2005 Audi A4 Coolant Leak Under Intake Manifold
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11-07-201105:37 PM #1
Veteran Fellow member Four Rings
Coolant Leak under Intake Manifold
So, I have a coolant leak under the intake manifold. It doesn't appear to be the mutual j-plug problem, but a crack in the plastic pipage in betwen intake runners three & 4. See pictures beneath.
Anyone have a part number? Been searching...
You can see, very clearly, the fissure at the base of the plastic.
~Calvin
2004 Audi A4 1.8T // / 6-Speed // / quattro // / Moro Blue Pearl
|| motoza tuned gt2871r elim || b7 thermal r&d exhaust || ns sport westward/ b5 seats || v718 sunken treasure
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11-07-201105:46 PM #2
Veteran Fellow member Four Rings
Nope, thats your crankcase breather piping/hose.
CLICK
How to ready said hose: CLICK
Its a real bowwow....
One more thing I'll add, make SURE you club the correct i. At that place are 3 revisions of the PCV arrangement. Just check your VIN against the part. ECS has the clearest system of finding the part and so I linked to them. As well while you're replacing that you should replace the other stuff to, just to be sure. There's a lot of fragile crap continued to that that is well-nigh probable super brittle.
-CP
2008 Brilliant Blackness Unicorn (2.0t Due south-Line Ti 6MT Avant) - R8 V10 Coils and Spark Plugs - AMI retrofit - Mk2 RNS-E
2012 Q5 2.0t - Stock Mommy Missile with new timing chains
Quondam U South P Guild Member #136
2004 A4 one.8TQ 6MT USP - APR Stage 1+ - FSI Coils - BKR7EIX-11 - B6S4 Front + B7A4 Rear Brakes - 034 Street Trans Mount
SOLD -- 2006 A4 2.0TQ Avant Tiptronic
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11-07-201106:00 PM #3
Veteran Member Four Rings
So, as far every bit the coolant leak, could it be that the j-plug is spraying onto the breather hose? There was some coolant effectually the j-plug, just it didn't appear to be enough to exist the source, but equally you lot tin come across, the breather hose is covered in coolant.
~Calvin
2004 Audi A4 ane.8T // / 6-Speed // / quattro // / Moro Blueish Pearl
|| motoza tuned gt2871r elim || b7 thermal r&d exhaust || ns sport w/ b5 seats || v718 sunken treasure
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xi-07-201106:17 PM #4
Senior Member Three Rings
yous can also use this. Itll also prevent futurity vacuum leaks. I just installed this cause my breather hose was croaky aswell.
http://world wide web.034motorsport.com/engine-...e-p-22077.html
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11-07-201106:24 PM #5
Veteran Fellow member 4 Rings
Thank you for the info. The kit looks similar something I will probably install every bit preventative maintenance, but the real trouble here (at least, every bit far equally driveability) is the coolant leak.
~Calvin
2004 Audi A4 ane.8T // / 6-Speed // / quattro // / Moro Blue Pearl
|| motoza tuned gt2871r elim || b7 thermal r&d frazzle || ns sport w/ b5 seats || v718 sunken treasure
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11-07-201106:42 PM #six
Veteran Member Four Rings
Originally Posted by CrazyCal
Y'all're certain its coolant? It has that sweet smell? The coolant pipe straight in a higher place there has a bleeding/force per unit area relief screw right above there. Is there whatever corrosion on that? aside from that I suppose it could exist sprayed on there.
That looks like oil to me, which would exist completely reasonable given the size of that crack. If it is indeed coolant though, I accept to plead ignorance. Maybe someone else can chime in.
Also, +1 on the 034 kit. I would get that over OEM parts. I forgot nearly their kit...
-CP
2008 Brilliant Black Unicorn (ii.0t South-Line Ti 6MT Avant) - R8 V10 Coils and Spark Plugs - AMI retrofit - Mk2 RNS-Due east
2012 Q5 2.0t - Stock Mommy Missile with new timing chains
Former U Due south P CLUB Fellow member #136
2004 A4 1.8TQ 6MT USP - April Stage i+ - FSI Coils - BKR7EIX-xi - B6S4 Front end + B7A4 Rear Brakes - 034 Street Trans Mount
SOLD -- 2006 A4 2.0TQ Avant Tiptronic
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11-07-201107:07 PM #7
Senior Member 3 Rings
have you had to pinnacle off your coolant?? or did you notice if your depression on it recently? if coolant is normal and yu havent touched it, then it shouldn't exist a coolant leak.
