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2002 GMC Sierra 3500

Owner reports · Recalls · Investigations

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There is not enough comparable history to draw a useful model-year comparison.

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What owners reported most

All reported categories

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

Limited mileage data: 14 of 20 reports include usable mileage. There isn’t enough coverage to show a useful chart.

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Service Brakes. Review the 4 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Fuel/propulsion System. Review the 3 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Parking Brake. Review the 3 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

3 crash reports1 fire reports1 injury reports

What owners actually said

20 reports
120,000 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…

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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 …

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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…

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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 …

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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…

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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 …

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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…

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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…

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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

Official recalls

2

04V562000 · Equipment Adaptive/mobility

Nov 26, 2004

ON CERTAIN VANS EQUIPPED WITH SURE-LOK WHEELCHAIR SECUREMENT SYSTEMS, THE SPROCKET TEETH OF THE RETRACTOR ASSEMBLY IS OUT OF ALIGNMENT.

Consequence & remedy

Consequence: IN THE EVENT OF A VEHICLE CRASH, THE WHEELCHAIR MAY NOT BE ADEQUATELY SECURED POSSIBLY RESULTING IN INJURIES TO A WHEELCHAIR OCCUPANT.

Remedy: DEALERS WILL INSPECT AND REPLACE THE WHEELCHAIR SECUREMENT RETRACTORS AS NECESSARY. SURE-LOK WILL HANDLE THE REPAIRS FOR THIS CAMPAIGN. OWNERS SHOULD CONTACT SURE-LOCK AT 1-908-231-1804 OR MOBILITYWORKS AT 1-800-769-8267.

01V220000 · Interior Lighting

Jun 26, 2001

VEHICLE DESCRIPTION: CERTAIN PICKUP TRUCKS EQUIPPED WITH 6.6L DIESEL ENGINES FAIL TO COMPLY WITH REQUIREMENTS OF FMVSS NO. 105, "HYDRAULIC AND ELECTRIC BRAKE SYSTEMS." THESE VEHICLES HAVE A BRAKE SYSTEM WARNING LIGHT IN THE INSTRUMENT CLUSTER THAT MAY NOT ILLUMINATE WHEN THE BRAKE FLUID IS LOW. IN ADDITION, WHEN THE BRAKE FLUID IS LOW, THE VEHICLE MAY NOT MEET THE PARTIAL SYSTEM REQUIREMENTS OF FMVSS NO. 105.

Consequence & remedy

Consequence: THESE CONDITIONS COULD RESULT IN REDUCED BRAKING CAPABILITY, WHICH COULD LEAD TO A CRASH.

Remedy: DEALERS WILL CHANGE THE LOCATION OF A WIRE CONNECTION IN THE UNDERHOOD BUSSED ELECTRICAL CENTER. OWNER NOTIFICATION BEGAN JULY 9, 2001. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT CHEVROLET AT 1-800-222-1020 OR GMC AT 1-800-462-8782.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

1

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.