NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
351 reports55,000 miles · Sep 4, 2008
Engine And Engine Cooling
I HAVE A 2002 CHEVY SILVERADO 2500HD WITH A 8.1. TWO MONTHS AGO THE TRUCK JUST STALLED WHILE I WAS DRIVING IT AND THEN IMMEDIATELY RE-STARTED. SINCE THEN THERE HAVE BEEN SEVERAL OCCASIONS WHERE THE TRUCK SIMPLY SHUTS OFF WHILE I AM DRIVING. IT HAS BECOME PROGRESSIVELY DIFFICULT TO RESTART THE ENGINE. I STALLED OUT IN THE MID…
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I HAVE A 2002 CHEVY SILVERADO 2500HD WITH A 8.1. TWO MONTHS AGO THE TRUCK JUST STALLED WHILE I WAS DRIVING IT AND THEN IMMEDIATELY RE-STARTED. SINCE THEN THERE HAVE BEEN SEVERAL OCCASIONS WHERE THE TRUCK SIMPLY SHUTS OFF WHILE I AM DRIVING. IT HAS BECOME PROGRESSIVELY DIFFICULT TO RESTART THE ENGINE. I STALLED OUT IN THE MIDDLE OF AN INTERSECTION THE OTHER DAY AND SAT THERE FOR 2-3 MINUTES TRYING TO START THE TRUCK. THERE SEEMS TO BE NO RHYME OR REASON TO WHEN OR WHY THIS HAPPENS. MY ENGINE LIGHT HAS NEVER BEEN TRIPPED BY THIS PROBLEM. AFTER READING THE TROUBLE CODES AND CONSULTING WITH SEVERAL MECHANICS WE DETERMINED THE PROBLEM TO BE THE CRANK SHAFT POSITION SENSOR. AS I READ THROUGH COMPLAINTS ON THIS WEBSITE I NOTICE THIS IS A FAIRLY COMMON PROBLEM. IT IS ALSO VERY DANGEROUS. WITH THE AMOUNT OF COMPLAINTS AND THE LEVEL OF DANGER ASSOCIATED WITH THIS I WOULD HOPE THIS WOULD BE RECALLED FOR THE SAFETY REASONS. *TR
NHTSA ODI #10240902
100 miles · Aug 26, 2008
Steering
I HAVE A 2002 CHEVY SILVERADO 2500 HD TRUCK WITH 80,000 MILES. THE STEERING WHEEL 'PLAY' HAS BECOME PROGRESSIVELY MORE SLOPPY SINCE I PURCHASED THE NEW TRUCK. IT IS DIFFICULT TO SAFELY REMAIN IN MY DESIGNATED LANE WHEN AT HIGHWAY SPEEDS. THERE IS ABOUT 6-8 DEGREES OF STEERING WHEEL TRAVEL FROM SIDE TO SIDE BEFORE THE FRONT WH…
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I HAVE A 2002 CHEVY SILVERADO 2500 HD TRUCK WITH 80,000 MILES. THE STEERING WHEEL 'PLAY' HAS BECOME PROGRESSIVELY MORE SLOPPY SINCE I PURCHASED THE NEW TRUCK. IT IS DIFFICULT TO SAFELY REMAIN IN MY DESIGNATED LANE WHEN AT HIGHWAY SPEEDS. THERE IS ABOUT 6-8 DEGREES OF STEERING WHEEL TRAVEL FROM SIDE TO SIDE BEFORE THE FRONT WHEELS TURN IN EITHER DIRECTION. ADDITIONALLY, THE STEERING WHEEL COLUMN, STEERING SHAFT, AND INTERMEDIATE SHAFT MAKE CLUNKING NOISES WHILE GOING OVER THE SLIGHTEST BUMP IN THE ROAD, AND WHILE TURNING. THE VIBRATION IS FELT IN THE STEERING WHEEL. IT HAS DONE THIS SINCE THE DAY I PURCHASED IT, AND GROWN PROGRESSIVELY WORSE. MY LOCAL DEALER COULD NOT INITIALLY DIAGNOSE THE PROBLEM (WHILE UNDER WARRANTY). I'VE DISCOVERED A CHEVY SERVICE BULLETIN 02-02-35-006A, WHICH HAS HAD MIXED SUCCESS. ADDITIONALLY, MANY OTHER OWNERS I'VE SPOKEN WITH HAVE HAD IDENTICAL PROBLEMS. (CHEVY SERVICE BULLETIN NO. 00-02-35-003K *JB IDENTIFIES SEVEN DIFFERENT MODELS THAT HAVE THE SAME MECHANICAL PROBLEM.). I AM MOST CONCERNED ABOUT THE POSSIBILITY OF STEERING FAILURE WHILE DRIVING. A RECALL SHOULD BE INITIATED TO REMEDY THIS SAFETY ISSUE. *TR
