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A6 / S6 (C5 Platform) Discussion Discussion forum for the C5 Audi A6 and S6 produced from 1998-2004

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Old 01-26-2009, 05:43 PM   #1
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Default requesting diagram of engine cooling system(radiator hoses).

hi everyone, i am a newly registered member and i have a question about my wife's audi a6. her engine coolant is leaking from the rear center of the engine and her fuel/emission hose is disconnected. i jacked up the car to see where it belonged, but there is to many parts obstructing my view. can anyone provide a diagram of the engine cooling system? it would be very appreciated!
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Old 01-26-2009, 05:52 PM   #2
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Default Howdy.

What engine do you have? 2.7 with a leak like that is usually the aux coolant pump.
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Old 01-26-2009, 06:13 PM   #3
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Default Re: Howdy.

i'm not 100% on the liters of the engine, but i do know that the pannel on the motor reads "v5". so, where in the engine bay can i find that aux coolant pump? is it by chance located next to the firewall? does the fuel/emissions hose connect to the pump? thank you for your help. great forum so far!
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Old 01-26-2009, 06:19 PM   #4
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Default Look like this?

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Old 01-26-2009, 06:21 PM   #5
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Default If so....

Here's a DYI description, about $900 at a dealer...replace the hoses while you're there...
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Ming Blue Pearl | Melange Ambiente Interior | Premium, Cold Weather, Sport and Preferred Luxury Packages Performance: GIAC X Chip | Hotchkis H-Sport Sway Bars | Audi Sport Suspension | 4.2 Polished Sport Wheels 17x8 ET35 | 235/45WR-17 Yokahama sDrive Tires| Show: S6 Polished Aluminum Mirrors | 4.2 Door Blades | RS6 Spoiler | Magnaflow Tips| Hella Smoked Tails Comfort: Euro Blind Spot Mirror | PhatNoise | Auxiliary Cigarette Lighter | Coin Holder

2000 A4 1.8t 5 Speed Manual (track beast):
Light Silver Clearcoat | Opal Gray Ambiente Interior | quattro | Sport Steering Wheel Performance: GIAC Chip | PureMotorsports Front Stress Bar | Hotchkis H-Sport Sway Bars | Pimpin' A8 Polished 17x8 Wheels | 225/45-17 BFGoodrich g-Force Sport Tires | Comfort: PhatNoise | OEM Heated Seats
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Old 01-26-2009, 06:23 PM   #6
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Default that would be my guess based on the description.

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Old 01-26-2009, 06:38 PM   #7
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Default Re: Look like this?

her car doesn't have that engine, but maybe the hose connections are the same.
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Old 01-26-2009, 06:40 PM   #8
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Default Re: that would be my guess based on the description.

thanks for the input on my problem!
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Old 01-26-2009, 06:42 PM   #9
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Default Re: If so....

wow, thanks for the info.
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Old 01-26-2009, 07:07 PM   #10
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Default So she has the 2.8....no turbos?

I don't think the 2.8 has the aux coolant pump...can anybody confirm?
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Ming Blue Pearl | Melange Ambiente Interior | Premium, Cold Weather, Sport and Preferred Luxury Packages Performance: GIAC X Chip | Hotchkis H-Sport Sway Bars | Audi Sport Suspension | 4.2 Polished Sport Wheels 17x8 ET35 | 235/45WR-17 Yokahama sDrive Tires| Show: S6 Polished Aluminum Mirrors | 4.2 Door Blades | RS6 Spoiler | Magnaflow Tips| Hella Smoked Tails Comfort: Euro Blind Spot Mirror | PhatNoise | Auxiliary Cigarette Lighter | Coin Holder

2000 A4 1.8t 5 Speed Manual (track beast):
Light Silver Clearcoat | Opal Gray Ambiente Interior | quattro | Sport Steering Wheel Performance: GIAC Chip | PureMotorsports Front Stress Bar | Hotchkis H-Sport Sway Bars | Pimpin' A8 Polished 17x8 Wheels | 225/45-17 BFGoodrich g-Force Sport Tires | Comfort: PhatNoise | OEM Heated Seats
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Old 01-26-2009, 07:07 PM
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