Transmission fluid

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Jun 26, 2018 | 06:09 PM

Yellowbeard

Thread Starter

Mountain Pass

Joined: May 2018

Posts: 100

Likes: 1

Transmission fluid

Replacing the radiator on my 2006 F-250 6.0 and just realized that the automatic transmission fluid may be trickier than I thought.

What do do I replace this with? Reading that there maybe multiple types which can’t be mixed. Mine’s red (yeah, I know - doesn’t narrow it down much).

Thoughts?

Thanks in advance!

Jun 26, 2018 | 06:50 PM

FiznUKa

Posting Guru

Joined: Mar 2014

Posts: 1,468

Likes: 5

From: Salt Lake City, utah

You can use either Mercon SP or Mercon LV. Both will work and will mix together with now I’ll effects.

Jun 26, 2018 | 07:59 PM

Yellowbeard

Thread Starter

Mountain Pass

Joined: May 2018

Posts: 100

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Excellent. Thanks. Second question: it seems that, under no circumstances does the atf coolant lead nearest the bottom radiator hose want to be willing to thread. Anyone else had this problem? Wondering if I need to carefully run a tap into the radiator. If so, what tap? Anyone know?

Thanks.

Jun 26, 2018 | 08:23 PM

DSMMH

Fleet Mechanic

Joined: Jun 2006

Posts: 1,589

Likes: 20

Not sure of tap size. I believe both cooler fittings are the same. Get a few bolts close to the fitting size. Find the correct thread and get the same tap.

I use Royal Purple synthetic ATF. At 60K I changed to RP. My X holds 22 quarts since I have a 4.5 quart larger pan. I now have 146K on the clock with 86K on the RP ATF. The tranny shifts like new. The only difference is on cold mornings the shifts are firm until the fluid warms up. I tow a 6K lbs. go fast boat in the summer. I also use RP ATF in my ‘08 Dodge SRT8 Super Bee.

Ed

Jul 1, 2018 | 09:39 PM

Yellowbeard

Thread Starter

Mountain Pass

Joined: May 2018

Posts: 100

Likes: 1

An O2 sensor cleanout or spark plug cleanout (M18-1.5, I believe) fixed the issue.

Thanks for the help!

Jul 4, 2018 | 04:05 PM

howardq99

Mountain Pass

Joined: Jul 2005

Posts: 126

Likes: 9

Not sure if this will help, but in preparation to do this:
New 11/2017 (5R110 transmission Cold fluid exchange) Home shop flush

I found this:
MOTORCRAFT XT106GLV MERCON® LV Automatic Transmission Fluid; 6 Gallons from Rock Auto delivered for ~$86.88 https://www.rockauto.com/en/parts/mo...on+fluid,11387

Jul 5, 2018 | 09:16 AM

High_HP

Laughing Gas

Joined: Nov 2007

Posts: 824

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I thought it was eventually determined that LV was a no-no on this tranny and SP was the only way to go(??).

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Jul 6, 2018 | 02:14 AM

SuperVossen

Senior User

Joined: Nov 2011

Posts: 122

Likes: 4

Quote:

Originally Posted by howardq99

I found this:
MOTORCRAFT XT106GLV MERCON® LV Automatic Transmission Fluid; 6 Gallons from Rock Auto delivered for ~$86.88 https://www.rockauto.com/en/parts/mo...on+fluid,11387

I use the LV in my transmission, but,
I wish i would have found what you found. I didn't get that good of pricing at all. Just swapped in a stage 3 transmission from Twisted Diesel. I think i paid around 150 bucks for 24 quarts. jeez

Jul 6, 2018 | 06:35 AM

#10

Yahiko

Fleet Owner

Joined: Apr 2012

Posts: 27,307

Likes: 549

From: Spanaway

I have been told that the 6 gallon bag-in-box don't ship very well.

That said the 6 gallons is just a dit more in cost that a case that 3 gallons in quart jugs.

Jul 6, 2018 | 11:14 AM

#11

Stewart_H

Super Moderator

Joined: May 2004

Posts: 29,380

Likes: 118

From: Central Coast of CA

Quote:

Originally Posted by Yahiko

I have been told that the 6 gallon bag-in-box don't ship very well.

That said the 6 gallons is just a dit more in cost that a case that 3 gallons in quart jugs.

Mine shipped and arrived fine.

Stewart