TL* THE CONTACT OWNS A 2004 CHEVROLET SILVERADO. THE CONTACT STATED AFTER RECEIVING A RECALL REPAIRS FOR THE BLOWER RESISTOR, THE BLOWER FAILED AND AS A RESULT THE WIRING HARNESS AND CONTROL MODULE STARTED TO MELT DOWN. THE VEHICLE WAS TAKEN TO THE DEALER WHO WAS UNABLE TO DIAGNOSE THE FAILURE WHICH WAS DIRECTLY RELATED TO THE …
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TL* THE CONTACT OWNS A 2004 CHEVROLET SILVERADO. THE CONTACT STATED AFTER RECEIVING A RECALL REPAIRS FOR THE BLOWER RESISTOR, THE BLOWER FAILED AND AS A RESULT THE WIRING HARNESS AND CONTROL MODULE STARTED TO MELT DOWN. THE VEHICLE WAS TAKEN TO THE DEALER WHO WAS UNABLE TO DIAGNOSE THE FAILURE WHICH WAS DIRECTLY RELATED TO THE RECALL. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE AND OFFERED TO PAY HALF OF THE REPAIR COST. THE VIN WAS NOT AVAILABLE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 80,000 AND THE CURRENT MILEAGE WAS 112,000.
NHTSA ODI #10443760
20,000 miles · Aug 6, 2010
EquipmentVisibility
AC TROUBLES: I OWN TWO 2004 CHEVROLET SILVERADO TRUCKS. AT LEAST ONCE A WEEK AND SOMETIMES SEVERAL TIMES IN ONE DAY, THE TWO DRIVERS SIDE VENT BLOW HOT AIR WHILE THE OTHER TWO PASSENGER VENTS BLOW COLD AIR AS NORMAL. *TR
NHTSA ODI #10347788
58,000 miles · Nov 11, 2009
Visibility
WINDSHIELD WIPER MOTOR FAILURE - WINDSHIELD WIPER MOTOR CIRCUIT BOARD FAILS, AND WINDSHIELD WIPER MOTOR REMAINS ON, EVEN WITH THE SWITCH IN THE "OFF" POSITION. *TR
NHTSA ODI #10291845
3,500 miles · Aug 4, 2007
Visibility
AMBIENT OUTSIDE TEMPERATURE OF APPROXIMATELY 25-DEGREES FAHRENHEIT AND LOWER CAUSES IN-CAB HEATER/AC CONTROL THAT DETERMINES WHERE AIR FLOW WILL BE DIRECTED (DEFROST/FLOOR/DASH VENTS/COMBO) TO STICK. OCCURS AROUND ONE TIME IN FIVE; AN INTERMITTENT PROBLEM. IF, AFTER COMMENCING DRIVING, THE WINDSHIELD BEGINS TO FOG OVER AND THE O…
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AMBIENT OUTSIDE TEMPERATURE OF APPROXIMATELY 25-DEGREES FAHRENHEIT AND LOWER CAUSES IN-CAB HEATER/AC CONTROL THAT DETERMINES WHERE AIR FLOW WILL BE DIRECTED (DEFROST/FLOOR/DASH VENTS/COMBO) TO STICK. OCCURS AROUND ONE TIME IN FIVE; AN INTERMITTENT PROBLEM. IF, AFTER COMMENCING DRIVING, THE WINDSHIELD BEGINS TO FOG OVER AND THE OUTLET SELECTOR IS STUCK IN ANY POSITION OTHER THAN DEFROST, IT CAN BECOME IMPOSSIBLE TO SEE OUT THE WINDSHIELD. THIS HAS CAUSED DANGEROUS CONDITIONS ALONG WITH REQUIRING ME TO PULL OVER UNTIL THE INTERIOR OF THE CABIN HEATS UP, ALLOWING THE SELECTOR SWITCH TO FUNCTION. TRUCK TAKEN TO DEALER MANY TIMES UNDER WARRANTY ABOUT THIS PROBLEM. AT TIMES THE TRUCK WAS LEFT FOR SEVERAL DAYS TO ALLOW REPLICATION. FOR WHATEVER REASON, DEALER WAS UNABLE TO REPLICATE THE PROBLEM THUS REFUSING TO TRY TO RECTIFY THE PROBLEM. IT APPEARS THE DEALERS I USED (3 TOTAL) WERE UNWILLING TO DIAGNOSE THE POTENTIALLY DANGEROUS CONDITION. THE DEALERS RESPONSES WERE SUCH THAT I WAS BASICALLY TOLD THAT I WOULD HAVE TO LIVE WITH A POTENTIALLY DANGEROUS CONDITION. I HAVE LEARNED TO LEAVE THE SWITCH SET IN THE DEFROST MODE