Hi Chris,
That ear on the tailshaft prevents the shaft from working it's way out
of the back of the transmission case so it is necessary to be there.
The o-ring is about 1/4" from the end of the shaft so like I mentioned
earlier the shaft doesn't have to completely be removed to replace the
o-ring. Make sure you lube the o-ring up good when reinstalling the
shaft so that it doesn't get damaged on the case edge. It's a fairly
tight fit in the case and through the servo and strut arm.
Stevan Miner
Miner Auto Service
Winnebago, MN
----- Original Message -----
From: "Chris Strohmeyer" <chrisstroh@xxxxxxxxxxx>
To: <mailing-list@xxxxxxxxxxxxxxxx>
Sent: Sunday, December 17, 2006 10:17 AM
Subject: Re: IML: 727 leak
Thx Stevan and Dave,
The shaft end looks to be blocked only by a useless ear of the
tailshaft. It appears like the designers put it there by accident
which prevents me from sliding the shaft rearward no more that about
1/2" . I wonder if the o ring is within 1/2" of the end? Is the
shaft stationary or does it move on it's axis or forward and aft?
Thx guys,
Chris
67 Imperial Convertible
----- Original Message -----
From: "Stevan Miner" <miner@xxxxxxxxxxx>
To: <mailing-list@xxxxxxxxxxxxxxxx>
Sent: Sunday, December 17, 2006 6:27 AM
Subject: Re: IML: 727 leak
Hi Chris,
What you have leaking is the O-ring on the end of the shaft that the
low-reverse servo arm pivots on. You can change this without trans
removal but it takes a little work. You'll have to remove the
tailshaft. Remember there is a snap ring under the cover that is now
hidden by the rear transmission mount. The pan and valve body will
also have to be removed. You can then take a long punch from the
inside of the case and tap that shaft rearward to get at the
offending o-ring. I never completely remove the shaft just enough to
replace the O-ring. Makes it alot easier to line everything back up
and less chance of dislodging the reverse band strut link. I always
replace as the seals and gaskets that were distributed during the
procedure including the selector shaft seal.
Stevan Miner
Miner Auto Service
Winnebago MN
----- Original Message -----
From: "Chris Strohmeyer" <chrisstroh@xxxxxxxxxxx>
To: <mailing-list@xxxxxxxxxxxxxxxx>
Sent: Sunday, December 17, 2006 12:45 AM
Subject: IML: 727 leak
This is going to be hard to describe but here goes. On my 67
Imperial I have a leak at just below the vertical surface that the
tailshaft bolts to. It's a small space between the lower flange of
the tailshaft and the TOP of the oil pan FLANGE. To see it you have
to look from the back of the transmission looking forward. It's
slightly off center of the tailshaft and where it's leaking appears
to look like the end of a aprox 3/4" diameter shaft. Oil is seeping
from this "shaft end". I've looked at the breakaway photos of the
727 and see nothing that looks like this inside so my next step is
to drain the tranny,pull the pan and see.
Does anyone know what I'm talking about?
Thx,
Chris Strohmeyer
----- Original Message -----
From: "Robin Giesbrecht" <robings@xxxxxxxxxxx>
To: <mailing-list@xxxxxxxxxxxxxxxx>
Sent: Saturday, December 16, 2006 9:59 PM
Subject: Re: IML: power steering leak - O rings
You can buy rebuild kits for the power steering pump that are
really only a seal kit. There is a big oring that seals the whole
canister and a few more seals for the shaft and the relief valve I
think. Not that hard to do.
Robin Giesbrecht
72 Imperial
From: Kenyon Wills <imperialist1960@xxxxxxxxx>
Reply-To: mailing-list@xxxxxxxxxxxxxxxx
To: mailing-list@xxxxxxxxxxxxxxxx
Subject: Re: IML: power steering leak - O rings
Date: Sat, 16 Dec 2006 21:26:56 -0800 (PST)
--- Chris Strohmeyer <chrisstroh@xxxxxxxxxxx> wrote:
> Kenyan said...........
>
> 4. "Bad o-rings"? Anyone else that works on cars
> where you live? That sounds like bad advice to me,
> but it may be out of context and part of other info
> that he gave?
>
> Aren't there 1 or 2 large o rings on the power
> steering pump that seals the
> reservoir can?
>
> Chris
True. There are o-rings. The way that the thing's
put together sorta precludes catastrophic fluid loss
as described in the letter posted here, but to address
the question:
If I were going to pay a mechanic to deal with this, I
would buy a replacement pump unit that comes with a
warranty so that I didn't have to worry about it.
Reason being that I don't agree with paying a mechanic
to only partially rebuild a pump for a labor charge
that could very likely equal or exceed the cost of a
replacement. I would pay the rehab factory that will
give a warranty do that portion instead and get the
whole thing spec'd out by someone that does nothing
but. That's what I'd do, anyway.
Also, a failed O-ring seal is highly unlikely to cause
the sort of rapid fluid loss described, so that's what
I was thinking based on the info given, but I wasn't
there.
Please use an o in my name. I'm particular about
that.
-Kenyon
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