This factory service and repair manual is tied to the 1999 Hyundai Sonata specifically — the year, the engine in front of you and the trim you own — so the torque values and service sequences it prints are the ones Hyundai released for this car, not figures borrowed from an adjacent Sonata generation.
Engines covered
- 2.4L inline-four — DOHC, naturally aspirated, gasoline
- 2.5L V6 — DOHC, naturally aspirated, gasoline
Body styles covered
- 4-door sedan
Trims covered
- Base
- GLS
Known issues on the 1999 Sonata. One recall is on federal record against this Sonata, and it sits under suspension. The campaign reaches cars originally sold in or currently registered in a named group of states — Connecticut, Delaware, Illinois, Indiana and Iowa are among those listed — and the consequence on file is that the vehicle may lose drive power to the wheels. Owners have filed 187 complaints for the year and Hyundai has issued 116 technical service bulletins. The factory diagnostic and repair procedures behind those systems are here.
Whether you are inspecting front suspension components, chasing a loss-of-drive concern or simply working to a scheduled service interval, it holds you to Hyundai's own procedure and the correct figure for this 1999 Sonata.
HYUNDAI IS RECALLING 188,282 MY 2001-2004 SONATA AND MY 2001-2004 XG300 AND XG350 VEHICLES ORIGINALLY SOLD IN OR CURRENTLY REGISTERED IN THE STATES OF CONNECTICUT, DELAWARE, ILLINOIS, INDIANA, IOWA, MAINE, MARYLAND, MASSACHUSETTS, MICHIGAN, MINNESOTA, MISSOURI, NEW HAMPSHIRE, NEW JERSEY, NEW YORK, OHIO, PENNSYLVANIA, RHODE ISLAND, VERMONT, WEST VIRGINIA, WISCONSIN, AND THE DISTRICT OF COLUMBIA. ROAD SALT APPLIED IN THESE JURISDICTIONS DURING THE WINTER MONTHS MAY RESULT IN PROGRESSIVE, INTERNAL CORROSION OF THE FRONT SUB-FRAME ON THE VEHICLES, AND MAY RESULT IN THINNING OR PERFORATION OF THE SUB-FRAME STEEL. THE CORROSION IS FREQUENTLY VISIBLE AND OFTEN DISCOVERED DURING INSPECTION OR ROUTI
IF THAT HAPPENS, THE VEHICLE MAY LOSE DRIVE POWER TO THE WHEELS, AND THE FRONT WHEEL MAY MAKE CONTACT WITH THE FENDER OR WHEEL WELL, THEREBY INCREASING THE RISK OF A CRASH.
DEALERS WILL MEASURE THE THICKNESS OF THE FRONT SUB-FRAME AND INSPECT THE FRONT SUB-FRAME FOR CORROSION DAMAGE AND, IF NECESSARY, THE FRONT SUB-FRAME WILL BE REPLACED WITH A NEW SUB-FRAME THAT INCORPORATES ADDITIONAL HOLES IN THE UPPER AND LOWER PANELS. IF THE FRONT SUB-FRAME DOES NOT REQUIRE REPLACEMENT, THE DEALER WILL ADD DRAINAGE HOLES TO THE SUB-FRAME AND WILL TREAT THE SUB-FRAME WITH RUST-PROOFING MATERIAL TO STOP THE CORROSION PROCESS. THIS PROCEDURE WILL BE PERFORMED FREE OF CHARGE. T
VEHICLE DESCRIPTION: SOME SONATA VEHICLES EQUIPPED WITH 2.5 LITER V-6 ENGINES AND ALL ELANTRA MODEL VEHICLES MAY HAVE EXPERIENCED INTERMITTENT LOW-SPEED ENGINE STALLING, WHICH COULD OCCUR IF THE MAF (MASS AIR FLOW) SENSOR ELECTRICAL SIGNAL IS INTERRUPTED AS A RESULT OF ENGINE VIBRATION TRANSMITTED TO THE MAF SENSOR CONNECTOR WIRING HARNESS.
THIS CONDITION CAN CAUSE THE ENGINE TO STALL, INCREASING THE RISK OF A CRASH.
DEALERS WILL RE-ROUTE THE MAF SENSOR CONNECTOR WIRING HARNESS.