NHTSA ODI #10239780
14,000 miles · Aug 20, 2008
Service Brakes, Hydraulic
TL*THE CONTACT OWNS A 2002 CHEVROLET SILVERADO 2500. THE CONTACT STATED THAT THE FRONT ROTORS ARE RUSTING. THE REAR ROTORS ALSO RUSTED, BUT THEY WERE REPLACED UNDER WARRANTY. THE CURRENT MILEAGE WAS 27,129 AND FAILURE MILEAGE WAS 14,000. UPDATED 09/29/08. *LJ
NHTSA ODI #10239040
56,463 miles · Aug 18, 2008
Engine And Engine Cooling
TL*THE CONTACT OWNS A 2002 CHEVROLET SILVERADO 2500 HD. THE CONTACT STATED THAT THE CRANK POSITION SENSOR FAILED WHILE DRIVING LESS THAN 55 MPH. THE VEHICLE COMPLETELY LOST POWER AND SHUT OFF. AFTER A FEW MINUTES, THE VEHICLE RESTARTED. THE DEALER REPLACED THE BATTERY CABLE AND STATED THAT THE FAILURE WAS REMEDIED. THE FOLL…
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TL*THE CONTACT OWNS A 2002 CHEVROLET SILVERADO 2500 HD. THE CONTACT STATED THAT THE CRANK POSITION SENSOR FAILED WHILE DRIVING LESS THAN 55 MPH. THE VEHICLE COMPLETELY LOST POWER AND SHUT OFF. AFTER A FEW MINUTES, THE VEHICLE RESTARTED. THE DEALER REPLACED THE BATTERY CABLE AND STATED THAT THE FAILURE WAS REMEDIED. THE FOLLOWING DAY, WHILE DRIVING 10 MPH, THE FAILURE RECURRED. THE DEALER PERFORMED A DIAGNOSTIC AND TOOK THE VEHICLE FOR A TEST DRIVE. THE VEHICLE FAILED AGAIN AND THE DEALER STATED THAT THE CRANKSHAFT SENSOR WAS DEFECTIVE. THEY REPLACED THE CRANKSHAFT POSITION SENSOR. THE FAILURE MILEAGE WAS 56,463 AND CURRENT MILEAGE WAS 64,000. UPDATED 10/16/08 *BF THE CONSUMER STATED THE 2002 MODELS WERE RECALLED FOR THIS PROBLEM. UPDATED 10/21/08. *JB
NHTSA ODI #10238723
86,000 miles · Jul 26, 2008
Service Brakes, Hydraulic
BRAKE LINE FAILURE ON MY 2002 CHEVROLET SILVERADO 2500HD. I WAS VERY FORTUNATE THAT THE LINE BROKE AT HOME WHILE I WAS PARKING MY TRAILER. APPARENTLY THERE IS A MAJOR PROBLEM WITH THE STEEL LINES RUSTING OUT PREMATURELY. IF YOU GO ON THE WEB AND LOOK UP BRAKE LINE FAILURE FOR THIS YEAR VEHICLE, YOU WILL FIND MANY. *TR
NHTSA ODI #10235888
37,000 miles · Jun 11, 2008
Engine And Engine Cooling
WE OWN A 2002 CHEVROLET SILVERADO LS 2500 HD WITH ALLISON TRANS. & VORTEC 8100 8.1 LITER V8 ENGINE. THE CHECK-ENGINE LIGHT WAS COMING ON, THE ENGINE RAN ROUGH, AND SOMETIMES STALLED COMPLETELY, USUALLY AFTER STARTING UP FROM A STOP. OUR DEALER REPLACED THE CRANK SENSOR AND WE HAVE HAD NO PROBLEMS SINCE. HOWEVER, WE RECENTLY H…
