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2001, audi, audiworld, brown, car, clean, coolant, coolent, cooling, engine, flushing, gunk, reservoir, resovoir, s4

What is this gunk in my coolant reservoir????

c4S6 on Mar 27, 2009

Oct 27, 2025 08:06 AM
by EJR

8

67,132

Audi Original "S" Cars

20t, 4000, 4000cs, 42, 87, a4, a6, audi, audiworld, coolant, fill, flush, gunk, holds, procedures, radiator

coolant flush - 4KS

audi-driver1126 on May 2, 2012

Sep 20, 2020 09:30 AM
by Rogviler

9

4,946

Audi 4000 / Coupe GT Discussion

1997, a4, a8, audi, black, coolant, coolnt, gunk, inside, losing, oily, overflow, residue, rs4, tank, top, walls, water

losing coolant - goo in tank

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1 2)

nyrobbie77 on May 2, 2012

May 27, 2012 05:28 PM
by nyrobbie77

12

13,710

A8 / S8 (D2 Platform) Discussion

99, audi, breather, cel, flashing, gunk, holes, hose, idle, landcruiser, miata, oil, plug, replace, rough, tt

rough idle CEL flashing Oil in plug holes

secondaudi on Dec 10, 2011

Dec 12, 2011 10:23 AM
by AudiMick

9

2,728

A4 (B5 Platform) Discussion

18t, a4, a6, audi, checking, cold, engine, gooey, gunk, leak, makes, motor, oil, stuff, weather, white

White stuff in oil

parkinman on Mar 1, 2011

Mar 1, 2011 11:30 AM
by uberwgn

3

1,433

Audi allroad

Gunk in the breather hose

hubturn on Jan 5, 2011

Jan 11, 2011 06:05 AM
by GuyllFyre

5

954

Audi 90 / 80 / Coupe quattro / Cabriolet

2005, a4, audi, bad, filter, fluid, gunk, motorin, power, s4, steering

bad power steering pump? need opinions please

kehoe603 on Jul 21, 2010

Jul 27, 2010 01:52 PM
by jimrobertson

8

1,195

A4 (B5 Platform) Discussion

27, 27t, a6, audi, bay, build, cleaning, engine, gunk, howl

Cleaned engine bay, now power steering howls.

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1 2)

Redneck Truck on Jul 7, 2010

Jul 9, 2010 03:30 PM
by Redneck Truck

12

1,618

A6 / S6 (C5 Platform) Discussion

27t, audi, auto, autorx, biturbo, clean, engine, foam, gunk, oil, professionals, sea

How can I clean out the motor?

Audi42LV8 on Apr 8, 2009

Apr 10, 2009 05:54 AM
by TrdLtly

4

2,506

A6 / S6 (C5 Platform) Discussion

01, 28, 96, a4, audi, b5, breather, clean, cleaner, clog, gunk, hose, ti, unclog

Breather hose gunk!

MtnA4Quattro on Jan 13, 2009

Jan 13, 2009 09:47 PM
by Slye A4

6

1,837

A4 (B5 Platform) Discussion

audi, build, buildup, clean, clr, coolant, gunk

I had mixed coolant. Gunk build-up. Can I used CLR in the system to clean it out?

toast_S4 on Nov 17, 2008

Nov 18, 2008 08:41 AM
by toast_S4

6

3,837

Audi Original "S" Cars

20t, a4, a8, allroad, audi, bilstein, car, engine, engines, flush, gunk, motor, oil, turbo, turbochargers

Gunk Motor Flush BT: Why does it say not recommended for turbo engines

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1 2)

BSK on Jul 9, 2008

Jul 9, 2008 06:43 PM
by B5Davem

19

8,222

A4 (B5 Platform) Discussion

So still have white creamy gunk in my oil cap after service..what next?

ryandlor on Apr 9, 2008

Apr 9, 2008 12:00 PM
by Reifle

3

512

Canadian Discussion

18t, 20t, 5000, audi, bad, breather, checking, clog, gt, gunk, pancake, pcv, sears, telling, tt, valve

How do I tell if my pancake PCV valve is bad??

SaltyF on Oct 20, 2007

Oct 22, 2007 01:45 PM
by SaltyF

9

26,800

TT (Mk1) Discussion

allroad, audi, breather, brown, cleaning, coolant, crank, crankcase, gunk, hose, pcv, tube

Crankcase breather hose gunk!!

