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Discussion Starter #1
I got a 1979 F150 with a 400 engine. 4WD pickup.
The transmission is a C6. I am hoing to change the filter and fluid.
I am getting conflicting stories from local parts stores. Do I need
type F fluid, or can I use Mercon III ?

Thanks
 
L

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Discussion Starter #2
On Mon, 28 Nov 2005 22:05:38 -0600, [email protected] wrote:

>I got a 1979 F150 with a 400 engine. 4WD pickup.
>The transmission is a C6. I am hoing to change the filter and fluid.
>I am getting conflicting stories from local parts stores. Do I need
>type F fluid, or can I use Mercon III ?
>
>Thanks


Dexron/Mercon type fluid tends to be a somewhat better lubricating
fluid for the C-series of trans.

However, if you want firmer shifts, use type F.

-LMB
 
T

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Discussion Starter #3
[email protected] wrote:
> I got a 1979 F150 with a 400 engine. 4WD pickup.
> The transmission is a C6. I am hoing to change the filter and fluid.
> I am getting conflicting stories from local parts stores. Do I need
> type F fluid, or can I use Mercon III ?
>
> Thanks
>




You NEED type F - Dexron is quick & sure death for the C-6.

Rob
 
T

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Discussion Starter #4
Louis M. Brown wrote:
> On Mon, 28 Nov 2005 22:05:38 -0600, [email protected] wrote:
>
>
>>I got a 1979 F150 with a 400 engine. 4WD pickup.
>>The transmission is a C6. I am hoing to change the filter and fluid.
>>I am getting conflicting stories from local parts stores. Do I need
>>type F fluid, or can I use Mercon III ?
>>
>>Thanks

>
>
> Dexron/Mercon type fluid tends to be a somewhat better lubricating
> fluid for the C-series of trans.
>
> However, if you want firmer shifts, use type F.
>
> -LMB
>


You NEED type F - Dexron is quick & sure death for the C-6.

Rob
 
L

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Discussion Starter #5
On Mon, 28 Nov 2005 22:05:38 -0600, [email protected]
wrote:

>I got a 1979 F150 with a 400 engine. 4WD pickup.
>The transmission is a C6. I am hoing to change the filter and fluid.
>I am getting conflicting stories from local parts stores. Do I need
>type F fluid, or can I use Mercon III ?
>
>Thanks



Ford change the clutch disc and fluid spec after the 1976
model year. If the trans is a 1977 up, it should use the
Dexron/Mercon spec fluid. You should also find this on the
dipstick. The current version of this is the Dexron
III/Mercon spec. Do not use the Mercon V spec in the C6.

Lugnut
 
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Discussion Starter #6
On Tue, 29 Nov 2005 08:46:02 -0500, lugnut <[email protected]>
wrote:

>On Mon, 28 Nov 2005 22:05:38 -0600, [email protected]
>wrote:
>
>>I got a 1979 F150 with a 400 engine. 4WD pickup.
>>The transmission is a C6. I am hoing to change the filter and fluid.
>>I am getting conflicting stories from local parts stores. Do I need
>>type F fluid, or can I use Mercon III ?
>>
>>Thanks

>
>
>Ford change the clutch disc and fluid spec after the 1976
>model year. If the trans is a 1977 up, it should use the
>Dexron/Mercon spec fluid. You should also find this on the
>dipstick. The current version of this is the Dexron
>III/Mercon spec. Do not use the Mercon V spec in the C6.
>
>Lugnut


Thanks to all that replied. The dipstick says to use ESP-M2C138-CJ
What the heck is that?????

Thanks
 
S

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Discussion Starter #7
> The dipstick says to use ESP-M2C138-CJ
> What the heck is that?????
>

Doing a Google search turned up this and 1000's of other hits.

SC Tom


http://www.morrislubricants.co.uk/images/products/Liquimatic Super ATF.pdf
Looks like it's Mercon/ DexronIII.


This is from the Lincoln forum group:
"From the 1979 Continental Mark V Owners Manual - 2nd Printing - 11/78

D7AZ-19582-A FORD ATF ESP-M2C138-CJ, or Dexron II Series D Fluid"
 
T

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Discussion Starter #8
lugnut wrote:
> On Mon, 28 Nov 2005 22:05:38 -0600, [email protected]
> wrote:
>
>
>>I got a 1979 F150 with a 400 engine. 4WD pickup.
>>The transmission is a C6. I am hoing to change the filter and fluid.
>>I am getting conflicting stories from local parts stores. Do I need
>>type F fluid, or can I use Mercon III ?
>>
>>Thanks

>
>
>
> Ford change the clutch disc and fluid spec after the 1976
> model year.


Holy cats, I did not realize it was that long ago.

Rob

If the trans is a 1977 up, it should use the
> Dexron/Mercon spec fluid. You should also find this on the
> dipstick. The current version of this is the Dexron
> III/Mercon spec. Do not use the Mercon V spec in the C6.
>
> Lugnut
 

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My 1978 F-250 400 W/ A C6 Takes dextron. It works fine that is what the stick number and owners. Truck shop manual l said to use. I think 77 was the first year for the Dextron change from Type F. it has worked fine for years and many miles.
 

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I sure would like to know for sure what my 1965 Merc Montclair Mercomatic MX takes. Manual says M-2C33-D R106A and it is not type F I found out the hard way. And it is not Mercon Dextron either so Once again I found out the hard way. I have been told it is something like Type A. I had to put a half can of Berrymans in it just so it would shift again. and changed 11 quarts each time. If some one would Please verify the correct fluid for this great old Merc. Thank you.; Paul.
 

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On Tue, 29 Nov 2005 08:46:02 -0500, lugnut <[email protected]>
wrote:

>On Mon, 28 Nov 2005 22:05:38 -0600, [email protected]
>>I got a 1979 F150 with a 400 engine. 4WD pickup.

>>The transmission is a C6. I am hoing to change the filter and fluid.
>>I am getting conflicting stories from local parts stores. Do I need
>>type F fluid, or can I use Mercon III ?
>>
>>Thanks
>
Ford change the clutch disc and fluid spec after the 1976
model year. If the trans is a 1977 up, it should use the
Dexron/Mercon spec fluid. You should also find this on the
dipstick. The current version of this is the Dexron
III/Mercon spec. Do not use the Mercon V spec in the C6.

Lugnut
Thanks to all that replied. The dipstick says to use ESP-M2C138-CJ
What the heck is that?????

Thanks
Merco/ Dextron, That is what my 78 has on the stick also. Been.
working real well and many miles for years
 
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