NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
20 reports120,000 miles · Apr 22, 2016
Engine
TL* THE CONTACT OWNS A 2002 GMC SIERRA 3500. WHILE OPERATING THE VEHICLE, THE ODOR OF FUEL WAS NOTICEABLE INSIDE THE CABIN. UPON INSPECTION, THE CONTACT DISCOVERED FUEL HAD LEAKED FROM THE VEHICLE ONTO THE GROUND. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO DIAGNOSED THAT THE FUEL INJECTORS NEEDED TO BE REPLACED. THE VE…
Read full complaint
TL* THE CONTACT OWNS A 2002 GMC SIERRA 3500. WHILE OPERATING THE VEHICLE, THE ODOR OF FUEL WAS NOTICEABLE INSIDE THE CABIN. UPON INSPECTION, THE CONTACT DISCOVERED FUEL HAD LEAKED FROM THE VEHICLE ONTO THE GROUND. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO DIAGNOSED THAT THE FUEL INJECTORS NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE VIN WAS NOT AVAILABLE. THE FAILURE MILEAGE WAS 120,000.
NHTSA ODI #10860980
101,000 miles · Oct 30, 2015
Fuel/propulsion SystemService BrakesUnknown Or Other
THIS TRUCK HAS THE SAME PROBLEMS AS THE 2007 MODEL. THE IGNITION SWITCH, PARKING BRAKE, AND FUEL LINES ALL HAVE ISSUES AS SIMILARLY DESCRIBED FOR THE 2007 MODEL. THE FUEL LINES ACTUALLY BROKE THROUGH CAUSING A LEAK OF THE DIESEL FUEL. THIS HAPPENED AFTER THE VEHICLE WAS DRIVEN A SHORT DISTANCE OF 15 MILES.
NHTSA ODI #10787186
85,118 miles · Jun 30, 2015
Fuel/propulsion System
WHILE DRIVING DOWN A VERY BUSY STREET, THE ENGINE DIED. I LOST ALL MY POWER STEERING AND BRAKE. I WAS VERY LUCKY THAT I WAS NOT ON A VERY BUSY HIGHWAY. I HAD IT TOWED TO HEDRICK'S CHEVROLET IN CLOVIS CA. IT TOOK 2 DAYS FOR THEM TO CHECK IT OUT. THEY SAID WHEN THEY WENT TO BRING IT IN TO THE SHOP IT STARTED UP AND THEY COULD …
Read full complaint
WHILE DRIVING DOWN A VERY BUSY STREET, THE ENGINE DIED. I LOST ALL MY POWER STEERING AND BRAKE. I WAS VERY LUCKY THAT I WAS NOT ON A VERY BUSY HIGHWAY. I HAD IT TOWED TO HEDRICK'S CHEVROLET IN CLOVIS CA. IT TOOK 2 DAYS FOR THEM TO CHECK IT OUT. THEY SAID WHEN THEY WENT TO BRING IT IN TO THE SHOP IT STARTED UP AND THEY COULD NOT FIND ANYTHING WRONG WITH IT. I PICKED THE TRUCK UP AND THE NEXT DAY IT DID THE SAME THING AGAIN. I CALLED THE DEALER AND THEY TOLD ME TO PRESS THE PUMP ON THE TOP OF THE FILTER HOUSING UNTIL I COULD NO LONGER PRESS IT. I DID THAT AND IT STARTED UP. BE CAME VERY OBVIOUS THAT THEY WERE AWARE THAT THE FUEL FILTER HOUSING WAS CAUSING THE INJECTION SYSTEM TO LOSE SUCTION I TOOK IT BACK TO THE DEALER AND THEY REPLACED THE FUEL FILTER HOUSING. I HAVE SINCE FOUND OUT THAT THIS FAILURE IS A COMMON FAILURE. EVIDENTLY THERE IS AN O RING IN THE HOUSING AND IT FAILS AND BASED ON FACT THAT THEIR SERVICE PERSON WAS ABLE TO TELL ME HOW TO START THE TRUCK, THEY NEW OF THESE FAILURES AND NEVER TOLD OWNERS ABOUT THIS. ...UPDATED 09/22/15 *BF UPDATED 12/9/2015 *JS
NHTSA ODI #10731304
137,000 miles · Jul 21, 2013
Fuel System, DieselService BrakesSuspension
SLOWING DOWN TO A RED TRAFFIC LIGHT AND BRAKE PEDAL WENT TO THE FLOOR. TRIED TO PUMP BRAKE PEDAL TO GET MORE PRESSURE BUT DID NOT WORK. DROVE OFF ONTO SHOULDER AND GOT IT SLOWED DOWN . DRIVE VERY SLOW WITH HAZARD LIGHTS ON TO GET IT BACK TO MY HOUSE. I WAS ONLY ABOUT A MILE AWAY. GOT HOME AND LOOKED UNDERNEATH TO FIND BRAKE FLUI…
Read full complaint
SLOWING DOWN TO A RED TRAFFIC LIGHT AND BRAKE PEDAL WENT TO THE FLOOR. TRIED TO PUMP BRAKE PEDAL TO GET MORE PRESSURE BUT DID NOT WORK. DROVE OFF ONTO SHOULDER AND GOT IT SLOWED DOWN . DRIVE VERY SLOW WITH HAZARD LIGHTS ON TO GET IT BACK TO MY HOUSE. I WAS ONLY ABOUT A MILE AWAY. GOT HOME AND LOOKED UNDERNEATH TO FIND BRAKE FLUID ALL OVER LEFT REAR WHEELS, FUEL TANK, LEFT REAR SHOCK AND DRIVE AXLE. CONTINUED TO LOOK AT ALL BRAKE LINES AND ALL OF THEM WERE CORRODED BAD. GETTING PRICES ON HAVING ALL BRAKE LINES REPLACED. *TR