VEHICLE DESCRIPTION: PASSENGER VEHICLES. THE SUPPLEMENTAL RESTRAINT SYSTEM (SRS) AIR BAG WARNING LIGHT COULD ILLUMINATE DUE TO MOTION OF THE SIDE IMPACT AIR BAG WIRING HARNESS AND SIDE IMPACT AIR BAG WIRING HARNESS CONNECTOR THAT MOUNT TO THE ADJUSTABLE SEAT CUSHION ASSEMBLY. THIS CONDITION ONLY RELATES TO THE DRIVER AND/OR PASSENGER SEAT-MOUNTED SIDE IMPACT AIR BAG(S).
THIS CONDITION COULD PREVENT SEAT MOUNTED SIDE IMPACT AIR BAG DEPLOYMENT DURING AN ACCIDENT WHERE SUCH DEPLOYMENT SHOULD OCCUR. NON-DEPLOYMENT OF THE SRS SIDE IMPACT AIR BAGS COULD INCREASE THE RISK OF INJURY DURING AN ACCIDENT WHERE SIDE IMPACT AIR BAG DEPLOYMENT IS INTENDED.
DEALERS WILL MORE SECURELY FASTEN THE FRONT SEAT SIDE IMPACT AIR BAG WIRING HARNESS AND CONNECTORS TO THE VEHICLE'S FRONT SEAT CUSHION FRAMES. OWNER NOTIFICATION WILL OCCUR IN SIX MAILINGS ON MAY 27, JUNE 3, JUNE 10, JUNE 17, JUNE 24, AND JULY 1, 2002. 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 HYUNDAI AT 1-800-633-5151.
ON CERTAIN PASSENGER VEHICLES, AN INTERMITTENT CONDITION THAT LEADS TO THE SUPPLEMENTAL RESTRAINT SYSTEM (SRS) AIR BAG WARNING LIGHT ILLUMINATION COULD RESULT FROM MOTION OF THE SIDE IMPACT AIR BAG WIRING HARNESS AND SIDE IMPACT AIR BAG WIRING HARNESS CONNECTOR WHICH MOUNT TO THE ADJUSTABLE SEAT CUSHION ASSEMBLY. THIS CONDITION ONLY RELATES TO THE SIDE IMPACT AIR BAGS AND COULD PREVENT AIR BAG DEPLOYMENT DURING A CRASH WHERE SUCH DEPLOYMENT SHOULD OCCUR.
NON-DEPLOYMENT OF THE SRS SIDE IMPACT AIR BAG COULD INCREASE THE RISK OF INJURY DURING A SIDE IMPACT CRASH.
DEALERS WILL MORE SECURELY FASTEN THE SIDE IMPACT AIR BAG WIRING HARNESSES AND CONNECTORS TO THE VEHICLE'S FRONT SEAT CUSHION FRAMES. OWNER NOTIFICATION BEGAN MAY 28, 2002. 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 HYUNDAI AT 1-800-633-5151.
This bulletin provides important checkpoint guidelines when performing engine oil and filter change services.
Hyundai applies a Paint Protection Film (PPF) on new vehicles before delivery to dealerships. It provides a barrier between the paint and contaminants, such as rail dust, acid rain, and industrial fallout. In rare cases, the paint can becom
This bulletin provides information regarding condensation related to the accumulated moisture in the headlamp, rear combination lamp, daytime running lamp (DRL), or fog lamp. This TSB illustrates the various causes of condensation inside th
Effective June 2, 2008, Federal Motor Vehicle Safety Standard 110 (FMVSS 110) established a threshold for correcting load carrying capacity information indicated on tire placards when vehicle weight has been increased before retail sale. Th
Follow the guidelines outlined in this bulletin to inspect and clean or replace certain components of the engine intake system accordingly during engine short block or sub-assembly replacement.
Hyundai approves only the ATF, DCT gear oil and IVT gear oil specified in the vehicles owners manual. Use of other ATF may result in improper shift quality or other drivability conditions. Use of other DCT and IVT gear oil may result in red
This bulletin provides the service procedure for engine connecting rod bearing clearance testing. Perform the procedure outlined in this bulletin to fulfill the Bearing Clearance Test inspection requirements to determine next required steps
This bulletin provides best practice recommendations when performing brake service procedures.