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WE OWN A 2002 CHEVROLET SILVERADO LS 2500 HD WITH ALLISON TRANS. & VORTEC 8100 8.1 LITER V8 ENGINE. THE CHECK-ENGINE LIGHT WAS COMING ON, THE ENGINE RAN ROUGH, AND SOMETIMES STALLED COMPLETELY, USUALLY AFTER STARTING UP FROM A STOP. OUR DEALER REPLACED THE CRANK SENSOR AND WE HAVE HAD NO PROBLEMS SINCE. HOWEVER, WE RECENTLY HEARD (AND FOUND INFORMATION ON YOUR WEBSITE) THAT 29 OF 2001 CHEVY OR GMC MODELS HAD A RECALL FOR CRANK SENSORS (NHTSA #EA06016). IS AN INVESTIGATION UNDER WAY FOR THE 2002 MODELS? WHO DO WE NEED TO CONTACT? *TR
NHTSA ODI #10230729
160,000 miles · Jun 11, 2008
Service Brakes, Hydraulic
BRAKE LINES FROM THE MASTER CYLINDER TO THE ABS CONTROL UNIT AND FROM THE ABS CONTROL UNIT TO THE FRONT WHEEL BRAKES ARE RUSTED THROUGH. THIS OCCURRED ON JUNE 9, 2008. THE VEHICLE IS ONLY SIX YEARS OLD AND THE BRAKE LINE SHOULD NOT RUST THROUGH THAT QUICKLY. THIS IS A DANGEROUS CONDITION AS ALL OF THE BRAKE FLUID IS PUMPED OUT O…
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BRAKE LINES FROM THE MASTER CYLINDER TO THE ABS CONTROL UNIT AND FROM THE ABS CONTROL UNIT TO THE FRONT WHEEL BRAKES ARE RUSTED THROUGH. THIS OCCURRED ON JUNE 9, 2008. THE VEHICLE IS ONLY SIX YEARS OLD AND THE BRAKE LINE SHOULD NOT RUST THROUGH THAT QUICKLY. THIS IS A DANGEROUS CONDITION AS ALL OF THE BRAKE FLUID IS PUMPED OUT OF THE MASTER CYLINDER AND YOU THEN LOSE ALL BRAKING ON THE VEHICLE. *TR
NHTSA ODI #10230577
60,000 miles · Jun 2, 2008
StructureFire
DASHBOARD STARTING TO PEEL, VEHICLE IS HAS ALWAYS BEEN GARAGE KEPT, NOT DRIVEN TO WORK AND LEFT OUT IN SUN ALL DAY ON REGULAR BASIS. PEELS LIKE IT HAS A THIN MEMBRANE ON THE OUTSIDE AND IT IS MOLTING. *TR
NHTSA ODI #10229516
110,000 miles · May 16, 2008
Engine And Engine Cooling
CRANKSHAFT POSITION SENSOR IS OPERATING INTERMITTENTLY CAUSING VEHICLE STALLING DURING NORMAL DRIVING. THIS FAILURE IS SO FAR RANDOM AND MAY OR MAY NOT OCCUR EACH TIME THE VEHICLE IS DRIVEN. NO SES LIGHT ACCOMPANIES THIS FAILURE. SO FAR ENGINE WILL RESTART AFTER 10-15 SECONDS WITH KEY OFF. THIS FAILURE SEEMS SIMILAR TO NHTSA…
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CRANKSHAFT POSITION SENSOR IS OPERATING INTERMITTENTLY CAUSING VEHICLE STALLING DURING NORMAL DRIVING. THIS FAILURE IS SO FAR RANDOM AND MAY OR MAY NOT OCCUR EACH TIME THE VEHICLE IS DRIVEN. NO SES LIGHT ACCOMPANIES THIS FAILURE. SO FAR ENGINE WILL RESTART AFTER 10-15 SECONDS WITH KEY OFF. THIS FAILURE SEEMS SIMILAR TO NHTSA CAMPAIGN # 07V521000 ADDRESSING THE SAME ISSUE ON THE PREVIOUS MODEL YEAR OF THIS VEHICLE. THIS FAILURE HAS BEEN ONGOING FOR THE PAST SEVERAL MONTHS AND SEEMS TO BE OCCURRING MORE FREQUENTLY LATELY. *TR
