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post #1 of 8 Old 06-15-2006, 08:07 AM Thread Starter
wmm_16
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Torque Specs

I think I'm going to be replacing my exhaust manifold either this weekend or next. Can someone give me the torque specs for the intake and exhaust manifolds, also any other tips that will save me a headache.


1996 Jeep Grand Cherokee Limited
4.0 I6 2WD
Clear corners
K&N Filter
Alpine head unit
Firestone Destination LE's
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post #2 of 8 Old 06-15-2006, 08:18 AM
Wheelin98TJ
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Tightening sequence:




Torque specs:





Its not too bad of a job. The most difficult part of it is getting at some of those bottom bolts. Just have some wobble sockets on hand and you'll be fine. Or better yet, ratcheting wrenches.

You also may need a fuel line disconnect tool ($5-10 at any auto parts store). Some people just leave the intake kind of hanging there, but I think its quicker to just get it out of the way. If you don't have a fuel line tool, you can just pull each of the injectors.

You have to loosen the power steering pump since its bolted to the intake.

When reinstalling, be sure to get the header seated properly on the alignment pins. It seems like people have problems with this sometimes and end up with an intake leak when its all done.

Be sure to use a quality gasket. I recommend an OE gasket. They are raised around the ports for a better seal and cost around $15.

Here's a decent write-up from Banks website that also may help:
http://www.bankspower.com/im_ora-may03.cfm
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post #3 of 8 Old 06-15-2006, 08:47 AM
greasefingers
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Wheelin: nice schematics

And donít forget the exhaust manifold donut gasket. I could not find one at any of my local auto stores.

Cheers Steve

94 Black Laredo 4-Liter with QuadraTrac (42RE trans & NP249 TC) 200,000 + miles purchased new

88 Cherokee 2-door with 5speed manual 139K miles(deceased) purchased new
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post #4 of 8 Old 06-15-2006, 12:38 PM Thread Starter
wmm_16
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I just put in a new doughnut thinking that was the culprit. I ended up breaking one of the bolts off with my cordless impact though. I'm just going to do the new manifold now, then I know it's all good. The manifold kit I am getting has new flange bolts and gaskets too, though I'll probably get a good Fel-Pro gasket for the manifold.

1996 Jeep Grand Cherokee Limited
4.0 I6 2WD
Clear corners
K&N Filter
Alpine head unit
Firestone Destination LE's
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post #5 of 8 Old 06-15-2006, 01:14 PM
Wheelin98TJ
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Quote:
Originally Posted by wmm_16
...though I'll probably get a good Fel-Pro gasket for the manifold.
I think you're better off with an OE gasket.
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post #6 of 8 Old 06-15-2006, 01:16 PM Thread Starter
wmm_16
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I'll check it out, I used to work at a parts store and was trained by Fel-Pro. You know how it is, almost like they brain wash you.

1996 Jeep Grand Cherokee Limited
4.0 I6 2WD
Clear corners
K&N Filter
Alpine head unit
Firestone Destination LE's
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post #7 of 8 Old 06-15-2006, 01:21 PM
greasefingers
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I consider Fel-Pro as one of the best out there.

Cheers Steve

94 Black Laredo 4-Liter with QuadraTrac (42RE trans & NP249 TC) 200,000 + miles purchased new

88 Cherokee 2-door with 5speed manual 139K miles(deceased) purchased new
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post #8 of 8 Old 07-22-2012, 04:34 PM
VAzj
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My Felpro Gasket smoked for a little bit.

Wayyyyyy quieter now and the reverse doesn't shutter violently like it did before.

A little bit more power and doesnt mind going over 3k rpm's.

New timing chain and it should be good to go.

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