Transmission wont go into reverse in my hyundai elantra problem

Most automatic transmissions have a separate belt for reverse and all forward gears, The reverse belt is commonly lighter duty that the forward belt (some Chryslers were affected so much it was advised to not shift into reverse until the engine had warmed up and the automatic choke idled down) Thus your car would be in "reverse" but with no motion getting to the gears.

Hyundai Elantra transmission won t go into reverse m ...

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Hyundai Elantra cars & trucks transmission won t go into reverse m ... Question about 1998 Elantra. 1 Answer · Reverse gear almost dead in 1998 Lantra auto.

99 accent wont go into reverse - Hyundai Forums : Hyundai Forum

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Mar 28, 2013 - 3 posts - ‎3 authors
Here is my situation and am hoping I might get somebody who can actually help me with this. I have a 99 hyundai accent automatic with ... 2001 Accent No Reverse
10 posts
Apr 10, 2011
1998 Hyundai Accent Automatic Trans Problem ...
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Dec 6, 2005
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Why is it having trouble moving in reverse?

do you mean you changed the engine speed sensor for the auto box ? works off the engine rev's this is not on the same line as the rev counter it counts the rotations of the shaft spining.

I've have replaced a few of Elantra's transmissions. I find it common to start with no reverse, usually shortly after it wont drive it at all.
But there still hope. A link between the shifter and the transmission could have popped out. If you have a mechanic you trust, i would have him check that.

I would say no,has to come apart

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

Did you check the transmission fluid level? If necessary, add fluid. However you probably have a more serious problem. Take the car to a qualified transmission mechanic.

is it auto or manual

I am going to assume this is a manual transmission, if it is 5th and reverse are on the same selector set, the only solution is to strip the transmission and check out whats broken.

2008 Elantra still under warranty.