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Is that the same guy that has been appearing in lots of places? There seems to be one person with a very rusty white MG and nobody else seems to join in...or are there others?
 

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Is that the same guy that has been appearing in lots of places? There seems to be one person with a very rusty white MG and nobody else seems to join in...or are there others?
This is certainly a very valid question, and to my knowledge, it is the same person, and it concerns only one single car. There are simply too many unknowns to take it at face value.

Additionally, there is something strange about the parts that rust - and the parts right next to it that don't rust. If this rust is due to a failed process, e.g. the application of the galvanic primer, it would be more uniform and affect wider parts of the body.

However, what is not clear is why MG takes this case so cavalier and does not try to resolve the issue.
 

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Before buying I asked my dealer if they had had any problems with rust since the petrol ZS was launched. He said there had been only one warranty claim for rust - surface rust on the rear door on the inside. Fixed under warranty.

The complaints about rust on the petrol ZS seem limited in number. I think the reported rust issues seem to be isolated to a particular batch of petrol ZS models. I will be keeping my eyes open though!
 

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There seems to be one person with a very rusty white MG and nobody else seems to join in..
I have heard from what I believe to be a reliable source that this one vehicle was a white petrol car built in Thailand. As primer paint is also white, there was an issue with some top coat coverage in the engine bay I believe. In UK weather some surface rust appeared on one or two cars. I've seen this myself on a ford Fiesta I once own 20 yrars ago.

Firstly MG corrected the issue and compensated the customer and secondly, more importantly for UK EV customers, all the EVs sold in UK are coming from the Chinese plant. There have it been any Chinese built cars to have been affected.

The interweb is an echo chamber for people who like the sound of their own voice to rant and just keep kicking off about 1 or 2 cars in nearly 300,000 cars built by the company each year.

I'm not bothering by this report at all. However, I saw a YouTube video the other day showing the construction and fitting of the HV battery pack to the underside of the ZS. What concerned me was the body of the car was painted as well where the battery pack is bolted on and a few cm either side. I would have thought this to be a vulnerable area for corrosion especially since there appears to be B90 underbody sealant applied anywhere near these points. there are also a number of unused bolt holes and I just wonder how well the inside of these box sections are treated for anti corrosion.

But as I say my ZS EV order still stands and expect delivery within the month.
 

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The interweb is an echo chamber for people who like the sound of their own voice to rant and just keep kicking off about 1 or 2 cars in nearly 300,000 cars built by the company each year.

I'm not bothering by this report at all.
If someone has bought a new car with the expectation of keeping it for many years to come, it's not exactly surprising they will be annoyed if its visibly rusting within a year of purchase. If you're the unfortunate owner of a faulty car it's no consolation that most buyers are happy; your car is still faulty so you will kick off.

What's more surprising is that the manufacturer didn't just treat the rust and have it re-painted, and apply some underseal without quibbling. Assuming this is an exceptional event, why wouldn't the manufacturer just repair it? A buyer shouldn't have to fight to get a new rusty car repaired.

Seems a bit of an own-goal by the manufacturer in not fixing it.
 

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If someone has bought a new car with the expectation of keeping it for many years to come, it's not exactly surprising they will be annoyed if its visibly rusting within a year of purchase. If you're the unfortunate owner of a faulty car it's no consolation that most buyers are happy; your car is still faulty so you will kick off.

What's more surprising is that the manufacturer didn't just treat the rust and have it re-painted, and apply some underseal without quibbling. Assuming this is an exceptional event, why wouldn't the manufacturer just repair it? A buyer shouldn't have to fight to get a new rusty car repaired.

Seems a bit of an own-goal by the manufacturer in not fixing it.
Putting underseal on that will just cover up the problem - it might get MG off the hook short term, but the rust will come back. The hollow sections need treating with a low viscosity penetrating rust treatment that will get into the seams, then the visible parts treated after.
 