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11-07-201108:39 PM #8
Veteran Fellow member 4 Rings
Originally Posted by Charles.waite
No. Information technology's not the relief screw. Information technology's very possible that information technology'southward the j-plug, but likewise tight of a space to ostend, I am just going to get the j-plug and replace it. If, when I become in there, that'due south it, nifty, if not I'll order the part I know for sure I need.
Originally Posted by A4.1.8turboo
Yeah, information technology's most definitely coolant. I accept had to top it off. Still leaking. Information technology's ho-hum. Not gushing.
Last edited past CrazyCal; 11-07-2011 at 09:02 PM.
~Calvin
2004 Audi A4 1.8T // / half dozen-Speed // / quattro // / Moro Blue Pearl
|| motoza tuned gt2871r elim || b7 thermal r&d exhaust || ns sport w/ b5 seats || v718 sunken treasure
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11-07-201108:51 PM #nine
Veteran Member Four Rings
I want to become that breather kit, but I'm kind of dislocated by the VIN fitment stuff. There are 3 options:
upward to VIN 8E-iii-040000
VIN range 8E-3-040000 > 8E-3-500000
VIN 8E-three-500000 and up
The confusing role is the "3" in their listings. I have no 3 in my VIN. The last 6 of my vin is 2xxxxx, but there is no "3" anywhere earlier information technology like in the examples above.
What gives? Someone delight explicate.
~Calvin
2004 Audi A4 i.8T // / 6-Speed // / quattro // / Moro Blue Pearl
|| motoza tuned gt2871r elim || b7 thermal r&d exhaust || ns sport w/ b5 seats || v718 sunken treasure
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11-07-201109:ten PM #10
Veteran Member Four Rings
Assistance! I wanna club these parts. lol :)
~Calvin
2004 Audi A4 1.8T // / 6-Speed // / quattro // / Moro Blue Pearl
|| motoza tuned gt2871r elim || b7 thermal r&d exhaust || ns sport west/ b5 seats || v718 sunken treasure
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xi-07-201109:38 PM #xi
Senior Member Iii Rings
yes the same with me. mines a 2002 AMB engine code. so it doesn't take the 3 as well.
this the exact the one I ordered. doesn't specify 2002. only its amb engine code. and fits perfect.
http://www.034motorsport.com/engine-...t-p-19986.html
you gotta 04 so I dont know.. This ane labels your yr.
http://www.034motorsport.com/engine-...e-p-22078.html
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11-07-2011eleven:30 PM #12
Veteran Fellow member Iv Rings
Originally Posted by A4.1.8turboo
Yeah, 034 should really clarify that shit.
Cheers turboo for all your assistance, though. I love AZ.
~Calvin
2004 Audi A4 1.8T // / six-Speed // / quattro // / Moro Blueish Pearl
|| motoza tuned gt2871r elim || b7 thermal r&d exhaust || ns sport w/ b5 seats || v718 sunken treasure
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11-07-201111:41 PM #xiii
Veteran Member Four Rings
Originally Posted past Charles.waite
x2. Coolant turns white when it dries. Yous can see spots in your pictures where in that location is dried coolant, only the breather hose itself looks similar it has oil on it.
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11-08-201101:24 AM #14
Veteran Fellow member Four Rings
Originally Posted by JMRQuattro
We will see when i tear into it. It's pretty dark-green and oil ain't green. Perchance a mixture of the two since the breather hose has that scissure. The leak on the ground is DEFINITELY coolant. Looks like coolant, smells like coolant, and water consistency like coolant. Don't retrieve the previous owner used the coolant they're supposed to. Nosotros will meet...
Last edited by CrazyCal; 11-08-2011 at 02:33 AM.
~Calvin
2004 Audi A4 i.8T // / half dozen-Speed // / quattro // / Moro Blue Pearl
|| motoza tuned gt2871r elim || b7 thermal r&d exhaust || ns sport due west/ b5 seats || v718 sunken treasure
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eleven-08-201109:15 AM #15
Veteran Fellow member Four Rings
i have to say that it looks more similar oil than coolant...
Desire my guns??? ΜΟΛΩΝ ΛΑΒΕ!!!
