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2000 Chevrolet Silverado 2500

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 2000 Chevrolet Silverado 2500 do not stand out strongly from the model-year median of 81.

About this comparison →

When problems were reported

Mileage at the reported incident

98 reports with mileage · 34 unknown

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, Hydraulic. Review the 53 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Service Brakes. Review the 25 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Steering. Review the 15 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

9 crash reports4 fire reports3 injury reports

Service Brakes complaints

25 reports
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105,000 miles · Nov 14, 2020
Service BrakesSteering

STEERING LOCKED UP BRAKE QUIT WORKING. IN MOTION

NHTSA ODI #11374695

325,400 miles · Jul 26, 2019
Service Brakes

TL* THE CONTACT OWNS A 2000 CHEVROLET SILVERADO 2500. WHILE DRIVING 30 MPH, THE VEHICLE TOOK A LONG TIME TO SLOW DOWN WHEN THE BRAKE PEDAL WAS DEPRESSED. ON ANOTHER OCCASION, WHEN BARELY DEPRESSING THE BRAKE PEDAL, THE VEHICLE COMPLETELY STOPPED, CAUSING THE CONTACT TO JERK FORWARD. THE CONTACT ASSOCIATED THE FAILURE WITH NHTSA …

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TL* THE CONTACT OWNS A 2000 CHEVROLET SILVERADO 2500. WHILE DRIVING 30 MPH, THE VEHICLE TOOK A LONG TIME TO SLOW DOWN WHEN THE BRAKE PEDAL WAS DEPRESSED. ON ANOTHER OCCASION, WHEN BARELY DEPRESSING THE BRAKE PEDAL, THE VEHICLE COMPLETELY STOPPED, CAUSING THE CONTACT TO JERK FORWARD. THE CONTACT ASSOCIATED THE FAILURE WITH NHTSA CAMPAIGN NUMBER: 05V379000 (SERVICE BRAKES, HYDRAULIC). THERE WERE NO WARNING INDICATORS ILLUMINATED. AN INDEPENDENT MECHANIC WAS UNABLE TO DUPLICATE THE FAILURE. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE DEALER WAS NOT CONTACTED. THE MANUFACTURER WAS INFORMED OF THE FAILURE. THE FAILURE MILEAGE WAS 325,400. *BF *TR

NHTSA ODI #11235095

Mileage unknown · Aug 8, 2017
Service BrakesSteeringUnknown Or Other

STEERING PROBLEM. POWER STEERING GOES OUT WHEN SLOW DOWN. CHEVROLET IS VERY AWARE OF THE PROBLEM AND THERE IS CURRENTLY A RECALL ON THE LATER MODEL VEHICLES. THE 2000 WE HAVE IS VERY DANGEROUS AND WE HAVE REPORTED IT NUMEROUSE TIMES AND WONDER HOW MANY TRAGIC ACCIDENTS HAVE TO HAPPEN BEFORE IT IS CORRECTED?

NHTSA ODI #11013624

180,000 miles · Jun 22, 2017
Service Brakes

I AM UNHAPPY THAT GM MADE A RECALL FOR THE PROBLEM MY SILVERADO IS EXHIBITING HOWEVER SINCE I DO NOT LIVE IN THE NEIGHBORING STATE I CANNOT HAVE MY PROBLEM FIXED. I ALSO LIVE IN THE "SALT BELT" BEING IN KANSAS, I LIVE 20 MILES FROM THE STATE OF MO. I AM HAVING THE EXACT PROBLEM AS THE RECALL - 05V379000. I WISH I KNEW WHO I COUL…

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I AM UNHAPPY THAT GM MADE A RECALL FOR THE PROBLEM MY SILVERADO IS EXHIBITING HOWEVER SINCE I DO NOT LIVE IN THE NEIGHBORING STATE I CANNOT HAVE MY PROBLEM FIXED. I ALSO LIVE IN THE "SALT BELT" BEING IN KANSAS, I LIVE 20 MILES FROM THE STATE OF MO. I AM HAVING THE EXACT PROBLEM AS THE RECALL - 05V379000. I WISH I KNEW WHO I COULD CONTACT TO AID ME IN SOLVING THIS PROBLEM. IT SOUNDS LIKE THIS RESULTS IN A CRASH DUE TO CONSTANT CORROSION. IF YOU LOOK AT STATISTICS OF KANSAS CITY. WE ARE EQUIVALENT TO KANSAS CITY MO. I'M FEELING VERY FRUSTRATED ABOUT THIS.

