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Modifications and Transmission Failure out of no where

Racerx410

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I wil start with whats done to my Maverick (22 Hybrid 41k miles). Sept. 2023 I installed Silvers Coilovers with Swift springs onto My Hybrid Maverick. Drove the vehicle to Tail of the dragon and all was fine drove back home to Maryland with no issues. Shortly after added 2" spacers. I also have 17" Volvo S40 oem wheels with factor tire sizes. I recently had a 30k Service and alignment (I wanted because my steering wheel was a little off center and tracking right) at my original Ford Dealership with nothing noted from that courtesy inspection and service.

Fast forward to 2 months back, one day I'm pulling out of my house and drive about 60 secs to dunkin donuts and turn into the parking lot when the horn came on and wouldn't turn off. This would be the last time my truck would drive/move. I tried to disable the horn and continue to drive but after pulling the fuse and trying to drive I had shift errors or something. I put the fuse back and then disconnected the horns. Horn was off but now the truck had a body code and shift faults.

Towed it to the dealership and told them the same things. At the time there was 3 Open Recalls one of which I had been waiting for parts for for over a month.

  • 23S27 UNDER HOOD FIRE
  • 24S27 BODY CONTROL MODULE BCM SOFTWARE UPDATE
  • 24S33 POWERTRAIN CONTROL MODULE PCM SOFTWARE UPDATE
They had the vehicle for about 2 weeks and couldnt find anything initially, then once the tech got free again they called me and asked for consent to do a $1200 tear down. Here began the warranty vs modifications battle. I agreed, they tore the truck apart and eventually told me that the failure was due to my modifications.

Their findings below:
Verified concern, vehicle stuck in park. Recall present stuck in park concerns, vehicle heavily modified including but not limited to lowering adjustable strut and spring assemblies found unfastened and play present in strut, visually cambered from looseness, 4-inch wheel hub spacers, and offset aftermarket Volvo wheels, informed customer will attempt recall and perform testing and tear down authorized due to modifications to determine cause of failure. performed recall, stuck in park still present self-test P07E6, P0974 present, inspection found CV axle grease slung and performed pinpoint testing F, F1 y F2Y F3Y F4 Y F5Y F6Y F7y installed known good, parking lock actuator. Stuck in park and codes still present after verifying proper function and integrity of all parking actuator functions, mechanical failure present internal to trans, tear down inspection performed, found wear on differential bearings, wear on transfer shaft gear assembly bearings, found grind marks on planetary carrier support cover from the ring gear. excessive play and wear found on sun gear on start/generator rotor, planetary gears, and ring gears. rotor, with excessive play in sun gear and planetary, contacting stator assembly, and mechanically binding. This wear, caused from increased loading and imbalance on the rotating assemblies onto the planetary gear reduction set resulting in starter motor/generator to mechanically and electrically short the rotor to the stator. Replace and retest (edited)

They asked for the loaner back and the next thing i've done was speak to the Parts/Service director. I had also spoke to the Service manager who was no help. The parts and service director offered to have a Field Engineer come out and inspect the parts and present his findings if they were from modifications or something else. Its been about a week now so im waiting to hear back when the Field Tech comes out.

I've seen so many issues with CV axles and Transmissions that I wanted to note this here as i'd be using others issues to make my case if I have to escalate this higher. I already called customer relations who told me they defer to the dealership. They ask if the part can be covered under warranty, and if there are modifications. Simply put. The tech I dont agree with his findings since he didnt measure any play from my wheel or axle from the beginning. He stated I had 4in wheels spacers which is wrong, and only focused on my modifications not how the part actually failed. So now here I am having to fight them on this issue.
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Racerx410

Racerx410

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They exaggerated as much as they could in the opening paragraph. One of the front struts had the adjusting ring seized up (how many miles my suspension has seen) and I raised the truck up a little bit but the ring you loosen to adjust and turn the suspension lower or high was still in its original position since i raised it. Nothing was loose on my truck at all, it rode perfect no abnormal noises or anything.
 

OleFordGuy

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All I can say is Good Luck. There's know issues with the CV axles, especially on the hybrid from the post I've seen but there's some serious stuff in the "findings" section of your post. My guess is ford is not going to warranty all those issues. I have no clue if any of it could be related to your mods.
 

Tiger Dude

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I'm guessing they have guidelines around wheel spacers and suspension changes.
If you take them to court they will have to prove the cause, it's not up to you to prove it didn't. But it is up to you to take them to court.
 
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Racerx410

Racerx410

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All I can say is Good Luck. There's know issues with the CV axles, especially on the hybrid from the post I've seen but there's some serious stuff in the "findings" section of your post. My guess is ford is not going to warranty all those issues. I have no clue if any of it could be related to your mods.
Yeah, they will have to prove the mods caused the failure but if thats the case then what amount of play was there that was so small that it wasnt noticable in a shakedown/inspection, abut able to cause internal gear wear/failure. I find it unlikely and with the little bit of markings on the parts any resonable person would estimate a sudden failure not something that was out of play scrapping around for thousands and thousands of miles. I'll upload pictures shortly.
 

