Adding friction modifier to transmission
Thread Starter
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Mountain Pass
Joined: Aug 2014
Posts: 109
Likes: 1
Adding friction modifier to transmission
I’m getting torque converter shudder and bought a bottle of motorcraft xl3 friction modifier to add to the transmission. Does the truck need to be running or warmed up when adding and do you add what looks to be the whole 4 ounce bottle. I don’t have the bottle with me right now. Truck is a 2016 3.5 ecoboost. Thanks in advance.
Thread Starter
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Mountain Pass
Joined: Aug 2014
Posts: 109
Likes: 1
what about all the other threads about people using this in their transmissions to help with torque converter shudder?
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Mountain Pass
Joined: Aug 2014
Posts: 109
Likes: 1
only reason I used the XL3 I watched 2 ford mechanics use it and the mechanic I’ve been using for over 30 years recommended it. Mine started shuddering 2 weeks ago now it’s Christmas and the 3 places I called to get the fluid and filter changed couldn’t take it till mid January. I’ve had to travel 200 miles from home have to travel back and just wanted something that would get me back and forth on this trip until I can get it to a shop.
Cross-Country
Joined: Nov 2018
Posts: 51
Likes: 1
Even if it did solve your issue it would most likely only be a temporary fix and may do more damage in the long run. You can pretty easily drain and fill and change the transmission filter yourself in someone's driveway and I would rather do that before I would go down the snake oil route.
Thread Starter
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Mountain Pass
Joined: Aug 2014
Posts: 109
Likes: 1
Even if it did solve your issue it would most likely only be a temporary fix and may do more damage in the long run. You can pretty easily drain and fill and change the transmission filter yourself in someone's driveway and I would rather do that before I would go down the snake oil route.
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FTE Community Team
Joined: Dec 2023
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From: sussex county, nj
sadly this old timer with 60 years in dealership shops has to butt heads, as the two men you knocked,both told you the truth. shudder fix additives are simply snake oil . the problem comes from a driveline issue like a misfire, driveshaft issue, tires, or from inside the trans itself ,either way the starting point is a proper diagnosis, road test, pulling of codes and operating areas with a code reader/computer to see what's happening when the shudder starts
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Thread Starter
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Mountain Pass
Joined: Aug 2014
Posts: 109
Likes: 1
sadly this old timer with 60 years in dealership shops has to butt heads, as the two men you knocked,both told you the truth. shudder fix additives are simply snake oil . the problem comes from a driveline issue like a misfire, driveshaft issue, tires, or from inside the trans itself ,either way the starting point is a proper diagnosis, road test, pulling of codes and operating areas with a code reader/computer to see what's happening when the shudder starts
Tuned
Joined: Jan 2015
Posts: 472
Likes: 153
From: Southeast Wisconsin
they might’ve told me the truth about something but not the question I asked in the original post just simply asked truck running or not when adding. I know it’s not a cure all just something to make the 500 mile trip home and back which it did with not a single issue. Now Monday it’s going to the shop that’s finally open to get a transmission service done which it needs because it hasn’t been serviced in 120,000 miles. Anyway wasn’t trying to be rude just tired of people adding to the fire when somebodies already down like the shuddering wallet answer and the other it’s all snake oil and you done screwed up. Hell it’s already screwed up if people can’t just answer the simple question that’s asked move on no need for your worthless 2 cents. This is the main reason I haven’t posted on here in over a year the same ole smart asses that can’t answer a simple question without a sarcastic answer.
Thread Starter
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Mountain Pass
Joined: Aug 2014
Posts: 109
Likes: 1
Well, Its obvious that this trans issue has you a bit stressed out. Members have taken their time to type out a helpful answer for you in order to HELP you, not to **** on your Wheaties. They may not have given the precise answer you had hoped for, but they told you what they thought would be helpful. There is a lot more that could be said on the subject of shudder, but you are not interested in hearing any of it. Good luck, and let us know how it works out.
Fleet Mechanic
Joined: Jul 2005
Posts: 1,463
Likes: 103
From: Staten Island, NY
I apologize for making the sarcastic comment about you wallet shuddering.
Re-reading your original post I now see where I was confused.
You had already made up your mind to add something to your transmission that shouldn't be added to a transmission, you just wanted to know whether to have the vehicle running or not. Since that is the case, I don't believe it matters either way. Why don't you ask the mechanic that you've been using for over 30 years since he recommended it?
Re-reading your original post I now see where I was confused.
You had already made up your mind to add something to your transmission that shouldn't be added to a transmission, you just wanted to know whether to have the vehicle running or not. Since that is the case, I don't believe it matters either way. Why don't you ask the mechanic that you've been using for over 30 years since he recommended it?
Tuned
Joined: Jan 2015
Posts: 472
Likes: 153
From: Southeast Wisconsin
so my question was truck running when adding modifier or not. Which post above did you read that said yes running or no not running. I’ve read back through them all I found was snake oil your screwed and your wallets shuddering. Which of those posts was most helpful to you?
