GMC Yukon 2000–2006
Common on this vehicle:
Possible causes
The documents say what to doOnly records name itThe size of a node, the width of a link and the numbers are records matching this search, not likelihoods.
FaultCrate・GMC Yukon 2000–2006・Electrical, wiring and power
Candidate cause (the documents say what to do)
Brake pedal moves or self applies at full steering lock (Hydro-Boost)
During full-lock or near full-lock turns the brake pedal may move down or self apply.
The cause may be the internal dump valve of the hydro-boost not seating properly because of contamination in the steering system.
What to do
- The Hydro-Boost system is not serviceable and must be replaced.
Caution: Before replacing the Hydro-Boost, the entire steering system (pump, lines, cooler, gear box) must be flushed to avoid a recurrence.
What is needed
- Parts and materials
- Hydro-Boost (not serviceable; replaced)
- The entire steering system (recommended if the vehicle returns with the same concern within 20k miles (= 32,187 km) of the previous repair)
- Labor time
- Not stated
- Special tools
- Not stated
- Scan tool
- Not stated
Only what the technical documents state. "Not stated" does not mean not needed.
In the records
- Hydro-Boost: replaced 1
See the evidence (1 technical documents, 1 records)
Passages of the technical documents
The model table lists Yukon from 2001 to 2004.
Yukon 2001 2004
General Motors (published by NHTSA) 2023-08-18
The bulletin applies to vehicles equipped with the Hydro-Boost brake system.
Equipped With Hydro-Boost Brake System
General Motors (published by NHTSA) 2023-08-18
During full-lock or near full-lock turns the brake pedal may move down or self apply.
customers may notice during full lock turns or near full lock turns that the brake pedal will move down or self apply.
General Motors (published by NHTSA) 2023-08-18
The cause may be the internal dump valve of the hydro-boost not seating properly because of contamination in the steering system.
The cause of the condition may be the internal dump valve of the hydro-boost not seating properly due to contamination in the steering system.
General Motors (published by NHTSA) 2023-08-18
Records
- Hydro-Boost brake system service information Manufacturer communication 2023-06-13
A cause or a result a complaint states is the owner’s view or what a dealer told them, not an established fact.
Put together by FaultCrate from public records and technical documents. The cause and the repair are for the workshop to decide with the vehicle in front of it. Counts are records, not failure rates.