2001 AUDI A6

  • Tiny
  • themetalguy852
  • 2001 Audi A6

Engine Cooling problem
2001 Audi A6 6 cyl All Wheel Drive Automatic

I have an 2001 Audi A6 2.7 twin turbo and I need to drain the coolant / antifreeze. However I can't find the drain plug. I read on another site that it's "on the backside of the subframe crossmember, recessed about one inch into the casting of the engine block.&Quot; I looked for HOURS under the car and can't find ANYTHING that looks like it'd be it. I also read it should be an 8mm allen wrench key. WHERE IS IT! Please post a picture if possible. THANKS!

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Tuesday, February 10th, 2009 AT 1:11 PM

1 Reply

  • Tiny
  • Dave H
  • Expert
  • 13,547 posts

Open sealing cap on coolant expansion tank.
Remove sound insulation panel. See Fig. 2 .
Place drain pan under engine.
Remove lower coolant hose retaining clip and remove coolant hose from radiator.
Open engine coolant drain screw on engine using hex ball socket (3247). See Fig. 4 .


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Monday, February 16th, 2009 AT 9:21 AM

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