727 leak

["Chris Strohmeyer" <chrisstroh@xxxxxxxxxxx>]

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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>>>>>>
>>>>>>
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>>>>>
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