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2002 Chevrolet Silverado 2500

Owner reports · Recalls · Investigations

More warning signs than most Silverado 2500 years

Owner complaints for the 2002 Chevrolet Silverado 2500 are substantially higher than the model-year median of 81.

About this comparison →

When problems were reported

Mileage at the reported incident

307 reports with mileage · 44 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 117 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Service Brakes. Review the 88 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine And Engine Cooling. Review the 43 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

21 crash reports6 fire reports7 injury reports

What owners actually said

351 reports
68,000 miles · Apr 1, 2008
Engine And Engine Cooling

WHILE DRIVING UNDER NORMAL HIGHWAY CONDITIONS, THE ENGINE HAS STALLED THREE TIMES IN TWO WEEKS. THIS CAUSES A LOSS OF POWER STEERING AND POWER BRAKES. AT THIS POINT I HAVE BEEN ABLE TO SAFELY PULL OFF OF THE ROAD, AS IT HAS NOT OCCURRED DURING CONGESTED TRAFFIC. WHILE SEARCHING THE DATABASE I FOUND SIMILAR FAILURES OF 2001 8.1L…

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WHILE DRIVING UNDER NORMAL HIGHWAY CONDITIONS, THE ENGINE HAS STALLED THREE TIMES IN TWO WEEKS. THIS CAUSES A LOSS OF POWER STEERING AND POWER BRAKES. AT THIS POINT I HAVE BEEN ABLE TO SAFELY PULL OFF OF THE ROAD, AS IT HAS NOT OCCURRED DURING CONGESTED TRAFFIC. WHILE SEARCHING THE DATABASE I FOUND SIMILAR FAILURES OF 2001 8.1L ENGINES THAT WERE RECALLED TO REPLACE THE CRANKSHAFT POSITION SENSOR. *TR

NHTSA ODI #10223047

40,600 miles · Mar 30, 2008
Tires

MY TIRE TREAD CAME COMPLETELY OFF AS I WAS GOING 70MPH ON FLORIDA TURNPIKE YESTERDAY, ALMOST CAUSING AN ACCIDENT, AND RIPPED MY WHOLE PLASTIC DUST PROTECTOR, (NOT SURE OF PROPER NAME) OFF. TIRES ARE FIRESTONE STEELEX AT LT 245/75/R16 WHICH HAD 40,000MILES, BUT SHOWED VERY LITTLE WEAR. AAA CAME AND GOT ME ON THE ROAD AGAIN, BU…

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MY TIRE TREAD CAME COMPLETELY OFF AS I WAS GOING 70MPH ON FLORIDA TURNPIKE YESTERDAY, ALMOST CAUSING AN ACCIDENT, AND RIPPED MY WHOLE PLASTIC DUST PROTECTOR, (NOT SURE OF PROPER NAME) OFF. TIRES ARE FIRESTONE STEELEX AT LT 245/75/R16 WHICH HAD 40,000MILES, BUT SHOWED VERY LITTLE WEAR. AAA CAME AND GOT ME ON THE ROAD AGAIN, BUT WAS REALLY A FRIGHTENING EXPERIENCE. ANY OTHER COMPLAINTS ON THESE TIRES? THESE WERE THE ORIGINAL TIRES ON MY CHEVY SILVERADO WHICH I BOUGHT NEW, AND HAVE MAINTAINED FAITHFULLY. *TR

NHTSA ODI #10222724

92,000 miles · Feb 13, 2008
Fuel System, Gasoline

FAILURE OF ENGINE DUE TO FUEL INJECTORS. *TR

NHTSA ODI #10217978

125,000 miles · Feb 13, 2008
Fuel System, Other

FUEL LEAK - FUEL CONSUMPTION - LACK OF POWER - SMOKING - HARD TO START - NO ACCELERATING POWER. I HAVE SINCE STARTED SOME RESEARCH ON THIS ISSUE AND COME TO FIND OUT THAT THERE HAS BEEN MULTIPLE ENGINE RECALLS IN MY SAME CLASS FROM THE SAME MANUFACTURING COMPANY, HOWEVER MY VIN# HAS NOT BEEN RECALLED YET. I HAVE LODGED A FORMA…