Mr. Magoo on May 8, 2007

May 8, 2007 07:11 PM
by Mr. Magoo

2

528

Audi 90 / 80 / Coupe quattro / Cabriolet

Just bought a 2000 A4

nomoore on Feb 1, 2007

Feb 1, 2007 05:36 AM
by Casablanca Avant

2

479

A4 (B5 Platform) Discussion

2001, 2003, 28, a4, a6, antifreeze, audi, brown, coolant, creamish, gunk, passat, pink, reservoir, resevoir

Brown Gunk In Coolant Reservoir?

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1 2)

powderquattro on Jan 23, 2007

Jan 24, 2007 04:37 AM
by A400

12

9,398

A4 (B5 Platform) Discussion

belt, degrease, degreaser, drive, engine, gunk, pulley, timing

GUNK degreaser on timing belt...

ybaudist on Oct 31, 2006

Nov 1, 2006 05:55 AM
by quattro nole (Jeff)

2

910

A4 (B5 Platform) Discussion

PCV getting a white pastey fluid throught the intake pipes and burning lean both banks

A4QuattroDriver on Jan 3, 2006

Jan 4, 2006 01:29 PM
by canonicalman

3

374

A4 (B5 Platform) Discussion

Oil gunk on valve cover bolts, should I be concerned ?

pkirby on Jan 1, 2006

Jan 1, 2006 06:45 PM
by Always Overcharged

4

391

A8 / S8 (D2 Platform) Discussion

advance, auto, brake, brakes, gunk, parts, squeal, squealing, stop

WOO, Gunk Stop Squeal, stopped my squealing brakes!

SilverSport on Nov 15, 2005

Nov 16, 2005 10:06 AM
by Roda6

4

383

A6 / S6 (C5 Platform) Discussion

audi, bumper, coolant, dark, flush, gunk, rough, start, v8q

Gunk in the coolant resevoir and hard starting V8Q. Help!!

cbpldc on Jul 26, 2005

Jul 27, 2005 11:16 AM
by itsav8

2

375

Audi 5000 / 200 / V8 Discussion

black, gunk, pipes, stuff, tail, tailpipe

How do you get the black gunk off your tail pipes?

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1 2)

A4BoomerSooner on May 5, 2005

May 6, 2005 05:38 AM
by bostoned

12

747

A4 (B6 Platform) Discussion

black, brakes, dragging, front, gunk, intermittent

Dragging Front Brakes - Intermittent - '85 CGT

GeorgePBurdell on Apr 28, 2005

Apr 30, 2005 02:08 AM
by GeorgePBurdell

6

639

Audi 4000 / Coupe GT Discussion

2001, 2004, add, additive, additives, audi, c4, dakota, gunk, nj, rs, s8, transmission, transmition, whining

Transmission additives?

eltako on Apr 6, 2005

Apr 8, 2005 08:26 AM
by audisrock

6

6,099

Audi 100 / A6 (C4 Platform)

1999, 20t, a4, audi, bay, cabrio, engine, gunk, powerwashing, pressure, start, volkswagen, vw, wash, washing

Theres alot of Gunk all over my engine bay, is it safe to pressure wash the engine bay?, what should

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1 2)

pmark837 on Mar 21, 2005

Mar 22, 2005 03:18 PM
by RageRacer

10

1,204

A4 (B5 Platform) Discussion

belt, conditioner, condiyioner, gunk, problems, review, reviews

fixed the belt squeal. I used GUNK belt conditioner. The sound is gone

Mitaka on Dec 20, 2004

Dec 20, 2004 04:55 PM
by GDJT Allroad^2

1

1,009

A8 / S8 (D2 Platform) Discussion

automobile, bottom, gunk, rubber, rubs, trucks, undercoating

So I've rubbed off the rubber tacky gunk on the bottom side of the underbody...

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1 2)

VerrÜckt on Oct 19, 2004

Oct 20, 2004 06:26 AM
by S4_Cinci (I S'edTFA)

11

897

S4 / RS4 (B5 Platform) Discussion

my CV boot tore again... and left all this black gunk all over the inside of my wheel...

allegro on Jul 6, 2004

Jul 7, 2004 11:20 AM
by A6Gary

1

368

Auto Detailing Discussion

How to clean tinted windows?

talicious82973 on Apr 30, 2004

Apr 30, 2004 10:24 AM
by FrankS

7

352

S4 / RS4 (B5 Platform) Discussion