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08-20-2011, 02:46 AM
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#1
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Registered User
Join Date: Sep 2006
Location: Cadiz,KY
Posts: 792
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I noticed my exhaust is loose where the pipe connects to the exhaust manifold. Figure I might as well replace the 2 donut gaskets while i'm messing with it. Are there any special tools needed to do this or tips to make for a easy job? thanks.
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01 TJ Sahara
6cyl. 5spd, D30 Aussie/D44 LSD,4.56 gears, RC2.5" lift, RC1.25" body lift, 33's
77 DJ5
Soon to be streetrod
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08-20-2011, 05:41 AM
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#2
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Senior Member
Join Date: Sep 2006
Location: SW Florida
Posts: 649
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Lots of PB blaster on the bolts.
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Jeep took another piece of my finger today...
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08-20-2011, 09:24 AM
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#3
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AFSOC Retired
Join Date: Aug 2005
Location: Colorado
Posts: 11,744
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I don't think your 2001 has those gaskets?...
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08-20-2011, 10:15 AM
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#4
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Registered User
Join Date: Feb 2011
Location: Dayton, Ohio
Posts: 2,002
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Once these come loose they will be loosening every 1000 to 5K miles.
Get a set of stage 8 locking bolts or some other bolt/nut combination that will not loosen until you need it.
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"Never look down on anyone unless your helping them up"- Jesse Jackson
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08-21-2011, 02:23 PM
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#5
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Registered User
Join Date: Sep 2006
Location: Cadiz,KY
Posts: 792
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Quote:
Originally Posted by Knuckelhead
I don't think your 2001 has those gaskets?...
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The napa store shows it having them,it would need something in there to create a seal I'd think.
__________________
01 TJ Sahara
6cyl. 5spd, D30 Aussie/D44 LSD,4.56 gears, RC2.5" lift, RC1.25" body lift, 33's
77 DJ5
Soon to be streetrod
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08-21-2011, 02:28 PM
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#6
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Registered User
Join Date: Sep 2006
Location: Cadiz,KY
Posts: 792
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Quote:
Originally Posted by JPNinPA
Once these come loose they will be loosening every 1000 to 5K miles.
Get a set of stage 8 locking bolts or some other bolt/nut combination that will not loosen until you need it.
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Thanks for the tip,I'll look into them.
__________________
01 TJ Sahara
6cyl. 5spd, D30 Aussie/D44 LSD,4.56 gears, RC2.5" lift, RC1.25" body lift, 33's
77 DJ5
Soon to be streetrod
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08-21-2011, 04:12 PM
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#7
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AFSOC Retired
Join Date: Aug 2005
Location: Colorado
Posts: 11,744
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Quote:
Originally Posted by BobA
The napa store shows it having them,it would need something in there to create a seal I'd think.
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You have a tapered exhaust flange fitting, no gasket.
From the FSM:
4. Exhaust pipe leaking at manifold
flange.
4. Tighten/replace flange attaching nuts/bolts.
No gasket...
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08-22-2011, 08:29 PM
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#8
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Registered User
Join Date: Sep 2006
Location: Cadiz,KY
Posts: 792
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Quote:
Originally Posted by Knuckelhead
You have a tapered exhaust flange fitting, no gasket.
From the FSM:
4. Exhaust pipe leaking at manifold
flange.
4. Tighten/replace flange attaching nuts/bolts.
No gasket...
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Hmmm.......Seems odd. Thanks guess I'll just crank them tight and see what happen's.
__________________
01 TJ Sahara
6cyl. 5spd, D30 Aussie/D44 LSD,4.56 gears, RC2.5" lift, RC1.25" body lift, 33's
77 DJ5
Soon to be streetrod
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08-22-2011, 08:32 PM
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#9
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AFSOC Retired
Join Date: Aug 2005
Location: Colorado
Posts: 11,744
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Quote:
Originally Posted by BobA
Hmmm.......Seems odd. Thanks guess I'll just crank them tight and see what happen's.
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At least you don't have the more crackable pre 2000 setup... 
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08-23-2011, 07:29 AM
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#10
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Web Wheeler
Join Date: May 2010
Location: PA
Posts: 2,086
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They showed the same for my 98 4 cylinder and insisted I buy one when getting a new exhaust manifold/gasket. I had them take the manifold out of the box and look at the collector with the tapered flange, at which point the guy tried to fit the donut on saying it was tapered to make it easier to slip on the gasket. I just watched and smiled until he was ready to admit I was right. You can't trust what you hear from the guys working the counter at the parts store.
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08-23-2011, 08:08 AM
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#11
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Registered User
Join Date: Jul 2010
Location: Apple Valley,Ca
Posts: 2,209
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Useless fact: The tapered connection is called a "buick Ball". Buick first used that way of sealing an exhaust back in the 40's.
When we bought our Muffler pipe bender my boss sent me to a class for a whole week on working the bender. I think the Buick Ball is all I remember from the class. 
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08-23-2011, 08:09 AM
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#12
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Web Wheeler
Join Date: May 2010
Location: PA
Posts: 2,086
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Lol, nice; I'll be sure to remember that, gotta love the useless trivia you pick up from the strangest places.
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replacing exhaust donuts