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Hot Runr Guy

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You might want to start getting rid of your autocrossing evidence, before they find it,,,,,



Just sayin'. HRG
 
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Racerx410

Racerx410

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You might want to start getting rid of your autocrossing evidence, before they find it,,,,,



Just sayin'. HRG
Its now private. I honestly made the others the same but forgot about that short. Thanks lol
 

TedTX

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Thanks for the warning thread. Never had a budget to do anything more than I did, but as a poor electrical engineer college student I had more Audio equipment invested then the old Gremlin that held it was worth.
 

pigsareus

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I wil start with whats done to my Maverick (22 Hybrid 41k miles). Sept. 2023 I installed Silvers Coilovers with Swift springs onto My Hybrid Maverick. Drove the vehicle to Tail of the dragon and all was fine drove back home to Maryland with no issues. Shortly after added 2" spacers. I also have 17" Volvo S40 oem wheels with factor tire sizes. I recently had a 30k Service and alignment (I wanted because my steering wheel was a little off center and tracking right) at my original Ford Dealership with nothing noted from that courtesy inspection and service.

Fast forward to 2 months back, one day I'm pulling out of my house and drive about 60 secs to dunkin donuts and turn into the parking lot when the horn came on and wouldn't turn off. This would be the last time my truck would drive/move. I tried to disable the horn and continue to drive but after pulling the fuse and trying to drive I had shift errors or something. I put the fuse back and then disconnected the horns. Horn was off but now the truck had a body code and shift faults.

Towed it to the dealership and told them the same things. At the time there was 3 Open Recalls one of which I had been waiting for parts for for over a month.

  • 23S27 UNDER HOOD FIRE
  • 24S27 BODY CONTROL MODULE BCM SOFTWARE UPDATE
  • 24S33 POWERTRAIN CONTROL MODULE PCM SOFTWARE UPDATE
They had the vehicle for about 2 weeks and couldnt find anything initially, then once the tech got free again they called me and asked for consent to do a $1200 tear down. Here began the warranty vs modifications battle. I agreed, they tore the truck apart and eventually told me that the failure was due to my modifications.

Their findings below:
Verified concern, vehicle stuck in park. Recall present stuck in park concerns, vehicle heavily modified including but not limited to lowering adjustable strut and spring assemblies found unfastened and play present in strut, visually cambered from looseness, 4-inch wheel hub spacers, and offset aftermarket Volvo wheels, informed customer will attempt recall and perform testing and tear down authorized due to modifications to determine cause of failure. performed recall, stuck in park still present self-test P07E6, P0974 present, inspection found CV axle grease slung and performed pinpoint testing F, F1 y F2Y F3Y F4 Y F5Y F6Y F7y installed known good, parking lock actuator. Stuck in park and codes still present after verifying proper function and integrity of all parking actuator functions, mechanical failure present internal to trans, tear down inspection performed, found wear on differential bearings, wear on transfer shaft gear assembly bearings, found grind marks on planetary carrier support cover from the ring gear. excessive play and wear found on sun gear on start/generator rotor, planetary gears, and ring gears. rotor, with excessive play in sun gear and planetary, contacting stator assembly, and mechanically binding. This wear, caused from increased loading and imbalance on the rotating assemblies onto the planetary gear reduction set resulting in starter motor/generator to mechanically and electrically short the rotor to the stator. Replace and retest (edited)

They asked for the loaner back and the next thing i've done was speak to the Parts/Service director. I had also spoke to the Service manager who was no help. The parts and service director offered to have a Field Engineer come out and inspect the parts and present his findings if they were from modifications or something else. Its been about a week now so im waiting to hear back when the Field Tech comes out.

I've seen so many issues with CV axles and Transmissions that I wanted to note this here as i'd be using others issues to make my case if I have to escalate this higher. I already called customer relations who told me they defer to the dealership. They ask if the part can be covered under warranty, and if there are modifications. Simply put. The tech I dont agree with his findings since he didnt measure any play from my wheel or axle from the beginning. He stated I had 4inv wheels spacers which is wrong, and only focused on my modifications not how the part actually failed. So now here I am having to fight them on this issue.
everything is so intertwined in this ....if the Field tech agrees w/ the dealership then I think the absolute best you are going to do is to see if they'll go 50/50 with you. If you get your own in dependent inspection and they say the same then you lose altogether. if your independent tech finds it's not your fault then it's going to be him vs the dealership + the Field tech. You might end up eating all of this - I'd offer 50/50 and see where that goes. And then of course they're going to want you to sign something freeing them from any future claims unless you put most if not all of it back to where it was.
 
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Vaportrail

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Damn-

This is why I still haven't installed my coilovers...

I've been looking at my kit sitting in the box, for a year now-

Kinda scared to install it...
 

OleFordGuy

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Don't get me wrong, I think owners have their right to modify things to their taste, this is America, freedom. But at the end of the day, ford and all the other mfg have themselves covered in the warranty, which basically says it stays factory. They have untold numbers of engineers, specialist, etc that they can send to court, siting design specs, tolerances etc along with untold lawyers to defend their stance. So it will end with which side has the dollars to pay the lawyers, courts for the longest period of time. It's all a risk we take when customizing.
 

Master Blaster

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Just out of interest, the halfshafts an any vehicle are only designed to transmit rotational loads and are not supposed to take anything more that slight in/out pressure, and yours clearly did that to damage the transmission like that. So what did you set up wrong?
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