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FUEL LEAK - FUEL CONSUMPTION - LACK OF POWER - SMOKING - HARD TO START - NO ACCELERATING POWER. I HAVE SINCE STARTED SOME RESEARCH ON THIS ISSUE AND COME TO FIND OUT THAT THERE HAS BEEN MULTIPLE ENGINE RECALLS IN MY SAME CLASS FROM THE SAME MANUFACTURING COMPANY, HOWEVER MY VIN# HAS NOT BEEN RECALLED YET. I HAVE LODGED A FORMAL COMPLAINT WITH THE BBB AND HAVE ADDRESSED MY CONCERNS DIRECTLY WITH GM HOWEVER THEY HAVE NOT TAKEN ANY ACTION TO RESOLVE THIS ISSUE BEFORE IT HURTS OR KILLS SOMEONE. *TR

NHTSA ODI #10217966

126,800 miles · Feb 3, 2008
Service Brakes, Hydraulic

2002 SILVERADO K2500HD, ANTILOCK BRAKES ENGAGE UNDER 15 MPH. HAVE DONE THIS EVERYTIME I STOPPED SINCE I BOUGHT IT 1/11/08. I AM TOLD THERE IS NO RECALL ON MY TRUCK, JUST THE 1500 SILVERADO. TRUCK IS DOING THE SAME THING AS THE RECALL FOR THE SMALLER TRUCK. *TR

NHTSA ODI #10216787

Mileage unknown · Jan 26, 2008
Parking Brake

PARKING BRAKE ON 2002 SILVERADO 2500 PICKUP FAILS TO HOLD. POTENTIAL FOR ROLL AWAY CAUSING ACCIDENT WITH POTENTIAL FOR BODILY HARM. *TR

NHTSA ODI #10216169

135,000 miles · Jan 14, 2008
Service Brakes, HydraulicStructure

CHEVROLET SILVERADO 2002 AND OTHERS HAVE A SERIOUS BRAKE LINE RUST OUT CONDITION. THIS CAN CAUSE LOSS OF BRAKES AND CRASH. THE LINES SHOULD NOT RUST OUT ON 6 YEARS. *TR

NHTSA ODI #10214747

90,000 miles · Jan 13, 2008
Engine And Engine Cooling

VEHICLE STALLS SUDDNLY WHILE DRIVING. NO DEFINITE PATTERN TO THE STALLING. STALLS AT LEAST ONCE A DAY. HAS BEEN OCCURING FOR ABOUT THE LAST YEAR TO YEAR AND A HALF. WILL PULL OVER, WAIT ANYWHERE BETWEEN 5-20MIN AND THE VEHICLE WIL START AGAIN. *TR

NHTSA ODI #10214638

78,000 miles · Jan 7, 2008
Engine And Engine Cooling

JUST REGARDING GM RECALL NO. 06083 ALL 2001 SILVERADO @500/3500 HD MODELS WITH THE 8.1L GAS ENGINES: ALL THE CRANKSHAFT SENSORS ARE TO BE RECALLED IN THAT YEAR ONLY WHEN THE PROBLEM EXIST IN ALL 8.1L ENGINES UP TO 2006. I HAD A 900 DOLLAR BILL FROM A DEALERSHIP TO TRY AND FIX THIS PROBLEM AND THEN THE PROBLEM WASN'T EVEN SOLV…

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JUST REGARDING GM RECALL NO. 06083 ALL 2001 SILVERADO @500/3500 HD MODELS WITH THE 8.1L GAS ENGINES: ALL THE CRANKSHAFT SENSORS ARE TO BE RECALLED IN THAT YEAR ONLY WHEN THE PROBLEM EXIST IN ALL 8.1L ENGINES UP TO 2006. I HAD A 900 DOLLAR BILL FROM A DEALERSHIP TO TRY AND FIX THIS PROBLEM AND THEN THE PROBLEM WASN'T EVEN SOLVED. I BOUGHT THE PART MYSELF AND INSTALLED IT MYSELF. I FEEL THAT ALL YEARS SHOULD BE RECALLED. THIS IS A SERIOUS PROBLEM BECAUSE THE ENGINE WOULD FAIL WHILE DRIVING DOWN THE ROAD A HIGHWAY SPEEDS. THANKS *TR

NHTSA ODI #10214058

50,000 miles · Oct 30, 2007
Service Brakes, Hydraulic

THE BRAKE PROBLEM OCCURS AT SLOW SPEEDS AND THE ANTI-LOCK BRAKES ENGAGE AT THE WRONG TIME, REQUIRING A GREATER DISTANCE TO STOP. *TR

NHTSA ODI #10207460

Official recalls

1

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

4

EA07013 · 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.