Re: A904 Line Pressure Issues
[Re: GOAT Duster]
#2681896
07/27/19 08:47 PM
07/27/19 08:47 PM
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Joined: Nov 2003
Posts: 36,040 Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,040
Lincoln Nebraska
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trans was OK before the rebuild? (other than needing rebuilding). did the rebuilder note any specific part changes (valve body etc). this is more of a BTT for ya.
live every 24 hour block of time like it's your last day on earth
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Re: A904 Line Pressure Issues
[Re: RapidRobert]
#2681897
07/27/19 08:56 PM
07/27/19 08:56 PM
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Joined: Oct 2008
Posts: 106 Albuquerque, NM
GOAT Duster
OP
member
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OP
member
Joined: Oct 2008
Posts: 106
Albuquerque, NM
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Trans had a broken valve body, so a used one purchased online was put in it. Trans was given to me in the broken state, so I am not sure of what else may have been wrong. Since condition was unknown a rebuild was decided on. I was thinking that the throttle position lever was put in wrong since it doesn't do anything. Or maybe the valve body was bad...it was used after all. Problem is the trans was redone over a year ago and sat for the past year until the project picked up again.
Last edited by GOAT Duster; 07/27/19 09:01 PM.
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Re: A904 Line Pressure Issues
[Re: GOAT Duster]
#2681902
07/27/19 09:29 PM
07/27/19 09:29 PM
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Joined: Nov 2003
Posts: 36,040 Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,040
Lincoln Nebraska
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I'd wait for Kunkel & Transman to chime in but if it was me I'd wanna do something with/about the VB (the brain) AFTER pulling the pan & seeing if the throttle pressure linkage etc looks right. (not my area just thinking out loud).
live every 24 hour block of time like it's your last day on earth
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Re: A904 Line Pressure Issues
[Re: GOAT Duster]
#2682019
07/28/19 12:43 PM
07/28/19 12:43 PM
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Joined: Jan 2003
Posts: 25,785 Rio Linda, CA
John_Kunkel
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 25,785
Rio Linda, CA
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Disconnect the Lokar cable at the transmission lever and push the lever full forward. If it will upshift with the cable disconnected, the problem is in the cable installation/adjustment. If it still won't upshift the problem is internal.
The INTERNET, the MISinformation superhighway
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Re: A904 Line Pressure Issues
[Re: GOAT Duster]
#2682296
07/29/19 10:59 AM
07/29/19 10:59 AM
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Joined: Sep 2003
Posts: 19,388 north of coder
moparx
"Butt Crack Bob"
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"Butt Crack Bob"
Joined: Sep 2003
Posts: 19,388
north of coder
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did you disassemble & clean the valvebody before installation ? if so, maybe one of the check balls got placed in the wrong position or omitted. if not, there may be a sticking valve or "???" inside the valvebody. in either case, i would remove the valvebody, disassemble & clean, then inspect closely to see if anything may be suspect. then proceed accordingly with what is found.
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Re: A904 Line Pressure Issues
[Re: GOAT Duster]
#2682351
07/29/19 01:14 PM
07/29/19 01:14 PM
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Joined: Jan 2003
Posts: 25,785 Rio Linda, CA
John_Kunkel
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 25,785
Rio Linda, CA
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Before removing anything, I would check the governor pressure, no governor, no upshift. It's fairly common to have a governor failure right after an overhaul due to improper assembly of the governor.
The INTERNET, the MISinformation superhighway
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Re: A904 Line Pressure Issues
[Re: UCUDANT]
#2682523
07/29/19 09:07 PM
07/29/19 09:07 PM
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Joined: Oct 2008
Posts: 106 Albuquerque, NM
GOAT Duster
OP
member
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OP
member
Joined: Oct 2008
Posts: 106
Albuquerque, NM
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Love it Bob, what's the color scheme for this one?
Last edited by GOAT Duster; 07/29/19 10:45 PM.
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