NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
132 reports125,000 miles · Jun 30, 2004
Service Brakes, Hydraulic
I HAVE A 2000 CHEVROLET, SILVERADO 2500 PICKUP TRUCK I BOUGHT NEW. WITH ABOUT 125,000 MILES . 2 MONTHS AGO I STARTED HAVING A PROBLEM. WHEN COMING TO A COMPLETE STOP THE BRAKES GO TO THE FLOOR, MAKE A HORRIBLE NOISE AND THEN THE TRUCK THRUSTS FORWARD. THE PAST TWO MONTHS THIS PROBLEM HAS BEEN VERY SPORATIC. AS FEW AS 3 TIME…
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I HAVE A 2000 CHEVROLET, SILVERADO 2500 PICKUP TRUCK I BOUGHT NEW. WITH ABOUT 125,000 MILES . 2 MONTHS AGO I STARTED HAVING A PROBLEM. WHEN COMING TO A COMPLETE STOP THE BRAKES GO TO THE FLOOR, MAKE A HORRIBLE NOISE AND THEN THE TRUCK THRUSTS FORWARD. THE PAST TWO MONTHS THIS PROBLEM HAS BEEN VERY SPORATIC. AS FEW AS 3 TIMES A WEEK AS MUCH AS 10 TIMES A WEEK. ONE TIME I WAS STOPPING AT A SIDE ROAD WAITING TO ENTER A HIGWAY AND THE TRUCK STOPPED THEN THRUST FORWARD INTO THE TRAFFIC. FORTUNATELY I DID NOT GET HIT BUT CAME CLOSE TO A ACCIDENT. THE WAY TO STOP IT IS BY THROWING IT INTO PARK. YESTERDAY I STOPPED IN FRONT OF A CUSTOMERS GARAGE AND WENT THROUGH THE GARAGE DOOR AS THE TRUCK THRUST FORWARD. I CONTACTED THE CHEVY DEALER AND HAD THE MASTER CYLINDER REPLACED. NO GOOD. THEN WAS TOLD IT WAS THE POWER BOOSTER. NOT THAT. .TODAY THEY SAY IT IS THE SENSOR IN ONE OF THE WHEELS. WILL REPLACE TOMORROW.I DO NOT UNDERSTAND HOW THAT WILL STOP IT FROM THRUSTING FORWARD. I HAVE SPEND MUCH MONEY SENSOR ALONE COSTING 600.00 AND THE GARAGE DOOR 760.00 MY BIGGEST WORRY IS FEAR OF THRUSTING FORWARD WHEN AT A CROSS ROAD. THE CAR DEALERS AND GENERAL MOTORS HOT LINE SAID THEIR IS NO PRIOR REPORT . I HOPE ITS THE SENSORBECAUSE EVERYTIME THIS HAPPENS YOU PANIC . IT IS VERY COSTLY AND COULD COST ME MY LIFE. I ALSO THINK THAT MORE CONCERN FROM THE MANUFACTURER COULD BE TAKEN . I DO NOT KNOW WHAT TO DO IF THIS SENSOR DOES NOT WORK AS THEY SAY THIS IS THE ONLY CODE THAT CAME UP WHEN PUT ON A MACHINE. THEY PUT IT ON THE MACHINE BECAUSE SOMETIMES THE ABS LIGHT COMES ON AND I HAD TO GET IT TO THE DEALER WHEN IT WAS ON AS THEY COULD NOT CHECK IT UNLESS IT WAS ON. THIS WAS DIFFICULT AS THE DEALER IS 30 MINUTES AWAY. IF YOU HAVE EVERY HEARD OF THIS PROBLEM BEFORE I HAVE TO SPEND MORE UNNECESSARY MONIES OR BEFORE I GET HURT. I WOULD APPRECIATE ANY INFORMATION YOU COULD GIVE ME. THANKS RICH . *AK
NHTSA ODI #10079105
Mileage unknown · Jun 25, 2004
Steering