WHEN PARKING THE TRUCK ALLOWING THE USE OF THE DEFROST MODE DURING INITIAL OPERATION DURING COLD WEATHER. OF COURSE, THAT MEANS THE A/C IS OPERATING, REDUCING GAS MILEAGE AND THE CABIN TAKES LONGER TO HEAT. IF I HAPPEN TO FORGET TO LEAVE THE SETTING AT DEFROST I FACE POSSIBLE CATASTROPHE IF THE WINDSHIELD FOGS SEVERELY WHILE OPERATING THE VEHICLE. GENERALLY, WHEN THE SWITCHING SYSTEM IN INOPERATIVE IT TAKES 20 MINUTES OF SO FOR IT TO BEGIN WORKING AGAIN. SURE WAS TIRESOME HEARING DEALERS ESCAPE WARRANTY WORK BY USING THE "CAN NOT REPLICATE" MANTRA. THIS LAME EXCUSE WAS USED WITH OTHER PROBLEMS. WHEN GMC EXPECTS ME TO SPEND MY DOLLARS WITH THEM IN THE FUTURE I, TOO, SHALL USE THE "CAN NOT REPLICATE" MANTRA.*JB
NHTSA ODI #10198478
37,172 miles · Jun 12, 2006
VisibilityFire
WHILE PARKED ON THE STREET, LOCKED AND NOT IN USE FOR 7 DAYS, A FIRE APPARENTLY STARTED IN THE WINDSHIELD WIPER MOTOR. IT WAS SIGNIFICANTLY DAMAGED AND SPREAD TO THE RIGHT FRONT WHEEL WELL AND LEFT FRONT BUMPER COWLING, BEFORE IT WAS PUT OUT WITH A FIRE EXTINGUISHER. THE GM INVESTIGATOR HAS INDICATED THAT IT IS THEIR DETERMINAT…
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WHILE PARKED ON THE STREET, LOCKED AND NOT IN USE FOR 7 DAYS, A FIRE APPARENTLY STARTED IN THE WINDSHIELD WIPER MOTOR. IT WAS SIGNIFICANTLY DAMAGED AND SPREAD TO THE RIGHT FRONT WHEEL WELL AND LEFT FRONT BUMPER COWLING, BEFORE IT WAS PUT OUT WITH A FIRE EXTINGUISHER. THE GM INVESTIGATOR HAS INDICATED THAT IT IS THEIR DETERMINATION THAT THE PROBLEM STARTED EXTERNAL TO THE VEHICLE. *NM
NHTSA ODI #10159630
100 miles · Nov 18, 2005
Visibility
DT: THE REAR VIEW MIRRORS THAT WERE SPECIAL ORDERED FOR THE VEHICLE DID NOT EXTEND FAR ENOUGH TO ALLOW FOR PROPER VISION WHEN TOWING A EIGHT FOOT WIDE TRAILER. THE DEALER AND THE MANUFACTURER INFORMED AND THEY EXPLAINED THAT THEY COULD NOT OFFER A FREE REMEDY.*AK UPDATED 12/7/2005. *NM
NHTSA ODI #10143091
1,000 miles · Mar 23, 2005
Visibility
THERE IS A HORRIBLE WIND NOISE ON THE REAR QUARTER PANEL WINDOWS OF MY 2004, CHEVROLOET SILVERADO. AFTER SEVERAL ATTEMPTS TO REPAIR THE PROBLEM, THERE IS STILL WINDNOISE APPARENT.*AK
NHTSA ODI #10114580
Mileage unknown · Feb 25, 2005
Visibility
WHILE DRIVING IN INCLEMENT WEATHER THE WINDOWS WILL NOT WORK. THE WINDOWS DOES NOT COME DOWN. CONSUMER STATES HE HAS HAD THE PROBLEM WITH THE WINDOWS SINCE HE HAS HAD THE VEHICLE. PLEASE PROVIDE ANY FURTHER INFORMATION. *NM
NHTSA ODI #10113055
7,150 miles · Jan 24, 2005
Visibility
WINDSHIELD CRACKING. *NM
NHTSA ODI #10107823
100 miles · Oct 7, 2004
Visibility
DRIVER'S WINDOW RATTLES WHEN WINDOW IS NOT ALL THE WAY UP OR DOWN. DEALER STATES THIS IS NORMAL FOR THIS TRUCK AND THAT THERE ARE NO FIXS. *NM
CERTAIN VEHICLES ORIGINALLY BUILT WITH CLOTH SEATS THAT WERE EQUIPPED WITH AN AUTOMATIC AIR BAG PASSENGER SENSING SYSTEM AND LATER REUPHOLSTERED WITH AFTERMARKET LEATHER SEAT COVER KITS ARE INVOLVED. TESTING HAS INDICATED THAT THE AFTERMARKET LEATHER SEAT COVERS CAN CAUSE THE PASSENGER SENSING SYSTEM TO MALFUNCTION.
