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An exercise in overthinking - Junits15's street build

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junits15

junits15

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MA
First Name
Justin
Vehicle(s)
2019 Mustang GT
Did some maintenance.
  • Rear differential fluid
  • Transmission fluid
  • Coolant
I used all genuine ford fluids. The car has 50k miles on it now, all of these fluids are supposed to be good for 150k miles but the diff and the transmission both came out almost black. I think it would be extremely foolish to push this to 150k. Maybe in a lightly driven street car, but not in something than you want to beat on.

Diff magnets were mostly clean, fluid was a bit sparkly but nothing abnormal. Trans fluid was super dark, but not sparkly. The coolant I did in two steps. Drained the radiator, filled it back up. Warmed the car up, drained it and filled it again. I didn’t feel like pulling the thermostat housing off to drain the rest, and I couldn’t find a block drain.


IMG_7630.webp

Calls for 97ml of friction modifier, bottle comes with 118ml so I took 21ml out to get 97. This feels like more precision than is needed lol
IMG_7631.webp

Into the oil it goes
IMG_7632.webp

pump it in…slowly

I also finally got my driver side heated/cooled seat fixed! I paid the dealer for this one I didn’t feel like peeling the seat myself. The rear thermoelectric device failed, which seems pretty common. Anyway it’s working again! ….$900 later šŸ˜µā€šŸ’«
image.webp


IMG_7637.webp

radiator drain.
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Last edited:

Duece McCracken

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Location
Yardley, PA
Vehicle(s)
2023 Gladiator Rubicon, 2019 Bullitt, 2008 Audi A4 Quattro Avant 2.0T 6 spd
Did some maintenance.
  • Rear differential fluid
  • Transmission fluid
  • Coolant
I used all genuine ford fluids. The car has 50k miles on it now, all of these fluids are supposed to be good for 150k miles but the diff and the transmission both came out almost black. I think it would be extremely foolish to push this to 150k. Maybe in a lightly driven street car, but not in something than you want to beat on.

Diff magnets were mostly clean, fluid was a bit sparkly but nothing abnormal. Trans fluid was super dark, but not sparkly. The coolant I did in two steps. Drained the radiator, filled it back up. Warmed the car up, drained it and filled it again. I didn’t feel like pulling the thermostat housing off to drain the rest, and I couldn’t find a block drain.


IMG_7630.webp

Calls for 97ml of friction modifier, bottle comes with 118ml so I took 21ml out to get 97. This feels like more precision than is needed lol
IMG_7631.webp

Into the oil it goes
IMG_7632.webp

pump it in…slowly

I also finally got my driver side heated/cooled seat fixed! I paid the dealer for this one I didn’t feel like peeling the seat myself. The rear thermoelectric device failed, which seems pretty common. Anyway it’s working again! ….$900 later šŸ˜µā€šŸ’«
image.webp


IMG_7637.webp

radiator drain.
Just in time for the for sale ad. You quitter!


🫠
 
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junits15

junits15

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1,194
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Location
MA
First Name
Justin
Vehicle(s)
2019 Mustang GT
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junits15

junits15

Well-Known Member
Joined
Jul 7, 2022
Threads
19
Messages
1,194
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Location
MA
First Name
Justin
Vehicle(s)
2019 Mustang GT
well the Mustang is gone! Here’s its replacement:

a 2014 Cayman S PDK 😁

IMG_7798.webp
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