B6 Mods:
Fully Congenital Motor w/ GT2860RS and all supporting mods : My Build ThreadRS4 Mods (sprint):
RNS-east MKII : ECS SS : JHM Spacers : Deflapped IM : UM Tune : KW V3s : Tubi Rumore : Hotchkiss F&R SBs : 034 Unequal Inserts : Phil Special Headlights due west/ STI Lenses : 10 Layers : Spare 07BNS (#masterrace) : Apikol Diff & Trans Mountain
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eleven-08-201109:37 AM #xvi
Veteran Member 4 Rings
Originally Posted by CrazyCal
Our coolant is pinkish, so yea it looks like the PO put in the wrong coolant. I know Porsche uses green coolant, but Audis (at to the lowest degree ours) use pink. I would go set up for a coolant flush!
And I have to concur, it still looks similar oil to me. when coolant leaks and dries on the block it gets this whitish reddish chunky consistency, kinda similar someone blew chunks on your engine, not gluey night oily like in that picture. Besides given how the PCV system works, the oil blowby vapors go through that elbow tube and condense in the oil pan and then a crevice of that size would definitely allow plenty oil vapors by to condense on that elbow (and likely all around the elbow too! yay!).
Anyway, non trying to be argumentative of course. I dealt with that exact hose being cracked a few months ago and then I know some of how the PCV organisation works now.
-CP
2008 Brilliant Black Unicorn (2.0t S-Line Ti 6MT Avant) - R8 V10 Coils and Spark Plugs - AMI retrofit - Mk2 RNS-East
2012 Q5 2.0t - Stock Mommy Missile with new timing chains
One-time U Due south P CLUB Fellow member #136
2004 A4 1.8TQ 6MT USP - April Phase 1+ - FSI Coils - BKR7EIX-eleven - B6S4 Forepart + B7A4 Rear Brakes - 034 Street Trans Mount
SOLD -- 2006 A4 2.0TQ Avant Tiptronic
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11-08-201109:56 AM #17
Veteran Member 4 Rings
Originally Posted by Charles.waite
true, when my rear coolant flange was leaking it was forming stalactites made of coolant residue...same shit started happening a few weeks ago with my thermostat...in both cases, the parts broke into peices when i removed them and i had to scrape the coolant hoses complimentary of the function of the thermo that bankrupt off inside of information technology...
Want my guns??? ΜΟΛΩΝ ΛΑΒΕ!!!
B6 Mods:
Fully Built Motor w/ GT2860RS and all supporting mods : My Build ThreadRS4 Mods (sprint):
RNS-e MKII : ECS SS : JHM Spacers : Deflapped IM : UM Tune : KW V3s : Tubi Rumore : Hotchkiss F&R SBs : 034 Diff Inserts : Phil Special Headlights w/ STI Lenses : 10 Layers : Spare 07BNS (#masterrace) : Apikol Diff & Trans Mount
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11-08-201101:15 PM #18
Veteran Member Four Rings
Originally Posted by Charles.waite
No, not argumentative, just discussionary (is that even a word? lol). Like I said, nosotros will see when I actually pull off the IM. Actually kind of looking frontwards to it. Volition be my outset time digging into the 1.8T. lol Merely, to me, it looks like the oil is mixing with the j-plug coolant leak, keeping information technology from drying up and leaving that white residue.
Haven't heard back from 034 Motorsport well-nigh which kit I'g supposed to order (encounter post #9), but I can't wait. This needs to exist washed. It is my daily driver. I finally just decided to go with the Late-AMB version because it specifically lists 2004-2005 in the clarification. I'm simply going to guess that the carve up is in the 2003 model twelvemonth. Wish the website was more clear on that.
~Calvin
2004 Audi A4 1.8T // / half-dozen-Speed // / quattro // / Moro Blueish Pearl
|| motoza tuned gt2871r elim || b7 thermal r&d exhaust || ns sport due west/ b5 seats || v718 sunken treasure
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11-08-201101:27 PM #xix
Veteran Member Four Rings
If you lot have this:
Under your IM and connected to that croaky sabbatical hose/elbow they you're late AMB. You're a 2004 and then you SHOULD exist a late AMB every bit I found out my automobile was. I was dislocated equally hell with this stuff too. I just kept reading threads and finally it started to make sense. The VIN starts Chassis Code (8E =B6/B7 A4) - Model Year (2004 will merely exist 4, 2003 is three, etc) - serial number (6 digit series). So a 2004 B6 A4 will always start 8E44xxxxxx or something like that. You can attempt out this VIN decoder and I should explain what everythign in your VIN stands for.