NHTSA ODI #10227980
999,999 miles · Apr 1, 2008
Engine And Engine Cooling
2002 CHEVROLET SILVERADO EQUIPPED WITH DURAMAX DIESEL ENGINE, FUEL INJECTOR BODIES CRACKED FILLING ENGINE CRANK CASE WITH DIESEL FUEL. I FOUND THE CONDITION BEFORE ANY DAMAGE COULD OCCUR. IF THIS CONDITION WAS NOT CAUGHT LIKE I DID, THE FUEL IN THE OIL WOULD OVER FLOW FROM THE ENGINE CRANK CASE AND SPRAY UNDER THE VEHICLE POTENT…
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2002 CHEVROLET SILVERADO EQUIPPED WITH DURAMAX DIESEL ENGINE, FUEL INJECTOR BODIES CRACKED FILLING ENGINE CRANK CASE WITH DIESEL FUEL. I FOUND THE CONDITION BEFORE ANY DAMAGE COULD OCCUR. IF THIS CONDITION WAS NOT CAUGHT LIKE I DID, THE FUEL IN THE OIL WOULD OVER FLOW FROM THE ENGINE CRANK CASE AND SPRAY UNDER THE VEHICLE POTENTIALLY CAUSING A FIRE. VEHICLE WAS TAKEN TO CHEVROLET DEALERSHIP WHERE THE FUEL INJECTORS ARE BEING REPLACED BY A SPECIAL CAMPAIGN. DEALER WAS RELUCTANT TO REPLACE FUEL INJECTORS DUE TO NOT MEETING ALL CONDITIONS MANDATED BY GM. GM HAS EXTENDED WARRANTY FOR THIS PROBLEM TO 7 YEARS OR 200K MILES, BUT HAS NOT DONE A RECALL. THESE FUEL INJECTORS HAVE AN EXTREMELY HIGH FAILURE RATE AND MANY LEAK FUEL INTO THE CRANK CASE WHICH COULD BE A POTENTIAL FIRE HAZARD. *TR
NHTSA ODI #10223083
NHTSA investigations
4EA07013 · Trailer Hitch Receiver Failure
Opened Sep 14, 2007 · Closed Sep 12, 2008
Status: closed (inferred from source dates) · Trailer Hitches
COMPLAINT REPORTS ALLEGE POOR WELD QUALITY AND/OR BENDING OF THE SUBJECT VEHICLE ORIGINAL EQUIPMENT TRAILER HITCH RECEIVER.THE AGENCY'S INVESTIGATION INCLUDED ANALYSIS OF MANUFACTURER AND AGENCY INCIDENT REPORTS, REVIEW OF POLICE REPORTS, ANALYSIS OF THE AGENCY'S FATAL ANALYSIS REPORTING SYSTEM, A VEHICLE OWNER SURVEY, INSPECTION OF TOW VEHICLES/HITCHES AND ANALYSIS OF FAILED PARTS.INCIDENTS OF WELD FAILURE WERE RARE AND ASSOCIATED WITH VERY LOW-SPEED DRIVING (TURNING, BACKING AND SUDDEN STOPPING).INCIDENTS OF BENDING WERE ASSOCIATED WITH IMPROPER TRAILER HITCH ADJUSTMENT OR OVERLOADING. A SAFETY-RELATED DEFECT HAS NOT BEEN IDENTIFIED AT THIS TIME AND FURTHER USE OF AGENCY RESOURCES DOES NOT APPEAR TO BE WARRANTED.ACCORDINGLY, THIS INVESTIGATION IS CLOSED.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT A SAFETY-RELATED DEFECT DOES NOT EXIST.THE AGENCY WILL MONITOR THIS ISSUE AND RESERVES THE RIGHT TO TAKE FURTHER ACTION IF WARRANTED BY THE CIRCUMSTANCES.SEE DOCUMENT SEARCH FILE FOR ADDITION INFORMATION.
