Install or Connect
Tools Required:
J 7079-2 Driver Handle
J 22670 Shaft Oil Seal Installer
J 25033-B Power Steering Pump Pulley Installer
* Apply Loctite pipe sealant GM P/N 1052080, or equivalent, to return tube-to-power steering pump housing fitting.
1. Return tube to power steering pump housing aligning matchmarks; tap lightly with a rubber mallet to seat.
2. Flow control spring, control valve assembly and power steering pressure pipe union bolt, with new O-ring, to power steering pump housing. Coat O-ring with power steering gear and pump fluid GM P/N 1050017, or equivalent, prior to installation.
FIGURE 12:
NOTICE: THE CONTROL VALVE ASSEMBLY MUST BE PROPERLY ORIENTED FOR PROPER INSTALLATION TO PREVENT DAMAGE TO THE POWER STEERING PUMP. REFER TO FIGURE 12 FOR PROPER CONTROL VALVE ASSEMBLY INSTALLATION.
FIGURE 13:
* Power steering pressure pipe union bolt to 75 N-m (55 lb.ft.).
3. Sleeve assembly, with new O-ring, to power steering pump housing using a J 7079-2 and a rubber mallet (Figure 13). Tap lightly to seat.
* Remove pump assembly from vise, invert and remount into vise with drive shaft side of pump facing down.
4. Dowel (short) pin to power steering pump housing.
5. New O-ring to pressure plate. Coat O-ring with power steering gear and pump fluid GM P/N 1050017, or equivalent.
FIGURE 14:
6. Pressure plate spring and pressure plate to power steering pump housing aligning matchmarks (Figure 14).
7. Two pump ring dowel pins to holes in pressure plate.
8. Pump ring to power steering pump housing.
IMPORTANT
* Make sure that the pump ring is properly aligned in the pump housing.
9. Rotor to power steering pump housing.
FIGURE 15:
IMPORTANT
* The rotor must be installed with the counterbore facing the drive shaft end of the housing (Figure 15) .
10. Vanes to rotor.
* Apply power steering gear and pump fiuid GM P/N 1050017, or equivalent, to a new thrust plate O-ring.
11. New thrust plate O-ring to power steering pump housing.
12. Thrust plate and retaining ring to power steering pump housing; align thrust plate-to-housing matchmarks.
* Remove pump assembly from vise.
FIGURE 16:
* Using a press, seat thrust plate into power steering pump housing; secure with retaining ring (Figure 16).
* Mount pump assembly into vise with drive shaft side facing up.
FIGURE 17:
13. Drive shaft seal to power steering pump housing using a J 22670 and a hammer (Figure 17).
* Coat drive shaft with power steering gear and pump fluid GM P/N 1050017, or equivalent.
* Using a pick, or other suitable tool, center the rotor inside the pump ring.
14. Drive shaft to power steering pump housing; rotate the drive shaft to mesh the gear teeth with the rotor.
* Seat the drive shaft using a 30 mm socket and a hammer.
FIGURE 18:
15. Drive shaft snap ring with the flat side towards the drive shaft bearing (Figure 18).
FIGURE 19:
16. Pulley hub to power steering pump assembly using a J 25033-B (Figure 19).
* Remove pump assembly from vise.
17. Power steering pump drive pulley to pulley hub; secure with three bolts.