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RE: Transmission Questions

To: Christopher Delling <saschris@flash.net>
Subject: RE: Transmission Questions
From: Art Pfenninger <ch155@FreeNet.Buffalo.EDU>
Date: Thu, 19 Mar 1998 17:12:50 -0500 (EST)
        As far a flushing the gear oil out, I doubt that you could do it.
As far as filling the tranny, pump the oil in until it runs out, just as
you would do with the rear end. Using a pump you can do it from underneath
the car.
...Art

On Thu, 19 Mar 1998, Christopher Delling wrote:

> Thanks for chastising me on this one.  Getting a little cranky are we?  I 
>know that the owners manual specifies motor oil, I didn't choose to have it 
>filled with 90 weight.  What I wanted to know was if the use of the gear oil 
>is causing my problem.  I intend to drain the gearbox and overdrive, and 
>refill with motor oil.  I have one vote for 20W50, and one for 30 weight.  
>What do you recommend?  Do I need to flush out the box (if so, what should I 
>use?), or is simply draining and refilling going to be O.K.  
> 
> I also know what a dipstick is for, and in general how they work.  
>Specifically how low is the tranny when the oil drops to the low mark?  A 
>pint?  A quart?  No marks that I have seen give me a clue, and seeing that 
>it's already a pain in the ass to get oil into the transmission (as opposed to 
>in the interior of the car, I would prefer to have some idea of how much oil 
>to put in so that I don't have to keep pulling the hose out to check the level 
>during the filling operation.
> 
> Regards,
> 
> Chris Delling
> 
> -----Original Message-----
> From: Lawrie  Alexander [SMTP:Lawrie@britcars.com]
> Sent: Thursday, March 19, 1998 12:55 AM
> To:   Christopher Delling; 'mgs@autox.team.net'
> Subject:      Re: Transmission Questions
> 
> Chris....if the factory had felt it was OK to run the gearbox low on oil,
> they'd probably have fitted a longer dipstick. Also, if they hadn't wanted
> you to use engine oil, they'd have said so.
> I think you just proved why it's so important to read the owner's manual
> and do what it tells you!
> 
> Lawrie
> 
> ----------
> > From: Christopher Delling <saschris@flash.net>
> > To: 'mgs@autox.team.net'
> > Subject: Transmission Questions
> > Date: Wednesday, March 18, 1998 5:32 PM
> > 
> > My B is fitted with a 4-synchro O.D. tranny, which was rebuilt last year.
>  It seems that the gears in the tranny have a ceramic like coating on the
> taper that the synchro ring rides on.  The bond between the coating and the
> 2nd gear failed, and the coating fell of, rendering the synchro useless. 
> This occured very suddenly, one gearchange was fine, the next was
> accomapnied by a crunch of gears, all of which resulted in the re-build,
> after which everything seemed fine for several months.
> > 
> > This spring, when I returned the car to the road after winter storage, I
> noted that the 3rd gear synchro seems to be acting up.  It was fine when
> the car was put into storage.  All new synchros were fitted during the
> rebuild.  
> > 
> > I have noted that the tranny oil level is down a bit, below the low level
> mark - I don't know how much down this mark signifies.  The mechanic who
> did the work - only does Brit Cars by the way, uses 90 weight gear oil in
> all trannies, and this is what he filled my box with.  Also, when I drove
> the car, the temperature was quite a bit lower than in the summer when the
> car gets most of its use.
> > 
> > What is the list wisdom on 90 weight in the trans?  Could this account
> for my problem?  I know that 20W-50 is the normally reccomended fluid.  How
> about the low oil level?  Anyone have a feel for how low the transmission
> is if the oil drops below the low mark on the dipstick?
> > 
> > Best Regards,
> > 
> > Chris Delling
> 
> 


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