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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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Rotors grooved


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29 replies to this topic

#1 OFFLINE   wsmith3318

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Posted 21 April 2015 - 12:27 PM

I have 2013 FFH with 34,000 miles.   Brakes have been much 'grabbier' lately than they have in past.   When I looked at the rotors, they were all grooved up (all four of them).  Pads, as far as I can see, look ok.    Took to dealer who said everything was 'normal' and they did not need to do anything.   Anyone else have this grooving on their rotors (its not one or two groove lines, but grooved all along the face)?   Lifetime brake score is 91%.









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#2 OFFLINE   Easy Rider

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Posted 21 April 2015 - 01:29 PM

Yes disk rotors tend to develop ridges and groves that make them look somewhat like a vinyl record......if viewed at the right angle.

They should be very minor though and almost hard to feel if you run your finger over the surface.

 

It vaires some by model of car and pads used.

Some seem mirror smooth but many have the grooves you speak of.

 

Now that you are aware of this, look at cars you see parked.....and notice that quite a few of them probably look just like yours.



#3 OFFLINE   FernMTL

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Posted 22 April 2015 - 08:25 AM

I've the same problem (vinyl looking discs) on my rears discs. They're all rusty and grooved. I do some aggressive braking now and then to try remove some rust. Makes me feel like they're not working properly, and that it just looks bad for a new car.



#4 OFFLINE   Easy Rider

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Posted 22 April 2015 - 08:33 AM

If you are really concerned, have the dealer or independent shop look at them.

But it likely is perfectly normal.

 

I just went and looked at mine.

All 4 have the "vinyl record" look but feel smooth to the touch.

If it sits outside overnight and the humidity is high, all 4 will have surface rust the next morning.......which disappears completely upon moderate braking.

 

You can't, or don't want to, make the rotors bright and shiny because they work on friction and less friction equals less effective brakes.



#5 OFFLINE   FernMTL

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Posted 22 April 2015 - 10:42 AM

Thanks for the info!!



#6 OFFLINE   GrySql

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Posted 22 April 2015 - 11:21 AM

There is a TSB about Brakes here, although this may not be your exact issue:

http://fordfusionhyb...s-tsbs/?p=87972


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'13 FFH SE - Platinum White
Custom ordered, build date: 11/30/12, delivered: 12/12/12 - Sold: 09/05/15
 

#7 OFFLINE   wsmith3318

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Posted 22 April 2015 - 12:48 PM

Thanks to all for the feedback.   My grooves do not feel smooth to the touch, they are noticeably deep.   I will try to get a pic and post it.



#8 OFFLINE   acdii

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Posted 22 April 2015 - 09:27 PM

45000 on mine and they still look like new. 


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#9 OFFLINE   GrySql

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Posted 22 April 2015 - 10:23 PM

45000 on mine and they still look like new. 

38k on mine and all 4 rotors are smooth to the touch. 

 

These cars don't use the hydraulic braking system (friction brakes) the same way a non-hybrid vehicle does, the eCVT does most of the stopping of the car.  The friction brakes are only used when the eCVT can't handle the braking needs.  The wheel rotors and pads should last well over 100k miles, if the system is working properly.

Below is just a small explanation of how the car stops.  Of course the Friction Brakes can be applied if the drivers foot pressure on the brake pedal is high enough, as in an emergency stop scenario.

=

Regenerative Braking Mode

The ABS module determines the amount of braking torque necessary and sends that info to the PCM along with the current threshold for ABS intervention. The PCM determines how much braking torque the electric motor can provide based on the High Voltage Traction Battery (HVTB) state-of-charge and sends this information back to the ABS module. At the same time, the electric motor is switched to a generator which supplies the determined amount of braking torque. Based on the amount of braking torque the PCM can deliver, the ABS module determines whether it is necessary to apply the friction brakes or if the brake torque from the electric motor is sufficient to safely stop the vehicle.


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#10 OFFLINE   wsmith3318

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Posted 27 April 2015 - 10:58 AM

Attempting to attach pics of my FFH rotors.   I have two rotors I took off my Honda CRV with over 100,000 miles on them and they are not grooved anywhere close to this.

Attached Files



#11 OFFLINE   GrySql

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Posted 27 April 2015 - 11:34 AM

That is not right, your car is not working properly unless you use the brakes very hard.  As I pointed out above, these cars don't use the service brakes very much unless you frequently panic stop.

My suggestion is to send a PM to our Ford Rep Meagan and get her on the case. 

You might want to take the car to another Dealer for a second opinion too.


The Time Machine....
'13 FFH SE - Platinum White
Custom ordered, build date: 11/30/12, delivered: 12/12/12 - Sold: 09/05/15
 

#12 OFFLINE   FernMTL

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Posted 27 April 2015 - 12:49 PM

Mine's looks juste the same, even worst beacause there's half an inch around the edge of the rotor where the pads don't touch.

I'll get that check for the 3rd time on my next oil change. They've turn the rotors once last summer after 2 months of my purchase.

Wonder what's wrong, calipers maybe?


Edited by FernMTL, 27 April 2015 - 12:50 PM.


#13 OFFLINE   GrySql

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Posted 27 April 2015 - 01:21 PM

Mine's looks juste the same, even worst beacause there's half an inch around the edge of the rotor where the pads don't touch.

