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12-11-2016, 03:08 PM | #1 |
Senior Member
Join Date: Sep 2014
Location: Oakhurst, CA
Posts: 140
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Another Trans Question
My 36 Phaeton, which we think is all original (older restoration) pops out of second gear when slowing down in gear. On acceleration, no problem, just when slowing down. I can hold it in gear manually. 1st and third are fine. I don't mind double clutching. Should I just live with it until it needs major work?
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12-11-2016, 04:39 PM | #2 |
Junior Member
Join Date: Apr 2012
Posts: 21
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Re: Another Trans Question
My 50 did that replaced shifting fork's went away No Help
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12-11-2016, 04:46 PM | #3 |
Senior Member
Join Date: May 2010
Location: (Not far enough...) Outside of DC
Posts: 3,387
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Re: Another Trans Question
Hi Everyone. Oakhurst, My Phaeton did it when I got it too! Classic worn transmission. Sent mine to CharlieNY for his magic. Problem gone.
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12-11-2016, 05:05 PM | #4 |
Senior Member
Join Date: Jan 2011
Location: Central Ohio
Posts: 5,064
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Re: Another Trans Question
You can live with it . . . and it will probably be just fine for many miles, or you can have the transmission rebuilt and "usually" that will fix it. Many of the old dirt track racers used to have a steel "hook" on their dash, specifically used to HOLD the transmission in 2nd - so this issue has been around for many years. LOL
With that said, it depends WHO rebuilds it, what parts go into it and how much they know about these specific trans and their nuances. I just rebuilt a 39 Box with 25T Zephyr gears and had CharlieNY do some specialized work on the bushing inside of 2nd gear - he knows his stuff and is a solid Dude. |
12-11-2016, 05:10 PM | #5 |
Senior Member
Join Date: Jun 2010
Location: San Antonio, Texas
Posts: 16,426
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Re: Another Trans Question
Deceleration causes a backlash in the main shaft/input shaft/synchronizer fit. If there is a lot of wear on any of the parts it there, it can put a tweek on things and cause it to disengage. There are other things that can cause it too like too much end play with any of the shafts and there individual components. A worn thrust washer and face on the counter shaft cluster can cause problems. It is a symptom of the need for a through inspection and renewal of all excesively worn or broken parts.
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12-11-2016, 05:20 PM | #6 |
Senior Member
Join Date: Sep 2014
Location: Oakhurst, CA
Posts: 140
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Re: Another Trans Question
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12-11-2016, 05:28 PM | #7 |
Senior Member
Join Date: May 2010
Location: Star, MS
Posts: 4,024
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Re: Another Trans Question
I just rebuilt my '38 transmission that was doing the exact same thing, along with balky shifting. I had a '41 commercial with the double detent tower and later synchronizer so I combined enough parts to make one later style transmission. I was intimidated by the project at first. With tips from the 'Barn, Van Pelt's book and parts, it was actually very simple. I even sealed the leaky shafts with tips found here on the 'Barn.
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12-11-2016, 05:38 PM | #8 |
Senior Member
Join Date: Sep 2014
Location: Oakhurst, CA
Posts: 140
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Re: Another Trans Question
If and when I rebuild the trans, should i update it? I recall being told that the 39 has better syncros and I could still use the old case?
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12-11-2016, 05:41 PM | #9 |
Senior Member
Join Date: May 2010
Location: East Shore of LAKE HOUSTON
Posts: 11,111
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Re: Another Trans Question
That's all true scoop. Do yourself a favor and order MacVP's trans book........Sooooo much info, and Mac is the trans guru. He has all the GOOD parts, too. DD
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