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Search: Posts Made By: dhoerl
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Forum: A6 / S6 (C6 Platform) Discussion
03-15-2020, 09:25 AM
Replies: 7
Views: 18,444
Posted By dhoerl

For the record, I did the same (after replacing...

For the record, I did the same (after replacing the sensor that mounts inside the upper dash) and bingo, it was fixed.
Forum: A6 / S6 (C5 Platform) Discussion
07-08-2019, 04:46 AM
Replies: 0
Views: 1,244
Posted By dhoerl

A6 C5 Cam Chain Tensioner Shoes disintegrate causing bizarre error codes

This is a repost of what I experienced recently with my 1999 A6 2.8L. I was driving at 50 MPH or so, pulled into a gas station, and the engine idled roughly, the Engine Warning light came on, then...
Forum: A6 / S6 (C6 Platform) Discussion
08-27-2018, 05:51 AM
Replies: 10
Views: 4,587
Posted By dhoerl

I hadn't subscribed to this thread so missed the...

I hadn't subscribed to this thread so missed the posts til now. I used carburetor spray cleaner. I seriously doubt the tiny bit of carbon on it caused my problem.

Also, yes, just 4 screws. The TB...
Forum: A6 / S6 (C5 Platform) Discussion
08-27-2018, 05:44 AM
Replies: 11
Views: 7,717
Posted By dhoerl

Update: mirror has not come off after almost 15...

Update: mirror has not come off after almost 15 months! Hopeful it never comes off!
Update: almost 3 years, mirror still on!
Forum: A6 / S6 (C6 Platform) Discussion
07-27-2018, 04:59 AM
Replies: 10
Views: 4,587
Posted By dhoerl

FIXED: Engine stumbles and hunts all the time

Posting this as advice for others having a similar issue to the one I had.

A year ago, my 2006 started "hunting" when I'd drive it slowly up a hill. Meaning, it was like an intake leak - the...
Forum: A6 / S6 (C6 Platform) Discussion
09-14-2017, 01:23 PM
Replies: 5
Views: 1,297
Posted By dhoerl

Tips for replacing headlight Xenon bulbs

I had a terrible morning replacing the passenger side Xenon bulb in my 2006 A6. Since my pain was so great, hope I can help the next person out, so some tips:

- loosen and remove the snorkel at...
Forum: A6 / S6 (C6 Platform) Discussion
08-03-2017, 07:24 AM
Replies: 131
Views: 153,143
Posted By dhoerl

Look at my post #116 - it MAY be possible using...

Look at my post #116 - it MAY be possible using VCDS but its complex and I was not sure I could do it. I paid a company in NY to move settings from old to new - it cost many hundreds of dollars. That...
Forum: A6 / S6 (C6 Platform) Discussion
06-19-2017, 06:36 AM
Replies: 131
Views: 153,143
Posted By dhoerl

Note that when you measure the resistance of the...

Note that when you measure the resistance of the power circuit, you are measuring the copper coil windings. That component is inductive - not resistive. So you really need to measure the current when...
Forum: A6 / S6 (C5 Platform) Discussion
06-16-2017, 10:57 AM
Replies: 11
Views: 7,717
Posted By dhoerl

Call me stupid! I found a guy on the web who...

Call me stupid! I found a guy on the web who "rebuilt" them. I just assumed I'd get dimming glass back, but no, the original mirror was just removed from the housing and plain glass installed. I...
Forum: A6 / S6 (C5 Platform) Discussion
06-12-2017, 12:32 PM
Replies: 11
Views: 7,717
Posted By dhoerl

Dear Harleyguy, I had a RVM that leaked its...

Dear Harleyguy,

I had a RVM that leaked its dimming fluid and had it "fixed". Told to twist it off the post - well the post came off too.

Note that post bonds to black disk (plastic of some...
Forum: A6 / S6 (C5 Platform) Discussion
06-09-2017, 10:55 AM
Replies: 11
Views: 7,717
Posted By dhoerl

Well "permanent" doesn't really mean that! It...

Well "permanent" doesn't really mean that! It means "longer than the crappy super-glue like stuff you get from Pep Boys". If I need to get the button off, I would remote the mirror, then heat the...
Forum: A6 / S6 (C5 Platform) Discussion
06-09-2017, 09:13 AM
Replies: 11
Views: 7,717
Posted By dhoerl

I used the mirror repair glue from auto repair...

I used the mirror repair glue from auto repair shops several times, and sometime later - 6 months to a year - the mirror fell off again.

Finally, I discovered that you can get 1 minute epoxy! So...
Forum: A6 / S6 (C6 Platform) Discussion
06-09-2017, 09:09 AM
Replies: 131
Views: 153,143
Posted By dhoerl

You're having the exact same symptoms as I did in...

