
EVC is vertically integrated startup, from research & development for repair solutions, electronic and mechanic defects, giving customers unique experience āAll in oneā service solution. We have exponential growth demand across all of europe, we have customers coming even from Greece for preventive repairs and we give advantage to non-driving EVās. Soon we will expand more, we are trying to find best model to open first fully owned EVC in Austria or even sustainable franchise model. We are overbooked 1 month in advance, so we nicely ask for patience. This customer waited 1 month with defect Large Drive Unit commonly known for premature failure on coolant seal. But surprisingly this LDU is not RMN (Reman), it was originally built P-TECH MECH and car made 250t km with original motor. It didnt leak coolant, but rotor jackshaft ballbearing metal jacket failed and damaged 2 gears inside. Oil was very dirty and contaminated. This confirms our theory from first LDU repair video from our youtube channel, that you should change Oil in gearbox at 200t km (Dexron VI). With oil change this ballbearing probably wouldnt fail. Second observation is that ballbearing had lot of arc dents from rotor discharge, that means this motor probably had buzzing noise comming from it during acceleration or normal driving. Rotor discharge is big automotive problem, it kills non-ceramic ballbearing, and this one suffer first. So listen your LDU, if it needs care, dont wait.
(model 3, Y not affected. Model S dual drive with letter D not affected)
And second important topic we will write about is Coolant delete for LDU which was released by Tesla and one USA company. I am afraid that might be downgrade, because Model S uses LDU for ehat scavenging in winter to heat up battery, that means you might lose some range, second most concerning issue is rotor ballbearing cooling, because squirrel cage rotor is producing heat similar tor stator, and it is overheating rotor ceramic ballbearing. Without cooling it might fail prematurely because we have seen on cars without cooling issue on rotor. Rotor spins over 10000rpm (tesla 18000) and in those cases rotor kills ballbearings below 100k km. Our rotor coating , coolant drain and teflon seal is roadtested and we can cofirm it is bulletproof solution for 200000km and still driving. No need for coolant delete downgrade.
In case when you destroy gears, that will cost more.
Part number: 1056681-00-P
Flatrate Reman price 2800ā¬+tax
+Gears 800ā¬
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Example of other prices:
Phase board burnt: 800ā¬
Stator tuning 3000ā¬
PCB Inverter controler: 600ā¬

EVC je vertikalno integrirani start-up, od istraživanja i razvoja za rjeÅ”enja popravka, elektroniÄke i mehaniÄke greÅ”ke, pružajuÄi kupcima jedinstveno iskustvo “Sve u jednom” servisnom rjeÅ”enju. Imamo eksponencijalni rast potražnje Å”irom Europe, imamo kupce koji dolaze Äak iz GrÄke radi preventivnih popravaka i dajemo prednost nevoženim elektriÄnim vozilima. Uskoro Äemo se proÅ”iriti viÅ”e, pokuÅ”avamo pronaÄi najbolji model za otvaranje prvog potpuno vlasniÄkog EVC-a u Austriji ili Äak održivog franÅ”iznog modela. Imamo predbukiranost od 1 mjeseca unaprijed, pa ljubazno molimo za strpljenje. Ovaj kupac je Äekao 1 mjesec s defektom Velikog pogonskog modula koji je opÄenito poznat po prijevremenom otkazu brtve rashladnog sredstva. Ali iznenaÄujuÄe, ovaj LDU nije RMN (obnovljen), veÄ je izvorno izgraÄen od strane P-TECH MECH-a i automobil je napravio 250 tisuÄa km s originalnim motorom. Nije curio rashladno sredstvo, ali metalna ovojnica kugliÄnog ležaja glavnog vratila rotora propala je i oÅ”tetila 2 zupÄanika unutra. Ulje je bilo jako prljavo i kontaminirano. Ovo potvrÄuje naÅ”u teoriju iz prvog videa popravka LDU-a s naÅ”eg YouTube kanala, da biste trebali promijeniti ulje u mjenjaÄu na 200 tisuÄa km (Dexron VI). S promjenom ulja ovaj kugliÄni ležaj vjerojatno ne bi propao. Druga zapažanja su da je kugliÄni ležaj imao puno lukova od pražnjenja rotora, Å”to znaÄi da je ovaj motor vjerojatno imao zujanje tijekom ubrzanja ili normalne vožnje. Pražnjenje rotora je veliki problem u automobilskoj industriji, uniÅ”tava kugliÄne ležajeve bez keramike, a ovaj je prvi pretrpio. Stoga sluÅ”ajte svoj LDU, ako mu je potrebna njega, ne Äekajte.
(model 3, Y nije pogoÄen. Model S dual drive s oznakom D nije pogoÄen)
I druga važna tema o kojoj Äemo pisati je brisanje rashladnog sredstva za LDU koje je Tesla i jedna ameriÄka tvrtka objavila. Bojim se da bi to mogao biti korak unatrag, jer Model S koristi LDU za skupljanje topline zimi kako bi zagrijao bateriju, Å”to znaÄi da biste mogli izgubiti neki doseg, drugo najvažnije pitanje je hlaÄenje kugliÄnog ležaja rotora, jer rotorski kavez proizvodi toplinu sliÄnu statoru, i pregrijavanje rotorskog keramiÄkog kugliÄnog ležaja. Bez hlaÄenja može prijevremeno propasti jer smo na automobilima bez problema s hlaÄenjem na rotoru vidjeli problem s rotacijskim kugliÄnim ležajem. NaÅ”e premazivanje rotora, odvod rashladnog sredstva i teflonski brtveni prsten testirani su na cesti i možemo potvrditi da je to neprobojno rjeÅ”enje za 200.000 km i joÅ” uvijek vozi. Nema potrebe za smanjenjem brisanja rashladnog sredstva.
U sluÄaju uniÅ”tenja zupÄanika, to Äe koÅ”tati viÅ”e.
Fiksna cijena za obnovu 2800 ā¬ + porez
+ZupÄanici 800 ā¬
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Primjer drugih cijena:
OÅ”teÄena faza ploÄe: 800 ā¬
PodeÅ”avanje statora 3000 ā¬
PCB inverter kontroler: 600 ā¬