NHTSA ODI #10526003
154,163 miles · Feb 11, 2013
Fuel System, DieselFuel/propulsion SystemService Brakes
I FIRST NOTICED THAT THE ANTI-LOCK BRAKES WERE ACTIVATING AT SLOW SPEEDS ( 5-10 MPH ) UNDER DRY ROAD CONDITIONS. THIS WAS PRIOR TO BRAKE LINE INCIDENT ON 4-14-2012 BUT I AM NOT SURE OF EXACT DATE. I RESEARCHED THE ANTI-LOCK BRAKES AND FOUND NHTSA ID CAMPAIGN #05V379000 ACTION # PE05020 BUT THIS DID NOT INCLUDE MY HOME STATE OF …
Read full complaint
I FIRST NOTICED THAT THE ANTI-LOCK BRAKES WERE ACTIVATING AT SLOW SPEEDS ( 5-10 MPH ) UNDER DRY ROAD CONDITIONS. THIS WAS PRIOR TO BRAKE LINE INCIDENT ON 4-14-2012 BUT I AM NOT SURE OF EXACT DATE. I RESEARCHED THE ANTI-LOCK BRAKES AND FOUND NHTSA ID CAMPAIGN #05V379000 ACTION # PE05020 BUT THIS DID NOT INCLUDE MY HOME STATE OF KENTUCKY. HOWEVER, I HAVE BEEN WORKING IN OHIO SINCE THE PURCHASE OF SAID VEHICLE 10-17-2001 TO CURRENT DATE 2-11-2013. ON 4-14-2012 I WAS PREPARING TO TAKE MY BOAT TO FUEL IT . WHILE CHECKING THE TRAILER LIGHTS I STEPPED ON THE BRAKE PEDAL AND IT WENT STRAIGHT TO THE FLOOR. I FOUND THAT THE BRAKE LINE TO THE REAR WHEELS HAD BURST IN HALF AND WAS SEVERELY CORRODED. UPON CLOSER INSPECTION I FOUND THAT ALL THE BRAKE LINES SHOWED SIGNS OF SEVERE CORROISION. ON 2-8-2013 I DISCOVERED THAT DIESEL FUEL WAS LEAKING NEAR THE FUEL TANK AND FUEL COOLER. IT WAS FOUND TO BE A CORRODED RETURN FUEL LINE BETWEEN THE COOLER AND THE FUEL TANK .AGAIN UPON CLOSER INSPECTION ALL FUEL LINES SHOW MODERATE TO SEVERE CORROISION. *TR
NHTSA ODI #10497825
Mileage unknown · Jul 12, 2012
Service Brakes
THIS MORNING I NOTICED THE BRAKE PEDAL TRAVELING DOWN FURTHER THAN NORMAL AND LITTLE TO NO STOPPING POWER. ONCE ARRIVING AT WORK I TRIED TO PUMP THE BRAKE PEDAL AND IT KEPT GOING TO THE FLOOR. UPON LOOKING UNDER THE TRUCK I DISCOVERED A PUDDLE OF BRAKE FLUID. AFTER FURTHER INSPECTION I FOUND ONE OF BRAKE LINES HAD RUSTED THRO…
Read full complaint
THIS MORNING I NOTICED THE BRAKE PEDAL TRAVELING DOWN FURTHER THAN NORMAL AND LITTLE TO NO STOPPING POWER. ONCE ARRIVING AT WORK I TRIED TO PUMP THE BRAKE PEDAL AND IT KEPT GOING TO THE FLOOR. UPON LOOKING UNDER THE TRUCK I DISCOVERED A PUDDLE OF BRAKE FLUID. AFTER FURTHER INSPECTION I FOUND ONE OF BRAKE LINES HAD RUSTED THROUGH AND BLOWN OUT IN FRONT OF THE ABS MODULE. THE GENERAL CONDITION OF ALL THE BRAKE LINES IN THIS AREA IS VERY RUSTY. I WILL LIKELY HAVE TO REPLACE ALL THE BRAKE LINES DUE TO THIS. *TR
NHTSA ODI #10465361
80,000 miles · Jan 19, 2011
Fuel System, GasolineFire
TL* THE CONTACT OWNS A 2002 GMC SIERRA 3500. WHILE DRIVING APPROXIMATELY 65 MPH, THE VEHICLE BEGAN TO SMOKE AND LOSE POWER ABNORMALLY. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER WHERE THE FUEL FILTER WAS REPLACED. THE FAILURE RECURRED IN LESS THAN ONE YEAR. THE VEHICLE WAS TAKEN BACK TO THE DEALER AND THE CONTACT WAS ADVISED …
Read full complaint
TL* THE CONTACT OWNS A 2002 GMC SIERRA 3500. WHILE DRIVING APPROXIMATELY 65 MPH, THE VEHICLE BEGAN TO SMOKE AND LOSE POWER ABNORMALLY. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER WHERE THE FUEL FILTER WAS REPLACED. THE FAILURE RECURRED IN LESS THAN ONE YEAR. THE VEHICLE WAS TAKEN BACK TO THE DEALER AND THE CONTACT WAS ADVISED THAT THERE WERE THREE DEFECTIVE FUEL INJECTORS THAT WOULD NEED REPLACING. THE CONTACT STATED THAT THE VEHICLE WAS PREVIOUSLY REPAIRED UNDER NHTSA CAMPAIGN ID NUMBER: 06E043000 (FUEL SYSTEM, GASOLINE) YET THE REPAIR DID NOT REMEDY THE FAILURE. THE VIN WAS UNAVAILABLE. THE APPROXIMATE FAILURE MILEAGE WAS 80,000 AND THE CURRENT MILEAGE WAS 82,828.
