Diagnosing Allison Code 32

[truitt44@...>]

Ryan,
I have no idea of your problem but also being the owner of an 86 8V92 PT40 with
a 5 speed Allison I am very interested in what you find out. Please keep us
posted and good luck.
Howard Truitt
Camilla, Ga.
86 PT40


>
> From: "Ryan Wright"
> Date: 2007/06/26 Tue AM 02:09:42 EDT
> To: WanderlodgeForum@yahoogroups.com, wanderlodge@yahoogroups.com
> Subject: [WanderlodgeForum] Diagnosing Allison Code 32
>
> Here's the story: When switching from drive to neutral, roughly every
> third time give or take the transmission will shudder a bit before
> going into neutral and the "check trans" light will come on. Pressing
> the "test trans" button causes the light to flash a code 32.
>
> This happened to me on the way home from buying the coach at Mr.
> Oliver's in Texas. An Allison licensed shop in Montana (Interstate)
> diagnosed it as the reverse solenoid getting pressure when it
> shouldn't. They tested the external wiring harness and found no
> shorts. Did not have parts on hand and I needed to get home so I drove
> the bus home as-is and brought it to a shop here. Cost me $400 for
> diagnosis.
>
> As of Friday, local shop has replaced the reverse solenoid, filter &
> flushed/refilled the trans fluid. Cost me $1000 including extraction
> and repair of two seized bolts on the trans pan. Problem still exists.
>
>
> I'm going to take it back to them, but does anyone have any idea
> whatsoever on this one before I sink several grand into more
> diagnostic labor? Seems to me it should be straight forward; I know
> when my car sets an engine code, it's just, "Replace part x." I'd
> imagine the built in diagnostics on my transmission would be just as
> smart, would they not? This one is getting frustrating and expensive
> fast.
>
> -Ryan
> '86 PT-40 8V92
> Tri-Cities, WA
>
>