Author Topic: auto trans in a mk1 with 1.9tdi  (Read 1901 times)

May 03, 2017, 11:07:57 pm

sassyrose

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auto trans in a mk1 with 1.9tdi
« on: May 03, 2017, 11:07:57 pm »
Which auto trans would work well in a mk1 with a 1.9 tdi



Reply #1May 04, 2017, 12:04:18 am

libbydiesel

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Re: auto trans in a mk1 with 1.9tdi
« Reply #1 on: May 04, 2017, 12:04:18 am »
Are you planning mTDI or eTDI?  If planning on mTDI I would use the 010 from a rabbit/golf.  Rare, but they do exist.  They are also fairly robust units.  Only 3-speeds and no lockup, though.  They are completely mechanical units and would obviously be bolt-in.  If going eTDI, you could still use an 010 or you could use one of the auto boxes from a mk4/mk5 jetta/golf.  The o1m has 4 speeds and a lockup torque converter but is considered weak and failure prone.  I happen to own a couple stock TDI's with the o1m and have not had any issues.  Each of them that I bought, I got with failed transmissions although they both lasted over 200,000 miles which is pretty darn good, IMO.  I have had one of them as a daily driver for 5 years now and it has been flawless.  My wife and I are both very gentle drivers, though.  I don't have any real first hand experience with the 09a tiptronic.  The 09a is 5-speeds and lockup.   
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Reply #2June 17, 2017, 03:02:53 am

burn_your_money

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Re: auto trans in a mk1 with 1.9tdi
« Reply #2 on: June 17, 2017, 03:02:53 am »
If you are planning on AHU/1Z then the 010 starter will not bolt up the transmission due to clearance issues with the block. I doubt it would clear the turbo either. I have no idea if it would fit the ALH and newer engines. You might be able to make it work with a gasser starter but I'm doubtful. I'd go 09A if you are using eTDI
Tyler

Reply #3June 18, 2017, 01:48:04 am

libbydiesel

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Re: auto trans in a mk1 with 1.9tdi
« Reply #3 on: June 18, 2017, 01:48:04 am »
Burn, where is the interference with the 010 and AHU/1Z?
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Reply #4June 18, 2017, 10:28:59 pm

burn_your_money

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Re: auto trans in a mk1 with 1.9tdi
« Reply #4 on: June 18, 2017, 10:28:59 pm »
Good thing you asked. You've jogged my memory that I tried with an AAZ. The AHU/1Z may be different. I know that the starter hit the oil return bung on the block (not just the banjo bolt but the actual block) so I ground that off and then it hit on the webbing on the back of the block.
Tyler

Reply #5June 19, 2017, 07:00:59 pm

libbydiesel

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Re: auto trans in a mk1 with 1.9tdi
« Reply #5 on: June 19, 2017, 07:00:59 pm »
Interesting.  I was not aware but have not tried the swap.
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