NHTSA ODI #11000727

73,000 miles · Nov 5, 2016
Service Brakes

WHEN COMING TO A STOP SIGN I APPLIED THE BRAKES AND THE PEDAL WENT TO THE FLOOR. I WAS ABLE TO STEER INTO A PARKING LOT AND COASTED TO A STOP. I HAD NO BRAKES FRONT OR REAR. WHEN I STOPPED AT THE PREVIOUS STOP SIGN THE BRAKES WORKED AS USUAL. AFTER HAVING THE PICKUP TOWED TO A REPAIR SHOP I WAS TOLD AND SHOWN THAT THE BRAKE LIN…

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WHEN COMING TO A STOP SIGN I APPLIED THE BRAKES AND THE PEDAL WENT TO THE FLOOR. I WAS ABLE TO STEER INTO A PARKING LOT AND COASTED TO A STOP. I HAD NO BRAKES FRONT OR REAR. WHEN I STOPPED AT THE PREVIOUS STOP SIGN THE BRAKES WORKED AS USUAL. AFTER HAVING THE PICKUP TOWED TO A REPAIR SHOP I WAS TOLD AND SHOWN THAT THE BRAKE LINES AT THE FRAME BEHIND THE LEFT TIRE HAD RUSTED THROUGH. THIS FAILURE CAME WITH NO WARNING AND AT NO TIME DID THE DASH BRAKE LIGHT COME ON.

NHTSA ODI #10924450

62,900 miles · Aug 9, 2016
Service Brakes

I WAS DRIVING APPROX. 25 MPH WITHIN 100 FT. TOWARD A RED LIGHT. A TRUCK PULLING A TRAILER PULLED ACROSS THE ROAD IN FRONT OF ME. I PRESSED ON THE BRAKE PEDAL. THE PEDAL HELD FOR A SECOND AND THEN QUICKLY DROPPED TO THE FLOOR. I WAS ABLE TO SWERVE TO THE RIGHT OF THE TRUCK, MISSING IT AND PUSHED THE EMERGENCY BRAKE. REALIZING I E…

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I WAS DRIVING APPROX. 25 MPH WITHIN 100 FT. TOWARD A RED LIGHT. A TRUCK PULLING A TRAILER PULLED ACROSS THE ROAD IN FRONT OF ME. I PRESSED ON THE BRAKE PEDAL. THE PEDAL HELD FOR A SECOND AND THEN QUICKLY DROPPED TO THE FLOOR. I WAS ABLE TO SWERVE TO THE RIGHT OF THE TRUCK, MISSING IT AND PUSHED THE EMERGENCY BRAKE. REALIZING I ENCOUNTERED TOTAL BRAKE FAILURE I CAUTIOUSLY DROVE THE TRUCK INTO A MCDONALD'S PARKING LOT AT THE CORNER. THERE WAS NO BRAKE WARNING LIGHT COME ON. I LOOKED UNDER THE TRUCK. ON THE DRIVERS SIDE UNDER THE DRIVERS DOOR THE UNDERSIDE WAS SOAKED WITH BRAKE FLUID. WHERE THE 4 BRAKELINES ARE BUNDLED TOGETHER DIRECTLY ON THE FRAME UNDER THE DRIVERS DOOR, ONE OF THE BRAKE LINES HAS A SPLIT IN IT. THE TRUCK IS PRESENTLY BEING EVALUATED FOR REPAIR.

NHTSA ODI #10894645

216,563 miles · Nov 25, 2014
Service Brakes

TL* THE CONTACT OWNS A 2000 CHEVROLET SILVERADO 2500. WHILE ENTERING THE DRIVEWAY, THE BRAKE PEDAL SANK TO THE FLOOR. AFTER INSPECTING THE VEHICLE, THE CONTACT INDICATED THAT THE BRAKE LINES RUSTED TO THE POINT OF CORROSION AND FRACTURED. ALSO, THE CONTACT NOTICED THE PRESENCE OF BRAKE FLUID LEAKING FROM THE VEHICLE. THE CONTACT…

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TL* THE CONTACT OWNS A 2000 CHEVROLET SILVERADO 2500. WHILE ENTERING THE DRIVEWAY, THE BRAKE PEDAL SANK TO THE FLOOR. AFTER INSPECTING THE VEHICLE, THE CONTACT INDICATED THAT THE BRAKE LINES RUSTED TO THE POINT OF CORROSION AND FRACTURED. ALSO, THE CONTACT NOTICED THE PRESENCE OF BRAKE FLUID LEAKING FROM THE VEHICLE. THE CONTACT WAS ABLE TO PARK THE VEHICLE. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO REPLACED ALL FOUR BRAKE LINES. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 216,563.

