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10-30-2020, 06:19 PM | #1 |
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200 metric issue
Ok, I figured since I am a master GM tech i would try my hand at checking why my metric lost 2nd gear. It had a high gear flare as well which could have been the eshift. Going manual valve body because the other wasn't legal but it was in it when i got it. Now, definitely steel metal in pan verified by a magnet. 3rd(direct) clutches are burnt but everything else looks ok. Also only 4 frictions in forward clutch, 2 in reverse. Band looked ok and billet pin isnt broken
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10-30-2020, 06:20 PM | #2 |
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Re: 200 metric issue
How's the sprag?
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10-30-2020, 06:36 PM | #3 |
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Re: 200 metric issue
Alan, its fine. Spins one way, doesn't the other. I think converter may be trash too. Not really finding anything steel in trans damaged. Drum(not aluminum)has been banged pretty good(the 4 tangs) by a previous sunshell but the current shell looks new.
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10-30-2020, 09:47 PM | #4 |
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Re: 200 metric issue
Jamie, What kind of servo? How much band clearance?
I would say, if the direct drum and the band is not burned, and everything else is intact, then the band is not applying.So now you've got to check the circuitry and fluid to the servo. I see the 3rd gear deal as a separate issue. We'll deal with that later. Who built this unit? You're putting a TA valve body back in it? *** Is the band anchor pin intact? Not sheared off?
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Real life never quite adds up.... Jay Farrar Last edited by Mark Yacavone; 10-30-2020 at 09:55 PM. |
10-31-2020, 05:40 PM | #5 |
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Re: 200 metric issue
I did not measure anything before I unstacked it. Assumed with steel in the pan it was gonna be bad. Anchor pin is good. Going with a Sepanek manual valve body. Its going to my trans guy now. Next question. Should you have to put 3 washers(stacked together) between the converter and flexplate? Thats how it was when I got it. I'm guessing mabye 1/8" worth of shim. I feel it is really close to being bottomed out in pump.
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10-31-2020, 06:01 PM | #6 |
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Re: 200 metric issue
Jamie,
1/8 inch sounds like the thickness of a motor plate. Did you try removing the washers and checking for converter hub engagement?
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Lew Silverman #2070 "The Wagon Master" N/SA |
11-01-2020, 09:26 AM | #7 | |
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Re: 200 metric issue
Quote:
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11-05-2020, 10:37 AM | #8 |
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Re: 200 metric issue
with the converter unbolted and pushed into the trans until it is bottomed out, you need 1/8 inch (.125) space between converter mounts and flexplate. In other words, converter mounted up needs 1/8 (.125) from being bottomed out in the trans.
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Mike Moller NHRA 203 Q-R-T/SA Last edited by MikeMoller; 11-05-2020 at 10:40 AM. |
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11-05-2020, 01:04 PM | #9 |
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Re: 200 metric issue
Low volume pumps sometimes require less than .125
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11-05-2020, 09:18 PM | #10 | |
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Re: 200 metric issue
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