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Hi all,

Seems like a lot of people have had various auto trans problems with this vintage Hyundai. I've got a '96 Lantra GLS auto 1.8l which is now on its 3rd gearbox I know of -- it had intermittent problems with the 1st owner when I first bought it, I suspect, as he had a low price -- sure enough, after a year or two, it lost 2nd gear from memory, engine just races without engaging. In Oz, the standard recommendation is 'replace the gearbox with a reco unit', which I did, probably about 2 thou. A couple of years later, I did a full replacement of the engine and gearbox together as both had problems -- engine was screwed because a dent in the oil sump had seized the oil pump and gradually done damage, and the reco gearbox was already playing up, don't remember the problem this time, think it was the same. It was cheaper to drop a new engine and gearbox in together as a unit than separately. About 3 thou for that. Now this third gearbox is losing overdrive -- engine just races and 4th gear slips intermittently when engaged.

Anyone know what the cause of intermittent loss of 4th gear typically means under these circs? I'd like to hope it's just a minor problem like the TSB #03-40-007 problem (my nick seems strangely appropriate by a coincidence), rather than mechanical. Why do these gearboxes have so much trouble, and do these problems sound mechanical or electronic? The solution here is always 'get yet another reco gearbox installed' which on the 3rd or 4th go is getting ludicrous. The recos of course only have 3 or 6 months warranty on them, etc, so when they fail 2 years down the track you have no recourse. I find it hard to believe I'm the only person with this model with a run of gearbox problems.

Does anyone know a Hyundai trans specialist in Sydney who will actually diagnose a problem well and cheaply, rather than just replace the gearbox? Or what other recourse do you have when every replacement gearbox develops a fault in 2-3 years? It's obviously a big and unnecessary outlay, and as someone else pointed out, if I had a money tree I wouldn't have a Hyundai -- I may as well buy something at twice the price and have some reliability.
 

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Random 4th slip, harsh engagement, MIL, P-0734 ----

Possible TORRINGTON ® roller bearing come apart.... people have said you can replace it, but here in USA we are not allowed to service trans internal guts..
 

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QUOTE (sbr711 @ May 13 2010, 10:17 AM) index.php?act=findpost&pid=322281
Random 4th slip, harsh engagement, MIL, P-0734 ----

Possible TORRINGTON ® roller bearing come apart.... people have said you can replace it, but here in USA we are not allowed to service trans internal guts..
thanks for that. could it just be a stuck solenoid I wonder?

anyone know anyone in sydney who troubleshoots auto trannies instead of just replacing them with another reco? or is it too hard to get to the solenoids etc without expensive removal anyhow
 
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