PE07025 · Trailer Hitch Receiver Failure
Opened May 14, 2007 · Closed Sep 14, 2007
Status: closed (inferred from source dates) · Trailer Hitches
GM PROVIDED ADDITIONAL DATA REGARDING ALLEGATIONS OF FAILURE OF THE TRAILER HITCH.ODI REVIEWED THAT AS WELL AS OTHER DATA PROVIDED BY PEER MANUFACTURERS.BASED ON OUR REVIEW, ODI FINDS THE NEED TO FURTHER INVESTIGATE THIS ISSUE.THIS PRELIMINARY EVALUATION IS UPGRADED TO AN ENGINEERING ANALYSIS (EA07-013) FOR FURTHER ASSESSMENT AND STUDY OF THIS ISSUE.
EA04012 · Hydraulic Pump Failres
Opened Apr 30, 2004 · Closed Feb 28, 2005
Status: closed (inferred from source dates) · Service Brakes, Hydraulic:power Assist; Steering:hydraulic Power Assist System
GM IS CONDUCTING A RECALL ON ALL SUBJECT VEHICLES BUILD BETWEEN MAY 1999 AND OCTOBER 14, 1999.SIGNIFICANT CHANGES WERE INCORPORATED INTO PRODUCTION IN EARLY OCTOBER 1999, AND VEHICLES BUILT AFTER THAT DATE HAVE LOWER WARRANTY FAILURE RATES.THE COMPLAINT AND WARRANTY DATA APPEAR TO SUPPORT THE EFFECTIVENESS OF THESE CHANGES. GM MADE ADDITIONAL CHANGES IN NOVEMBER 1999, FEBRUARY 2000, MAY 2001, AND FEBRUARY 2004.ODI WILL CONTINUE TO MONITOR THIS PROBLEM AND WILL TAKE FURTHER ACTION, IF WARRANTED, IN THE FUTURE.FOR FURTHER TECHNICAL DETAILS SEE THE ATTACHED ENGINEERING ANALYSIS REPORT.
Additional source detail variants (2)
Service Brakes, Hydraulic:power Assist
GM IS CONDUCTING A RECALL ON ALL SUBJECT VEHICLES BUILD BETWEEN MAY 1999 AND OCTOBER 14, 1999.SIGNIFICANT CHANGES WERE INCORPORATED INTO PRODUCTION IN EARLY OCTOBER 1999, AND VEHICLES BUILT AFTER THAT DATE HAVE LOWER WARRANTY FAILURE RATES.THE COMPLAINT AND WARRANTY DATA APPEAR TO SUPPORT THE EFFECTIVENESS OF THESE CHANGES. GM MADE ADDITIONAL CHANGES IN NOVEMBER 1999, FEBRUARY 2000, MAY 2001, AND FEBRUARY 2004.ODI WILL CONTINUE TO MONITOR THIS PROBLEM AND WILL TAKE FURTHER ACTION, IF WARRANTED, IN THE FUTURE.FOR FURTHER TECHNICAL DETAILS SEE THE ATTACHED ENGINEERING ANALYSIS REPORT.
