Transmission ??

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Nov 12, 2007 | 08:22 PM

Modified 99

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From: Ft. Worth, TX

Transmission ??

How can I tell if I have the 4R100 or 4R70W transmission?
What is the total fluid capacity of each?

Nov 12, 2007 | 08:54 PM

FTE Herman

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Square pan, 4x4, drain plug, 5.4l.

Nov 13, 2007 | 09:17 AM

buzzard

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From: All over Texas

The 100 has a massive boxy look while the 70 has a more traditional bell shaped look. Additionally, most 100's have drainplugs. The 100 holds around 17 quarts including torque converter.

Nov 13, 2007 | 09:55 AM

Nelson acc

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www.accperformance.com

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Nov 14, 2007 | 06:03 AM

Modified 99

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From: Ft. Worth, TX

Since my transmission does NOT have a drain plug it must be the 4R70W. I'm going to change the fluid today including the filter, TC and cooler.

Nov 14, 2007 | 08:08 AM

Nelson acc

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If I can help, let me know

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Nov 14, 2007 | 08:55 AM

projectSHO89

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From: St Louis

Read the TR code on your door sticker then look it up using the decoders available on this site.

Steve

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Nov 14, 2007 | 04:46 PM

Nelson acc

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You should be able to give any dealership your code or vin and they can tell you

Nov 14, 2007 | 05:55 PM

#10

hokiebob

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My 99 has the "E" code and does have a drain plug and Mercon on the dipstick. I changed the fluid this weekend and it took ~13 quarts total--draining the pan and converter. Was very easy with the drain plugs but would painful with out. Note that Ford has a TSB out now that Mercon V is backward compatible with Mercon--actually, companies can't even license Mercon fluid anymore so if you see some, be very wary that they are not licensed and may not have been through the proper testing and approval process. Mercon V is a much better fluid--better frictional characteristics and low temperature properties.