Consequence & remedy
Consequence: IF THE PASSENGER SENSING SYSTEM MALFUNCTIONS, THE FRONT AIR BAG ON THE PASSENGER SIDE MAY BE DISABLED WHEN IT SHOULD BE ENABLED, OR ENABLED WHEN IT SHOULD BE DISABLED. IN EITHER CASE, IN THE EVENT OF A CRASH THAT REQUIRES AIR BAG DEPLOYMENT, A FRONT PASSENGER'S LEVEL OF INJURY MAY BE INCREASED.
Remedy: BECAUSE A REPLACEMENT LEATHER SEAT COVER THAT IS COMPATIBLE WITH THE PASSENGER SENSING SYSTEM IS NOT AVAILABLE, GENERAL MOTORS (GM) WILL REPURCHASE THESE VEHICLES IN ACCORDANCE WITH THE TERMS STATED IN GM'S LETTER TO OWNERS. THE RECALL BEGAN ON NOVEMBER 6, 2006. OWNERS SHOULD CONTACT GM AT 1-877-477-1022 TO BEGIN THE PROCESS OF REPURCHASING THEIR VEHICLE.
ON CERTAIN TRUCKS EQUIPPED WITH AN 8.1L V8 (RPO L8-VIN G) ENGINE HAVE A CONDITION IN WHICH THE ENGINE FUEL RAIL PULSE DAMPER RETAINER CLIP MAY FRACTURE RESULTING IN INADEQUATE RETENTION OF THE DAMPER.
Consequence & remedy
Consequence: IF THE DAMPER COMES LOOSE, A FUEL LEAK MAY RESULT. FUEL LEAKAGE, IN THE PRESENCE OF AN IGNITION SOURCE, COULD RESULT IN A FIRE.
Remedy: DEALERS WILL REPLACE THE ENGINE FUEL RAIL PULSE DAMPER RETAINER CLIP FREE OF CHARGE. THE RECALL BEGAN ON AUGUST 31, 2006. OWNERS MAY CONTACT CHEVROLET AT 1-800-630-2438 AND GMC TRUCKS AT 1-866-996-9463.
ON CERTAIN PICKUP TRUCKS EQUIPPED WITH MANUAL TRANSMISSIONS AND BUILT WITH EITHER PBR PARKING BRAKE SYSTEMS OR TRW PARKING BRAKE SYSTEMS, THE PARKING BRAKE FRICTION LININGS MAY WEAR TO AN EXTENT WHERE THE PARKING BRAKE CAN BECOME INEFFECTIVE IN IMMOBILIZING A PARKED VEHICLE.
Consequence & remedy
Consequence: IF THE PARKING BRAKE DOES NOT HOLD, UNINTENDED VEHICLE MOVEMENT COULD OCCUR, WHICH COULD RESULT IN A CRASH.
Remedy: DEALERS WILL INSTALL A LOW-FORCE SPRING CLIP RETAINER FOR VEHICLES EQUIPPED WITH A PBR PARKING BRAKE SYSTEM. ON VEHICLES EQUIPPED WITH THE TRW PARKING BRAKE SYSTEM, DEALERS WILL INSTALL A REDESIGNED PARKING BRAKE CABLE ASSEMBLY. THE RECALL BEGAN ON JULY 29, 2005. OWNERS MAY CONTACT CHEVROLET AT 1-800-630-2438 OR GMC AT 1-866-996-9463.
