Author Topic: Gen 2 rear arch rust.  (Read 2477 times)

0 Members and 1 Guest are viewing this topic.

Offline StevenRB45

  • MPS Class
  • *****
  • Posts: 886
  • Gender: Male
  • Suzuki and Fiat Refugee
  • Body: Hatchback
  • Colour: Crystal White Pearl (34K) Metallic
  • Engine: 1.6L
  • Fuel: Petrol
  • Model: Mazda 3
  • Transmission: Manual
  • Trim: TS2 Takuya
  • Year: 2011
Gen 2 rear arch rust.
« on: January 02, 2018, 03:59:50 PM »
Have you checked your rear arches recently? Now I've been having the odd orange runner on the flange round the rear arch but other wise they are clean to look at.



However running you hand around the inner skin (as I always do because I clean them out) it doesn't feel smooth towards the front behind the skirts. Now I always hoped this was rust proofing on the inner surfaces..but well it contains the word "Rust"






Drive on the bottom of the sea much?

Looks like the inner skin is well away, anyone had to use the anti corrosion warranty? Should this be covered or do I have to wait until holes appear?

Offline Willpower

  • Administrator
  • Super Ultimate Class
  • *
  • Posts: 6502
  • Gender: Male
  • East Anglia Mountain Rescue Team
  • Body: Saloon
  • Colour: Winning Blue (27B) Metallic
  • Engine: 2.0L
  • Fuel: Petrol
  • Model: Mazda 3
  • Transmission: Manual
  • Trim: Sport
  • Year: 2004
Re: Gen 2 rear arch rust.
« Reply #1 on: January 02, 2018, 05:30:57 PM »
Having been through this saga with the Gen 1's  I can categorically say that Mazda's Anti corrosion warranty only applies if the metal is actually perforated. 

So ridiculous as it seems,the straight answer to your last question is.  Yes, you have to have holes .   

If you want to go searching (way back 2009 ish)   there are postings covering the recall that was issued at the time which included treatment/replacement of part of the outer skin.  However this entailed a cut and replacement segment of the panel.  However things might ! !  have changed in the intervening years and the wording might have become more lenient. But I doubt it.


Look at life through the windscreen, not the rearview mirror.
2004 Winning Blue 2Ltr Sport Saloon.  Laser Blue Main beams.

Offline StevenRB45

  • MPS Class
  • *****
  • Posts: 886
  • Gender: Male
  • Suzuki and Fiat Refugee
  • Body: Hatchback
  • Colour: Crystal White Pearl (34K) Metallic
  • Engine: 1.6L
  • Fuel: Petrol
  • Model: Mazda 3
  • Transmission: Manual
  • Trim: TS2 Takuya
  • Year: 2011
Re: Gen 2 rear arch rust.
« Reply #2 on: January 02, 2018, 06:23:55 PM »
Figured, to be fair to it fairly sure if you look under any 6-7 year old car you will find bits you wish you hadn't looked at.

It's a big moisture trap behind the insulation and the side skirt end so I'm not particularly surprised. It's a question of what to do with it, leave it until it rots through to the other side (probably a few years yet) or get it ground back and sealed.

Would be interesting to see a few other gen 2s of a similar age as I doubt mine is alone, especially given I clean this area out when I wash it.
« Last Edit: January 02, 2018, 09:51:36 PM by StevenRB45 »

Offline audioslaven

  • Takara Class
  • ***
  • Posts: 85
  • Gender: Male
  • Go on an save yourself, take it out on me!!
  • Body: Saloon
  • Colour: Sunlight Silver (22V) Metallic
  • Engine: 1.6L
  • Fuel: Diesel
  • Model: Mazda 3
  • Transmission: Manual
  • Trim: Sport
  • Year: 2008
Re: Gen 2 rear arch rust.
« Reply #3 on: January 02, 2018, 10:03:24 PM »
I must check my wagon and see. If I see that I will clean it off and apply some paint like red/black oxide

Offline StevenRB45

  • MPS Class
  • *****
  • Posts: 886
  • Gender: Male
  • Suzuki and Fiat Refugee
  • Body: Hatchback
  • Colour: Crystal White Pearl (34K) Metallic
  • Engine: 1.6L
  • Fuel: Petrol
  • Model: Mazda 3
  • Transmission: Manual
  • Trim: TS2 Takuya
  • Year: 2011
Re: Gen 2 rear arch rust.
« Reply #4 on: January 03, 2018, 09:21:38 AM »
Well she's booked in for Monday at 4pm. First thing they checked full Mazda history. Apparently they shall be taking photos and making some paint depth measurements then off to Mazda UK it goes to see if it gets upheld.

