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What tranny do I have?

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Old May 1, 2012 | 09:59 AM
  #1  
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stan'37
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What tranny do I have?

New here.This looks like a good place to get some good information.I just purchased a 2002 26 ft Jayco motorhome. It's on a Ford Super Duty E450 chassis With the V10 motor. It has 37,000 mi. The manual gives me two choices for the transmission. How can I tell just what transmnission I have, and the best type of fluid to use? The fluid now has that used smell, and is light brown. I does not have the burnt smell, so I just think the fluid hasen't been changed since new. I have no way of knowing. I am the third owner. The previous owner said he did not change the fluid. Thanks for any information. Stan
 
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Old May 1, 2012 | 10:12 AM
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Should have the 4R100 trans in it as I take it you MH is an auto. The 4R100 originally speced Mercon back in the day but now the recommended ATF is Mercon V.
 
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Old May 1, 2012 | 10:16 AM
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See the link below for the specifications for your E450. See Page 24 for transmissions.

https://www.fleet.ford.com/truckbbas...2/eservacd.pdf
 
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Old May 1, 2012 | 03:41 PM
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Mark Kovalsky
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The ONLY transmission it could have with the V10 is the 4R100. There was no other choice.

Use MERCON V transmission fluid.
 
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