6er exhaust manifold

ItaliStang · June 2nd, 2011, 04:31 PM

Just out of curiosity, is there a common problem with the 99-04 sixxers having an exhaust leak on the manifold? I remember seeing a few problems in these threads a while ago, JaSonic's comes to mind and unfortunately i can't find his contact info anymore lol.

Haven't gotten the time to take a good look for it, but was just wondering if it's common. Is this something that can just be patched up with a weld?

SON1C · June 2nd, 2011, 05:14 PM

yeah it is, passenger header, if i remember right ac coolant leaks onto it and causes it to crack due to temp change?

walt1120 · June 2nd, 2011, 06:04 PM

its very common. one day i was driving and my entire manifold cracked all the way around and became separated from the rest of my exhaust pipe right before the flange.

so get it fixed now because i just didnt have the time to care about it until it finally broke all the way around.

Womkeith · June 2nd, 2011, 07:02 PM

Originally Posted by walt1120

its very common. one day i was driving and my entire manifold cracked all the way around and became separated from the rest of my exhaust pipe right before the flange.

so get it fixed now because i just didnt have the time to care about it until it finally broke all the way around.

Same exact thing here

ItaliStang · June 2nd, 2011, 09:57 PM

Makes sense, I'm guessing these can't be patched up with a weld? I'd prefer not to have to replace the whole manifold when I want to get rid of the car anyway.

I did notice my AC went out the same day I started hearing this problem (which was a year ago when it started

)

walt1120 · June 3rd, 2011, 02:59 AM

Originally Posted by ItaliStang

Makes sense, I'm guessing these can't be patched up with a weld? I'd prefer not to have to replace the whole manifold when I want to get rid of the car anyway.

I did notice my AC went out the same day I started hearing this problem (which was a year ago when it started )

oh yeah they can be fixed with a weld. have you, a friend or a shop just patch it up if its only a small leak.

mine was just very bad because i didnt get it taken care of sooner

01 Slate Stang · June 3rd, 2011, 10:08 AM

i pulled mine off and welded them up no problem like 2 years ago... now im starting to get the same exhaust tick again .. sigh... time to pull off again and weld up somwhere else

dgt_mustang · June 3rd, 2011, 10:29 AM

i put longtubes on and neglected to to do something to stop that water from leaking onto it, what was a fix that people do for this?

1slowv6 · June 4th, 2011, 11:57 AM

Originally Posted by dgt_mustang

i put longtubes on and neglected to to do something to stop that water from leaking onto it, what was a fix that people do for this?

IIRC it leaks out of a tube... so just re-route the tube with some like vacuum hose so that it drips away from the manifold

Rich J · June 4th, 2011, 10:42 PM

I had the same problem, honestly I haven't used my A/C since.

SlowSix · June 5th, 2011, 12:10 AM

I have a set of stock exhaust manifolds for sale if anyone wants them <_<

Lumoon · June 5th, 2011, 12:24 PM

Originally Posted by 1slowv6

IIRC it leaks out of a tube... so just re-route the tube with some like vacuum hose so that it drips away from the manifold

You are sort of correct. At least on my car the AC compressor had a drip pipe that was like 1/2 inch long. I added some high temp vacuum line to it and ran it down to the ground away from the manifold. Haven't had a problem yet. Plus the water puddle after running the AC doesn't pool under the block now. I ran my pipe back to the passenger door.

ItaliStang · June 5th, 2011, 12:36 PM

I would assume it would be the condensation on the return line of the AC, so maybe just something to cover it would work enough.

So I'm guessing the spot to look is going to be right around where the header meets right up to the midpipe then? The EGR line is right below the AC lines, so I checked that over a bit, but didn't find anything.

Lumoon · June 5th, 2011, 03:38 PM

Originally Posted by ItaliStang

The EGR line is right below the AC lines, so I checked that over a bit, but didn't find anything.

Delete that shit $12.57 at ford comes with a nice gasket and a cap for the header. Also makes doing LTs a lot easier.

ItaliStang · June 5th, 2011, 07:48 PM

I'm planning on just patching up this exhaust leak and selling the car, so I'm not worried about getting an EGR delete lol

dgt_mustang · June 6th, 2011, 11:43 AM

Italistang, i Laughed my ass off at the zapdos remark in your sig.
i will be working on this issue this week, i do not want a cracked longtube header.

shipwreck_98 · June 8th, 2011, 09:36 AM

There is a technical service bulletin, TSB 04-21-6, for that exact issue. You can take the car to a dealership and they can mount a drip shield over the manifold, or you can do it yourself. Unfortunately, it isn't free.

GreenMustang00 · June 8th, 2011, 01:21 PM

I have a spare exhaust manifold for whoever needed one.. Never lewaked

June 2nd, 2011, 05:14 PM	#2
SON1C Run ur car, not ur mouth. 2003 Sonic Blue 4.6L Join Date: Jul 2010 Location: Northern Virginia Posts: 4,057 Blog Entries: 1 iTrader: 3 reviews	yeah it is, passenger header, if i remember right ac coolant leaks onto it and causes it to crack due to temp change? __________________ 238rwhp/263rwtq Drew's Build Thread

June 2nd, 2011, 06:04 PM	#3
walt1120 Hardcore Enthusiast 04 Stang 1.0Gallon V6 14.45 @95.8 Join Date: Mar 2010 Location: South Jersey Posts: 2,130 iTrader: 2 reviews	its very common. one day i was driving and my entire manifold cracked all the way around and became separated from the rest of my exhaust pipe right before the flange. so get it fixed now because i just didnt have the time to care about it until it finally broke all the way around. __________________ 2004 Bolt on & Cammed 3.9L V6

June 3rd, 2011, 10:08 AM	#7
01 Slate Stang Regular 2001 Mustang 0 - 60 5 minutes Join Date: Oct 2010 Location: Arkansas Posts: 83 iTrader: 0 reviews	i pulled mine off and welded them up no problem like 2 years ago... now im starting to get the same exhaust tick again .. sigh... time to pull off again and weld up somwhere else __________________ Famous people walk on red carpet because they are rich... I walk on toilet paper because I'm the shit

June 4th, 2011, 10:42 PM	#10
Rich J I'm doing it wrong 04 Grand Cherokee Join Date: Mar 2010 Location: South Eastern, Mass Posts: 5,211 iTrader: 0 reviews	I had the same problem, honestly I haven't used my A/C since. __________________ Formerly known as Demon_54 "I feel the same way about disco as I do about herpes." - Hunter S. Thompson

June 5th, 2011, 12:10 AM	#11
SlowSix Formerly 01silversixer 2001 V6 15.47@89.57 Join Date: May 2010 Location: Pittsburgh, PA Posts: 3,471 iTrader: 1 reviews	I have a set of stock exhaust manifolds for sale if anyone wants them <_< __________________ Build Thread

June 8th, 2011, 09:36 AM	#17
shipwreck_98 Newbie 2001 Mustang 3.8 Join Date: Nov 2009 Location: Virginia Beach Posts: 27 iTrader: 0 reviews	There is a technical service bulletin, TSB 04-21-6, for that exact issue. You can take the car to a dealership and they can mount a drip shield over the manifold, or you can do it yourself. Unfortunately, it isn't free. __________________

June 8th, 2011, 01:21 PM	#18
GreenMustang00 1 Wheel Peel 2000 Mustang 393w 2001 Mustang GT Vert Join Date: Mar 2010 Location: Wisconsin Posts: 3,583 iTrader: 4 reviews	I have a spare exhaust manifold for whoever needed one.. Never lewaked __________________ 2000 393w Swapped Vert 2001 GT Vert 2002 Six Banger

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