ON CERTAIN CREW CAB PICKUP TRUCKS AND SPORT UTILITY VEHICLES, THE 2ND ROW CENTER OCCUPANT SEAT BELT ROUTING MAY MAKE IT DIFFICULT TO POSITION THE LAP PORTION OF THE SAFETY BELT LOW AROUND THE HIPS OF OCCUPANTS, ESPECIALLY SMALLER OCCUPANTS, SEATED IN THIS POSITION. APPROPRIATE USE OF A CHILD SEAT OR BOOSTER SEAT, AS RECOMMENDED FOR SMALL CHILDREN, DOES IMPROVE THE FIT CONDITION FOR THIS USER GROUP. IN ADDITION TO INSTRUCTIONS ON PROPER INFANT AND YOUNG CHILD RESTRAINT (WITH CHILD SEATS OR BOOSTERS), SPECIAL VERBIAGE FOR RESTRAINING OLDER CHILD IS INCLUDED IN THE OWNER'S MANUAL. ALSO, THE SUGGESTED SEAT BELT FIT/ROUTING FOR ADULTS, IRRESPECTIVE OF SEATING POSITION, IS DESCRIBED IN THE OWNER'S MANUAL TEXT.
Consequence & remedy
Consequence: A LAP PORTION OF THE SEAT BELT ROUTING THAT IS NOT LOW AND SNUG ON THE HIPS CAN ALLOW THE LAP BELT TO RIDE UP ON AN OCCUPANT'S ABDOMEN INSTEAD OF FITTING LOW AROUND THEIR HIPBONES, AND THEREFORE, CAN EXPOSE THEM TO MORE RISK OF ABDOMINAL AND INTERNAL ORGAN INJURY.
Remedy: DEALERS WILL CUT OPEN THE GUIDE LOOP, REMOVE A PORTION OF THE LOOP, AND THEN THE REMAINING TWO SIDES SHOULD BE FOLDED OVER AND SECURED WITH A RETAINER FREE OF CHARGE. THE RECALL BEGAN ON JULY 21, 2005. OWNERS MAY CONTACT CADILLAC AT 1-866-982-2339, CHEVROLET AT 1-800-630-2438, GMC AT 1-866-996-9463, OR HUMMER AT 1-800-732-5493.
CERTAIN TRUCKS, SPORT UTILITY VEHICLES, AND VANS EQUIPPED WITH BOSCH HYDRO-BOOST BRAKE ASSEMBLIES, THE HYDRAULIC BRAKE BOOSTER PRESSURE ACCUMULATOR MAY CRACK AND SEPARATE FROM THE HYDRO-BOOST ASSEMBLY DURING NORMAL OPERATING CONDITIONS.
Consequence & remedy
Consequence: IF A SEPARATION OCCURRED AND THE HOOD OF THE VEHICLE WERE OPEN, FRAGMENTS FROM THE ACCUMULATOR COULD CAUSE INJURY TO PEOPLE IN THE IMMEDIATE AREA. THE PRESENCE OF THIS CRACK OR FRACTURED SURFACE COULD ALLOW THE HYDRAULIC FLUID TO LEAK FROM THE ACCUMULATOR CIRCUIT OF THE BOOSTER ASSEMBLY. THE LOSS OF FLUID WOULD CAUSE INCREASED STEERING AND BRAKING EFFORT AND A CRASH MAY OCCUR WITHOUT PRIOR WARNING.
Remedy: DEALERS WILL TEST THE HYDRO-BOOST ASSEMBLY FOR FUNCTIONAL OPERATION OF THE TWO-FUNCTION VALVE. IF THE HYDRO-BOOST ASSEMBLY FAILS THE TEST, DEALERS WILL REPLACE THE ASSEMBLY FREE OF CHARGE. THE RECALL BEGAN ON MARCH 23, 2005. OWNERS MAY CONTACT CHEVROLET AT 1-800-630-2438, GMC TRUCKS AT 1-866-996-9463 AND HUMMER AT 1-800-732-5493.
CERTAIN EXTENDED AND REGULAR CAB PICKUP TRUCKS AND CARGO VANS CONVERTED TO COMPRESSED NATURAL GAS (CNG) FAIL TO CONFORM TO THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 225, 'CHILD RESTRAINT ANCHORAGE SYSTEMS.' THESE VEHICLES HAVE ONE SEATING POSITION, THE CENTER REAR SEAT, EQUIPPED WITH CHILD RESTRAINT LOWER ANCHORAGES.
Consequence & remedy
Consequence: THE STANDARD REQUIRES CHILD SEAT LOWER ANCHORAGES IN TWO SEATING POSITIONS FOR VEHICLES WITH THREE REAR SEATING POSITIONS. THE STANDARD CAB AND CARGO VAN VEHICLES, WHICH ONLY HAVE FRONT SEATING POSITIONS, HAVE AN AIR BAG OFF SWITCH TO DISABLE THE FRONT PASSENGER AIR BAG AND DO NOT HAVE CHILD RESTRAINT LOWER ANCHORAGES IN THE PASSENGER SEAT. THE STANDARD REQUIRES PASSENGER SEAT CHILD SEAT LOWER ANCHORAGES IN VEHICLES WITH AN AIR BAG OFF SWITCH. HOWEVER, THE STANDARD DOES NOT REQUIRE VEHICLES WITH ONLY FRONT SEATING POSITIONS TO HAVE LOWER ANCHORAGE PROVISIONS IF THE VEHICLE IS NOT EQUIPPED WITH AN AIR BAG OFF SWITCH.