Steering:hydraulic Power Assist System
GM IS CONDUCTING A RECALL ON ALL SUBJECT VEHICLES BUILD BETWEEN MAY 1999 AND OCTOBER 14, 1999.SIGNIFICANT CHANGES WERE INCORPORATED INTO PRODUCTION IN EARLY OCTOBER 1999, AND VEHICLES BUILT AFTER THAT DATE HAVE LOWER WARRANTY FAILURE RATES.THE COMPLAINT AND WARRANTY DATA APPEAR TO SUPPORT THE EFFECTIVENESS OF THESE CHANGES. GM MADE ADDITIONAL CHANGES IN NOVEMBER 1999, FEBRUARY 2000, MAY 2001, AND FEBRUARY 2004.ODI WILL CONTINUE TO MONITOR THIS PROBLEM AND WILL TAKE FURTHER ACTION, IF WARRANTED, IN THE FUTURE.FOR FURTHER TECHNICAL DETAILS SEE THE ATTACHED ENGINEERING ANALYSIS REPORT.
PE04004 · Hydraulic Pump Shaft Failures
Opened Jan 8, 2004 · Closed Apr 30, 2004
Status: closed (inferred from source dates) · Service Brakes, Hydraulic; Service Brakes, Hydraulic:power Assist; Service Brakes, Hydraulic:power Assist:hydraulic; Steering:hydraulic Power Assist System; Steering:hydraulic Power Assist:pump
THE PRELIMINARY EVAULATION IS BEING UPGRADED.DURING THE EA ODI WILL LIMITITS INVESTIGATION TO ONLY THOSE VEHICLES EQUIPPED WITH A HYDRO-BOOST SYSTEM, WHICH PROVIDES POWER ASSIST TO THE BRAKING AND STEERING SYTEMS.VACCUUM BRAKE BOOSTER VEHICLES ARE EXCLUDED.ODI HASEXPANDED THE SCOPE OF THE EA TO INCLUDE MODEL YEARS2003 AND 2004, ASDURING THE PE, ODI LEARNED THAT THE HYDROBOAST PUMPS WERE MODIFIED IN FEBRAURY 2004.THEREFORE,ODI HAS EXPANDED THE SCOPE TO INCLUDE THE ADDITIONAL MODEL YEARS.ODI'S IS CONCERNED BECAUSE THISISA SUDDEN FAILURE THAT AFFECTS TWO CRITICAL SYSTEMS OF THE VEHICLE, BRAKES AND STEERING, AT THE SAME TIME.THE ABILITY OF THE OPERATOR TO HANDLE THE DUAL FAILURES IS A CONCERN. FURTHER, THESE VEHICLES TEND TO BE WORK VEHICLES, WITH SOME OVER 10,000 POUNDS GVWR AND MANY EQUIPPED TO PULL LARGE TRAILERS.DUAL FAILURES OF HEAVILY LOADED VEHICLES AND VEHICLES PULLING TRAILERS FURTHER INCREASES THE SAFETY RISK.ODI PLANS TO CONDUCT TESTING TO QUANTIFY THE BRAKING AND STEERING PERFORMANCE DEGRADATION AND THE IMPACT ON SAFE VEHICLE CONTROL, WHEN A HYDROBOAST PUMP FAILS.
Additional source detail variants (5)
Service Brakes, Hydraulic
THE PRELIMINARY EVAULATION IS BEING UPGRADED.DURING THE EA ODI WILL LIMITITS INVESTIGATION TO ONLY THOSE VEHICLES EQUIPPED WITH A HYDRO-BOOST SYSTEM, WHICH PROVIDES POWER ASSIST TO THE BRAKING AND STEERING SYTEMS.VACCUUM BRAKE BOOSTER VEHICLES ARE EXCLUDED.ODI HASEXPANDED THE SCOPE OF THE EA TO INCLUDE MODEL YEARS2003 AND 2004, ASDURING THE PE, ODI LEARNED THAT THE HYDROBOAST PUMPS WERE MODIFIED IN FEBRAURY 2004.THEREFORE,ODI HAS EXPANDED THE SCOPE TO INCLUDE THE ADDITIONAL MODEL YEARS.ODI'S IS CONCERNED BECAUSE THISISA SUDDEN FAILURE THAT AFFECTS TWO CRITICAL SYSTEMS OF THE VEHICLE, BRAKES AND STEERING, AT THE SAME TIME.THE ABILITY OF THE OPERATOR TO HANDLE THE DUAL FAILURES IS A CONCERN. FURTHER, THESE VEHICLES TEND TO BE WORK VEHICLES, WITH SOME OVER 10,000 POUNDS GVWR AND MANY EQUIPPED TO PULL LARGE TRAILERS.DUAL FAILURES OF HEAVILY LOADED VEHICLES AND VEHICLES PULLING TRAILERS FURTHER INCREASES THE SAFETY RISK.ODI PLANS TO CONDUCT TESTING TO QUANTIFY THE BRAKING AND STEERING PERFORMANCE DEGRADATION AND THE IMPACT ON SAFE VEHICLE CONTROL, WHEN A HYDROBOAST PUMP FAILS.