WHILE PULLING OUT OF THE DRIVEWAY STEERING COLUMN FAILED. THIS CAUSED CONSUMER TO LOSE STEERING POWER BECAUSE THE STEERING SHAFT SNAPPED OFF THE PUMP. CONSUMER CONTACTED THE MANUFACTURER. THE DRIVER WILL CONTACT THE DEALER IN THE NEAR FUTURE. *AK
NHTSA ODI #10079987
Mileage unknown · Jun 8, 2004
Engine And Engine Cooling
UPON STARTING THE VEHICLE CONSUMER NOTICED A KNOCKING NOISE COMING FROM THE ENGINE DEPARTMENT WHILE DRIVING FOR 45 SECONDS TO 1 MINUTE EVERYDAY. DEALERSHIP WAS UNABLE TO DETERMINE THE CAUSE. *AK
NHTSA ODI #10075909
130,000 miles · Mar 25, 2004
Steering
WHEN MAKING A RIGHT TURN ONLY, THE STEERING WHEEL DROPPED FROM A 15 DEGREE TURN TO 45 DEGREES. THE DEALERSHIP INDICATED THIS WAS CAUSED BY A FAILURE IN THE STEERING SPEED SENSOR. *JB
NHTSA ODI #10064921
114,000 miles · Feb 4, 2004
Air BagsService Brakes, HydraulicCrash
MY SON REAR ENDED A SEMI-TRACTOR TRAILER TRUCK IN A SNOW STORM LAST WEEK. HE WAS WEARING HIS SEAT BELT. AIR TEMPS PREVIOUS WEEK WERE IN THE -20 TO -40 RANGE. TEMPERATURE AT TIME OF ACCIDENT WAS -15. I RAISE THIS AS INDICATED BELOW. *AK MY CONCERNS ARE: 1. THE AIR BAG DID NOT DEPLOY. THERE WAS $6000 DAMAGE TO OUR 200…
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MY SON REAR ENDED A SEMI-TRACTOR TRAILER TRUCK IN A SNOW STORM LAST WEEK. HE WAS WEARING HIS SEAT BELT. AIR TEMPS PREVIOUS WEEK WERE IN THE -20 TO -40 RANGE. TEMPERATURE AT TIME OF ACCIDENT WAS -15. I RAISE THIS AS INDICATED BELOW. *AK MY CONCERNS ARE: 1. THE AIR BAG DID NOT DEPLOY. THERE WAS $6000 DAMAGE TO OUR 2004 CHEVY K2500 CREW CAB PICK-UP TO INCLUDE GRILL, RADIATOR, BOTH QUARTER PANELS, HOOD, BUMPER AND FORWARD ENGINE COMPONENTS. THE IMPACT SPEED WAS ESTIMATED AT 25 MPH. THAT SHOULD HAVE DEPLOYED THE BAG. I REALIZE THAT THERE WERE NO INJURIES AND MY INSURANCE WOULD HAVE COVERED THE BAG, BUT I THINK (AS DID EVERYONE ELSE WHO HAVE SEEN THE DAMAGE) THAT THE BAG SHOULD HAVE DEPLOYED. 2. ABS SYSTEM FAILED. TRUCK REAR END SLID TO RIGHT TOWARD TRAFFIC. MY SON WAS ABLE TO REGAIN CONTROL. CHOICE OF IMPACT WAS EITHER INTO ON COMING TRAFFIC, OFF ROAD DOWN DEEP HILL INTO FOREST OR REAR END TRUCK. NOTE: OTHER OWNERS IN AREA OF THE 1999-2000 PICK-UP SERIES HAVE ALSO HAD ABS SYSTEM FAILED. LOCAL DEALERS ARE AWARE OF FAILURE AROUND 100,000 MILE MARK BUT SAY THAT IT IS NORMAL. ABS LIGHT IS NOW ON. SIDE NOTE - WE HAVE HAD REPEATED PROBLEMS WITH THIS VEHICLE AND HAVE TAKEN IT TO DIFFERENT DEALERS. PROBLEMS INCLUDE ONGOING SHORT IN ELECTRICAL SYSTEM IN COLD WEATHER, 4 WHEEL DRIVE FAILS TO DISENGAGE ALTHOUGH LIGHT ON DASH SAYS IT HAS (DISCOVERED AT LOCAL REPAIR SHOP), COMPUTER FAILURE ON DEALER INSTALLED EQUIPMENT (NOT COVERED UNDER WARRANTY BECAUSE IT WAS AN OPTION).
