No power steering nor brakes

Tiny
JOEL SANFORD
  • MEMBER
  • 2004 CHEVROLET AVALANCHE
  • 5.3L
  • V8
  • 2WD
  • 149,000 MILES
I have no power steering and no brakes. Does the power steering develop the vacuum for the hydraulic assist brake?
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Monday, June 25th, 2018 AT 9:11 AM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good morning.

Do you have a diesel engine?

The power steering pump provides pressure to the hydro boost and the steering gear. If the pump fails, you will lose both.

The first thing I would do is to flush the system completely with at least a gallon of fluid to get any debris out of the system. If that does not work, then it may be the pump.

Roy

Removal Procedure:

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1. Remove the power steering pulley.
2. Raise the vehicle.
3. Remove the oil pan skid plate bolts.
4. Remove the oil pan skid plate from the vehicle, if equipped.

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5. Place a drain pan under the vehicle.
6. Remove the power steering pressure hose (2) from the power steering pump from underneath the vehicle.
7. Lower the vehicle.

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8. Remove the clamps (3, 5) retaining the power steering return hoses to the power steering pump and remove the hoses.
9. Remove the lower intermediate shaft from the steering gear.

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10. Remove the bolt retaining the rear bracket to the engine.
11. Remove the bolts from the front of the pump.
12. Remove the pump from the vehicle.
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Tuesday, June 26th, 2018 AT 5:34 AM

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