NHTSA ODI #10660885

38,632 miles · Jul 8, 2014
Service Brakes

MY OLDEST SON WAS DRIVING MY 2000 CHEVY 2500 PICKUP TRUCK WHEN THE BRAKE PEDAL ALMOST WENT ALL THE WAY TO THE FLOOR OF THE TRUCK. HE NARROWLY MISSED REAR ENDING THE CAR IN FRONT OF HIM. HE WAS ABLE TO DRIVE VERY SLOWLY HOME WITH A VERY MUSHY FEELING BRAKE PEDAL. WHEN I INSPECTED THE TRUCK I FOUND THAT THE BRAKE LINES HAD RUSTED …

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MY OLDEST SON WAS DRIVING MY 2000 CHEVY 2500 PICKUP TRUCK WHEN THE BRAKE PEDAL ALMOST WENT ALL THE WAY TO THE FLOOR OF THE TRUCK. HE NARROWLY MISSED REAR ENDING THE CAR IN FRONT OF HIM. HE WAS ABLE TO DRIVE VERY SLOWLY HOME WITH A VERY MUSHY FEELING BRAKE PEDAL. WHEN I INSPECTED THE TRUCK I FOUND THAT THE BRAKE LINES HAD RUSTED SO BAD THE BRAKE LINE HAD RUPTURED AND WAS LEAKING FLUID UNDER THE DRIVERS SIDE DOOR. *JS

NHTSA ODI #10609072

208,500 miles · Apr 5, 2014
Service Brakes

I HAD JUST PICKED UP A TRAILER AT U HAUL AND WAS DRIVING DOWN THE HILL IN FRONT OF THEIR STORE TO FINISH SIGNING THE PAPERWORK. AT THE BOTTOM OF THE HILL I BEGAN TO APPLY THE BRAKES AND THE BRAKE PEDAL WENT TO THE FLOOR. I CAME CLOSE TO RUNNING INTO THE U HAUL BUILDING BUT THE TRUCK FINALLY STOPPED JUST IN TIME. I PUT THE TRUCK …

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I HAD JUST PICKED UP A TRAILER AT U HAUL AND WAS DRIVING DOWN THE HILL IN FRONT OF THEIR STORE TO FINISH SIGNING THE PAPERWORK. AT THE BOTTOM OF THE HILL I BEGAN TO APPLY THE BRAKES AND THE BRAKE PEDAL WENT TO THE FLOOR. I CAME CLOSE TO RUNNING INTO THE U HAUL BUILDING BUT THE TRUCK FINALLY STOPPED JUST IN TIME. I PUT THE TRUCK IN PARK AND GOT OUT TO SEE WHAT HAPPENED. I WENT TO THE FRONT OF THE TRUCK, LOOKED UNDER AND SAW NOTHING. I WENT TO THE BACK OF THE TRUCK AND LOOKED UNDER AND THERE WAS FLUID STEADILY DRIPPING AND A HUGE PUDDLE OF BRAKE FLUID UNDER THE TRUCK. I DISCONNECTED THE TRAILER AND CALLED A FRIEND TO PICK ME UP. ONCE I GOT THE TRUCK HOME, I BEGAN SEARCHING FOR THE SOURCE OF THE LEAK (AT THIS POINT I THOUGHT I HAD BUSTED A BRAKE HOSE) I QUICKLY REALIZED THIS WAS NOT A BRAKE HOSE THAT HAD RUPTURED. THE BRAKE LINE THAT RUNS PAST THE GAS TANK AND REAR DIFFERENTIAL WAS RUSTED THROUGH AND HAD A HOLE IN IT. ALL OF THE BRAKE LINES WERE RUSTING IN THE REAR OF THE VEHICLE. I TOOK A PICTURE OF THE LINE WITH THE HOLE AND WENT OFF TO THE CHEVROLET DEALERSHIP. ONCE AT THE DEALERSHIP, I WAS TOLD BY THE YOUNG MAN WORKING THE PARTS COUNTER THAT CHEVROLET DID NOT SELL REPLACEMENT BRAKE LINES. HE TOLD ME THAT I WOULD HAVE TO BUY BULK BRAKE TUBING AND MAKE MY OWN LINES. I LET HIM KNOW THAT THE LINE THAT RUPTURED ON MY TRUCK HAD OVER 20 BENDS ON IT AND THAT THE LAST FOUR BENDS WOULD BE VERY DIFFICULT TO BEND BY HAND. I GOT NOWHERE WITH CHEVROLET ON REPLACEMENT PARTS. I WOUND UP ORDERING NEW STAINLESS STEEL LINES FROM INLINE TUBE. I REPLACED ALL THE BRAKE LINES. WHILE TAKING THE FUEL TANK OUT SO I COULD INSTALL THE NEW BRAKE LINES......IT WAS DISCOVERED THAT ALL OF THE FUEL LINES WERE RUSTING ALSO. I REPLACED THEM AS WELL. CHEVROLET SHOULD NOT BE USING SUBPAR MATERIALS FOR ANYTHING. POOR QUALITY BRAKE AND FUEL LINES WILL GET SOMEONE SERIOUSLY HURT!! SHAME ON CHEVROLET :( *TR