I'll get that check for the 3rd time on my next oil change. They've turn the rotors once last summer after 2 months of my purchase.

Wonder what's wrong, calipers maybe?

Get the Canadian Ford Customer Service Rep involved before you visit the Dealer, Meagan will find that info for you.


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The Time Machine....
'13 FFH SE - Platinum White
Custom ordered, build date: 11/30/12, delivered: 12/12/12 - Sold: 09/05/15
 

#14 OFFLINE   hybridbear

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Posted 27 April 2015 - 02:39 PM

Attempting to attach pics of my FFH rotors.   I have two rotors I took off my Honda CRV with over 100,000 miles on them and they are not grooved anywhere close to this.

Are they grooved to the touch?

Current Vehicles

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2013 Ford Focus Electric - Ice Storm

315692.png

 

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2013 Ford Fusion Hybrid SE x2

252543.png167422.png


#15 OFFLINE   hybridbear

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Posted 27 April 2015 - 08:52 PM

I took pictures of our rotors for comparison.

 

Ford Focus Electric

~13,000 miles

99% Lifetime Brake Score over the last ~8500 miles

~900 Lifetime Regen Miles

BB555E66-0ACC-4830-A410-3A5E109DD00A_zps

 

Ford Fusion Energi

~10,500 miles

99% Lifetime Brake Score since day 1

~400 Lifetime Regen miles

C7D46C09-30C0-4F85-8581-298443EE49E9_zps

 

The Fusion has much less regen miles since it's used more for highway trips whereas the Focus Electric is 100% driven around the city. The Fusion rotors also look newer. I'd be curious to see if other owners could post pics along with their brake score & regen miles for comparison, particularly owners with higher miles.


Edited by hybridbear, 27 April 2015 - 08:56 PM.

Current Vehicles

2013 Ford Fusion Energi Titanium - White Platinum Metallic

2013 Ford Focus Electric - Ice Storm

315692.png

 

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2013 Ford Fusion Hybrid SE x2

252543.png167422.png


#16 OFFLINE   GrySql

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Posted 27 April 2015 - 09:07 PM

The OP's rotors have deep grooves, not smooth (Post #7). 


The Time Machine....
'13 FFH SE - Platinum White
Custom ordered, build date: 11/30/12, delivered: 12/12/12 - Sold: 09/05/15
 

#17 OFFLINE   acdii

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Posted 27 April 2015 - 09:23 PM

45K miles

 

Front

11150405_898523443523124_648677910782247

 

Rear. Keep in mind rear brakes do more of the stopping than fronts under normal braking, so there will be slightly more wear on the rotors.

 

11182330_898523446856457_132647566352729


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#18 OFFLINE   FernMTL

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Posted 27 April 2015 - 09:44 PM

Get the Canadian Ford Customer Service Rep involved before you visit the Dealer, Meagan will find that info for you.

Thanks for the info! I'll take some pics tomorrow so we can compare.



#19 OFFLINE   FordService

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Posted 28 April 2015 - 01:20 PM

I have 2013 FFH with 34,000 miles.   Brakes have been much 'grabbier' lately than they have in past.   When I looked at the rotors, they were all grooved up (all four of them).  Pads, as far as I can see, look ok.    Took to dealer who said everything was 'normal' and they did not need to do anything.   Anyone else have this grooving on their rotors (its not one or two groove lines, but grooved all along the face)?   Lifetime brake score is 91%.

Have you sought out a second opinion? Your dealer will be in the best position to assist. You can also check here for coupons on your next brake service.

 

That is not right, your car is not working properly unless you use the brakes very hard.  As I pointed out above, these cars don't use the service brakes very much unless you frequently panic stop.

My suggestion is to send a PM to our Ford Rep Meagan and get her on the case. 

You might want to take the car to another Dealer for a second opinion too.

Thanks!

 

Mine's looks juste the same, even worst beacause there's half an inch around the edge of the rotor where the pads don't touch.

I'll get that check for the 3rd time on my next oil change. They've turn the rotors once last summer after 2 months of my purchase.

Wonder what's wrong, calipers maybe?

Get the Canadian Ford Customer Service Rep involved before you visit the Dealer, Meagan will find that info for you.

 

Here you go! FordServiceCA.

 

Meagan


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#20 OFFLINE   hybridbear

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Posted 28 April 2015 - 07:05 PM

I took more pics of the Focus Electric today. My wife was driving the Fusion Energi and wasn't home from work yet when I got home this afternoon. All have tangible ridges. Some more so than others, as you can see in the photos.

 

Left front

969ADCCC-01B6-45C7-B072-20422BF32B54_zps

Left rear

6FB87B25-4EF3-4B29-B20F-7FBD7E249990_zps

Right rear

1303F257-D4BB-468C-8E3C-601AD5900F2A_zps

Right front

3D7B6324-6623-4A73-BEE9-254733AF0805_zps


Edited by hybridbear, 28 April 2015 - 07:06 PM.

Current Vehicles

2013 Ford Fusion Energi Titanium - White Platinum Metallic

2013 Ford Focus Electric - Ice Storm

315692.png

 

Previous Vehicles

2013 Ford Fusion Hybrid SE x2

252543.png167422.png





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