Mixing Gear Oil and ATF

[Mike Hayes]

Whoops! I wasn't thinking this morning, and a topped off my 5 speed manual
transmission with gear oil instead of ATF. I drained it and refilled with
ATF,
but I'm concerned about any residual gear oil. Should I drain it again, or
will it be o.k.? Thanks,
Mike

Mike
'85 KTM 500 MX
'86 Yamaha Phazer
'87 Yamaha Phazer
'88 Ford F150 4X4 300-6 EFI
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[THP]

I take it it's a Ford!? no you won't have a problem

ATF is basically vegetable oil and alcohol w/a bunch of additives

I wouldn't worry about it

--
There is no sound,
there is no word that
can be heard unless
someone listens...

"Mike Hayes" <freigh...@MailAndNews.com> wrote in message
news:3AA9...@MailAndNews.com...

[Steve & Michelle]

Don't worry about it! The gear oil will work like a treatment additive and
accually help it!
Steve

[C E White]

THP wrote:
>
> I take it it's a Ford!? no you won't have a problem
>
> ATF is basically vegetable oil and alcohol w/a bunch of additives

? All the ATF I know about is derived from petroleum or synthetic base
stocks.

Ed

[- Philip]

>
>ATF is basically vegetable oil and alcohol w/a bunch of additives
>

You are thinking of BRAKE FLUID....not ATF.

-Philip-

"Character is like a tree and reputation a shadow.
The shadow is what we think of it; the tree is the real thing."
- Abraham Lincoln

[Larry Smith]

Brake fluid is not a mixture of alcohols and vegetable oil either,
although chemically the 'alcohol' part is correct.

"- Philip" <chip...@aol.com> wrote in message
news:20010304100023...@ng-fe1.aol.com...

[- Philip]

>Brake fluid is not a mixture of alcohols and vegetable oil either,
>although chemically the 'alcohol' part is correct.

Currently, it is accurate that brake fluids are based on glycols or silicone.
But there was a time when the Dept of Agriculture had to certify that the
potato oil used in brake fluid met specs.

~~Philip

"Vituperation is the hallmark of Usenet"

[Paul Menten]

Mike Hayes (freigh...@MailAndNews.com) wrote:
> Whoops! I wasn't thinking this morning, and a topped off my 5 speed manual
> transmission with gear oil instead of ATF. I drained it and refilled with
> ATF,
> but I'm concerned about any residual gear oil. Should I drain it again, or
> will it be o.k.? Thanks,
> Mike

Mike,
It is my understanding that ATF is gear oil. You didn't say what weight or
type of gear oil you put into the transmission but I would strongly believe
that there is no problem here. You might have actually helped it.

Ford specified 80w-90 gear oil for its 5 speeds when shipped to Germany.

Best of luck,

Paul

[Lionel Wagner]

Mike Hayes (freigh...@MailAndNews.com) writes:
> Whoops! I wasn't thinking this morning, and a topped off my 5 speed manual
> transmission with gear oil instead of ATF. I drained it and refilled with
> ATF,
> but I'm concerned about any residual gear oil. Should I drain it again, or
> will it be o.k.? Thanks,

> ------------------------------------------------------------
My old Chevette came from the factory with the manual transmission half
filled with ATF. I suspect this is a cheap way to make the transmission
shift easier in cold weather. I highly recommend you re-fill it with
synthetic, or semi-synthetic gear oil, like my higher quality VW Golf.

--
,_,
Lionel * Retired Audio/Visual Electronic Technician (O,O)
Wagner * Patron member, National Capital Freenet ( )
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