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-   -   MTX75 5 speed transaxle fluid (http://www.focusfanatics.com/forum/showthread.php?t=306869)

bunkyjr86 01-17-2013 07:23 PM

MTX75 5 speed transaxle fluid
 
I was searching up and down and all over looking for what fluid to run in my transmission. Ford service information says run their Synthetic manual transmission fluid and everywhere online was telling either 75w90 synthetic gear oil, Royal Purple synthetic manual transmission fluid and 15w40 diesel motor oil. Found out the correct fluid to run from a Ford master tech which is Mercon V because it is a synthetic fluid, Ford now recommends Mercon VI but it is dealer exclusive from what I have been told. Focus shifts so much smoother it feels like a new transmission. Just wanted to clear this up for people so you don't have to do the searching like I did.

badazz2010focus 01-17-2013 07:31 PM

By all means only run fords fluid I had issues with running rp

bunkyjr86 01-17-2013 07:37 PM

Ya it's just hard to believe they say don't run ATF in the mtx75 in the service manual but I guess with Mercon V and VI being synthetic its great to run.

2007wagon 01-17-2013 09:30 PM

I just changed mine about 2-3 weeks ago and it made a noticeable difference. I was shocked when I found out how few ford dealers carried the synthetic oil and how expensive it was but if it keeps everything working well it's worth it.

Neptune15 01-17-2013 09:55 PM

Quote:

Originally Posted by 2007wagon (Post 4545128)
I just changed mine about 2-3 weeks ago and it made a noticeable difference. I was shocked when I found out how few ford dealers carried the synthetic oil and how expensive it was but if it keeps everything working well it's worth it.

What was the mileage at the time?

freemind 01-17-2013 10:27 PM

I've been running Red Line's syn. for over 6 months and I've had zero issues FWIW

bunkyjr86 01-18-2013 08:03 AM

Quote:

Originally Posted by 2007wagon (Post 4545128)
I just changed mine about 2-3 weeks ago and it made a noticeable difference. I was shocked when I found out how few ford dealers carried the synthetic oil and how expensive it was but if it keeps everything working well it's worth it.

Ya it's a lot cheaper than a new trans that's how I look at it

2007wagon 01-18-2013 09:26 PM

Quote:

Originally Posted by Neptune15 (Post 4545161)
What was the mileage at the time?

It had about 77000km/46000 miles...it may have been a little early but I just bought this car about 6 weeks ago and since I was changing all the other fluids I did this one as well.

sailor 01-18-2013 09:44 PM

Most votes I've seen here are to spend the $ on the FORD synthetic trans fluid....

Rather than experimenting, at least for street use.

ah1f39 01-18-2013 10:06 PM

Quote:

Originally Posted by sailor (Post 4546597)
Most votes I've seen here are to spend the $ on the FORD synthetic trans fluid....

Rather than experimenting, at least for street use.

X2

Don't skimp on the trans fluid. The Ford synthetic trans fluid has been formulated for the MTX75 and other Ford tans. They work much better with it.


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