02-01-2015, 05:07 PM | #1 |
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Audi A6 3.0 TFSI 2009 - engine ticking
Hi all,
Just been to look at a replacement daily - and very nice it is too. The only problem was that the engine (V6) has a ticking sound from the rear of the top end. It was intermittant but cold or warm it was there - like dropping a small ball bearing on the head. I've googled but nothing too conclusive was thrown up. The car's clearly been stood for a while Anyone any experience of this? |
02-01-2015, 05:13 PM | #2 |
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It's probably because some of the valves are not closing properly due to the common TFSI excessive carbon build up...
"Google" search VAG TFSI engine problems, carbon build up, de-coke etc...
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02-01-2015, 07:41 PM | #3 | |
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Clearly more investigation needed. Shame really 'cos I'm sold on it otherwise. Decisions decisions. |
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02-01-2015, 11:28 PM | #4 | |
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BTW that AUDI A6 Avant seems a bit pricey IMHO
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03-01-2015, 12:19 AM | #5 | |
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Just this niggling ticking noise . . . |
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03-01-2015, 12:13 PM | #6 |
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Here's a pic of the TFSI engine carbon build up issues IIRC it's from a 22K miles VW Golf MK5 GTi 2.0 TFSI
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03-01-2015, 06:54 PM | #7 |
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I was going to say, in the VW world it's a known problem with the TFSI engine, look at the number of Mk 4 and 5 Golfs being broken on ebay.
Personally I'd advise staying well clear! Technology isn't always what it's 'cracked' up to be!
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03-01-2015, 07:45 PM | #8 |
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Whaaaaaaaat ?!?! and which MK4 Golf exactly has a TFSI engine Neil ???
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03-01-2015, 08:24 PM | #9 |
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Cheers guys.
I test drove the car for a good 20 mins including some seriously "enthusiastic" driving on country lanes and it absolutely flew, I don't think there's an issue of serious carbon build up but its certainly something to be aware of. I think the culprit is one or more of the hydraulic lifters which could either be gunked up or worn. The decision is to have it anyway and get it sorted or walk away. Clearly the asking price is wishful thinking so perhaps that's what'll be the deciding factor. CSL coming out of storage as the surrogate daily for the time being ! |
18-01-2015, 07:04 PM | #10 |
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Found another 'owd Audi 3.0 TFSI Avant. Not the best colour but a year younger, 20,000 miles less, no engine noise, goes like stink and deal done. Pick it up tomorrow eve
CSL can now go back to bed for a few weeks . . . although it has been fun to have around over the last fortnight |
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