3.2 VR6 (BHE engine code) - blocks 208, 209 VVT/Timing chains

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TT-BHE

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I've just scanned my engine to check the timing chain/VVT values.
I've read that the values of blocks 208 and 209 can range from -8* to +8* ...BUT these values should not be separated by more than 3. As can be seen, mine are 4 apart, reading +1 and -3. (Measurements taken at operating temperature.)

I tried to upload a pic to the recommended picture sharing sites but it wasnt working... alt link to VCDS screen capture - https://drive.google.com/file/d/1UWdRTWAdnxAfULEQJiSZB0yGfWxVoGSp/view?usp=sharing

readings-
208 - phase position intake cam = 127, intake cam offset 1.0*KW
209 - phase position exhaust cam = 132 (is this too high?), exhaust cam offset -3.0*KW
 
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TT-BHE

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The car is new to me but 18 years old. Its only done 39k miles. Its service history shows Audi main dealer servicing up to 30,000 miles but I cant read the details as its all in Japanese (car bought from Japan).

I came across this advice re intercam timing spread - "a surprising point to note is that high values are not always indicative of worn guides or a stretched chain! There have been instances in Germany whereby poor service intervals (Longlife) has gummed up the cam variators/VVT assemblies/solenoids resulting in high values that’s clearly appeared to be worn chains but after several oil flushes and filter changes returned to almost perfect ‘out the factory’ values. There appears to be some correlation between the intercam timing spread and the intermediate shaft values that points to this" - maybe oil flushes are needed?

If a car is older with low miles and milage oil changes have been used instead of time-based oil changes, is the aforementioned "gummed up" situation more likely??
 
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TT-BHE

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Hi and welcome.

Please post an Auto-Scan for context.

-Uwe
Thanks for welcome. I'll try autoscan upload but I failed to get a screenshot of the above scan to appear in the post so please dont hold your breath ;)
 
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Dukedesmo

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I had a 2004 A3, 3.2/VR6 and it suffered the camchain/tensioner failure at a similar mileage to yours. Luckily it was repaired (mostly) under warranty despite being out of the actual warranty period but it took the Audi dealer 3 attempts and a couple of months to get it right.

Quite a common fault on engines of that era apparently, although when mine went it did so suddenly, was very noticeable, almost undriveable as it felt like it was running on only 2 or 3 cylinders.
 
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TT-BHE

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I had a 2004 A3, 3.2/VR6 and it suffered the camchain/tensioner failure at a similar mileage to yours. Luckily it was repaired (mostly) under warranty despite being out of the actual warranty period but it took the Audi dealer 3 attempts and a couple of months to get it right.

Quite a common fault on engines of that era apparently, although when mine went it did so suddenly, was very noticeable, almost undriveable as it felt like it was running on only 2 or 3 cylinders.
Thanks for the reply. What was the actual failure and what did they do to fix it?
 
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Dukedesmo

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Thanks for the reply. What was the actual failure and what did they do to fix it?

Not sure if it was the chain or the tensioner as they weren't very clear when telling me and they said they would change both anyway as the parts were relatively insignificant when compared to the labour (they told me 16 hours as an engine out job). They 'fixed' it twice but both times the same thing happened again after just a few miles so it went back for the third time.

I then got the impression that they were just throwing parts at it until, eventually it worked.

In one conversation they told me that they suspected the camshaft was twisted! and so were going to replace it. :confused:

When I finally got it back, no-one seemed able to tell me exactly what was wrong but it did go to almost 100,000 miles in my ownership without further problem so it was fixed.
 
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Thanks for welcome. I'll try autoscan upload but I failed to get a screenshot of the above scan to appear in the post so please dont hold your breath ;)
 
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PetrolDave

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Thanks for welcome. I'll try autoscan upload but I failed to get a screenshot of the above scan to appear in the post so please dont hold your breath ;)
You don't post a screenshot of the Auto-Scan (that only shows part of it), using Notepad you copy the text file of the scan that VCDS auto-saves in C:\Ross-Tech\VCDS\Scans and paste it here (preferably using the </> icon in the forum editor).
 