Service Brakes, Hydraulic:power Assist
THE PRELIMINARY EVAULATION IS BEING UPGRADED.DURING THE EA ODI WILL LIMITITS INVESTIGATION TO ONLY THOSE VEHICLES EQUIPPED WITH A HYDRO-BOOST SYSTEM, WHICH PROVIDES POWER ASSIST TO THE BRAKING AND STEERING SYTEMS.VACCUUM BRAKE BOOSTER VEHICLES ARE EXCLUDED.ODI HASEXPANDED THE SCOPE OF THE EA TO INCLUDE MODEL YEARS2003 AND 2004, ASDURING THE PE, ODI LEARNED THAT THE HYDROBOAST PUMPS WERE MODIFIED IN FEBRAURY 2004.THEREFORE,ODI HAS EXPANDED THE SCOPE TO INCLUDE THE ADDITIONAL MODEL YEARS.ODI'S IS CONCERNED BECAUSE THISISA SUDDEN FAILURE THAT AFFECTS TWO CRITICAL SYSTEMS OF THE VEHICLE, BRAKES AND STEERING, AT THE SAME TIME.THE ABILITY OF THE OPERATOR TO HANDLE THE DUAL FAILURES IS A CONCERN. FURTHER, THESE VEHICLES TEND TO BE WORK VEHICLES, WITH SOME OVER 10,000 POUNDS GVWR AND MANY EQUIPPED TO PULL LARGE TRAILERS.DUAL FAILURES OF HEAVILY LOADED VEHICLES AND VEHICLES PULLING TRAILERS FURTHER INCREASES THE SAFETY RISK.ODI PLANS TO CONDUCT TESTING TO QUANTIFY THE BRAKING AND STEERING PERFORMANCE DEGRADATION AND THE IMPACT ON SAFE VEHICLE CONTROL, WHEN A HYDROBOAST PUMP FAILS.
Service Brakes, Hydraulic:power Assist:hydraulic
THE PRELIMINARY EVAULATION IS BEING UPGRADED.DURING THE EA ODI WILL LIMITITS INVESTIGATION TO ONLY THOSE VEHICLES EQUIPPED WITH A HYDRO-BOOST SYSTEM, WHICH PROVIDES POWER ASSIST TO THE BRAKING AND STEERING SYTEMS.VACCUUM BRAKE BOOSTER VEHICLES ARE EXCLUDED.ODI HASEXPANDED THE SCOPE OF THE EA TO INCLUDE MODEL YEARS2003 AND 2004, ASDURING THE PE, ODI LEARNED THAT THE HYDROBOAST PUMPS WERE MODIFIED IN FEBRAURY 2004.THEREFORE,ODI HAS EXPANDED THE SCOPE TO INCLUDE THE ADDITIONAL MODEL YEARS.ODI'S IS CONCERNED BECAUSE THISISA SUDDEN FAILURE THAT AFFECTS TWO CRITICAL SYSTEMS OF THE VEHICLE, BRAKES AND STEERING, AT THE SAME TIME.THE ABILITY OF THE OPERATOR TO HANDLE THE DUAL FAILURES IS A CONCERN. FURTHER, THESE VEHICLES TEND TO BE WORK VEHICLES, WITH SOME OVER 10,000 POUNDS GVWR AND MANY EQUIPPED TO PULL LARGE TRAILERS.DUAL FAILURES OF HEAVILY LOADED VEHICLES AND VEHICLES PULLING TRAILERS FURTHER INCREASES THE SAFETY RISK.ODI PLANS TO CONDUCT TESTING TO QUANTIFY THE BRAKING AND STEERING PERFORMANCE DEGRADATION AND THE IMPACT ON SAFE VEHICLE CONTROL, WHEN A HYDROBOAST PUMP FAILS.