NHTSA ODI #10577548

5,000 miles · Mar 31, 2014
Service BrakesSteering

I HAVE PROBLEMS WITH MY BRAKES AND STEERING WHEN I AM BRAKING AND TURNING RIGHT OR LEFT. THE POWER STEERING COMPLETELY GO OUT . I HAVE TO USE ALL ME STRENGTH TO TURN THE STEERING WHEEL. ONCE YOU COMPLETE THE TURN AND LET OFF THE BRAKE THE POWER STEERING COMES BACK THE STEERING WHEEL JERKS BACK IN PLACE. I HAVE REPLACED THE BOO…

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I HAVE PROBLEMS WITH MY BRAKES AND STEERING WHEN I AM BRAKING AND TURNING RIGHT OR LEFT. THE POWER STEERING COMPLETELY GO OUT . I HAVE TO USE ALL ME STRENGTH TO TURN THE STEERING WHEEL. ONCE YOU COMPLETE THE TURN AND LET OFF THE BRAKE THE POWER STEERING COMES BACK THE STEERING WHEEL JERKS BACK IN PLACE. I HAVE REPLACED THE BOOSTER, SUPPLY LINES ON BRAKES, POWER STEERING PUMP AND SUPPLY LINES AND TRUCK STILLS HAS SAME PROBLEM. THE MECHANICS TELL ME THAT IT IS A DESIGN PROBLEM AND CHEVROLET WILL NOT RECALL AND REPAIR. ALL OWNERS OF THESE TRUCKS NEED HELP AS THIS IS A VERY DANGERS PROBLEM. I HAVE JUST SEEN ON THE NEWS THAT CHEVROLET IS RECALLING A LOT OF VEHICLES AND MY MODEL NEEDS TO BE RECALLED AND REPAIRED ALSO. *TR

NHTSA ODI #10576095

Official recalls

1

00V222000 · Service Brakes, Hydraulic:power Assist:vacuum

Aug 8, 2000

VEHICLE DESCRIPTION: LIGHT DUTY PICKUP TRUCKS AND SPORT UTILITY VEHICLES EQUIPPED WITH VACUUM POWER, 4-WHEEL DISC BRAKES. THESE VEHICLES FAIL TO COMPLY WITH THE REQUIREMENTS OF FMVSS NO. 105, "HYDRAULIC BRAKE SYSTEMS." THESE VEHICLES WERE BUILT WITH A KINKED BRAKE BOOSTER VACUUM SUPPLY HOSE.

Consequence & remedy

Consequence: THESE VEHICLES DO NOT COMPLY WITH REQUIREMENTS OF FMVSS NO. 105.

Remedy: DEALERS WILL RE-ROUTE THE BRAKE BOOSTER VACUUM SUPPLY HOSE.

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

2

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.