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Guest Message by DevFuse

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Register your Fusion Hybrid at the official Ford authorized registry here.


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Hybrid transmission (HF35) fluid level check?


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39 replies to this topic

#21 OFFLINE   gemdc

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Posted 03 May 2014 - 10:02 PM

The referenced photos are nice ones of the Aisin built 2010-12 hybrid.  Would really like something like this for the 2013-14 showing Ford's HF35 version.  It does appear that Aisin used beveled gears and I never heard any rattle in my 2010 FFH.  No, the noise I refer to is not a whine but a rattle by my definition.  Sure sounds like slack somewhere in the drive train and does come from the transmission housing.  No longer a bother since I have decided it is not a defect but a feature.  One that needs to go away in the future.


243968.png

 

(for comparison, my previous vehicle)

168733.png








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#22 OFFLINE   lolder

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Posted 03 May 2014 - 11:07 PM

I think the lay-out architecture is the same. I recall seeing a video of the Ford hybrid transmission ( and standard automatic ) assembly line and the transmission resembled the Aisin. The photos are really from the Gen 1 Mariner. Rattles aren't normal ! They should be very smooth and quiet. There were some clicking noises in early drive-shafts that were solved by washers or spacers, I believe. I really wouldn't give up trying to fix a rattle coming from the transmission.


Edited by lolder, 03 May 2014 - 11:10 PM.


#23 OFFLINE   acdii

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Posted 05 May 2014 - 07:53 AM

Mine is noisy, I have 2 distinct sounds emanating from the front when decelerating. One I attribute to the tires, its a thump that I can hear all the time, but more noticeable while braking, the second is a ratcheting whirring noise. I hear that while braking too, but only as I just about come to a stop and can only be heard when the radio is off and it is very quiet in the car.  Pretty sure that sound is the motors.  


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#24 OFFLINE   Christopher B Trentadue

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Posted 06 September 2016 - 01:10 PM

There's a 10mm plug underneath the plastic master cylinder reservoir that's on the Transmission, it's exactly the same size as the drain plug, I advise you use a Hex bit and Ratchet wrench when losening, it's a knuckle buster be careful not to brake the wire harness clipped right about on top of the plug, if you can remove the harness carefully and set it aside until your completely done, good luck! Thanks

#25 OFFLINE   Christopher B Trentadue

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Posted 06 September 2016 - 01:12 PM

There's a 10mm plug underneath the plastic master cylinder reservoir that's on the Transmission, it's exactly the same size as the drain plug, I advise you use a Hex bit and Ratchet wrench when losening, it's a knuckle buster be careful not to brake the wire harness clipped right about on top of the plug, if you can remove the harness carefully and set it aside until your completely done, good luck! Thanks

call or text me if you have questions 440-213-7589

#26 OFFLINE   jalal

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Posted 01 October 2017 - 03:16 PM

Hello gemdc,

the HF35 Gearbox oil level check is the same as you do on a manual transmission. Se attached file.

If you need more information, don't hesitate to contact me.

Have a nice day.

 

Wolfgang

 

Hi 

could you please re-upload the pdf  file. 

 

Thanks 



#27 OFFLINE   johnnyp12

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Posted 25 July 2018 - 04:13 PM

So I’m trying to get my CVT fluid changed and the dealer quoted me $262, before tax . I asked the woman why it was so much and she said they changed the recipe, apparently in addition to Merton LV they also use some sort of additive I think she said BG MOA additive... What are you all paying for these fluid changes? Was an additive used?

Definitely will be doing the fluid change myself.

#28 OFFLINE   murphy

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Posted 25 July 2018 - 04:54 PM

Do you have 150,000 miles on the car?  That is the change interval for the automatic transmission fluid.



#29 OFFLINE   johnnyp12

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Posted 26 July 2018 - 01:41 AM

Well not quite, approaching 125k, but I’ve heard the horror stories of bearing failures. Anywho, other eCVT fluids are changed every 60k, from Prius to our closest cousin the Escape hybrid (which uses Mercon LV). I think I will err on the side of caution and change it asap

#30 OFFLINE   billford

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Posted 28 July 2018 - 02:13 PM

So I’m trying to get my CVT fluid changed and the dealer quoted me $262, before tax . I asked the woman why it was so much and she said they changed the recipe, apparently in addition to Merton LV they also use some sort of additive I think she said BG MOA additive... What are you all paying for these fluid changes? Was an additive used?

