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Kb1 Leaking A-pillars - hidden rust

Old 10-01-2018, 04:10 AM
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Angry Kb1 Leaking A-pillars - hidden rust

Hi,

During a heavy rain my A-pillars was soaking wet. It started to drip water all over me. (drivers side).
I searched the forum and found some old threads about a bad seal on the windsheild.
I decided to take of the plastic trim on the roof to check if I saw something.
Well, it was full of rust and it seems to even be a hole / crack in the hole chanel underneath the plastic trim.

Never seen so much rust in a place like this. Did someone else had an issue with this?
Passenger side is on the way also, but not not near the bad shape my driver side.




How should i proceed? What can have caused this?
Will the 12-year rust warranty help me? It's a 2008.
Other than this, no significant rust
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Old 10-01-2018, 05:41 AM
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I notice rust bubbling the paint in the places that should have been noticed without removing the plastic.

When's the last time you washed and dried the car!!!
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Old 10-01-2018, 07:11 AM
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The rust bubbles started to show a month ago and grew very fast, I already planned to fix it but did not know about the rust underneath.
I wash and dry it regularly. The paint is very well maintained.
Always professionally wax and ceramic coating jobs.
See rest of the car...




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Old 10-02-2018, 07:11 AM
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FYI...not sure about prices in your country but thats not an inexpensive repair given the location. Good luck
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Old 10-02-2018, 07:26 AM
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interesting; I wonder how that happened.
For the car to look THAT spectacular, it's odd!
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Old 10-02-2018, 08:38 AM
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That's what I also assume about repair cost.
I'm also wondering how this came up. Thanks. Unlucky I guess.
Other side is starting to rust aswell as I said. And no signs of damage or anything on that side eiter...
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Old 10-02-2018, 09:11 AM
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It is bad news indeed.

Replaced the windshield and the two metal plates that protrude from the roof to hold the windshield on the driver's and passenger's are both rusted. They buffed them, put some black treatment on it, and slapped the new windshield.

The car is otherwise without a dot of rust, but how to protect against design flaws where water leak thru pillars, possibly the sunroof, the door handles, and eat through invisibly for years? We take care of that car only for the manufacturing design to come us in the butt.

Acura wouldn't hear of it either. Didn't even replace my handles.
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Old 10-03-2018, 05:58 AM
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Originally Posted by justnspace View Post
interesting; I wonder how that happened.
For the car to look THAT spectacular, it's odd!
I agree!!
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Old 10-03-2018, 07:22 AM
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imteresting RL09! I didn't realize the RL had a sunroof. the drain lines could possibly run through that channel.
if the drain lines get clogged with debris, water will be forced to go somewhere.
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Old 10-03-2018, 12:55 PM
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That is a real shame - looks like it could be an expensive repair as the metal is badly rotted.

I wonder if it's been badly repaired & not re-masticed properly?
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Old 10-03-2018, 01:15 PM
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Originally Posted by justnspace View Post
imteresting RL09! I didn't realize the RL had a sunroof. the drain lines could possibly run through that channel.
if the drain lines get clogged with debris, water will be forced to go somewhere.
What do you mean you didn't know the RL had a sunroof?

Yea well I did 3 yrs ago pour hot water in there and it drained down behind the front wheels. Chances are 1st owner did not.

But I think water's leaking from elsewhere too, like through the edges of the molds.. The door handles are another example everyone has here.

Acura said should've reported it within warranty time.
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Old 10-04-2018, 11:34 AM
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I have rust at the exact same spot on my 06 RL... considering the age of the car, mileage, overall minor rust presence in other areas, etc I have decided for the cheapest fix which worked ok - cleaned it out as much as I could and added waterproofing silicone... yeah, it does not look brand new, nor do I care - it stopped the leak and it will keep going for next 2-3 years, which is what I plan to pull out of this car
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Old 10-06-2018, 08:55 PM
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I have my windshield replaced a year ago and the installer called me over to show me something. It was the two metal pieces at the front of the roof that the windshield may rest on all rusted out. Guessing the strip at the front roofline was leaking. I have never had any water leak anywhere though. I hope I donít have an issue down the road.
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Old 10-08-2018, 02:13 PM
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Originally Posted by grappler171 View Post
I have my windshield replaced a year ago and the installer called me over to show me something. It was the two metal pieces at the front of the roof that the windshield may rest on all rusted out. Guessing the strip at the front roofline was leaking. I have never had any water leak anywhere though. I hope I donít have an issue down the road.
If you can address it now, it is probably better to prevent any leaks. Reason is, leak continues and once it starts dripping inside the car, it is already at the point of having much more rust then before... perhaps some silicone glue or something else to prevent it
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Old 11-12-2018, 07:32 AM
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Update

Went to do the yearly service at the authorised Honda service place and was promised to send this matter to Honda HQ.
Honda HQ then told me to go to a place were they meassured the paint to see if it was repainted or damaged in the past.
Results showed that nothing is repainted where I have this rust, not on roof and not on the A-pillars.
Waiting for an answer from Honda HQ now if they will help me with this.
Hoping for the best.
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