NHTSA ODI #10056511
20,000 miles · Feb 2, 2004
Service Brakes, Hydraulic
2000 K2500 PICKUP. HAVE HAD THE BRAKES AND ROTORS REPLACED TWICE AND NOW NEEDS A 3RD TIME. TRUCK ONLY HAS 40,000 MILES AND CAN NOT KEEP BRAKES AND ROTORS ON IT. THE SECOND TIME THE DEALER FINALLY TOLD ME GM HAD A PROBLEM WITH THESE BRAKE ISSUES AND NOW ARE GIVING ME THE RUN AROUND TO GET THE BRAKES DONE THE 3RD TIME. *JB
NHTSA ODI #10056367
Mileage unknown · Nov 4, 2003
Tires
THREAD SEPARATION ON THREE OF FOUR ORIGINAL EQUIPMENT LT245/75R16 STEEL TEX A/T 10PLY TIRES 2REPLACED 6-02 1 REPLACED 11-03 FIRESTONE DEALER RECOMMENDED COMPLAINING AS COMPANY FAILS TO DO ANYTHING FOR DEALER OR CUSTOMER REPLACED 3 TIRES ON 11-4-03, AND MOUNTED NEW SPARE ON GRD TO GET 4 NEW TIRES AGAIN CONSUMERS NEED …
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THREAD SEPARATION ON THREE OF FOUR ORIGINAL EQUIPMENT LT245/75R16 STEEL TEX A/T 10PLY TIRES 2REPLACED 6-02 1 REPLACED 11-03 FIRESTONE DEALER RECOMMENDED COMPLAINING AS COMPANY FAILS TO DO ANYTHING FOR DEALER OR CUSTOMER REPLACED 3 TIRES ON 11-4-03, AND MOUNTED NEW SPARE ON GRD TO GET 4 NEW TIRES AGAIN CONSUMERS NEED HELP IN GETTING THIS CORRECTED IMMEDIATELY.*AK
NHTSA ODI #10045454
60,670 miles · Aug 26, 2003
Electrical SystemInjury
TOTAL ELECTRICAL SYSTEM SHUTDOWN DUE TO FAILURE/ACTIVATION OF PASSLOCK SECURITY SYSTEM ON 2000 CHEVROLET K2500 CREW CAB (7.4L ENGINE/AUTOMATIC/4X4) WHILE VEHICLE IS BEING OPERATED AT HIGHWAY SPEED. ENGINE CAN NOT BE RESTARTED WITHOUT BRINGING VEHICLE TO COMPLETE STOP AND PLACING SHIFTER IN "PARK". LOSS OF LIFE, SERIOUS INJURY, A…
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TOTAL ELECTRICAL SYSTEM SHUTDOWN DUE TO FAILURE/ACTIVATION OF PASSLOCK SECURITY SYSTEM ON 2000 CHEVROLET K2500 CREW CAB (7.4L ENGINE/AUTOMATIC/4X4) WHILE VEHICLE IS BEING OPERATED AT HIGHWAY SPEED. ENGINE CAN NOT BE RESTARTED WITHOUT BRINGING VEHICLE TO COMPLETE STOP AND PLACING SHIFTER IN "PARK". LOSS OF LIFE, SERIOUS INJURY, AND/OR LOSS OF PROPERTY CAN OCCUR DURING PERFORMANCE OF BRINGING VEHICLE TO COMPLETE STOP WITHOUT ENGINE POWER AVAILABLE. INCIDENT OCCURRED TWICE AND WITHOUT WARNING ON 8/29/03 WHILE AT HIGHWAY SPEEDS. DEALER ATTEMPTED REPAIRS ON 8/31/03 WITH GUIDANCE FROM CHEVROLET TECHNICAL ASSISTANCE. SUITABILITY OF REPAIR NOT GUARANTEED BY DEALER. OWNER REQUESTED DEALER TO DISABLE PASSLOCK SYSTEM. DEALER COULD NOT DISABLE SYSTEM AND INFORMED OWNER THAT CHEVROLET CORPORATE WOULD NOT PROVIDE DEALER WITH INFORMATION ON HOW TO SERVICE, REPAIR, OR DISABLE PASSLOCK SYSTEM. DEALER AND CHEVROLET TECHNICAL ASSISTANCE DETERMINED THAT IGNITION SWITCH COULD BE AT FAULT AND CAUSING VOLTAGE CUTOFF TO PASSLOCK, THEREBY ACTIVATING PASSLOCK. DEALER REPLACED IGNITION SWITCH. OWNER TOOK POSSESSION OF VEHICLE AND DROVE 475 MILES AT WHICH POINT COMPLETE ELECTRICAL FAILURE OCCURRED ON 8/1/03 AND AT HIGHWAY SPEED. VEHICLE WAS ABLE TO BE RESTARTED AFTER BRINGING TO COMPLETE STOP, PUTTING TRANSMISSION IN "PARK", AND TIGHTENING BATTERY POSITIVE ELECTRICAL CABLE. APPARENT CAUSE OF PASSLOCK ACTIVATION WAS LOSS OF BATTERY VOLTAGE. ORIGINAL DIAGNOSIS MADE BY DEALER AND CHEVROLET TECHNICAL ASSISTANCE INCORRECT - IGNITION SWITCH NOT AT FAULT. REPEATED ATTEMPTS BY OWNER TO CONTACT CHEVROLET CUSTOMER ASSISTANCE CENTER ON OPERATIONAL PARAMETERS OF PASSLOCK SYSTEM AND DISABLING INSTRUCTIONS UNSUCCESSFUL. OWNER NOTIFIED BY CHEVROLET THAT "WE (GENERAL MOTORS) WILL NO LONGER ADDRESS ADDITIONAL MESSAGES ON THIS SUBJECT." DEALER COOPERATIVE, BUT ALSO UNABLE TO ASSIST FURTHER. *NLM
