How do I remove the old power steering pump?
I HAVE A 1997 CHEVY TRUCK THAT NEEDS A NEW POWER STEERING PUMP. HOW DO i REMOVE THE OLD ONE?
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Marianne Helmer, here is what the manual says:"
POWER STEERING PUMP Removal
NOTE: DO NOT discharge A/C system.
1. Place drain pan under steering pump assembly. Disconnect return and feed lines from steering pump. Cap ends of lines and steering pump fittings.
2. Remove upper radiator fan shroud. Unload power steering pump belt tensioner (if equipped). Remove power steering pump belt. Remove bracket mounting nuts, and remove bracket (if equipped). Using Pulley Remover (J-25034-B), remove pulley from pump shaft. Remove pump mounting bolts and remove pump.
Installation (All Models)
To install, reverse removal procedure. Use Pulley Installer (J-25033-B) to install pulley. Install pulley flush with end of pump shaft plus or minus .010" (.25 mm). Tighten bolts and nuts to specification. See TORQUE SPECIFICATIONS table. Fill reservoir (if necessary). Bleed air from system.
Here is what autozone.com says :" Disconnect the hoses at the pump. When the hoses are disconnected, secure the ends in a raised position to prevent leakage. Cap the ends of the hoses to prevent the entrance of dirt.
Cap the pump fittings.
Loosen the belt tensioner.
Remove the pump drive belt.
Remove the pulley with a pulley puller such as J-29785-A.
Remove the following fasteners:
6-4.3L, 8-5.0L, 8-5.7L engines: front mounting bolts
8-7.4L engine: rear brace
8-6.2L/6.5L diesel: front brace and rear mounting nuts
Lift out the pump.
Observe the following torques:
6-4.3L, 8-5.0L, 8-5.7L engines, front mounting bolts: 37 ft. lbs. (50 Nm)
8-7.4L engine, rear brace nut: 61 ft. lbs. (82 Nm); rear brace bolt: 24 ft. lbs. (32 Nm); mounting bolts: 37 ft. lbs. (50 Nm)
8-6.2L/6.5L diesel, front brace: 30 ft. lbs. (40 Nm); rear mounting nuts: 17 ft. lbs. (23 Nm).
Install the pulley with J-25033-B.
Install the drive belt.
Install the hoses.
Fill and bleed the system.
BLEEDING THE HYDRAULIC SYSTEM
The procedures for maintaining, adjusting, and repairing the power steering systems and components discussed in this chapter are to be done only after determining that the steering linkages and front suspension systems are correctly aligned and in good condition. All worn or damaged parts should be replaced before attempting to service the power steering system. After correcting any condition that could affect the power steering, do the preliminary tests of the steering system components.
Fill the reservoir to the proper level and let the fluid remain undisturbed for at least 2 minutes.
Start the engine and run it for only about 2 seconds.
Add fluid as necessary.
Repeat Steps 1-3 until the level remains constant.
Raise the front of the vehicle so that the front wheels are off the ground. Set the parking brake and block both rear wheels front and rear. Manual transmissions should be in Neutral; automatic transmissions should be in Park.
Start the engine and run it at approximately 1500 rpm.
Turn the wheels (off the ground) to the right and left, lightly contacting the stops.
Add fluid as necessary.
Lower the vehicle and turn the wheels right and left on the ground.
Check the level and refill as necessary.
If the fluid is extremely foamy, let the truck stand for a few minutes with the engine off and repeat the procedure. Check the belt tension and check for a bent or loose pulley. The pulley should not wobble with the engine running.
Check that no hoses are contacting any parts of the truck, particularly sheet metal.
Check the oil level and refill as necessary. This step and the next are very important. When willing, follow Steps 1-10 above
Check for air in the fluid. Aerated fluid appears milky. If air is present, repeat the above operation. If it is obvious that the pump will not respond to bleeding after several attempts, a pressure test may be required.
Hope this helps, good luck.
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