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  1. T

    4.0 exhaust manifold studs - bolts o.k.?

    I had a discussion about the different grades too. My jeep won't get much use, so I just decided to replace like for like. Then I noticed the originals had tapered ends, and they'd all held up great and came out easily so (don't flame me here), I put the originals back in. This is mostly due...
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    4.0 exhaust manifold studs - bolts o.k.?

    You'll probably have to talk to Mongo about a bolt kit. I just got 3/8" x 16 grade 8 bolts. If you have a nice jeep, it might be worthwhile buying a bolt set from a dealership. Mine has 201k on the odometer, and supposedly 50k on the motor and trans, so just putting new hardware on may have...
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    4.0 exhaust manifold studs - bolts o.k.?

    I went to the parts store for new radiator hoses (might as well take care of it while it's easy to access - the old ones were starting to swell), so I got new hardware. Two of the bolts had permatex - I'm pretty sure it's that type of material, and definitely not loctite. It's nearly as big...
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    4.0 exhaust manifold studs - bolts o.k.?

    Yup, it's a 3/8"-16. I got a little concerned when I saw permatex near the outside end of the bolt the previous owner used, and oil towards the end of the bolt inside the head. I can't understand why there would be oil in there, why they'd have to seal it in (that's how it looks to me), or if...
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    4.0 exhaust manifold studs - bolts o.k.?

    I'm replacing the exhaust manifold on a '94 XJ with a 4.0 tomorrow. I started prepping things tonight, and took out the bolt that's towards the front of the motor for the exhaust manifold. I was surprised to see what looked like permatex on it, so I did a little looking into it. Apparently...
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