Dual clutch transmission oil

Tiny
AHMEDKASHIF
  • MEMBER
  • 2014 HONDA FIT HYBRID
  • 1.5L
  • 4WD
  • AUTOMATIC
  • 50,000 MILES
Hi, is DOT 4 oil is okay for the DCT fluid replacement?
Friday, August 23rd, 2019 AT 11:47 AM

6 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,758 POSTS
Welcome to 2CarPros.

Only use Honda's recommend ATF (Honda DW-1 ATF).

Here are the directions for servicing the transmission:

2014 Honda Fit EV ELE-Electric Engine
ATF Replacement
Vehicle Electric Drive Systems Transmission Transmission Fluid - Electric Drive Service and Repair Procedures ATF Replacement
ATF REPLACEMENT
ATF Replacement

Drain
1. Vehicle - Lift
1.
Raise the vehicle on a lift, and make sure it is securely supported.

2. Splash Shield - Remove
1.
Remove the splash shield (CLICK HERE).

3. ATF - Drain
pic 1
pic 2

1.
Remove the filler plug (A) and the sealing washer (B).

2.
Remove the drain plug (C) and the sealing washer (D) of the gear box side, remove the drain plug (E) and the sealing washer (F) of the motor side, and drain the ATF.

NOTE: Remove metal particles from the magnetic surface of the drain plug.

3.
Install the drain plugs of the gear box side and the motor side using new sealing washers.

Refill
1. ATF - Refill
pic 3

1.
Refill the gear box with the recommended fluid to the proper level (A). Always use Honda ATF DW-1 Automatic Transmission Fluid (ATF).

NOTE:
â€
Using a non-Honda ATF can affect durability performance and the cooling performance of the gear box.
â€
Keep all foreign particles out of the gear box.

Automatic Transmission Fluid Capacity:
â€
1.1 L (1.2 US qt) at fluid change
â€
1.2 L (1.3 US qt) at motor/gear box assembly replacement

2.
Install the filler plug (B) using a new sealing washer (C).

2. Splash Shield - Install
1.
Install the splash shield (CLICK HERE).

__________________-

Let me know if this helps.

Joe
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Friday, August 23rd, 2019 AT 12:12 PM
Tiny
AHMEDKASHIF
  • MEMBER
  • 60 POSTS
What about clutch actuator oil? One of my mechanics have replaced that oil with dot 4 and has re-calibrated the transmission. I have run my car for almost 300km and there is no issue. My concern is that oil dot 4 was the right choice?
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Friday, August 23rd, 2019 AT 1:16 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,758 POSTS
Welcome back:

When you say clutch actuator oil, it sounds like it is a manual transmission. I am familiar with the dual clutch design, but Dot 4 is brake fluid. Yes, on a manual transmission it can be used in the clutch master cylinder and slave, but not as transmission fluid, so, I'm a bit confused. It shouldn't be put into the transmission. If it was placed in the clutch master cylinder reservoir, that should be fine.
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Friday, August 23rd, 2019 AT 8:29 PM
Tiny
HE WEI
  • MEMBER
  • 1 POST
Hi Joe,

I have the same question about clutch actuator oil for fit hybrid. I have seen some videos on YouTube that mechanics changing clutch actuator oil with dot4 brake oil, and they recommend replacing it every 20,000 to 30,000. Is this right?
Also, could you place tell me the washer size of those transmission drain plug, or where I can find fit hybrid workshop manual?

Thanks
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Monday, January 31st, 2022 AT 2:22 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,758 POSTS
Hi,

Are you changing the manual transmission fluid or the fluid in the hydraulic clutch? They are two very different things. You can not use Dot4 in the transmission. I don't want you to damage the transmission, so let me know exactly what is being done.

As far as a manual for the Honda Fit, save the money. Chances are I can get you anything you need. If, however, you want access to manuals, I recommend checking into either Alldata or Prodemand online. Let me know if you have anything specific and I'll try my best to get what you need. Also, let me know the model year.

Take care,

Joe
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Monday, January 31st, 2022 AT 5:04 PM
Tiny
HE WEI
  • MEMBER
  • 1 POST
Hi
It's Dual Clutch Actuator fluid. not about transmission. It's for dry DCT's cluths I find something below about it
https://www.youtube.com/watch?v=zf1iv66NSlQ&t=346s
https://www.hevshop.com/post/tips-for-maintaining-your-honda-hybrid-shuttle-freed-fit-vezel
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Monday, January 31st, 2022 AT 10:10 PM

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