Even on the factory rebuilds (at least at our shop)....that hole is
drilled (not quite as large as the Shift Kit installation guides...but
enough to help).
Saying that it won't do any damage is not something I'd like to say.
There's always the possibility that the retainer did break and the two
tiny valves can come out at any time.
- Bernd
-----Original Message-----
From: owner-dakota-truck@bent.twistedbits.net
[mailto:owner-dakota-truck@bent.twistedbits.net] On Behalf Of Michael
Maskalans
Sent: Saturday, October 11, 2003 7:02 PM
To: dakota-truck@dakota-truck.net
Subject: Re: DML: RE: Gary's trans problem is mine, too?
On Friday, October 10, 2003, at 07:05 PM, Bernd D. Ratsch wrote:
> First off, did you drill the hole in the plate above the boost valve?
nope, I didn't do their "lockup hop-up" mod. They wanted the low wear
plastic rings installed for that hole to be drilled, and I didn't have
the trans apart. I've since been wishing that I'd poked that hole
anyway....
> This greatly enhances the lock-up engagement (less sloppy). Also, did
> you happen to check the boost valve retainer itself (underneath the
> plate).
>
> I'll email you a picture off list of the boost valve location.
thanks for the diagram. I never pulled that plate and I don't recall
looking at the retainer specifically. I'll probably pull the valve
body again in a few thousand miles when I do the trans fluid again (the
fluid got pretty hot on my way west this summer a few times, so I'll
feel better if I do it at the 10k or less mark - esp since it's not
ATF+4...). Then I'll check the retainer and boost valve, and probably
enlarge that lockup hole.
All this is assuming that I'm doing incredibly minimal (if any) damage
if that valve isn't operating within spec. couldjya lemme know if I
should move that up my schedule?
-- Michael Maskalans <http://mike.tepidcola.com/> ClassTech Consultant - ITS Printer Tech - ITS Lab Tech mobile.612.618.4652 campus.585.274.2246 fax.954.697.0487
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