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Jeep Picture Showcase Just a place to post (show off) your Jeep or your modifications images.

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  #1  
Old November 22nd, 2010, 23:53
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APN Header Photos

4.0 Exhaust Manifold Installation
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  #2  
Old November 22nd, 2010, 23:53
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Re: APN Header Photos

remove Airbox


cover Throttle Body


remove Electric Fan


reduce tension and remove Serpentine Belt


remove Power Steering Pump


disconnect Fuel Line at Fuel Rail
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  #3  
Old November 22nd, 2010, 23:54
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Re: APN Header Photos

Swivels and Extensions required for Manifold Bolts


many hard to reach Manifold Bolts
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  #4  
Old November 22nd, 2010, 23:54
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Re: APN Header Photos

Exhaust Manifold (Header)


Header cracked almost entirely around one tube at the Collector



Header removed
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Old November 22nd, 2010, 23:55
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Re: APN Header Photos

Injector Wiring and Sensors labeled for ease of re-assembly


Intake ports [] and Exhaust ports () in Cylinder Head
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Old November 22nd, 2010, 23:55
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Re: APN Header Photos

Gasket surfaces prepped through scraping, sanding, conservative use of solvent



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Old November 22nd, 2010, 23:55
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Re: APN Header Photos

spray new Gasket with Copper High Temp Adhesive Sealant


Cylinder Head prepped


Copper sprayed Gasket resting on alignment pins
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Old November 22nd, 2010, 23:56
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Re: APN Header Photos

APN Header


new Brass Hardware
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Old November 22nd, 2010, 23:56
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Re: APN Header Photos

Installed
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Old November 22nd, 2010, 23:57
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Re: APN Header Photos

Swivel Head Gear Wrench required


apply Dielectric Grease to all electrical connections on re-assembly
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  #11  
Old November 22nd, 2010, 23:57
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Re: APN Header Photos

Get Grease on Shutter so remaining photos are ruined




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Old November 23rd, 2010, 07:15
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Re: APN Header Photos

Good info! As someone who's been through this recently (several times on my Jeep and a couple of others), while you have the header off and everything out of the way, take a good look at your motor mounts, especially the drivers side. If they are in bad shape, your new manifold will crack eventually. Mine lasted about 6 months and this is why:



Great time to replace them is while you already have everything off. Even if you don't have much money and want to go with OEM replacements from your favorite parts house vs. ordering after market ones online.
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Old November 23rd, 2010, 07:18
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Re: APN Header Photos

If you look in his pictures, he already replaced the motor mounts with some type of aftermarket unit. Look like M.O.R.E.s.

Good advice in general though
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Old November 23rd, 2010, 12:11
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Re: APN Header Photos

No need to modify the #6 header pipe? Any intake leaks to speak of following the install?
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  #15  
Old November 23rd, 2010, 13:23
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Re: APN Header Photos

Quote:
Originally Posted by rocknxj View Post
No need to modify the #6 header pipe? Any intake leaks to speak of following the install?
No leaks and no modification to the manifold (I still have the old style intake on my 97).
I'd like to upgrade to the later model intake with the larger plenum chamber someday.
I'll update how things piece back together when I get around to it.
Fair warning - that might be years from now.

: )
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