Steering:hydraulic Power Assist:pump
THE PRELIMINARY EVAULATION IS BEING UPGRADED.DURING THE EA ODI WILL LIMITITS INVESTIGATION TO ONLY THOSE VEHICLES EQUIPPED WITH A HYDRO-BOOST SYSTEM, WHICH PROVIDES POWER ASSIST TO THE BRAKING AND STEERING SYTEMS.VACCUUM BRAKE BOOSTER VEHICLES ARE EXCLUDED.ODI HASEXPANDED THE SCOPE OF THE EA TO INCLUDE MODEL YEARS2003 AND 2004, ASDURING THE PE, ODI LEARNED THAT THE HYDROBOAST PUMPS WERE MODIFIED IN FEBRAURY 2004.THEREFORE,ODI HAS EXPANDED THE SCOPE TO INCLUDE THE ADDITIONAL MODEL YEARS.ODI'S IS CONCERNED BECAUSE THISISA SUDDEN FAILURE THAT AFFECTS TWO CRITICAL SYSTEMS OF THE VEHICLE, BRAKES AND STEERING, AT THE SAME TIME.THE ABILITY OF THE OPERATOR TO HANDLE THE DUAL FAILURES IS A CONCERN. FURTHER, THESE VEHICLES TEND TO BE WORK VEHICLES, WITH SOME OVER 10,000 POUNDS GVWR AND MANY EQUIPPED TO PULL LARGE TRAILERS.DUAL FAILURES OF HEAVILY LOADED VEHICLES AND VEHICLES PULLING TRAILERS FURTHER INCREASES THE SAFETY RISK.ODI PLANS TO CONDUCT TESTING TO QUANTIFY THE BRAKING AND STEERING PERFORMANCE DEGRADATION AND THE IMPACT ON SAFE VEHICLE CONTROL, WHEN A HYDROBOAST PUMP FAILS.
Steering:hydraulic Power Assist System
THE PRELIMINARY EVAULATION IS BEING UPGRADED.DURING THE EA ODI WILL LIMITITS INVESTIGATION TO ONLY THOSE VEHICLES EQUIPPED WITH A HYDRO-BOOST SYSTEM, WHICH PROVIDES POWER ASSIST TO THE BRAKING AND STEERING SYTEMS.VACCUUM BRAKE BOOSTER VEHICLES ARE EXCLUDED.ODI HASEXPANDED THE SCOPE OF THE EA TO INCLUDE MODEL YEARS2003 AND 2004, ASDURING THE PE, ODI LEARNED THAT THE HYDROBOAST PUMPS WERE MODIFIED IN FEBRAURY 2004.THEREFORE,ODI HAS EXPANDED THE SCOPE TO INCLUDE THE ADDITIONAL MODEL YEARS.ODI'S IS CONCERNED BECAUSE THISISA SUDDEN FAILURE THAT AFFECTS TWO CRITICAL SYSTEMS OF THE VEHICLE, BRAKES AND STEERING, AT THE SAME TIME.THE ABILITY OF THE OPERATOR TO HANDLE THE DUAL FAILURES IS A CONCERN. FURTHER, THESE VEHICLES TEND TO BE WORK VEHICLES, WITH SOME OVER 10,000 POUNDS GVWR AND MANY EQUIPPED TO PULL LARGE TRAILERS.DUAL FAILURES OF HEAVILY LOADED VEHICLES AND VEHICLES PULLING TRAILERS FURTHER INCREASES THE SAFETY RISK.ODI PLANS TO CONDUCT TESTING TO QUANTIFY THE BRAKING AND STEERING PERFORMANCE DEGRADATION AND THE IMPACT ON SAFE VEHICLE CONTROL, WHEN A HYDROBOAST PUMP FAILS.
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