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2004 GMC Yukon XL SERVICE BRAKES, HYDRAULIC Recalls

2 recalls Highest severity: Critical

All recalls are free to repair at your local dealership. Contact your dealer to schedule service for SERVICE BRAKES, HYDRAULIC issues.

← View all 2004 GMC Yukon XL recalls

SERVICE BRAKES, HYDRAULIC Safety Recalls

Critical #05V043000 Plain English
Component

SERVICE BRAKES, HYDRAULIC

Manufacturer
GENERAL MOTORS CORP.
What Happened
The hydro-boost assembly is a part that helps your brakes work smoothly. In some affected vehicles, the accumulator in this assembly could crack and break off, causing a potential safety issue.
Risk if Unfixed
If this happens while the hood is open, you could get hurt by flying fragments. More importantly, if the accumulator cracks, brake fluid could leak out, making it harder to steer and brake. This could cause a crash without warning.
Free Fix
Your dealer will test the hydro-boost assembly for free, and if it fails, they'll replace it with a new one at no cost to you. Schedule the repair as soon as you get the recall notice.
Show original NHTSA language
Original — What Happened
CERTAIN TRUCKS, SPORT UTILITY VEHICLES, AND VANS EQUIPPED WITH BOSCH HYDRO-BOOST BRAKE ASSEMBLIES, THE HYDRAULIC BRAKE BOOSTER PRESSURE ACCUMULATOR MAY CRACK AND SEPARATE FROM THE HYDRO-BOOST ASSEMBLY DURING NORMAL OPERATING CONDITIONS.
Original — Risk if Unfixed
IF A SEPARATION OCCURRED AND THE HOOD OF THE VEHICLE WERE OPEN, FRAGMENTS FROM THE ACCUMULATOR COULD CAUSE INJURY TO PEOPLE IN THE IMMEDIATE AREA. THE PRESENCE OF THIS CRACK OR FRACTURED SURFACE COULD ALLOW THE HYDRAULIC FLUID TO LEAK FROM THE ACCUMULATOR CIRCUIT OF THE BOOSTER ASSEMBLY. THE LOSS OF FLUID WOULD CAUSE INCREASED STEERING AND BRAKING EFFORT AND A CRASH MAY OCCUR WITHOUT PRIOR WARNING.
Original — Remedy
DEALERS WILL TEST THE HYDRO-BOOST ASSEMBLY FOR FUNCTIONAL OPERATION OF THE TWO-FUNCTION VALVE. IF THE HYDRO-BOOST ASSEMBLY FAILS THE TEST, DEALERS WILL REPLACE THE ASSEMBLY FREE OF CHARGE. THE RECALL BEGAN ON MARCH 23, 2005. OWNERS MAY CONTACT CHEVROLET AT 1-800-630-2438, GMC TRUCKS AT 1-866-996-9463 AND HUMMER AT 1-800-732-5493.
View full recall details → Repairs are free at any authorized dealer. Find a dealer →
Critical #04V045000 Plain English
Component

SERVICE BRAKES, HYDRAULIC

Manufacturer
GENERAL MOTORS CORP.
What Happened
The brake system's hydro-boost housing relief valve is a critical part that helps your vehicle slow down smoothly. In some models, this valve was made with a slightly incorrect shape that could cause problems.
Risk if Unfixed
If the valve's seal breaks, you might feel a bit more resistance when braking or parking. In rare cases, this could make it slightly harder to slow down your vehicle, especially when driving uphill or towing a trailer.
Free Fix
Your authorized dealer will replace the faulty relief valve with a new one at no charge. You'll get a repair notice with instructions on how to schedule the fix.
Show original NHTSA language
Original — What Happened
CERTAIN SPORT UTILITY VEHICLES, PICKUP TRUCKS, AND PASSENGER VANS FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 135, ?PASSENGER CAR BRAKE SYSTEMS.? SOME OF THESE VEHICLES WERE PRODUCED WITH AN OUT-OF-SPECIFICATION BRAKE HYDRO-BOOST HOUSING RELIEF VALVE BORE.
Original — Risk if Unfixed
CONSEQUENTLY, THE VALVE O-RING SEAL MAY FRACTURE. STEERING EFFORTS MAY BE SLIGHTLY INCREASED WHILE BRAKING OR PARKING. UNDER CERTAIN DRIVING CONDITIONS, A FRACTURED SEAL MAY REQUIRE A SLIGHT INCREASE IN THE APPLIED BRAKE PEDAL EFFORT TO ACHIEVE THE SAME VEHICLE DECELERATION RATE AS PRIOR TO THE SEAT FRACTURE.
Original — Remedy
DEALERS ARE TO REPLACE THE HYDRO-BOOST RELIEF VALVE. THE RECALL BEGAN ON JUNE 18, 2004. OWNERS SHOULD CONTACT CADILLAC AT 1-866-982-2339; CHEVROLET AT 1-800-630-2438; GMC AT 1-866-996-9463; OR HUMMER AT 1-866-486-6376.
View full recall details → Repairs are free at any authorized dealer. Find a dealer →

Other GMC Yukon XL 2004 Recalls

ENGINE AND ENGINE COOLING
1 recall
WHEELS
1 recall

Other GMC Yukon XL Years

2013
4 recalls
2012
4 recalls
2011
3 recalls
2010
3 recalls
2009
5 recalls
2008
4 recalls
2007
4 recalls
2006
3 recalls
2005
6 recalls
2003
4 recalls
2002
2 recalls
2001
5 recalls
2000
7 recalls

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