Transmission Fluid .....what kind to use...

[police251]

I am going to service my transmission fluid but dont know what is the best kind to fill her up with... I know is mercon but there are many different types and the price can change alot... what type do you use.

I have a 2005 f250 PSD 6.0...

Also what filter do you like to use. I was thinking about using ARP performence filters for all filters oil, fuel, and trans is this a good product.
thank you for your help.

[howell_jd]

There are only two fluids identified by Ford for the 5R110 transmission: Mercon SP and Mercon LV and they are compatible (may be mixed).

The Motorcraft transmission filter FT-145 is the external filter for the 5R110 but it is manufactured by NTZ so the NTZ-09-C09B is the same thing (less expensive and it includes the o-ring where the MC filter does not - requires a separate purchase).

The challenge with non-OEM filters is fit and filtration. I'm not aware of patent issues for the transmission filter (which is an issue for the engine oil filter - activation of the bypass valve) but the MC or NTZ definitely work and they work well. Use other non-OEM filters at your own risk - filters are CHEAP compared to a transmission.

Don't be penny-wise and dollar-foolish in filter selection!

http://dieselfiltersonline.com/Ford-...k-Filters.aspx

Jonathan

[strokin6L]

either the mercon SP or LV fluid. Do not use any other filters other than OEM ford motorcraft filter.

[MWilbur516]

Whats the difference between the Mercon SP and the LV?

[strokin6L]

not a whole lot really. The LV stands for low vecosity. That's the only difference between the LV and SP.

[SickStroke6.0]

Let the Ford dealer service it. It's the only way to get rid of all the old fluid.

[PGreenSVT]

Amsoil make a low viscosity synthetic that you can use instead of the Mercon. The best alternative ATF for the 5R110 looks to be Redline D6 though it isn't cheap.

[police251]

will do use OEM filters and mercon fluid.... thanks for the info

[shiprek]

I recently had my ford dealer do a HOT flush and changed my 2004 SD F250 to Mercon LV. If you don't open the t-stat in the tranny you can never really get the old fluid out. Cost I believe was around $180. I then dropped the pan and replaced the internal filter with oem plus changed out the external filter again installing an oem filter. I then replaced the lost fluid with new I had purchased for this purpose. I paid extra doing it this way but now know I have 100% clean system with new filters and the correct fluid. Good luck.

[MWilbur516]

Which fluid is better for the 5R110, the LV or SP?