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2000-2006 Chevrolet Suburban Hydroboost Cylinder Replacement

Introduction

If you find that your steering wheel is whining when turning, or it is hard to turn while parked, it may be because your Hydroboost is worn. About 100-200$ online, or cheaper at a pick-a-part yard, this is a simple fix. Allow 1-4 hours depending on skill and tools. Usually the problem is an O ring, which is a 12$ part, but it is quite tedious to fix in the first place.

Ce dont vous avez besoin

  1. 2000-2006 Chevrolet Suburban Hydroboost Cylinder Replacement, Hydroboost Cylinder: étape 1, image 1 de 1

    • Open the hood, locate the brake fluid reservoir. Right under that is the Hydroboost device.

    Modifier

  2. 2000-2006 Chevrolet Suburban Hydroboost Cylinder Replacement: étape 2, image 1 de 1

    • Use a box wrench or crescent wrench to take the two nuts off that connect the Hydroboost (against the firewall) to the brake system.

    Modifier

  3. 2000-2006 Chevrolet Suburban Hydroboost Cylinder Replacement: étape 3, image 1 de 1

    • Use a pair of pliers or clamps to pull one of the power steering tubes off. It may leak, but keep a rag nearby.

    Modifier

  4. 2000-2006 Chevrolet Suburban Hydroboost Cylinder Replacement: étape 4, image 1 de 1

    • Use a crescent wrench to take off the output line of the power steering. There is a O ring inside, be careful not to get debris inside.

    Modifier

  5. 2000-2006 Chevrolet Suburban Hydroboost Cylinder Replacement: étape 5, image 1 de 1

    • Use a 5/8” wrench to pull last feeder tube for power steering. Again be cautious of dirt and debris.

    Modifier

  7. 2000-2006 Chevrolet Suburban Hydroboost Cylinder Replacement: étape 6, image 1 de 1

    • Everything should be free, so pull brake system away. Be careful not to put pressure on brake lines as they can break. Keep debris away from this too.

    Modifier

  8. 2000-2006 Chevrolet Suburban Hydroboost Cylinder Replacement: étape 7, image 1 de 2 2000-2006 Chevrolet Suburban Hydroboost Cylinder Replacement: étape 7, image 2 de 2

    • Inside there are four bolts. They are tight fits, but use a deep socket to take them off.

    • The white plastic sensor that connects to your brake pedal slides off after pulling the metal tab on the pedal. Use an O ring pick for best results

    Modifier

  9. 2000-2006 Chevrolet Suburban Hydroboost Cylinder Replacement: étape 8, image 1 de 1

    • Once everything inside and out is free, pull the Hydroboost out revealing the hole in the firewall.

    Modifier

  10. 2000-2006 Chevrolet Suburban Hydroboost Cylinder Replacement: étape 9, image 1 de 1

    • Left is old, right is new. It might be good to clean both up. It may be required to transfer bolts between the two.

    • Regarding the Hydroboost and Brake bolts, there are reverse threads. So lefty tighty, righty loosey.

    Modifier

    • From now on, you will want to reverse steps 1-9. This is a direct replacement, so no variables exist.

    Modifier

  12. 2000-2006 Chevrolet Suburban Hydroboost Cylinder Replacement: étape 11, image 1 de 1

    • Replace hoses if needed, but odds are they can attach on tightly.

    • Make sure the brake sensor is on straight, and it is advised to put it together as one, not as two.

    Modifier

  13. 2000-2006 Chevrolet Suburban Hydroboost Cylinder Replacement: étape 12, image 1 de 1

    • Once Hydroboost is in securely, attach Mounting plate between Hydroboost and Brake System. Tighten, and double check hoses.

    Modifier

  14. 2000-2006 Chevrolet Suburban Hydroboost Cylinder Replacement: étape 13, image 1 de 1

    • It may be required to attach trim pieces inside of taken off for access. Very simple, two 7/16 bolts.

    Modifier
Conclusion

To reassemble your device, follow these instructions in reverse order.
One of the critical things is to make sure the linkage to the brake pedal to the Hydroboost and the sensor are lined up correctly.

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Michael

Membre depuis le 06/30/21

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