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Unread 04-05-2007, 01:57 PM   #16
ufatbastehd
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Quote:
Originally Posted by Switch1625
Why do they make gaskets for my jeep then? Are you telling me the gasket that i bought isnt real? I feel like an idiot for buying something not real right now.
If your going to change the gasket I would advise you to get the dealer gasket.
From what I've read they a better quality that you can buy elsewear.

If you want to make sure that a gasket is used for this the dealer can tell you.


I do know on my 4.0 as gasket was needed.

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Unread 04-05-2007, 03:02 PM   #17
92 Green YJ
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I don't buy into the whole no gasket needed thing either. Every exhaust and intake manifold i have ever seen has had a gasket on it. And on the 4.0L it is one gasket for both, I would imagine the 4 banger is the same. I also still don't buy the need to drain the coolant. there should not be any coolant running thru the intake manifold, unless you have a turbo or something there is really no point for coolant to be running thru the intake manifold, hell even with a turbo it wouldn't be needed i dont think. Look dude, we just need to find a good day for you to bring your heep down here and I'll help you install the damn thing
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Unread 04-05-2007, 03:11 PM   #18
EJames1226
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Alright, but i have a turbo in mine.
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Unread 04-06-2007, 06:14 AM   #19
Dan Marino
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Visit Your Dealer/Take It Apart and Report Back

That's fine if people here don't believe me. I actually have a 1994 2.5 liter Jeep Wrangler, so you guys with the 4.0 really shouldn't be commenting on this.

I've actually gone to my local Jeep dealer's parts department and looked at their on-line inventory parts catalog and purchased the necessary supplies to fix my broken exhaust manifold stud.

There is an intake manifold gasket, but there is not an exhaust manifold gasket. I recommend that the guy who originated this thread go ahead and take it all apart and report back to us what he found. Also let us know what your local Jeep dealer tells you too.

I've done it. I've lived it. I own it. It's reality and it is my acutal experience that nobody can say didn't happen or doesn't exist.

Anyway, I look forward to the report back on your findings.
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Unread 04-06-2007, 06:58 AM   #20
rockcrawlingyj
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He's correct....to a point. The 4 bangers came through with no provisions for a gasket on the exhaust manifold. BUT the aftermarket gasket I bought and installed on my 95 4 cylinder is a one piece intake AND exhaust manifold gasket. It really makes a noticeable difference from stock.
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Unread 04-06-2007, 07:33 AM   #21
Richmond88yj
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Put a new gasket on.

Also, as for the coolant, some intakes have ports where the coolant is routed through. If your intake has this, you need to drain your coolant. (See pic with arrows on first page)
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Unread 04-06-2007, 07:50 AM   #22
gary1
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Quote:
Originally Posted by rockcrawlingyj
He's correct....to a point. The 4 bangers came through with no provisions for a gasket on the exhaust manifold. BUT the aftermarket gasket I bought and installed on my 95 4 cylinder is a one piece intake AND exhaust manifold gasket. It really makes a noticeable difference from stock.

What do you mean by a 'noticeable difference'....
Do you mean in the sound level or what.???
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Unread 04-06-2007, 08:50 AM   #23
rockcrawlingyj
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Quote:
Originally Posted by gary1
What do you mean by a 'noticeable difference'....
Do you mean in the sound level or what.???



Much quieter
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Unread 04-06-2007, 09:55 AM   #24
ufatbastehd
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Quote:
Originally Posted by Dan Marino
That's fine if people here don't believe me. I actually have a 1994 2.5 liter Jeep Wrangler, so you guys with the 4.0 really shouldn't be commenting on this.

My comment was that since he is unsure to ask the dealer same as yours.
Anybody can make that statement be you a 4.0 owner or a 4 banger owner.

Its good advice when one is unsure to ask the dealer if the part exists.
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Unread 04-06-2007, 11:38 AM   #25
Dan Marino
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Verified

Anyone actually gotten on the telephone yet or gone to visit their Jeep dealer's parts department?

It's more than "plausable" that there is no factory exhaust manifold gasket because the 1994 Wrangler 2.5 engine did indeed roll off the assembly line without one. That's the facts. I'm not correct "to a point", I'm just plain correct.

Sorry to ruin everyone's day with non-plausable, accurate information.

And yes, I still do think that 6 cylinder guys who haven't actually taken off a 1994 4 cylinder's exhaust manifold to check for a factory gasket should stay out of this thread and not spew their inaccurate, plausible, opinions that are false and misleading to anyone who is looking for accurate guidance.

(Boy am I cranky these days now that I'm retired. Shannon Sharpe really bugs me.)
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Unread 04-06-2007, 11:46 AM   #26
ufatbastehd
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Quote:
Originally Posted by Dan Marino
Anyone actually gotten on the telephone yet or gone to visit their Jeep dealer's parts department?

It's more than "plausable" that there is no factory exhaust manifold gasket because the 1994 Wrangler 2.5 engine did indeed roll off the assembly line without one. That's the facts. I'm not correct "to a point", I'm just plain correct.

Sorry to ruin everyone's day with non-plausable, accurate information.

And yes, I still do think that 6 cylinder guys who haven't actually taken off a 1994 4 cylinder's exhaust manifold to check for a factory gasket should stay out of this thread and not spew their inaccurate, plausible, opinions that are false and misleading to anyone who is looking for accurate guidance.

(Boy am I cranky these days now that I'm retired. Shannon Sharpe really bugs me.)
My last comment on this to you

Referring someone to check the dealer on a part is accurate guidance Its not inaccurate nor false or misleading no matter what engine you run, Maybe you should go back to work so you'll lighten up a bit
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Unread 04-06-2007, 01:12 PM   #27
EJames1226
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Should i return my exauhst manifold gasket that i bought then? Since my jeep doesnt need one aparantly? It says its made for a 94 4banger wich is weird.
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Unread 04-06-2007, 02:46 PM   #28
ufatbastehd
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Quote:
Originally Posted by Switch1625
Should i return my exauhst manifold gasket that i bought then? Since my jeep doesnt need one aparantly? It says its made for a 94 4banger wich is weird.

Ask Dan Marino!!Just kidding.

Have you checked with the dealer to confirm that one is not needed? Seems that some 4 cyl guys here say yes and some say no. You need to be sure so, contact the dealr or get your hands on a Haynes, Chilton or FSM it should be indicated in these.

When your sure you don't need it why not return it?
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Unread 04-06-2007, 02:49 PM   #29
EJames1226
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Im going to go take a picture of the exposed part of the exauhst manifold gasket thats currently in my jeep to confirm that this is the exauhst manifold gasket.
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Unread 04-06-2007, 04:24 PM   #30
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I have a 95' defiantly didn't have a gasket. I've also worked on a lot of other engines with out exhaust gaskets. Example 2.8l Blazer. So yeah they don't all come with gaskets but I can't say as I'm a fan of it. As long as the 2 surfaces are true and not warped they tend to seal just fine. Oh and they are also always the made of the same metal Cast Iron, that way they will expand and contract the same with changing temperatures.

I'd say use the gasket if you have it though. The manifolds tend to warp a bit.

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