I recently bought a 2015 Tesla s p90dl. Drove it for about an hour then got turtle mode after stopped turning on. Went to get it checked at Tesla and they quoted me around 8k usd for the ldu and battery heater. I looked up videos be such to try to figure out if I can fix it myself and saw many about the seals being changed. My question is would it still be salvageable if I changed the seals or should I just save up enough money to try to get the ldu. I checked the speed sensor it had mainly debris hmm kind of like when coolant and oil mix you get a bit of a milky substance with dirt onto it.