Definitely will be doing the fluid change myself.

 

Don't install any additives.

 

Its easy to drain but hard to fill. 

Need to make a special fill adapter that screws into the side if the case, hose, small funnel. 



#31 OFFLINE   bill538

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Posted 18 November 2018 - 07:15 PM

Can someone please repost Oel Check Fusion Hybrid gearbox.pdf? I am having no luck finding the fill and overflow bolts on my 2013 hybrid. Dealer is telling me I need replace cvt. Car runs fine just have a odd winning noise when engine is on in cvt. I would like to replace the fluid because a see a leak where the axle goes into the gear box. I have no way to know how must ctv fluid has been lost.

#32 OFFLINE   billford

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Posted 20 November 2018 - 12:27 AM

imagen2-1.jpg

 

 

The fill is on the drivers side. About the 9:30 position if your looking at the drive axle. 

 

You will need a M10x1.0 fitting and a suction gun to get fluid in it. Its not simple for a do it yourselfer. 

 

imagen3.jpg


Edited by billford, 20 November 2018 - 12:36 AM.

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#33 OFFLINE   bill538

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Posted 26 November 2018 - 07:47 AM

Thanks Billford for the photos and details.



#34 OFFLINE   lolder

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Posted 27 November 2018 - 10:17 AM

Can someone please repost Oel Check Fusion Hybrid gearbox.pdf? I am having no luck finding the fill and overflow bolts on my 2013 hybrid. Dealer is telling me I need replace cvt. Car runs fine just have a odd winning noise when engine is on in cvt. I would like to replace the fluid because a see a leak where the axle goes into the gear box. I have no way to know how must ctv fluid has been lost.

Changing the fluid wont help, the transmission is failing due to a bad bearing. Are you within the 8 year/ 100k mile hybrid warranty?


Edited by lolder, 27 November 2018 - 10:18 AM.


#35 OFFLINE   bill538

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Posted 27 November 2018 - 11:11 AM

Nope I am screwed.   5 year 117K.



#36 OFFLINE   bill538

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Posted 27 November 2018 - 11:16 AM

Nope I am screwed it's 5 year 117K.  They want 5.9K to replace it for a car only worth 5-6k.  Love the car but not sure what to do at this point.



#37 OFFLINE   lolder

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Posted 27 November 2018 - 01:24 PM

Maybe drive it till it fails and file a NHTSA report.



#38 OFFLINE   md13ffhguy

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Posted 30 November 2018 - 02:22 AM

Nope I am screwed it's 5 year 117K.  They want 5.9K to replace it for a car only worth 5-6k.  Love the car but not sure what to do at this point.

I drove mine for nearly 20k after it first started whining. It never actually failed, although MPGs dropped significantly. I eventually got sick of it and traded it in. Long story, short - I brought it to the dealer when still just under 100k mile warranty, and they said they couldn't hear anything (I could) and nothing was wrong. A month later (just over 100k), they were suddenly able to hear it and determined it needed a new transmission. I argued and lost. And yet, here I am driving a 2018. It was, and is a great car, with that significant exception. So, been there, done that. I share your misfortune. Good luck to you!

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#39 OFFLINE   lolder

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Posted 01 December 2018 - 03:09 PM

The metal particles from the bearing may not interfere with the planetary and other gears in the transmission for some time.


Edited by lolder, 01 December 2018 - 03:10 PM.


#40 OFFLINE   ptjones

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Posted 01 December 2018 - 07:17 PM

That's interesting that when I replaced mine and it was making quiet a bit of noise, I didn't notice any drop in mpg's. or improvement with the new trans.

 

Paul


163299.png 600 Club

Current Record:  12/30/2014  902.2 mi.  63.8 mpg  14.13  gal. (Actual GPS:  922 mi.  68 mpg  13.5 gal.





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