issues after throw out/pilot/slave warranty replacement

[staytru]

2017 mustang gt just got a throw out bearing/pilot bearing and slave changed under warranty. there was a loud whistle while you were just about to release clutch. 42,000 km on vehicle currently. pretty disappointed with the service. originally they said they would change entire clutch but I told them to call me when it was out so I could make a decision wether I should spend money on an aftermarket one if they werent going to cover it since they already have it out. turns out they never called and just changed the throw out, pilot and slave. when I picked car up the pedal had about 4 inches of free play. it tightened up on the way home. however now it feels very spongy. the engagement point is about an inch from the floor as before it was very high in the pedal - I like it lower but yeah now its too low. the main reason for this post is before even with hillstart assist off when you push clutch in rpms would raise aprox. 100 rpm or so. now it doesnt do that anymore. I find that odd. again I like it better that it doesnt do this but I feel like there is a hidden issue going on. ill also mention I already have the factory clutch spring assist swapped for steeda one aswell. is all this normal? as for the pedal it feels so much different then before but I'm not sure if I'm just not used to it or something..still have the stock clutch line. what are your thoughts? thanks appreciate your input! cheers

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[SheepDog]

Likely, you still just have air trapped in the system. It can take days or weeks to work its way out depending on how much you drive it. As far as the RPM raising when the clutch pedal is pressed, it would make sense that the engine speed would increase with hill assist on. I turned mine off the day I bought the car because I'm old and cars that I have owned never had this feature. It drove me nuts. Subaru has been doing it forever. Stock clutch can handle a surprising amount of power and abuse, so unless it was visibly damaged, or chattering there really is no reason to replace it.

 

[AlbertD]

I agree that there is likely air still in the system. The dealership should have vacuum bleed the system so sounds like they may not have spent the time to do that or they didn't do it properly.

It will eventually bleed itself out, but as mentioned above... It takes quite a bit of driving for it to get back to normal.

 

[moffetts]

My TOB failed and I had the dealer replace the clutch and TOB. I know for a fact they struggled to get all of the air out, but they did it. It was a paid job so they were probably more motivated.

 

[Kong76]

Stock oem clutches for the 15-17 GTs are garbage! Made in Turkey. Had mine replaced at 19k ( my cost) and the second one is showing same symptoms.

if you have the chance upgrade to an aftermarket. Dealership talked me out of it saying it would void my powertrain. At the time I cared. I am looking at Tilton 256 right now.

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