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DonJuan692006's Avatar
Joined: Jan 2013
Posts: 133
Originally Posted by Rorysbrown View Post
My dealer just did the TSB11-11-1 on my 2012 Mustang V6 because I was having issues trying to get into 1st gear. This TSB in Canada replaces the transmission fluid to XT-11-QDC but doesn't include nor have they heard of the XT-18 Additive. This TSB has improved my shifting greatly but I'd like to have this XT-18. Anyone know anywhere where I can order a bottle?
Have the dealer get the latest fluid chart from Ford. I'm going through a similar issue. The TSB is for cars built on or before 8-15-2011. Mine build date is 8-17-2011. I'm waiting for the Service Manager to get in touch with Ford Corporate about them paying for the work.

He also had not heard of the XL-18 additive. I asked him to pull up the fluid chart (should be from June 2013). For the MT-82 it has "see note 6". Note 6 below the chart states to add 27ml of XL-18 to any full fluid change. The chart for reference can be downloaded here: https://www.fcsdchemicalsandlubrican...f/mantrans.pdf

Arrest Me Red 2011 GT Premium
Six-pot Brembo upgrade; GT500 rear brake upgrade; Whiteline adjustable front and rear sway bars; Whiteline adjustable panhard bar; BMR rear LCAs and relocation brackets; Eibach Pro springs; Koni STR.T struts and shocks; Eibach cam bolts; Legato axle-backs; Forgestar Matte Black CF5s - 19x9/19x11; Michelin Pilot Sport A/S 3+
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