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transmission diagnosis- drops out of third after warmup [message #132003]

Sat, 25 June 2011 19:09

hertfordnc

Messages: 1164
Registered: September 2009
Location: East NC

Karma: 0

Senior Member

This came from the Revcon forum but there are so few first generation Revcons among them there is not so much good knowledge.

The owner says it dropped out of third several times at the end of a long trip. The following it shifted good for about ten miles then dropped out of third again.

Is this anything a major failure?

Dave & Ellen Silva Hertford, NC 76 Birchaven, 1-ton and other stuff Currently planning the Great american Road Trip Summer 2021 It's gonna take a lot of Adderall to get this thing right.

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Re: transmission diagnosis- drops out of third after warmup [message #132008 is a reply to message #132003]

Sat, 25 June 2011 19:36

Dennis S

Messages: 3046
Registered: November 2005

Karma: 2

Senior Member

hertfordnc wrote on Sat, 25 June 2011 19:09

Sounds similar to what Dan experienced when his governor failed. Didn't the weights beocme sheared?

Check his blog for the whole story...

Dennis

Dennis S
73 Painted Desert 230
Memphis TN Metro

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Re: [GMCnet] transmission diagnosis- drops out of third after warmup [message #132020 is a reply to message #132003]

Sat, 25 June 2011 21:10

USAussie

Messages: 15912
Registered: July 2007
Location: Sydney, Australia

Karma: 6

Senior Member

Dave,

Does the Revcon Forum know about:

Manny Trovao
11447 Clayton Road
San Jose, CA 95127
(408) 937-1583
mannystrans@gmail.com

Regards,
Rob M.
Sydney, Australia
AUS '75 Avion-The Blue Streak TZE365V100428
USA '75 Avion-Double Trouble TZE365V100426

-----Original Message-----
From: gmclist-bounces@temp.gmcnet.org
[mailto:gmclist-bounces@temp.gmcnet.org] On Behalf Of dave silva
Sent: Sunday, 26 June 2011 10:10 AM
To: gmclist@temp.gmcnet.org
Subject: [GMCnet] transmission diagnosis- drops out of third after warmup

This came from the Revcon forum but there are so few first generation
Revcons among them there is not so much good knowledge.

The owner says it dropped out of third several times at the end of a long
trip. The following it shifted good for about ten miles then dropped out of
third again.

Is this anything a major failure?
--
Dave & Ellen Silva

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Regards, Rob M. (USAussie) The Pedantic Mechanic Sydney, Australia '75 Avion - AUS - The Blue Streak TZE365V100428 '75 Avion - USA - Double Trouble TZE365V100426

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Re: transmission diagnosis- drops out of third after warmup [message #132035 is a reply to message #132003]

Sat, 25 June 2011 22:31

Ken Burton

Messages: 10030
Registered: January 2004
Location: Hebron, Indiana

Karma: 10

Senior Member

The question is does it quit pulling completely or shift back to second after warmup?

If it shifts back to second, it could be the governor, the modulator, or the down shift solenoid (passing gear), or vacuum loss to the modulator.

Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana

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