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Thread: BKP engine. EGR Cooler - what dissolves Carbon?

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  1. BKP engine. EGR Cooler - what dissolves Carbon? 
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    Greetings again Experts!
    A 'while I'm at it ' job --- have the EGR Cooler from above the exhaust manifold off .---- thought to clean it out while its off .---- the flap valve part is fine and easy to clean but the cooler part cannot be mechanically cleaned ( unlike on the 1.6 TDI) so please gentlemen, WHAT IS BEST TO CHEMICALLY DISSOLVE THE CARBON IN THAT ?
    BKP engine egr cooler.jpg


    Thanks as ever.
    Ted
     
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  2. Re: BKP engine. EGR Cooler - what dissolves Carbon? 
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    Errr? Don't know why the angry face is above! My mistake? I'm sat here calm and quiet in the Southern Portugal sun with a glass of wine in my hand! -- awaiting your knowledgeable replies!
     
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  3. Re: BKP engine. EGR Cooler - what dissolves Carbon? 
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    Try oven cleaner. Or an ultrasonic cleaning bath if you have access to one.
    Current- A6 C8 40 tdi quattro s line Daytona Grey
    Gone-S3 sportback, A6 C7 biturbo saloon,A4 B 8.5 avant, A6 C6 3.0 tdi Quattro saloon, A6 C5 2.8 Q Avant
     
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  4. Re: BKP engine. EGR Cooler - what dissolves Carbon? 
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    Good idea Scott. thanks.
    Will do --- Hope my chips still taste ok!
    Ted
     
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  5. Re: BKP engine. EGR Cooler - what dissolves Carbon? 
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    Again Scott, Thanks.
    Oven cleaner seemed to work a bit but, for others reference, I tried "Agerul" -- a strong kitchen grease cleaner which I believe has a good dose of ammonia --- it works very well and doesn't harm the alloy casing or the fins insert .
    Kind regards
    Ted
     
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  6. Re: BKP engine. EGR Cooler - what dissolves Carbon? 
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    Good to know as these parts are always going to be problematic
     
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