Re: Transmission Leak Question
"blurp" <email@example.com> wrote in message
> On Mon, 14 Mar 2005 11:40:23 -0500, the illustrious Mike F
> <"mikef2316()"@allsttream.nett> favored us with the following prose:
> >blurp wrote:
> >> On Mon, 14 Mar 2005 10:42:47 -0500, the illustrious blurp
> >> <firstname.lastname@example.org> favored us with the following prose:
> >> >Hi all,
> >> >
> >> >I am finally having my first garage-worthy problem with my 1988
> >> >760GLE.
> >> >
> >> >I've been going through transmission fluid at a rate of about 2-3
> >> >litres per week (!!!) and I finally got under the car this morning to
> >> >see what the problem was. A leak, of course. It seems sprayed all over
> >> >the area where the drive shaft connects to the transmission and the
> >> >joint there is soaked in fluid so my diagnosis is that this seal has
> >> >given out. There is some mention on the Mitchell CDROM that a plugged
> >> >vent can also cause fluid to be forced past the seal so there are two
> >> >possible causes that I need to investigate.
> >> >
> >> >First question: What is the actual proper term for this seal? I know
> >> >where the differential meets the driveshaft there's a "pinion seal"
> >> >but what's the seal at the other end?
> >> >
> >> >Second question: Is there some way I can determine if the vent is
> >> >plugged without getting under the car again? And if the vent is
> >> >plugged would you advise that, once the seal has been compromised, I
> >> >should replace it anyway?
> >> >
> >> >The local garage I'm looking at trying for the first time (at Mount
> >> >Pleasant and Davisville in Toronto...anyone have a review?) told me I
> >> >could bring it in tomorrow morning so I'm mainly looking for some
> >> >intelligence before walking in there.
> >> >
> >> >Thanks for reading this,
> >> >blurp
> >> Here's another possible issue: both the owner's manual and the Haynes
> >> manual specify Type F transmission fluid (and that's what it's been
> >> getting). The Mitchell CDROM, however, says that "If Type F is used
> >> the clutches may be damaged".
> >> Any thoughts?
> >> blurp
> >That's the transmission output shaft seal. The output shaft is
> >supported in a bushing, not a ball or roller bearing. What usually
> >happens is the bushing wears, then the output shaft moves up and down
> >too much, and the seal fails. You'll probably need to have the bushing
> >replaced as well as the seal.
> >Your transmission should be using Dexron, not type F.
> Thanks, Mike.
> There are few words to describe how stupid I feel right now and, based
> on my actions, most of them would be an insult to people with
> diminished mental capacity.
> My Haynes manual says to use Type F on cars up to 1983... my 240 is an
> 83 and I'm so used to looking for that qualifier that I must have
> mixed it up and misread that THIS car (a 1988) took Type F.
> Oooops. I've poured in (and through) about 6 litres of Type F and one
> bottle of Lucas Transmission sauce (or whatever it's called).
> So what damage am I likely to have done or what damage am I likely to
> have accellerated? I'm getting the seal looked at tomorrow, should I
> get the flush/fill right away to avoid any further damage between now
> and then?
> Thanks again,
You probably didn't do any damage so quickly, just flush it out with the
right stuff and it'll be fine (aside from the seal and bushing of course)