Author Topic: intake / exhaust gasket  (Read 897 times)

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Offline bootguy

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intake / exhaust gasket
« on: July 25, 2010, 11:59:12 PM »
94 Wrangler 2.5L.  The gasket is rotted and leaks like a sieve.  Bought a new gasket and have been spraying the bolts with KROIL for the last few days.  Any input and or tips on the best way to replace would be appreciated.
1994 Jeep Wrangler, 2.5L, automatic, 2.5" lift, 4:88 gearing, 33" tires, 2.5" exhaust from manifold back, air restrictor removed.

Clem

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Re: intake / exhaust gasket
« Reply #1 on: July 26, 2010, 05:56:31 PM »
Take your time. Don't bust the studs off or round off the nuts. Did you Kroil the 2 nuts on the exhaust manifold flange at the bottom? Label all your vacuum lines and what not, or at least get good pics of their routing.

When you are putting it back together, hang the exhaust manifold first. Then do the intake. Make sure to follow the torque sequence for both the intake and exhaust manifolds. Run it to operating temperature and re-torque everything.

There is nothing really fancy to worry about. It's pretty straight forward.

Torch_Ind

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Re: intake / exhaust gasket
« Reply #2 on: July 26, 2010, 06:47:30 PM »
ya like he said take your time.  it's one of the easier ones to do.

Offline bootguy

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Re: intake / exhaust gasket
« Reply #3 on: July 26, 2010, 09:51:20 PM »
Did not get the ones on the bottom, THANKS.  I am going to put new bolts and nuts on.  Grade eight, just need to figure the size.
1994 Jeep Wrangler, 2.5L, automatic, 2.5" lift, 4:88 gearing, 33" tires, 2.5" exhaust from manifold back, air restrictor removed.

Offline dwtaylorpdx

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Re: intake / exhaust gasket
« Reply #4 on: July 31, 2010, 12:52:53 AM »
Don't use grade 8 for manifolds, they need to be soft steel so
as not to break when the manifold expands. They are supposed
to be malleable.

Dave

94 YJ - 2.5 Hesco Cam B&B Ported - AX5 Trans w/Centerforce Dual Friction Clutch - 4" Rough Country Lift W/Skyjacker Shocks - D44 Rear/ARB - D30/ARB - ARB Compressor - Warn M8000 in Custom Bumper - Reunell Rear Bumper - Metalcloak 6" Body Armor Kit - Tuffy Console - 265x85-16 Tires - 2M Radio

Clem

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Re: intake / exhaust gasket
« Reply #5 on: July 31, 2010, 06:36:19 AM »
Grade 5 is sufficient. Use anti-seize!