NHTSA ODI #10377169
49,100 miles · Jan 27, 2009
Service Brakes, Hydraulic
TL*THE CONTACT OWNS A 2002 GMC SIERRA 3500. WHILE DRIVING 15 MPH, THE ANTILOCK BRAKE SYSTEM BEGAN TO ACTIVATE IN NORMAL WEATHER CONDITIONS. AS A RESULT, THE BRAKES BEGAN TO TREMBLE. THE VEHICLE WAS TAKEN TO THE DEALER, BUT THEY WERE UNABLE TO DETERMINE THE CAUSE OF THE FAILURE. THE VEHICLE WAS TAKEN TO A LOCAL REPAIR SHOP AN…
Read full complaint
TL*THE CONTACT OWNS A 2002 GMC SIERRA 3500. WHILE DRIVING 15 MPH, THE ANTILOCK BRAKE SYSTEM BEGAN TO ACTIVATE IN NORMAL WEATHER CONDITIONS. AS A RESULT, THE BRAKES BEGAN TO TREMBLE. THE VEHICLE WAS TAKEN TO THE DEALER, BUT THEY WERE UNABLE TO DETERMINE THE CAUSE OF THE FAILURE. THE VEHICLE WAS TAKEN TO A LOCAL REPAIR SHOP AND A TECHNICIAN STATED THAT THERE WAS CORROSION OF THE WHEEL SPEED SENSOR, WHICH CAUSED THE ABS TO ACTIVATE. NO REPAIRS HAVE BEEN MADE. THE MANUFACTURER STATED THAT THE VIN WAS NOT INCLUDED IN THE RECALL AND NO REIMBURSEMENT WOULD BE PROVIDED. THE NHTSA CAMPAIGN ID NUMBER WAS UNKNOWN. THE FAILURE MILEAGE WAS 49,100 AND CURRENT MILEAGE WAS 50,289.
NHTSA ODI #10256455
42,050 miles · Jul 1, 2008
Service Brakes, Hydraulic
MY ABS BRAKES PREVENT MY TRUCK FROM STOPPING AT SLOW SPEEDS. *TR
NHTSA ODI #10232803
78,000 miles · Oct 16, 2007
Air BagsCrash
TL*THE CONTACT OWNS A 2002 GMC 3500. WHILE DRIVING 35 MPH, THE CONTACT SWERVED TO AVOID A DEER AND STRUCK A CONCRETE WALL. NONE OF THE AIR BAGS IN THE VEHICLE DEPLOYED. THE VEHICLE WAS TOWED FROM THE SCENE. THE CONTACT STATED THAT THERE WAS MINOR DAMAGE TO THE VEHICLE. A POLICE REPORT WAS FILED. THE VEHICLE HAS NOT BEEN IN…
Read full complaint
TL*THE CONTACT OWNS A 2002 GMC 3500. WHILE DRIVING 35 MPH, THE CONTACT SWERVED TO AVOID A DEER AND STRUCK A CONCRETE WALL. NONE OF THE AIR BAGS IN THE VEHICLE DEPLOYED. THE VEHICLE WAS TOWED FROM THE SCENE. THE CONTACT STATED THAT THERE WAS MINOR DAMAGE TO THE VEHICLE. A POLICE REPORT WAS FILED. THE VEHICLE HAS NOT BEEN INSPECTED. THE PURCHASE DATE WAS UNKNOWN. THE CURRENT AND FAILURE MILEAGES WERE 78,000.
NHTSA ODI #10205813
NHTSA investigations
1PE04004 · 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.