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TT-BHE

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Code:
Sunday,09,May,2021,21:03:09:02704
VCDS -- Windows Based VAG/VAS Emulator Running on Windows Vista x86
VCDS Version: 21.3.0.0  HEX-V2 CB: 0.4543.4
Data version: 20210226 DS325.0
www.Ross-Tech.com


VIN: TRUZZZ8N241012948   License Plate:


Chassis Type: 8N (8N - Audi TT (1999 > 2007))
Scan: 01 02 03 08 15 17 22 35 37 45 55 56 76 77

VIN: TRUZZZ8N241012948  
-------------------------------------------------------------------------------
Address 01: Engine        Labels: 022-906-032-BDB.lbl
   Part No SW: 022 906 032 DP    HW: 260 603
   Component: MOTRONIC ME7.1.1    0006 
   Coding: 0000133
   Shop #: WSC 01236 785 00200
   VCID: 5CE19ED29A3B2EEBB3B-513C

No fault code found.
Readiness: 0110 1101

-------------------------------------------------------------------------------
Address 02: Auto Trans        Labels: 02E-927-770.clb
   Part No SW: 02E 300 046 K    HW: 02E 927 770 AD
   Component: GSG DSG         041 0811 
   Revision: 04004010    Serial number: 00000503040512
   Coding: 0000020
   Shop #: WSC 44551 111 44551
   VCID: 1F1BE9DECBAD75F3969-513C

1 Fault Found:
18250 - Please check DTC Memory of Instrument Cluster
            P1842 - 000 -  - Intermittent

-------------------------------------------------------------------------------
Address 03: ABS Brakes        Labels: 8N0-907-379-MK60-A.lbl
   Part No: 8N0 907 379 K
   Component: ESP ALLRAD MK60     0102 
   Coding: 0022548
   Shop #: WSC 01236 785 00200
   VCID: 44D146B2028B762BEBB-513C

No fault code found.

-------------------------------------------------------------------------------
Address 08: Auto HVAC        Labels: 8N0-820-043.lbl
   Part No: 8N0 820 043 A
   Component: TT-KLIMAVOLLAUTOMAT D03 
   Coding: 00241
   Shop #: WSC 01236 
   VCID: 2809F2029BE3B24BE73-2580

No fault code found.

-------------------------------------------------------------------------------
Address 15: Airbags        Labels: 8N0-959-655.lbl
   Part No: 8N0 959 655 B
   Component: Airbag Front+Seite 6000 
   Coding: 00102
   Shop #: WSC 01236 
   VCID: 3FDB495E6E6D15F3B69-513C

No fault code found.

-------------------------------------------------------------------------------
Address 17: Instruments        Labels: 8Nx-920-xxx-17.lbl
   Part No: 8N2 920 931 A
   Component: KOMBI+WEGFAHRS. M73 D07 
   Coding: 03462
   Shop #: WSC 00000 
   VCID: 313F1F66A839F38330D-4B00
   TRUZZZ8N241012948     AUZ5Z0C6245114

3 Faults Found:
00667 - Ambient Temperature Signal
            30-10 - Open or Short to Plus - Intermittent
01304 - Radio
            49-00 - No Communications
01305 - Databus for Infotainment
            37-00 - Faulty

-------------------------------------------------------------------------------
Address 22: AWD        Labels: 02D-900-554.lbl
   Part No: 02D 900 554 C
   Component: HALDEX LSC  ECC     0010 
   VCID: 2019EA22F3D34A0BAF3-4B00

1 Fault Found:
00526 - Brake Light Switch (F)
            27-00 - Implausible Signal

-------------------------------------------------------------------------------
Address 35: Centr. Locks        Labels:. 8Nx-962-267.lbl
   Part No: 8N8 962 267 F
   Component: Central Lock        D09 
   Coding: 06848
   Shop #: WSC 07130 
   VCID: 44D146B2078B762BEBB-4EC8

No fault code found.

-------------------------------------------------------------------------------
Address 55: Headlight Range        Labels: 4B0-907-357-AUT.lbl
   Part No: 4B0 907 357
   Component: LEUCHTWEITEREGLER  D004 
   Coding: 00010
   Shop #: WSC 01236 
   VCID: 6597BB36AC716F231C5-5184

No fault code found.

End----(Elapsed Time: 02:44, VBatt start/end: 12.5V/12.0V. VIgn 0.0V)------
 
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   #12  

PetrolDave

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Thanks for posting the Auto-Scan - did you have the ignition on when doing the scan? I ask as the scan shows VIgn 0.0V ... which might be a 'feature' of the 8N platform?
 
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TT-BHE

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I had it switched to first position but NOT to engine ignition position.
 
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PetrolDave

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I had it switched to first position but NOT to engine ignition position.
Auto-Scans should always be done with the ignition on, but no need to have the engine running.

Why? Because some modules don't wake up unless the ignition is on.

You can see there are several missing modules in the Auto-Scan you have posted - assuming that you have an OEM radio or sat nav that is the most obvious missing one plus the Bluetooth module.
 
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Uwe

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did you have the ignition on when doing the scan? I ask as the scan shows VIgn 0.0V ... which might be a 'feature' of the 8N platform?
On that car, I believe no modules would talk at all if the ignition wasn't on, and the 8N may very well pre-date having switched power on pin 1 of the DLC.

-Uwe-
 
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TT-BHE

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Its got no radio or sat-nav
 
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