Exhaust Manifold...time to replace
Thread Starter
Seasoned Member
Joined: Aug 2010
Posts: 330
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From: Grand Junction, CO
Year: 1999
Model: Cherokee
Engine: 4.0L I-6
Hey all,
1999 Jeep Cherokee 4.0L
The exhaust manifold has a crack at the collector...shocking I know! So, I was looking at eBay options and wanted some opinions...recommendations. "Don't get this because, get this because." I'm not looking for a Banks Header or similar price/performance. Just something to replace my broken setup.
Thanks!
1999 Jeep Cherokee 4.0L
The exhaust manifold has a crack at the collector...shocking I know! So, I was looking at eBay options and wanted some opinions...recommendations. "Don't get this because, get this because." I'm not looking for a Banks Header or similar price/performance. Just something to replace my broken setup.
Thanks!
CF Veteran
Joined: Sep 2009
Posts: 3,612
Likes: 0
From: West Valley
Year: 1998
Model: Cherokee (XJ)
Engine: 4.0
http://www.ineedparts.com/auto-parts...-manifold.html
I've been running this one for about two years, completely satisfied with it
I've been running this one for about two years, completely satisfied with it
Senior Member
Joined: Jul 2011
Posts: 516
Likes: 0
From: New Cumberland, PA
Year: 1995
Model: Cherokee
Engine: 4.0 I6
Thread Starter
Seasoned Member
Joined: Aug 2010
Posts: 330
Likes: 0
From: Grand Junction, CO
Year: 1999
Model: Cherokee
Engine: 4.0L I-6
Thanks guys!
Definitely a crack at the collector. I bought some "Muffler repair" gobbly goop on a recommendation that I try that as it would 1) Give better visibility if there is a crack and 2) Might help slightly with MPG until I get a new Manifold, for $3 what could it hurt! #1 came true anyways!
Definitely a crack at the collector. I bought some "Muffler repair" gobbly goop on a recommendation that I try that as it would 1) Give better visibility if there is a crack and 2) Might help slightly with MPG until I get a new Manifold, for $3 what could it hurt! #1 came true anyways!
Seasoned Member
Joined: Jan 2012
Posts: 260
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From: Conifer CO
Year: 1998
Model: Cherokee
Engine: Inline 6
People told me the same thing, "dont buy ebay brand manifolds because blah blah blah." I bought just a normal ebay brand manifold and it's been doing me wonders for about a year now.
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Senior Member
Joined: Feb 2012
Posts: 905
Likes: 8
From: New Hampshire
Year: 1998
Model: Cherokee
Engine: 4.0L I6
CF Veteran
Joined: Oct 2009
Posts: 2,867
Likes: 16
From: Fauquier County, Virginia
Year: 1991
Model: Cherokee
Engine: I-6 4.0 HO
Just a heads up, being the author of the exhaust manifold write up posted, be cautious with your 99. I listed '91-'98 because only EARLY '99 XJ's can use the APN with no issues. However, IIRC, the later years can use it as well but must do some slight grinding. Can't remember exactly. Otherwise, the APN is a fantastic header. I love mine. As mentioned, replace your Motor mounts if they're worn out. The increased virbations strain the header. Some people have gone as far as to install flex pipes in the downpipe.
Junior Member
Joined: Aug 2011
Posts: 72
Likes: 0
From: Denver, CO
Year: 1999
Model: Cherokee
Engine: 4.0
I just bought and installed this one
http://www.am-autoparts.com/Jeep/Che...16/250322.html
and it seemed sturdy and well built, and install went well. Look for a coupon code, i found a 5% off code.
I do have a 99 with the newer exhaust manifold and the flange thickness was different between the intake/exhaust manifold. But i tried it anyway, tightened the bolts down a little more than the recommended 33 lb-ft and it worked just fine.
I don't see a reason to buy the apn without the flexible bellows for $60 more.
http://www.am-autoparts.com/Jeep/Che...16/250322.html
and it seemed sturdy and well built, and install went well. Look for a coupon code, i found a 5% off code.
I do have a 99 with the newer exhaust manifold and the flange thickness was different between the intake/exhaust manifold. But i tried it anyway, tightened the bolts down a little more than the recommended 33 lb-ft and it worked just fine.
I don't see a reason to buy the apn without the flexible bellows for $60 more.
Senior Member
Joined: Feb 2012
Posts: 905
Likes: 8
From: New Hampshire
Year: 1998
Model: Cherokee
Engine: 4.0L I6
I just bought and installed this one
http://www.am-autoparts.com/Jeep/Che...16/250322.html
and it seemed sturdy and well built, and install went well. Look for a coupon code, i found a 5% off code.
I do have a 99 with the newer exhaust manifold and the flange thickness was different between the intake/exhaust manifold. But i tried it anyway, tightened the bolts down a little more than the recommended 33 lb-ft and it worked just fine.
I don't see a reason to buy the apn without the flexible bellows for $60 more.
http://www.am-autoparts.com/Jeep/Che...16/250322.html
and it seemed sturdy and well built, and install went well. Look for a coupon code, i found a 5% off code.
I do have a 99 with the newer exhaust manifold and the flange thickness was different between the intake/exhaust manifold. But i tried it anyway, tightened the bolts down a little more than the recommended 33 lb-ft and it worked just fine.
I don't see a reason to buy the apn without the flexible bellows for $60 more.
Thread Starter
Seasoned Member
Joined: Aug 2010
Posts: 330
Likes: 0
From: Grand Junction, CO
Year: 1999
Model: Cherokee
Engine: 4.0L I-6
Originally Posted by Cateyerr
I just bought and installed this one
http://www.am-autoparts.com/Jeep/Che...16/250322.html
and it seemed sturdy and well built, and install went well. Look for a coupon code, i found a 5% off code.
I do have a 99 with the newer exhaust manifold and the flange thickness was different between the intake/exhaust manifold. But i tried it anyway, tightened the bolts down a little more than the recommended 33 lb-ft and it worked just fine.
I don't see a reason to buy the apn without the flexible bellows for $60 more.
I just bought and installed this one
http://www.am-autoparts.com/Jeep/Che...16/250322.html
and it seemed sturdy and well built, and install went well. Look for a coupon code, i found a 5% off code.
I do have a 99 with the newer exhaust manifold and the flange thickness was different between the intake/exhaust manifold. But i tried it anyway, tightened the bolts down a little more than the recommended 33 lb-ft and it worked just fine.
I don't see a reason to buy the apn without the flexible bellows for $60 more.
http://www.ebay.com/itm/Jeep-Wrangler-Grand-Cherokee-4-0L-Stainless-Steel-Exhaust-Manifold-Gasket-Kit-/130574047195?pt=Motors_Car_Truck_Parts_Accessories &fits=Year%3A1999|Make%3AJeep|Model%3ACherokee&has h=item1e66d1d7db&vxp=mtr
$78.95 - Free Ship
I think I'm going to pull the trigger on this one. The original made it almost, what 12 or 13 years? For $80, it's not that large of an investment if it only makes it a couple years.
Last edited by eggdashure; Mar 2, 2012 at 08:19 PM.
Thread Starter
Seasoned Member
Joined: Aug 2010
Posts: 330
Likes: 0
From: Grand Junction, CO
Year: 1999
Model: Cherokee
Engine: 4.0L I-6
Change your motor mounts that could be why the mani cracked. Mine were too.
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