Showing the 8 most recent of 122 technical service bulletins on file with NHTSA.
DT: CONSUMER WAS INVOLVED IN AN ACCIDENT WHILE TRAVELING ON HIGHWAY AT 55 MPH. ANOTHER VEHICLE PULLED OUT IN FRONT OF CONSUMER'S VEHICLE AND IT STRUCK THE RIGHT SIDE OF OTHER VEHICLE. UPON IMPACT, THE AIRBAGS DID NOT DEPLOY. CONSUMER HAS NOT HAD ANY WORK DONE TO THE AIRBAGS OR ANY OTHER PROBLEMS WITH THE AIRBAGS. THE VEHICLE HAS BEEN TAKEN TO DEALER FOR RECALL REPAIRS. *AK
DT: CONSUMER TOOK VEHICLE FOR SERVICE TO DEALER. THE AIRBAG LIGHT WAS ON. TOOK VEHICLE TO THE DEALER 3 TIMES FOR THE AIRBAG LIGHT. EACH TIME IT WENT TO THE DEALER THE AIRBAG LIGHT WOULD BE OFF WHEN CONSUMER PICKED UP THE VEHICLE. LIGHT WOULD COME BACK ON AFTER A COUPLE OF MONTHS. LAST TIME VEHICLE WAS TAKEN TO THE DEALER WITH AIRBAG LIGHT ON DEALER SAID THAT THERE WAS SOMETHING LOOSE UNDER THE SEAT. ON JULY 25, 2005 CONSUMER'S WIFE WAS IN AN ACCIDENT WHILE DRIVING 20 MPH, AND THE AIRBAGS DID NO
TL* THE CONTACT OWNS A 1999 HYUNDAI SONATA. THE CONTACT RECEIVED REPAIRS UNDER NHTSA CAMPAIGN ID NUMBER: 09V124000 (SUSPENSION). THE VEHICLE WAS TAKEN TO A LOCAL MECHANIC BECAUSE THE MOTOR WAS EXCESSIVELY LOUD AFTER THE RECALL REPAIR. IN ADDITION, THE CONTACT STATED THE VEHICLE WOULD SWAY BACK AND FORTH, THE MOTOR WOULD JUMP ABNORMALLY AND THE STEERING WOULD INTERMITTENTLY BECOME HARD. THE CONTACT WAS ADVISED BY THE MECHANIC THAT THE MOTOR MOUNTS WERE LOOSE AND TO TAKE THE VEHICLE BACK TO THE DE
AIR BAGS DID NOT DEPLOY IN A 50MPH HEAD-ON COLLISION. *AK
CONSUMER WAS TRAVELING ABOUT35MPH ON A STREET AND ANOTHER VEHICLE CAME TO A SUDDENLY STOP. WHEN CONSUMER LOOKED UP HE HAD HIT OTHER VEHICLE FROM BEHIND. UPON IMPACT, DUAL AIRBAGS DIDN'T DEPLOY, CONSUMER STATES THAT AIRBAG LIGHT CAME ON 3 TIMES PRIOR TO ACCIDENT AND NOW TWICE AFTER. CONSUMER HEARS RATTLE FROM TRUNK. SUNROOF LINING LOOSE. GAS PEDAL VIBRATES WHILE DRIVING. WHEN RIDING OVER BUMPS, THERE IS A RATTLE IN THE RIGHT REAR OF THE VEHICLE. *AK *SLC
CONSUMER HAD BEEN TO THE DEALER REGARDING AIRBAG LIGHT BEING ILLUMINATED DEALER STATED THE LIGHT WOULD TURN OFF, A SHORT TIME LATER, VEHICLE STALLED, CONSUMER TRIED TO KEEP CONTROL OF VEHICLE, HOWEVER HE HIT A CURB AND THE AIRBAGS DID NOT DEPLOY, CONSUMER SUSTAINED MINOR INJURIES. *SLC
