2004 GMC SIERRA RECALL - #05V043000
		RECALL FOR SERVICE BRAKES, HYDRAULIC
		
        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. 
		
		
		Information provided by the 
National Highway Traffic Safety Administration.
        
		
        
		
		
		
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        Recall Details
		
			
				
					
						
							| Vehicle | 
							2004 GMC SIERRA | 
							
								
							 | 
						 
						
							| Manufacturer | 
							GENERAL MOTORS CORP. | 
						 
						
							| Manufactured between | 
							2/1/2004 - 8/31/2004 | 
						 
						
							| Recalled on | 
							2/8/2005 | 
						 
						
							| Influenced by | 
							GENERAL MOTORS CORP. | 
						 
						
							| Owners Notified on | 
							3/23/2005 | 
						 
						
							| # Affected | 
							77,411 | 
						 
						
							| Recalled for | 
							SERVICE BRAKES, HYDRAULIC | 
						 
						
							 | 
							
								 
							 | 
						 
						
							| Description | 
							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.  | 
						 
						
							| Consequences | 
							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. | 
						 
						
							| Corrective action | 
							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. | 
						 
						
							| Notes | 
							GM RECALL NO. 05006.CUSTOMERS MAY ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S VEHICLE SAFETY HOTLINE AT 1-888-327-4236 (TTY 1-800-424-9153), OR GO TO HTTP://WWW.SAFERCAR.GOV. | 
						 
						
							| See also | 
							
								
									
										2004 GMC SIERRA Recall for SERVICE BRAKES, HYDRAULIC
									
									
  
									
										2004 GMC SIERRA Recall for STRUCTURE, BODY, TAILGATE, HINGE AND ATTACHMENTS
									
									
  
									
										2004 GMC SIERRA Recall for SEAT BELTS, FRONT, ANCHORAGE
									
									
  
									
										2004 GMC SIERRA Recall for PARKING BRAKE
									
									
  
									
										2004 GMC SIERRA Recall for SEAT BELTS, REAR/OTHER
									
									
  
									
										2004 GMC SIERRA Recall for ENGINE AND ENGINE COOLING
									
									
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							| Technical Service Bulletins | 
							
								
										Aug 15, 2017 - 021700 SUSPENSION:FRONT:HUB 
										This Preliminary Information communication provides information to the technician about vehicles that have grease leaking from front hub bearings. Technician should not replace the bearing for grease purge. Technician should be advised to n
									
  
										Aug 15, 2017 - 030000 BRAKES (PWS) 
										This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn.
									
  
										Aug 15, 2017 - 030000 SERVICE BRAKES, HYDRAULIC 
										This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn.
									
  
										Aug 15, 2017 - 031000 SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES 
										This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn.
									
  
										Aug 15, 2017 - 060000 ENGINE (PWS) 
										This informational bulletin provides information on close coupled converters and there affect on newly installed engines or engines during there break in period.
									
								
  
								View all Technical Service Bulletins 
								 
								
								 
								
                                 
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