5.2 Plenum Gasket blown, good info here
Thread Starter
Junior Member
Joined: May 2015
Posts: 51
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Model: Grand Cherokee
Engine: 5.2l
5.2 Plenum Gasket blown, good info here
Ran this test today...
I have pure vacuum doing the second part of this test...
Plenum gasket failure...
Hughes kit to be ordered...
I have pure vacuum doing the second part of this test...
Plenum gasket failure...
Hughes kit to be ordered...
CF Veteran
Joined: Feb 2010
Posts: 12,367
Likes: 23
From: Oroville, CA
Year: 1995
Model: Grand Cherokee
Engine: 4.0 with all of the noise and clatter
Don't over torque the manifold bolts. I think it's only about 11-13 ft lbs starting from the center out. Over torquing can actually crack the block around the cam journals.
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