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Location:
Edmonton, Alberta, Canada
Registered:
October 2002
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 How do you tell if a junkyard tranny is any good?
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Wed, 22 October 2003 01:12
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I need to pull a T50 transmission from the junkyard but I don't know how to tell if its a working unit. I'm transplanting a 4AGE into my 73 Celica and trying to keep costs down (somewhat) so I don't want to keep buying trannys until I find a good one. I know very little about transmissions.
Some of them have the clutch and master cylinder intact and some don't. Do I just shift through the gears and try to judge by feel?
The T50's are also attached to other engines (I neglected to write down which ones) so can I use any T50 on my 4AGE? Or did they come with different bellhousings?
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Location:
c'town, NSW
Registered:
May 2002
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Re: How do you tell if a junkyard tranny is any good?
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Wed, 22 October 2003 01:27
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lol sorry i dont have an answer to your questions, i just find the title of this thread hilarious  
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Location:
Edmonton, Alberta, Canada
Registered:
October 2002
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Re: How do you tell if a junkyard tranny is any good?
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Wed, 22 October 2003 01:35
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ROFL
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I supported Toymods
Location:
Perth, Western Australia
Registered:
December 2002
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Re: How do you tell if a junkyard tranny is any good?
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Wed, 22 October 2003 02:56
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Yeah, the laugh factor got me reading too, was gonna say "install it and take it back when you find out it's stuffed!"
Seriously, while the trans is still on the ground put it in every gear and rotate the input shaft, while holding the output shaft. The movement should be smooth and knock free. Drop the oil if it has not been done, and look at the amount of metal filings on any magnet attached to the sump bung, don't worry about seeing a small amount, all boxes wear, especially one that 30 years old (ie boxes from TA22's!). you don't want to see anything bigger than dust. Run the shifter thrpought the gear changes to ensure it changes cleanly, and look for oil leaks especially between the bellhousing and box on a T50.
As for selection, I'd stay with the TA22 style T50, they have forward mount shifters, and this will enable you to keep the factory console. Sprinter boxes have rear mount shifters, and also 22 spline output shafts, necessitating a tailshaft change to use. T18 boxes also have the rear mount shifter, while utilising the 20 spline output shaft like your TA22 has.
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I supported Toymods
Location:
melbourne.victoria.austra...
Registered:
June 2002
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Re: How do you tell if a junkyard tranny is any good?
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Wed, 22 October 2003 07:06
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um, you forgot the bit that says you need a T50 with an A series bellhousing. and no the A series bell doesn't fit the T series T50.
i'm almost finished my 4AGE conversion into my 73 celica. i face the same issue you do, my T50 is unknown, well, it might be kinda known, i pulled the oil which was ok, the drain plug had a few grains on it, and put fresh 80w-90 oil in it - see how we go i spose, i get all my gears no issues.
i had to cut about 1.5" in the trans tunnel so the gear shifter would fit too FYi - the T50 with A bell fits your gearbox crossmember fine, i used the middle holes (there are four) for the crossmember to bolt to, with, ford cortina rubber pad mounts.
and then its time to make brackets and start fabricating. i'm using an RA65 celica accelerator cable, and, you need to cut the end off the TA22 pedal and weld the RA65 pedal bit on for it to work. on a std 4AGE (mine is running LPG) a KE55 corolla one might be a better idea.
also dizzy is on the wrong side for the 4AGE in the TA22 - need to move to other side - there is a flat section next to the external regulator which the coil mounts fine in - just some 2 core wire to bring the + and - over will work...
as far as your exhaust manifold goes, i can only wish you luck. am up to this now.....(did someone say HKS turbo manifold?)
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I supported Toymods
Location:
Perth, Western Australia
Registered:
December 2002
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