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When I first start to play music the front door speakers sound rough. After a few minutes it sounds okay. If I park and want to play the music at low volume, it again sounds rough, lots of bass distortion. As soon as I pump it up and drive it sounds okay again. Any ideas? This is an 03 A6 C5. 

On 9/1/2019 at 6:58 PM, madad777 said:

Hi all, i have just bought this car, there is a few issues and wondered if someone could narrow down the problems for me! have never owned an Audi.

Firstly, temperature gauge not moving at all. there is a bit of heat coming out but not full i would say... thermostat? sensor?!

there is quite a bad clunk when letting out clutch too fast...no slipping, ok if i do it gently!

And knocks from front suspension, more so drivers side, but doesn't seem to be any play in wheel, any suggestions?

lastly central locking.. remote doesn't work, changed batteries, it also only locks all doors when using key manually, but will only open driver's door, all the others need to be opened with handles. not the end of the world but a bit of a pain! i can live without the remote but would be handy if they all unlocked by key together!

If anyone could give me any pointers, be truly appreciated, cheers Adam

Don’t know about anything else, but you can reprogram the key fairly easily. I just found a couple of guides on YouTube. 

I got one of these and it works well. I do not use the USB, however. I do use the hands free phone and I stream music from my phone. I do have a problem with space behind the Symphony 2 full Bose system, head unit, though, can’t get it fully back in. I need to find a way to rout the cable out of that space and tuck it up behind the glove box, or something.

 Bluetooth Handsfree A2DP CD Changer adapter for Audi A2 A3 A4 S4 TT 1998-06

Just got an 03 A6 Avant. (I regard it at as a future classic). Probably going to have a lot of questions as I sort through all it’s little niggles. She is on 147k and has been owned and maintained by a mechanic for the last 17 years.