Anyone had issues with the 2.0 CR TDI Engine? (2008-2009) - 2 Questions

Associate
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29 Jul 2013
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1,367
Location
Sheffield
I hear these engines have the dreaded 77mm hex key oil pump issue,

My question is:


1. has anyone else experienced this issue?

2. Does anyone on here have one that's high mileage?
 
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mjt

mjt

Soldato
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31 Aug 2007
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20,020
I have a 2010 Audi A6 with a CAHB engine (which I presume is a CAHA detuned to 120kw for the Belgian market).
Anyway, it’s one of the EA189 engines which was the focus of the emissions scandal. I had the dieselgate fix done a year or so ago.

I bought the car on 64,000 miles 4 years ago and it’s just rolled over 120,000. The only issue I’ve had with the vehicle was a high pressure sensor 2(?) years ago which was fixed under an aftermarket warranty taken out when I purchased the car.

The vast majority of the miles have been motorway driving, often at high speed through Germany, but whether that has any bearing on my lack of issues is difficult to ascertain.
 
Soldato
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5 Oct 2009
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Location
Spalding, Lincs
It's quite a common failure point. You can buy a kit with balance shaft and uprated hex key. Worth doing for peace of mind.

My old A3's engine was one at risk as such, but at 106k it was still OK. I just never really got around to doing it.

There doesn't seem to be a particular mileage they fail at though.
 
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