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Discussion Starter #1
Had some work done and found the egr blanking plate badly corroded e.g. Small hole. Anyone else had similar experience? Had egr delete 3 years ago and 25k miles. Surprised it didn't last longer.
 

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What's the plate made from? I've heard the ally ones can eventually burn through.
 

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Yes I also had a hole corroded in the (aluminium) blanking plate.

Strange how this can actually happen in a dead end after the egr cooler??
 

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I'd say replace with a Stainless Steel one, 304 or 316 SS should be fine. Can't see either of those corroding through.
 

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Discussion Starter #5
I'd say replace with a Stainless Steel one, 304 or 316 SS should be fine. Can't see either of those corroding through.
Not sure of material (garage took photo of plate) but really surprised how quickly it has corroded. Got replacement from eBay but it's aluminium.
 

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If you're handy with a hacksaw or angle grinder you could knock one up from stainless using ally one as a template?
 

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Not sure of material (garage took photo of plate) but really surprised how quickly it has corroded. Got replacement from eBay but it's aluminium.
Stainless Steel ones on Ebay are still pretty cheap. Would surely last longer than an Aluminium one.
 

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Are you sure Alfa didn't end up supplying plates with a tiny hole in. I thought I'd read that a couple of years ago.
 

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Yep, but I guess they weren't allowed to supply a complete blank plate/EGR delete.
 

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Was this Alfa supplied balking plate really done or just folk lore? Sounds a bit Alfagateish to me.
Was done...But Alfa had no choice as EGR still has to be functional...If it can help your "feelgoodfactor" about Alfa, every other manufactor suffer from same problem with their EGR-systems..Some more some less, but endresult are the same...Especially if you have a relaxed drivingstyle or do short runs.
 

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Alfa did supply partial blanking plates, there were two versions to my knowledge;
For the 1.9 jtdm 8v, a diamond shaped one with three small holes
For the 1.9 jtdm 16v It was the rectangular one with four holes in.

AFAIK you just need an 8mm hole to stop the EML coming on.
Not sure of any benefits from three small holes over one large, presumably it was have higher turbulence, which might just help mixing of the gasses.


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