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2004 Hyundai Elantra Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2004 Hyundai Elantra

2004 Hyundai Elantra Problems

If the automatic transmission does not shift properly and the Check Engine Light illuminates, the speed sensors in the transmission may have failed. The sensors are simple and inexpensive to replace.

Prior to replacing the automatic transmission fluid (to improve shift quality), make sure that the transmission fluid level is correct. Also, make sure the computer that controls the transmission has the most up-to-date adaptive programming information. When servicing these transmissions be sure to use fluid approved by Hyundai.

A failing vapor canister purge valve may cause the Check Engine Light to illuminate. This valve is part of the evaporative (EVAP) emission control system.

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2004 Hyundai Elantra Questions

Hooked up scanner air bleed abs manually request left front dump valve to open frees up brake checked fuses all ok car was towed in no codes in computer happened after customer was towed out of ditch stuck in mud

2 days ago my oil light came on and heard a clacking sound while accelerating
So I took it right into the shop and they told me it was the
Valve cover and had it replaced and had an oil change as well but I still hear the sound whenever I accelerate or when I let off the gas a little? Any ideas

new alt and battery but still not charging. 5 speed trans and 2.0 engine.

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2004 Hyundai Elantra Recalls

CERTAIN VEHICLES EQUIPPED WITH AN ADVANCED AIR BAG SYSTEM. THE OCCUPANT CLASSIFICATION SYSTEM (OCS) INSTALLED IN THE RIGHT FRONT SEAT OF THE VEHICLE MAY MISCLASSIFY A CHILD RESTRAINT SEAT (CRS) AS AN ADULT. THIS MAY OCCUR IF THE CRS IS INSTALLED AFTER AN ADULT HAS BEEN SEATED IN THE RIGHT FR...CERTAIN VEHICLES EQUIPPED WITH AN ADVANCED AIR BAG SYSTEM. THE OCCUPANT CLASSIFICATION SYSTEM (OCS) INSTALLED IN THE RIGHT FRONT SEAT OF THE VEHICLE MAY MISCLASSIFY A CHILD RESTRAINT SEAT (CRS) AS AN ADULT. THIS MAY OCCUR IF THE CRS IS INSTALLED AFTER AN ADULT HAS BEEN SEATED IN THE RIGHT FR...DURING AN INSURANCE INSTITUTE FOR HIGHWAY SAFETY (IIHS) OFFSET FRONTAL BARRIER IMPACT TEST, IT WAS DETERMINED THAT FUEL TAN DAMAGE COULD OCCUR. ON CERTAIN PASSENGER VEHICLES, A VAPOR TUBE HOSE CLAMP THAT IS LOCATED NEAR THE FUEL TANK MAY NOT BE POSITIONED PROPERLY AND COULD CAUSE FUEL LEAKAGE.

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2004 Hyundai Elantra Reviews

Transmission slipping since 30k miles. Dealers could never duplicate problems, nor obtain DTC because CEL did not illuminate until 125k. Now trans chatters loudly and can not be driven. Dealer says trans is bad. CEL now on. Dealer and Hyundai refuse to repair the car and decline to acknowledge prior trouble because CEL never came on!! Rust in sunroof area coming from inside out and paint peelin...

I bought this car new and had a small problem with the transmission right from the start. It was very subtle and hard to detect and, in fact, it would not show up on the computer but I knew something was not right. Finally, after the warrenty was up, it got bad enough to cause the CEL to come on and the problem showed up on the computer. It was the transmission module. Other than this it has b...

Brakes started pulsating at 75,000 and had to replace the front rotors and pads. Otherwise, have had no problems at all with this little car.

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