NHTSA ODI #10036628
Mileage unknown · Aug 7, 2003
Engine And Engine CoolingService Brakes, HydraulicFire
WHEN THE DRIVER ATTEMPTED TO STOP THE VEHICLE THE BRAKES FAILED AND THE DRIVER HAD TO USE THE EMERGENCY BRAKE TO SLOW THE VEHICLE. WHEN THE DRIVER TURNED IN A DRIVEWAY HE SAW SMOKE EMITTING FROM HE ENGINE COMPARTMENT. THE FIRE DEPARTMENT ARRIVED AND EXTINGUISHED THE FIRE. THE VEHICLE WAS A TOTAL LOSS. *PH *NLM
NHTSA ODI #10033550
Mileage unknown · Jul 17, 2003
Power Train
WE ARE BUYING A 2000 CHEVROLET SILVERADO 2500. WE HAVE HAD THE TRANSMISSION REPLACED ONCE, AND IT IS HAVING PROBLEMS AGAIN! WE'VE TAKEN IT IN TO THE DEALER, WHO SAYS THERE IS NOTHING WRONG WITH IT. THEY ALSO SAID THIS TWICE BEFORE THE TRANSMISSION WENT OUT THE FIRST TIME. NOW IT'S ACTING UP AGAIN, AND THEY SAY THERE IS NOTHI…
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WE ARE BUYING A 2000 CHEVROLET SILVERADO 2500. WE HAVE HAD THE TRANSMISSION REPLACED ONCE, AND IT IS HAVING PROBLEMS AGAIN! WE'VE TAKEN IT IN TO THE DEALER, WHO SAYS THERE IS NOTHING WRONG WITH IT. THEY ALSO SAID THIS TWICE BEFORE THE TRANSMISSION WENT OUT THE FIRST TIME. NOW IT'S ACTING UP AGAIN, AND THEY SAY THERE IS NOTHING WRONG. I'M SURE IT WILL GO OUT AGAIN, IT'S JUST A MATTER OF TIME. I ALSO KNOW SOMEONE WITH 2002 CHEVY TRUCK, AND THEY HAVE HAD THEIR TRANSMISSION EITHER CHECKED OR REPLACED ALREADY. MY CONCERN IS THAT THE TRANSMISSIONS BEING USED ARE NOT HEAVY-DUTY ENOUGH TO LAST. I'M WORRIED, BECAUSE OUR EXTENDED WARRANTY IS RUNNING LOW, AND I JUST KNOW THAT THE TRANSMISSION WILL GO OUT AFTER THE WARRANTY IS UP. IF THE TRANSMISSIONS BEING USED ARE NOT THE CORRECT ONE FOR THIS TRUCK, I THINK A RECALL SHOULD BE ISSUED. IT IS NOT FAIR FOR THE BUYERS TO BE STUCK WITH THIS PROBLEM. CHECK THE STATS AT YOUR DEALERSHIPS... I'M WILLING TO BET THAT THERE ARE A LOT OF TRUCKS BEING LOOKED AT FOR THIS SAME PROBLEM. ALSO, WHEN WE TOOK THE TRUCK IN THE LAST TIME, WE NOTICED A DIFFERENCE IN POWER. IT SEEMS THAT THE TRUCK DOES NOT HAVE THE POWER IT HAD BEFORE, ESPECIALLY WHEN TOWING OR LOADED. WE ARE WONDERING IF THE DEALER COULD HAVE "TURNED THE ENGINE DOWN" TO COMPENSATE FOR THE TRANSMISSION? IF SO, THIS IS STILL NOT FAIR, BECAUSE WE BOUGHT THAT TRUCK FOR IT'S POWER, NOT TO HAVE IT TURNED DOWN JUST TO MAKE THE TRANSMISSION LAST. PLEASE ADVISE US ON WHAT WE CAN DO. AGAIN, IF YOU CHECK THE DEALERSHIPS, I'LL BET YOU'LL FIND A LOT OF TRUCKS BEING SERVICED FOR THIS PROBLEM. THANK YOU, [XXX]*AK ('PARTS OF THIS DOCUMENT HAVE BEEN REDACTED TO PROTECT PERSONALLY IDENTIFIABLE INFORMATION PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6).')*JB
NHTSA ODI #10028527
NHTSA investigations
2EA04012 · 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.