2004 GMC SIERRA RECALL - #04V045000
		RECALL FOR SERVICE BRAKES, HYDRAULIC
		
        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.    
		
		
		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 | 
							5/1/2003 - 6/30/2003 | 
						 
						
							| Recalled on | 
							2/6/2004 | 
						 
						
							| Influenced by | 
							GENERAL MOTORS CORP. | 
						 
						
							| Owners Notified on | 
							6/18/2004 | 
						 
						
							| # Affected | 
							68,875 | 
						 
						
							| Recalled for | 
							SERVICE BRAKES, HYDRAULIC | 
						 
						
							 | 
							
								 
							 | 
						 
						
							| Description | 
							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.     | 
						 
						
							| Consequences | 
							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.     | 
						 
						
							| Corrective action | 
							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.   | 
						 
						
							| Notes | 
							GM RECALL NO. 04004.CUSTOMERS CAN ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S AUTO SAFETY HOTLINE AT 1-888-DASH-2-DOT (1-888-327-4236). | 
						 
						
							| See also | 
							
								
									
										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 SERVICE BRAKES, HYDRAULIC
									
									
  
									
										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 | 
							
								
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										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.
									
								
  
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