727 leak

["Chris Strohmeyer" <chrisstroh@xxxxxxxxxxx>]

Oh, ok. Got it. I'll buy a tranny gasket before I take this on. While I have 
your knowledge, the kickdown adjusting screw may be leaking too. Does the 
threaded shaft have to come out or is there an o ring just under the nut?

Thx for your help,
Chris
----- Original Message ----- 
From: "Stevan Miner" <miner@xxxxxxxxxxx>
To: <mailing-list@xxxxxxxxxxxxxxxx>
Sent: Sunday, December 17, 2006 3:11 PM
Subject: Re: IML: 727 leak


> You'll never get it out far enough to get at the o-ring with the tailshaft 
> in place. I suppose you could take all the bolts out of the tailshaft and 
> rotate it around so that the ear was no longer blocking the shaft. I'd be 
> concerned about the gasket then between the case and the tailshaft 
> leaking.
> ----- Original Message ----- 
> From: "Chris Strohmeyer" <chrisstroh@xxxxxxxxxxx>
> To: <mailing-list@xxxxxxxxxxxxxxxx>
> Sent: Sunday, December 17, 2006 4:34 PM
> Subject: Re: IML: 727 leak
>
>
>> Hi Stevan,
>>
>> If the o ring is 1/4" in from the end, and I can move it 1/2" to the ear 
>> blocking it, what prevents me from replacing it right there?
>>
>> Chris
>> ----- Original Message ----- 
>> From: "Stevan Miner" <miner@xxxxxxxxxxx>
>> To: <mailing-list@xxxxxxxxxxxxxxxx>
>> Sent: Sunday, December 17, 2006 1:00 PM
>> Subject: Re: IML: 727 leak
>>
>>
>>> Hi Chris,
>>> The tailshaft must come off as the shaft exits out the back of the case. 
>>> The o-ring is just a standard one that you can buy at any parts store. 
>>> Just bring the old one along and compare. If you buy a seal and gasket 
>>> package for your transmission (there is several other gaskets you'll 
>>> need anyway) there will be one in that kit. I use ATP brand at my shop.
>>> Stevan Miner
>>> Miner Auto Service
>>> Winnebago, MN
>>> ----- Original Message ----- 
>>> From: "Chris Strohmeyer" <chrisstroh@xxxxxxxxxxx>
>>> To: <mailing-list@xxxxxxxxxxxxxxxx>
>>> Sent: Sunday, December 17, 2006 2:28 PM
>>> Subject: Re: IML: 727 leak
>>>
>>>
>>>> Thx Stevan,
>>>>
>>>> Doesn't that mean I could change the o ring without pulling the 
>>>> tailshaft? is the oring a standard one i could get at any auto store?
>>>>
>>>> Chris
>>>>
>>>> ----- Original Message ----- 
>>>> From: "Stevan Miner" <miner@xxxxxxxxxxx>
>>>> To: <mailing-list@xxxxxxxxxxxxxxxx>
>>>> Sent: Sunday, December 17, 2006 10:12 AM
>>>> Subject: Re: IML: 727 leak
>>>>
>>>>
>>>>> 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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