Hmmm...

Offline speedy mazda

  • TS2 Class
  • ***
  • Posts: 221
  • Gender: Male
  • zoooom zooom zoooooooooooooooom
  • Body: Hatchback
  • Colour: Aluminium Silver (38P) Metallic
  • Engine: 1.6L
  • Fuel: Petrol
  • Model: Mazda 3
  • Transmission: Manual
  • Trim: Sport
  • Year: 2010
Re: Gen 2 rear arch rust.
« Reply #5 on: January 07, 2018, 07:03:49 PM »
hi steven what part of the car were the last two photos taken?. didn't you have one of your wings resprayed  due to some damage ?.

Offline StevenRB45

  • MPS Class
  • *****
  • Posts: 886
  • Gender: Male
  • Suzuki and Fiat Refugee
  • Body: Hatchback
  • Colour: Crystal White Pearl (34K) Metallic
  • Engine: 1.6L
  • Fuel: Petrol
  • Model: Mazda 3
  • Transmission: Manual
  • Trim: TS2 Takuya
  • Year: 2011
Re: Gen 2 rear arch rust.
« Reply #6 on: January 07, 2018, 07:26:55 PM »
Its inside the rear arches on both sides, comedy annotated photo.


The repair was at the front, rears have had nothing done.

Offline speedy mazda

  • TS2 Class
  • ***
  • Posts: 221
  • Gender: Male
  • zoooom zooom zoooooooooooooooom
  • Body: Hatchback
  • Colour: Aluminium Silver (38P) Metallic
  • Engine: 1.6L
  • Fuel: Petrol
  • Model: Mazda 3
  • Transmission: Manual
  • Trim: Sport
  • Year: 2010
Re: Gen 2 rear arch rust.
« Reply #7 on: January 07, 2018, 07:50:56 PM »
will have a look at mine another day ,did you pull the wheel arch stone gaurds back ?.cant say I noticed any today when I washed it but will have to have a closer inspection .Before winter  I noticed a lot of rust around the back suspension parts so I slapped some wax oil about.

Offline StevenRB45

  • MPS Class
  • *****
  • Posts: 886
  • Gender: Male
  • Suzuki and Fiat Refugee
  • Body: Hatchback
  • Colour: Crystal White Pearl (34K) Metallic
  • Engine: 1.6L
  • Fuel: Petrol
  • Model: Mazda 3
  • Transmission: Manual
  • Trim: TS2 Takuya
  • Year: 2011
Re: Gen 2 rear arch rust.
« Reply #8 on: January 07, 2018, 08:01:18 PM »
The wheel arch liners in the back are a soft material resting on the lip where the 2 arch skins meet. I didn't take them out, I noticed roughness on the inner surfaces when I was washing so stuck a very thin camera in to have a look at what was going on.

Offline StevenRB45

  • MPS Class
  • *****
  • Posts: 886
  • Gender: Male
  • Suzuki and Fiat Refugee
  • Body: Hatchback
  • Colour: Crystal White Pearl (34K) Metallic
  • Engine: 1.6L
  • Fuel: Petrol
  • Model: Mazda 3
  • Transmission: Manual
  • Trim: TS2 Takuya
  • Year: 2011
Re: Gen 2 rear arch rust.
« Reply #9 on: January 08, 2018, 04:51:52 PM »
Well the trip to the dealer has happened, they don't think I've got a hope in hell of Mazda paying for it. But for being told that it was a very nice experience at least. They got my car up on the ramp to show me it from below, had a chat with the service manager, they also let me have a look around the rear arches of a 61 plate 3 in gun metal that was in.

So what have we learned? Well apparently the perforation warranty only covers external body panels of the car, so even if where it's rusty was perforated it wouldn't actually be covered. Second my car is not perforated in the slightest, and Third when the cold weather breaks I'm investing in some waxoyl to cover the afflicted areas.

Oh and you if you have a gen 2 you may wish to waxoyl as well, as although the gunmetal car didn't show the discolouration mine has due to being white, it most definitely had surface rust in the same place.

Also picked up the usual "This is one of the cleanest ones we see"
« Last Edit: January 08, 2018, 04:57:01 PM by StevenRB45 »

Mazda 3 Forums UK

Re: Gen 2 rear arch rust.
« Reply #9 on: January 08, 2018, 04:51:52 PM »