Export with hydroboost | LQ4 | 6.0L | 6.8/14.3 | 1.8/3.8 | 9825/10514 | 1425/1525 |