You're having the exact same symptoms as I did in the past: test would pass always when car started and idling, then fail after 10 min or so when the ECU ran the test again while car in motion.
...
Forum: A6 / S6 (C6 Platform) Discussion
06-08-2017, 12:24 PM
Replies: 131
Views: 153,143
Posted By dhoerl

Hate to pop your bubble, but I'm an electrical...

Hate to pop your bubble, but I'm an electrical engineer who has worked both as a repair technician as well as a circuit design engineer.

I've had both my 1999 ABS units rebuilt because Audi (well...
Forum: A6 / S6 (C6 Platform) Discussion
06-08-2017, 11:48 AM
Replies: 131
Views: 153,143
Posted By dhoerl

I've been struggling with this issue for 2 years,...

I've been struggling with this issue for 2 years, think I'm finally done with it (at least for now). You can read my story of woe here: Audi A6 2006 with EVAP problem (P2404) - Page 12...
Forum: A6 / S6 (C6 Platform) Discussion
07-20-2015, 01:33 PM
Replies: 131
Views: 153,143
Posted By dhoerl

Well, in the end, I think I found my problem. I'm...

Well, in the end, I think I found my problem. I'm 99% sure its the PV. But, you ask, why didn't you change it. Well, when I first saw the P2404 code LAST year - one year ago - I did. Problem went...
Forum: A6 / S6 (C6 Platform) Discussion
07-20-2015, 04:47 AM
Replies: 131
Views: 153,143
Posted By dhoerl

The reason that J757 comes up is that the power...

The reason that J757 comes up is that the power to the LDP must be pristine - if the power relay supplying power has some resistance, it could interfere with the LDP's internal valve from operating...
Forum: A6 / S6 (C5 Platform) Discussion
07-16-2015, 06:53 AM
Replies: 6
Views: 481
Posted By dhoerl

In the end, the dealer replaced the throttle, and...

In the end, the dealer replaced the throttle, and the problem never re-appeared.
Forum: A6 / S6 (C5 Platform) Discussion
07-16-2015, 06:43 AM
Replies: 11
Views: 7,717
Posted By dhoerl

I fixed it by using a glue kit from Pep Boys: ...

I fixed it by using a glue kit from Pep Boys:

- sand the back of the mirror with very fine emery paper to get all old glue off
- sand the little black sticker left on the windshield with same...
Forum: A6 / S6 (C5 Platform) Discussion
07-16-2015, 06:39 AM
Replies: 4
Views: 46,941
Posted By dhoerl

I should have updated this earlier - in the end...

I should have updated this earlier - in the end the leak was from the water pump. I forget how I got to that conclusion - I think I was told it by an Audi mechanic when they were flushing the break...
Forum: A6 / S6 (C5 Platform) Discussion
07-16-2015, 06:35 AM
Replies: 60
Views: 166,380
Posted By dhoerl

Get the Bentley's manual and it will tell you...

Get the Bentley's manual and it will tell you where it is. Or post a separate question in separate thread asking for the location, then if someone answers it make sure you update your post to reflect...
Forum: A6 / S6 (C5 Platform) Discussion
07-16-2015, 06:33 AM
Replies: 60
Views: 166,380
Posted By dhoerl

Thought I'd chime in again - I'm the author of...

Thought I'd chime in again - I'm the author of this thread, and I just want to confirm that after almost 7 years since performing this fix, its still working!

UPDATE: 8/18 - still works!!!
Forum: A6 / S6 (C5 Platform) Discussion
07-16-2015, 06:23 AM
Replies: 4
Views: 3,078
Posted By dhoerl

So I got the timing belt repair kit and tools...

So I got the timing belt repair kit and tools from BlauParts, and tore the engine apart again (I had replaced the belt two years ago, only 20K miles on it). I pulled the crank pulley off and found...
Forum: A6 / S6 (C6 Platform) Discussion
07-16-2015, 06:07 AM
Replies: 131
Views: 153,143
Posted By dhoerl

Well, I have good news and I have bad news. I am...

Well, I have good news and I have bad news. I am obsessed with this P2404 error code (because my wife complains daily about it!), and to that end I put her car on jacks (she is on a trip), and tore...
Forum: A6 / S6 (C6 Platform) Discussion
05-18-2015, 05:19 AM
Replies: 13
Views: 57,352
Posted By dhoerl

I posted my experience to a related thread:...

I posted my experience to a related thread: https://www.audiworld.com/forums/a6-s6-c6-platform-discussion-58/2006-a6-avant-center-brake-light-2810909/page2/#post24687333

Getting the red cover off...
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