Hard shifting transmission - Ford F150 Diesel Forum
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post #1 of 23 (permalink) Old 08-27-2019, 06:25 AM Thread Starter
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Hard shifting transmission

Hi all,

New member but have been reading the forum for a couple of months great resource!

Just wanted to make you all aware that I had my 2018 in the shop for hard shifts on 3 to 5 and the service manager called it before they looked at it. My transmission was 2 quarts low on fluid! He said they have had multiple 10 speeds in 1 to 2 quarts low. The first couple they did dye and leak checks but now they do a visual check and check the fluid levels.
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post #2 of 23 (permalink) Old 08-27-2019, 07:02 PM
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I need to check mine, because when I first crank it, if I put in gear quickly it takes a second to engage. This normally means its a little low on fluid.

I dont think there is a dipstick on these. Anyone know how to check it?

2018 Ford F-150 King Ranch 3.0L Power Stroke 4x4 | Icon 2.5 Front & 2.0 Rear, Toyo AT II 295/60R20, 3" ProComp Rear Block, S&B Dry CAI, LineX & BakFlip MX4, BuiltRight Seat Release | ForScan Mods: Disable Double Honk, 2x Panic, DPF Full %, Digital Temps Above Gauges, A.S.S Disabled
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post #3 of 23 (permalink) Old 08-27-2019, 09:34 PM
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On page 353 of the manual it states:

Quote:
AUTOMATIC TRANSMISSION
FLUID CHECK
If required, have an authorized dealer check
and change the transmission fluid at the
correct service interval. See Scheduled
Maintenance (page 554).
The automatic transmission does not have
a transmission fluid dipstick.
Refer to your scheduled maintenance
information for scheduled intervals for fluid
checks and changes. Your transmission
does not consume fluid. However, if the
transmission slips, shifts slowly or if you
notice a sign of leaking fluid, contact an
authorized dealer.
Do not use supplemental transmission
fluid additives, treatments or cleaning
agents. The use of these materials may
affect transmission operation and result
in damage to internal transmission
components.
My 2013 at least has the little dipstick under a nut-like cover. Wierd.

2013 F150 5.0 XLT
2018 F150 3.0 Platinum Ruby Red
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post #4 of 23 (permalink) Old 08-28-2019, 06:50 AM
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https://www.carcarekiosk.com/video/2...ck_fluid_level

Shows wherethe Dipstick is located.
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post #5 of 23 (permalink) Old 08-28-2019, 12:16 PM
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Quote:
Originally Posted by KR2018 View Post
https://www.carcarekiosk.com/video/2...ck_fluid_level

Shows wherethe Dipstick is located.
Thanks for posting this. Good info.

I think mine could have been the GDP tune i was running. I updated to a newer Proven tune and its been much better.

2018 Ford F-150 King Ranch 3.0L Power Stroke 4x4 | Icon 2.5 Front & 2.0 Rear, Toyo AT II 295/60R20, 3" ProComp Rear Block, S&B Dry CAI, LineX & BakFlip MX4, BuiltRight Seat Release | ForScan Mods: Disable Double Honk, 2x Panic, DPF Full %, Digital Temps Above Gauges, A.S.S Disabled
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post #6 of 23 (permalink) Old 08-28-2019, 04:48 PM
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Mine is slow to get moving in Reverse when cold start too, could just be the nature of the beast.

I do have a problem in tow/haul...from a start pulling my boat it starts in first then shifts to third then slams back to second then third again.

I am definitely going to ask for a PCM and TCM Flash and have them check the transmission fluid level as long as they have it on a hoist.

They will probably want to change the block heater then too. Wish I could will it to someone in Canada that may need it long before I will down here in Florida.

KR2018
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post #7 of 23 (permalink) Old 08-28-2019, 06:37 PM
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Interesting, I wonder if the engine should be running in park or neutral for dipstick check? That is generally how they are checked in the past.
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post #8 of 23 (permalink) Old 08-28-2019, 08:32 PM
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Quote:
Originally Posted by KR2018 View Post
Mine is slow to get moving in Reverse when cold start too, could just be the nature of the beast.

I do have a problem in tow/haul...from a start pulling my boat it starts in first then shifts to third then slams back to second then third again.

I am definitely going to ask for a PCM and TCM Flash and have them check the transmission fluid level as long as they have it on a hoist.

They will probably want to change the block heater then too. Wish I could will it to someone in Canada that may need it long before I will down here in Florida.

KR2018
There have been many ECM and TCM updates over the last year as Ford dials them in. Do you have Forscan to read what you are running now? It will show in the log screen.

2018 Ford F-150 King Ranch 3.0L Power Stroke 4x4 | Icon 2.5 Front & 2.0 Rear, Toyo AT II 295/60R20, 3" ProComp Rear Block, S&B Dry CAI, LineX & BakFlip MX4, BuiltRight Seat Release | ForScan Mods: Disable Double Honk, 2x Panic, DPF Full %, Digital Temps Above Gauges, A.S.S Disabled
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post #9 of 23 (permalink) Old 08-29-2019, 05:04 AM
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Iíll try to check it after I get back from fishing today.
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post #10 of 23 (permalink) Old 08-29-2019, 04:45 PM
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Quote:
Originally Posted by wreedsvt View Post
There have been many ECM and TCM updates over the last year as Ford dials them in. Do you have Forscan to read what you are running now? It will show in the log screen.
I found the log screen (at least I think I did)

Itís the screen that list the modules and has a green check mark under the log header.

But I canít figure out how to open the logs for the modules

Any guidance will be appreciated.
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