CONSUMER LOSS CONTROL AND HIT A SOLID BARRIER AND NONE OF THE AIRBAGS DEPLOYED. DRIVER SUSTAINED A HEAD INJURY. PRIOR TO THE ACCIDENT THE VEHICLE WAS TAKEN TO THE DEALER BECAUSE THE AIR BAG LIGHT ILLUMINATED. THE DEALER REMOVED AND REPLACED THE PASSENGER SEAT AIR BAG MODULE. THE DEALER ALSO PERFORMED RECALL 02V105000 RELATED TO THE SIDE IMPACT AIR BAG WIRING HARNESS ROUTING. THE REAR DEFOGGER BUTTON FLASHED INTERMITTENTLY AND THE A/C AND DEFOGGER WERE INOPERATIVE. THE DEALER REPLACED THE
CONSUMER'S SON WAS DRIVING BETWEEN 30 TO 40 MPH WHEN ANOTHER VECHICLE JUMPED IN FRONT OF HIM. HE APPLIED BRAKES, BUT BRAKES FAILED. HE LOST CONTROL AND WENT INTO A TREE . UPON IMPACT, AIRBAG DID DEPLOY, BUT DISCONNECTED AND LANDED ON DRIVER'S SEAT. HE SUSTAINED NECK AND BACK INJURIES. *AK
L WAS STOPPED ON TRAFFIC ON HIGH WAY ,AND SOME ONE, HIT ME ON THE BACK ,THE GUY WAS SO FAST PROBLEM MORE THAN 75 MPH ,THAN MY CAR FLOAT 20 FOOT ,AND HIT THE CAR ON MY FRONT AND MY AIR BAGS DID NOT DEPLOY OR OPEN , SO THE QUESTION IS HYUNDAI SONATA 1999 USUALLY HAVE THIS PROBLEM , ???? *TR
VEHICLE'S PASSENGER SIDE REAR TIRE BLEWOUT RESULTING IN A SEVEN CAR ACCIDENT.*MR THE VEHICLE TIRE ONLY HAD 11263 MILES ON THEM AND THE TREAD WEAR WAS LF AND RF 55%, LR AND RR WAS 45%. THE INSURANCE COMPANY DEEMED THE VEHICLE A TOTAL LOSS. *NM THIS IS A CC TO NHTSA
CRUISE CONTROL WAS ACTIVATED AT 60 MPH WHEN APPLYING BRAKES TO AVOID AN ACCIDENT, BUT CONSUMER LOST CONTROL OF VEHICLE AND HIT RETAINER WALL HEAD-ON. VEHICLE STILL MAINTAINED 60 MPH, AND BRAKES DID NOT DEACTIVATE CRUISE CONTROL. EVENTUALLY, VEHICLE STOPPED AFTER CONSUMER TURNED IT OFF. PASSENGER'S SIDE AIR BAG DID NOT DEPLOY/ SEAT BELT DID NOT LOCK UP, AND CRUISE CONTROL WOULD NOT DEACTIVATE. *AK
CONSUMER WAS INVOLVED IN A FRONTAL COLLISION IN WHICH AIR BAGS DID NOT DEPLOY, CAUSE UNKNOWN. PLEASE GIVE ANY FURTHER DETAILS.*AK
CONSUMER WAS BACKING OUT OF DRIVEWAY THERE WAS AN EXPLOSION WITH GREY SMOKE IN PASSENGER'S COMPARTMENT. CURRENTLY, DRIVER'S SIDE SEAT BELT IS TIGHT.*AK
DT: CONSUMER OWNED A 1999 HYUNDIA SONATA. CONSUMER HAD TAKEN VEHICLE TO THE DEALER BECAUSE IT WAS OVERHEATING. THEY FLUSHED RADIATOR, CLEANED THE INSIDE AND OUTSIDE, AND REPLACED THE COOLANT. ALSO, PUT A NEW DRAINING PLUG IN THE RADIATOR. THE DEALER SAID THAT THERE WAS NOTHING WRONG WITH THE COOLING FAN. THIRTEEN DAYS LATER ON 6-28-05 WHILE VEHICLE WAS PARKED AT A STORE IT CAUGHT ON FIRE. WHEN THE CONSUMER TOOK IT TO THE DEALER, THEY TOLD HIM THAT ALTHOUGH HE WAS NO EXPERT IT WAS THE B
THE VEHICLE CAUGHT ON FIRE WHILE PARKED IN FRONT OF THE CONSUMERS HOME. *NLM
Showing the 15 most serious of 135 complaints filed with NHTSA.