Remedy: TO BRING THE STANDARD CAB AND CARGO VAN VEHICLES INTO COMPLIANCE, DEALERS WILL INJECT EPOXY INTO THE AIR BAG OFF SWITCH TO PREVENT AIR BAG ACTIVATION, RELOCATE THE SWITCH BEHIND THE INSTRUMENT PANEL AND THEN INSTALL A COVER OVER THE RESULTING OPENING. THE SUN VISOR LABEL AND OWNER'S MANUAL WILL ALSO BE CHANGED. THE CORRECTION FOR THE EXTENDED CAB VEHICLE WILL CONSIST OF CHANGING THE FRONT PASSENGER SEAT TO A SEAT THAT HAS CHILD RESTRAINT LOWER ANCHORAGES. THE RECALL BEGAN ON SEPTEMBER 9, 2004. OWNERS SHOULD CONTACT CHEVROLET AT 1-800-630-2438 OR GMC AT 1-866-996-9463.
ON CERTAIN PICKUP TRUCKS AND SPORT UTILITY VEHICLES, THE GALVANIZED STEEL TAILGATE SUPPORT CABLES THAT RETAIN THE TAILGATE IN THE FULL OPEN (HORIZONTAL) POSITION MAY CORRODE, WEAKEN, AND EVENTUALLY FRACTURE. IF BOTH CABLES FRACTURED, THE TAILGATE WOULD SUDDENLY DROP AND STRIKE THE TOP SURFACE OF THE REAR BUMPER.
Consequence & remedy
Consequence: ANYONE SITTING OR STANDING ON THE HORIZONTAL SURFACE OF THE TAILGATE WHEN BOTH CABLES FRACTURED COULD BE INJURED BY FALLING FROM THE TAILGATE. ON VEHICLES THAT HAVE HAD THE BUMPER REMOVED, THE TAILGATE MAY DROP EVEN LOWER. ADDITIONALLY, IF THERE IS CARGO ON THE TAILGATE THE CARGO MAY FALL OFF IF THE SUPPORT CABLES FRACTURE.
Remedy: DEALERS WILL REPLACE THE CABLES. INTERIM OWNER NOTIFICATION BEGAN ON APRIL 7, 20004. THE RECALL BEGAN ON SEPTEMBER 24, 2004, WHEN REPLACEMENT PARTS WERE AVAILABLE, AND WILL CONTINUE THROUGH OCTOBER 29, 2004. OWNERS SHOULD CONTACT CADILLAC AT 1-866-982-2339, CHEVROLET AT 1-800-630-2438 OR GMC AT 1-866-996-9463, OR VISIT WWW.MYGMLINK.COM, AND ENTER YOUR VEHICLE IDENTIFICATION NUMBER.
CERTAIN SPORT UTILITY VEHICLES, PICKUP TRUCKS, AND PASSENGER VANS FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 135, ?PASSENGER CAR BRAKE SYSTEMS.? SOME OF THESE VEHICLES WERE PRODUCED WITH AN OUT-OF-SPECIFICATION BRAKE HYDRO-BOOST HOUSING RELIEF VALVE BORE.
Consequence & remedy
Consequence: CONSEQUENTLY, THE VALVE O-RING SEAL MAY FRACTURE. STEERING EFFORTS MAY BE SLIGHTLY INCREASED WHILE BRAKING OR PARKING. UNDER CERTAIN DRIVING CONDITIONS, A FRACTURED SEAL MAY REQUIRE A SLIGHT INCREASE IN THE APPLIED BRAKE PEDAL EFFORT TO ACHIEVE THE SAME VEHICLE DECELERATION RATE AS PRIOR TO THE SEAT FRACTURE.
Remedy: DEALERS ARE TO REPLACE THE HYDRO-BOOST RELIEF VALVE. THE RECALL BEGAN ON JUNE 18, 2004. OWNERS SHOULD CONTACT CADILLAC AT 1-866-982-2339; CHEVROLET AT 1-800-630-2438; GMC AT 1-866-996-9463; OR HUMMER AT 1-866-486-6376.
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
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.