Questions & Answers for: Audi A4 head unit

...head unit puts out a line level signal to the rear speakers. There's an amplifier on the driver's side rear speaker (the box around the magnet that you can see from inside the trunk). You need to ...

...head unit You don't want to fit that - it's the factory amplifier for the rear speakers (the rears are amped, the fronts are not). You need to run new wires from the head unit back to the new rear ...

head gasket! My 1996 audi a4 has a massive oil leak in the area behind the oil pan and all i can think of is a loose hose or bad sending unit, but cannot find the source with a light and mirror... any

...trim panel off and can unbolt the CC head unit, just slide it out, unplug the connectors, plug in the new unit, and reassemble. Nothing more to it than that - no diagnostics, codes, or setup

...this is the Factory Head Unit? The only remedy for this on a Factory unit is to Find a New Unit. New or From a Salvage. You might even try EBay for a New Head Unit. Please Rate My Response!

...head) has two separate outputs. One drives the temperature gauge and the other provides data for the engine control unit. The output for the engine control unit is almost certainly faulty and the ...

unit with no way for oil to get it. Problem the system is allowing oil from acrack in the block- head or metal area to the cooling system. Maybe a gasket that is alowing the transfer in the head area.

...head has been worked on, check fault memory of engine control unit. If it picks up a fault [camshaft- crankshaft incorrect correlation] then the cam-chain timing will have been set

Unit blows cold but when on full temp it only blows warm Check the blend door cable for proper attachment to the control panel and to the blend door.  Try opening the door manually to see the you

...the back of the stereo head unit. You need to pull pull out the head unit, then look for the largest black cable running into the back of the unit- that's the antenna. Be sure it's securely