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7k+ AC Repair Bill Questions

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2016 Model X

For a bit (yearish), the car had been sounding like a rocket about to take off when the AC kicked on - including when the car wasn't being used. Our 2014 Model S sounded very quiet in comparison. The sound was heard across parking garages. We had service done on the Model S in the driveway and the tech said the Model X sounded normal.

Roughly a month ago, the AC seem to have stopped working after making a single loud grinding noise. Then when trying to use it, after a bit, got the "Air conditioning reduced: DC Fast Charging / Supercharging rate may be reduced". Scheduled an appointment that was 3 weeks later. Decided to use the car on cold mornings to drop the kids off, when turning on the defrost, got "Vehicle may not restart: Service is required". Turning off defrost, the message went away. Decided to not drive it until Service Center looked at it. Decided to drive it up on the morning of (1.5 hours drive) - which it was cold, and no messages ever came up.

They have reviewed it and came back with AC Compressor needing to replace - then 5 hours later - adding Coolant Flush - then overnight adding 8+parts to make the total skyrocket to 6k for AC. Then they stated that the "Vehicle may not restart" was a separate concern and reported that Therm Sys Battery Heater needed to be replaced (another 1.3k).

Trying to get in contact with the SC for the past week has been very unsuccessful. Not sure where to go from here. Was wondering if anyone else can provide insight. Are they just listing all the possible parts that may be needing to be replaced?

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I noticed a Service Bulletin of https://www.tsbsearch.com/Tesla/SB-16-18-002 and going to follow up on them with it.

(We also reported the seems to be common creaking on dry days on the front left suspension (another 1.5k))
 
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Reactions: BrownOuttaSpec
They are also doing a flush and doing the full replacement. Why would they need to flush if they are replacing everything? Wouldn't flush clean all parts or is it not good enough?
Are u asking about this?
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if so, probably cause they're not replacing lines going to rear evaporator... which actually is contradicting to why not just flush all lines n replace only compressor n maybe expansion valves (they have very small orifice so might not be able to flush)

Or ur statement about additional "coolant flush" (don't see it on the bill)?

Here's what i would do (diy biased tho):
get used compressor from like eBay/salvage yard (currently runs about ~$300-400)
remove expansion valves n clean/flush off body
flush all lines with compressed air and/or running some liquid thru it (not sure what actually, never had to do it yet)
assemble n charge
if it works, great, if not u only out like $500...