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Hyundai Elantra Transmission Questions

136 messages,  Last post on Mar 07, 2013 at 2:26 PM

You are in the Hyundai Elantra Forum.

What is this discussion about? Hyundai Elantra, Transmission, Hatchback, Sedan, Wagon

Messages Page 10 of 15

#85 of 136 Re: 1999 Hyundai Elantra transmission issue [bigwillie0826] by grump1

Mar 25, 2009 (3:37 pm)

Replying to: bigwillie0826 (Mar 25, 2009 3:21 pm)
WELCOME TO THE HYUNDAI ELANTRA MOTOR -- NO POWER CLUB --... MINE NEVER HAD POWER UP HILLS EITHER IN THE LAST 8 YEARS THAT I HAVE OWNED IT... GET USE TO IT.
 
GOOD LUCK....!!!!!!!!!

#86 of 136 Re: 1999 Hyundai Elantra transmission issue [bigwillie0826] by bhmr59

Mar 25, 2009 (6:08 pm)

Replying to: bigwillie0826 (Mar 25, 2009 3:21 pm)
Did you use the Hyundai required transmission fluid? A generic trans fluid can cause transmission problems.

#87 of 136 Re: 1999 Hyundai Elantra transmission issue [bhmr59] by grump1

Mar 25, 2009 (6:24 pm)

Replying to: bhmr59 (Mar 25, 2009 6:08 pm)
the mechanic that changed the filter and fluid used -- dexron3 , he said it would work.

#88 of 136 Re: 1999 Hyundai Elantra transmission issue [bigwillie0826] by tenpin288

Mar 25, 2009 (6:25 pm)

Replying to: bigwillie0826 (Mar 25, 2009 3:21 pm)
This only happens when going uphill. downhill and flat runs great
 
I have a small exhaust leak but can't seem to find it
 
One thing you might check is to see if your exhaust system/catalytic converter is plugged or partially plugged. I remember seeing from my old days in the auto service field many a loose baffle in mufflers or collapsed manifold or exhaust pipes. Those would create excessive backpressure and loss of power on hills or full throttle. If possible, you could drop the pipe from the exhaust manifold and then test drive it under the problem conditions.Just be forewarned it will be loud and keep the windows open.

#89 of 136 Re: 1999 Hyundai Elantra transmission issue [grump1] by backy

Mar 25, 2009 (8:18 pm)

Replying to: grump1 (Mar 25, 2009 6:24 pm)
Unfortunately, your mechanic was wrong. If I were you, I'd show him some posts like this from the Web and demand he pay to repair/replace the transmission that he ruined with the Dexron III fluid.
 
http://www.hyundai-forums.com/t5918-automatic-transmission-fluid-type.htm

#90 of 136 Re: 1999 Hyundai Elantra transmission issue [bhmr59] by bigwillie0826

Mar 29, 2009 (11:10 am)

Replying to: bhmr59 (Mar 25, 2009 6:08 pm)
It was doing this before I changed the fluid and filter. That's specifically why I did it. I had this same problem with my 1989 Chevy Beretta GT and changed the fluid and the filter and it fixed it but unfortunately it didn't work on my Elantra.

#91 of 136 Re: 1999 Hyundai Elantra transmission issue [tenpin288] by bigwillie0826

Mar 29, 2009 (11:16 am)

Replying to: tenpin288 (Mar 25, 2009 6:25 pm)
I do have a small exhaust leak that I can't seem to locate but the rest of the system looks fine. Now I was thinking it might be a blocked Catalytic converter so a friend of mine told me to run it at night until its hot and look to see if the converter is red or glowing. He said if it has a restriction that it would overheat and the metal would start to glow when it gets hot but I havn't noticed any redness or glowing when I look at it in the dark. Now if I try what you said and disconnect it and drive it uphill what am i listening for and i disconnect it above the converter right? But wouldn't this cause the vehicle to run poorly due to the O2 sensors not getting the correct signals?

#92 of 136 Re: 1999 Hyundai Elantra transmission issue [bigwillie0826] by tenpin288

Mar 29, 2009 (11:51 am)

Replying to: bigwillie0826 (Mar 29, 2009 11:16 am)
You would not really be listening for anything. The idea is to open up the system and see if excessive backpressure is the cause of the performance decline. Doing so will make it loud and possibly dangerous from exhaust fume infiltration into the cabin, so I do recommend doing so only with open windows. As far as the O2 sensors, they would not get correct info but that should only be a minor problem. If high backpressure is the cause and you open up the exhaust, the performance increase should well outweigh any decrease from incorrect O2 sensor readings.

#93 of 136 Re: 1999 Hyundai Elantra transmission issue [tenpin288] by bigwillie0826

Mar 31, 2009 (9:04 am)

Replying to: tenpin288 (Mar 29, 2009 11:51 am)
Well I found the exhaust leak. My damn manifold is cracked in 2 places. Looks like I'm heading to the junk yard. $225.oo for a new one is just too much lol.

#94 of 136 Re: 1999 Hyundai Elantra transmission issue [bigwillie0826] by bigwillie0826

Apr 02, 2009 (9:35 am)

Replying to: bigwillie0826 (Mar 31, 2009 9:04 am)
well the car goes into the dealership on tuesday. I found that the manifold was recalled and i can now get it fixed for free. my wallet is sooo happy lol

Messages Page 10 of 15

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