So the right 034 part should be THIS. I'll probably exist picking one up for my '04 soon as well.
I broke a few PCV parts a while back while replacing my Valve encompass gasket. The VC gasket should have been an easy repair, only I ended up having to dig into the PCV system as well. It was literally the first repair I ever made on whatsoever machine. It was fun, frustrating, rewarding, etc. Trial by fire definitely though! Expert luck!
-CP
2008 Bright Blackness Unicorn (ii.0t S-Line Ti 6MT Avant) - R8 V10 Coils and Spark Plugs - AMI retrofit - Mk2 RNS-Eastward
2012 Q5 2.0t - Stock Mommy Missile with new timing chains
Former U South P Society MEMBER #136
2004 A4 1.8TQ 6MT USP - Apr Stage 1+ - FSI Coils - BKR7EIX-11 - B6S4 Forepart + B7A4 Rear Brakes - 034 Street Trans Mount
SOLD -- 2006 A4 2.0TQ Avant Tiptronic
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eleven-08-201101:58 PM #20
Veteran Fellow member 4 Rings
Originally Posted past Charles.waite
Yep. That's what it looks similar nether the manifold. Good. So, I ordered the right part. At present, if installing was as easy as ordering...
~Calvin
2004 Audi A4 ane.8T // / half-dozen-Speed // / quattro // / Moro Blueish Pearl
|| motoza tuned gt2871r elim || b7 thermal r&d frazzle || ns sport w/ b5 seats || v718 sunken treasure
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11-08-201102:eleven PM #21
Veteran Member Iv Rings
Originally Posted by CrazyCal
Hah, preaching to the choir...
-CP
2008 Brilliant Blackness Unicorn (two.0t South-Line Ti 6MT Avant) - R8 V10 Coils and Spark Plugs - AMI retrofit - Mk2 RNS-Due east
2012 Q5 2.0t - Stock Mommy Missile with new timing chains
Sometime U South P CLUB MEMBER #136
2004 A4 1.8TQ 6MT USP - APR Phase 1+ - FSI Coils - BKR7EIX-11 - B6S4 Forepart + B7A4 Rear Brakes - 034 Street Trans Mount
SOLD -- 2006 A4 2.0TQ Avant Tiptronic
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eleven-08-201102:57 PM #22
Veteran Fellow member Four Rings
Originally Posted by CrazyCal
Exactly. 8-three-500000 and up would include:
- any 2003 cars after that split
- and 2004 cars (8E-four-******)
- and 2005 cars (8E-5-******)
- obviously the higher up would all need to be 1.8T's, but y'all get the ideaSo your 2004 VIN would get-go with "8E-4", so that would put it mathematically "after" the 8-three-5000000 vin split. Indeed, your car certainly came after the 2003's on the product line likewise! The split up is basically saying "mid-2003 and up B6 one.8T'southward", but the specific numbers are there to decide what "mid" actually means in that context. In this instance, serial number 500000 of the 2003 model twelvemonth.
It looks hard, but the VIN dissever stuff is pretty simple one time you get the hang of it. Good luck with the 034 kit. That kit came out simply after I replaced my PCV stuff, otherwise I would have bought it in heartbeat.
^Don't mind to this guy, he's not even a mechanic.
2001 Light amplification by stimulated emission of radiation Carmine A4 1.8TQM, 5-Speed Swapped, iv.xi Final Drive, April 93, 2.5" Exhaust, ST Coilovers, 034 RSB, A8 Brakes Front & Rear
2006 Passion Red Volvo V50 T5 AWD 6MT
2000 Satin Argent Passat one.8T FWD Railroad vehicle, Slippy Tiptronic, 15" Hubcaps
1999.5 Aluminum Silvery Metallic A4 Avant 1.8TQTS (winter sled)
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11-08-201109:53 PM #23
Veteran Member Four Rings
Give thanks you lot for the explaination. Helps reaffirm what originally made sense to me. The way they had it on the 034 website was listing 04-05 with higher than 8E-3-500000. Which makes no sense considering 04s and 05s would be 8E-4 and 8E-5 respectively. Crazy. Hurt my head. lol
~Calvin
2004 Audi A4 1.8T // / 6-Speed // / quattro // / Moro Blue Pearl
|| motoza tuned gt2871r elim || b7 thermal r&d exhaust || ns sport w/ b5 seats || v718 sunken treasure
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2005 Audi A4 Coolant Leak Under Intake Manifold
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