How do you change the transmission fluid in a 2006 Hyundai Elantra? What kind of transmission fluid and how many quarts?

call a few and ask for a quote

Does the same go with a 03

Automatic transmission :Genuine Diamond automatic transmission fluid SP-11M.

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For Manual transmission :SAE 75W/90 gear oil

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To replace the fluid.There are no special requirements here. Drop the pan being careful not to damage the pan gasket with a container to catch the old fluid underneath it, replace the filter, replace the pan and then add about 4 quarts (via the dipstick hole) of the required Hyundai SP-III fluid you can get at the dealer. Double check the level with the engine warm and in park position. Be aware that your transmission uses a specific formulation of transmission fluid, available at the dealer. It is a bit more expensive than off the shelf fluid like Dextron, but you are only changing it every 30K, so the cost over time is minimal. -----------
this should help.thanks.Helpmech

Hi, the transmission filter is mounted to the transmission (automatic transmission only) within the transmission fluid pan. This pan is underneath the vehicle, close to the engine in front of the front wheels. It is covered by a splash shield...

- Spark Plugs (make sure they are gaped properly)
- Spark Plug Wires
- Coil Packs (if needed) or Distributor Cap & Rotor (which ever so equipped)
- Air Filter
- Fuel Filter
- Oil
- Oil Filter
- Transmission Filter (optional)
- Transmission Fluid (optional if you do change the trans filter you will need the fluid)
- PCV Valve (optional)
- Bottle Of Fuel Injector Cleaner (add to fuel tank kind)

Your transmission fluid is dangerously low (tranny is dry). The pops & jerks are the transmission
internal components trying not to seize onto each other due to lack of lubrication and/or overheating.
Low transmission fluid leads not only to loss of lubrication but lots of overheating (of the tranny).
The loss of Elantra performance (speed tops out at 55), is caused by power loss due to friction inside the transmission. All your power is lost overheating the transmission (toward destruction), instead of
being transmitted through the transmission to the wheels.

The 2004 Elantra takes Hyundai SP-III Automatic Transmission Fluid, with 8.4 quarts used in a
total refill - but just 5 quarts at a fluid change. For How-to transmission fluid change instructions:

http://en.allexperts.com/q/Hyundai-Repair-815/2004-Elantra-GT-transmission.htm

www.autozone.com claims that 2004 Hyundai Elantra can take these non-Hyundai ATF's:
Lucas Semi-Synthetic Multivehicle ATF
Pennzoil Muilt Vehicle ATF
Valvoline Maxlife Dex/Merc ATF
Castrol High Mileage ATF

Yes, you must as this burnt oil may have lost its vicinity and reduce that of the original oil already in the system. In an emergency it is fine to make up thelevel but must be changed soonest .

10W-30 grade oil is recommended for your car

The dealer reccommends you use their transmission fluid for optimal shift quality and trans. life.