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Putting underseal on that will just cover up the problem - it might get MG off the hook short term, but the rust will come back. The hollow sections need treating with a low viscosity penetrating rust treatment that will get into the seams, then the visible parts treated after.
I think if you want you car treated with extra underseal you need it done ASAP after delivery. If you collected the car right after the roads were salted and gritted, you'd probably need to have the underbody steam cleaned to de-grease and de-salt it, then treated with anti-rust round any areas known to be a problem and then finally give the sealing treatment.

Some years ago I had a neighbour whose brother worked for Vauxhall in Luton. If they had a glut of cars they would sit in a field until they could be sold, and the field would regularly be waterlogged. Someone bought one of the cars at a heavy discount, and took it to a place to have extra undersealing done, and was quite upset to be told that there was too much corrosion already and it wouldn't make sense to do the treatment at all!

I'm beginning to wonder if MG cut too many corners to make the ZS EV so attractively cheap.

Meanwhile leases on the Zoe are getting more attractive because residuals are so good.
 

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A question for people applying aftermarket rust preventatives, are you going to drop the traction battery off the car while doing this?
 

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A question for people applying aftermarket rust preventatives, are you going to drop the traction battery off the car while doing this?
I shall be stripping out the seats and the carpets, masking off the rest of the interior, and having the entire vehicle dipped!!

just kidding, but I am wondering how, realistically, it will be possible to compensate for lack of galvanising at the factory.
 

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I shall be stripping out the seats and the carpets, masking off the rest of the interior, and having the entire vehicle dipped!!

just kidding, but I am wondering how, realistically, it will be possible to compensate for lack of galvanising at the factory.
Old cars without corrosion protection could be protected pretty well if owners had a proper treatment done by someone like Ziebart. It's hard to get all rust traps with aftermarket protection and (as metioned above), the rust proofer will want to steer well clear of the battery, so (for example) unprotected areas hidden away around the battery may well end up being missed.
 

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What's more surprising is that the manufacturer didn't just treat the rust and have it re-painted, and apply some underseal without quibbling.
It is my understanding that MG did just that and rectified it plus paid compensation to the individuals as a goodwill gesture something which the customer has failed to reciprocate by continuing to create concern for other buyers.

I'll not give any more oxygen to the topic as I'm satisfied with what I have learned and look forward to enjoying my ZS when it arrives.
 

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When I picked up my ZS EV last week he had contacted MG in relation to rust proofing and whether it was allowed. It appears in an email from them that as long as it is applied correctly it wouldn't have any effect on the warranty. One caveat is that the battery pack breather ports are not covered in any way.

I would recommend getting a similar written answer from MG before proceeding with any rust proofing.

I am looking at having Dinitrol applied in certain areas on the advice of a local rust proofing specialist garage and showing them the email from MG.
 

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I am looking at having Dinitrol applied in certain areas on the advice of a local rust proofing specialist garage and showing them the email from MG.
thanks, do please let us know how much it will cost and how long it would take I'm in Cambridge and my closest Dinitrol agent is in Milton Keynes, so I would anticipate having to have it done in one day - arrive morning and either wait, or go shopping and come back later.
 

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I wonder if it must be done by an approved Dinitrol agent? The local rust proofing specialist 10 miles away does not appear on the approved list but uses Dinitrol.

The nearest approved agent is in Johnston near Glasgow which is almost a three hour drive away. On the Dinitrol web site they say it takes up to five days as the car must be thoroughly cleared and dried out, Dinitrol applied and then allowed to dry correctly under controlled conditions!
 

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An interesting thread!
Has anyone got rust on their ZS EVs? Or is it a problem with the ICE model?
Not expecting ours until April, but will be useful to find out!

If it is a problem, how much does the Dinitrol set you back? The only other rust treatment I can think of is Waxoyl.
 

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I used the guys at Spalding for my old camper. It took a week, but that included a lot of prep and an epoxy undercoat. I think a new vehicle would be significantly easier as a starting point. They have to clean the underside (easy on a new car), spray with a salt neutraliser and then dry before doing anything else. It's not a 1 day job if done properly.
 
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