grahamtwatson
Member
I'll be happy to do so Mike.How much do you drive your car?
Will you come back in a few months and update us on how things are going?
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I'll be happy to do so Mike.How much do you drive your car?
Will you come back in a few months and update us on how things are going?
@Crutonius, really good callout. The BMS on the older Tesla's don't do especially well on the bottom end - as the modules age, anything below 40 miles can be dicey. But... really depends on the pack.Thanks for the feedback. I'm very curious to hear how this repair holds up. Be on the lookout for any weirdness like the battery shutting down even though it still seems to have plenty of charge left in it.
It's a shame that they are so far from me (they are in San Antonio, I'm in Seattle) so shipping costs added up but Id HIGHLY recommend them!
As a follow up to this, I did send my 2013 85 S to Recell, and I must say I'm delighted. They dropped the battery, replaced the faulty module as well as the main fuse and contactors, found and fixed an issue with the battery management board on a different module, balanced it all up and thoroughly tested it. They didn't charge (forgive the pun) any extra for the additional problem they found. Communication was outstanding, I've never had anything like it before. including a two year warranty, the cost was about $7.5k. It's a shame that they are so far from me (they are in San Antonio, I'm in Seattle) so shipping costs added up but Id HIGHLY recommend them!
It looks like a shop in Norway is going to start battery repairs, and it sounds like part of what they are doing is making tools/procedures available for others. It will be interesting to see if they actually show what they do to repair packs.We don't even have any comparable after-warranty service here in the UK, but in the next few years as more garages open up to fixing Teslas/EV in general it'll be crucial to know whether their repair will be sustainable.
I am curious to know how Recell works to prevent issues over the long term so that customers don't have to come back a year later due to mismatched modules / cells after a main battery repair. Do they match replacement modules with similar age, voltage and current characteristics when compared with the main pack? It would be nice if new or close to new modules could be used and the BMS would be able to smartly adapt. How are these repairs holding up after a year when customers normally charge to 90%? Are the batteries able to stay balanced? Tesla told me that you now only have to charge to 90% and the batteries will automatically balance themselves.
Ominously one of the businesses that's cited the most, grubermotors, isn't accepting new business and no one has left feedback for them on yelp or any other review service for over a year.
This is the second time Gruber Motors is severely hit by a fire
Probably wouldn't post a phone number on a public forum... should probably edit that.I just need my contractors replaced. Do you know someone who will do this? Tesla won’t do it at the service level because 3rd party vendor worked on the battery in the past.
I'd feel a lot better about these services if I saw more feedback about them. Ominously one of the businesses that's cited the most, grubermotors, isn't accepting new business and no one has left feedback for them on yelp or any other review service for over a year.
TL;DR - Module replacements are not repairs.
You say that but this person claims you replaced a module in their pack:whole heartedly agree. snipping cells and module swapping is a hard no. matching capacity, load profile, impedance are the only way packs remain in balance. those are achievable, but as both @wk057 and @Recell have posted here and elsewhere, far better to simply swap out the pack with an intact, certified and road-tested pack.
Was it not a battery module that was replaced?As a follow up to this, I did send my 2013 85 S to Recell, and I must say I'm delighted. They dropped the battery, replaced the faulty module as well as the main fuse and contactors, found and fixed an issue with the battery management board on a different module, balanced it all up and thoroughly tested it.
Are you saying that while you don't recommend it, you will replace a module in a pack if the customer requests that as a fix?however, we have a long-standing policy of not discussing or commenting on work we've done for customers in public forums. hopefully that makes sense. as our customers will attest, we really do take your privacy seriously.