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Old 05-14-2010, 10:50 AM   #46
Suburban-97
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Re: Intake Manifold Gasket (my own Do-It-Yourself experience)

I am not sure whether the 2500 and the 1500 are similar when it comes to this fix, but if you look at the pics in my very first post on page #1 and they look similar to what you have, it shouldn't be much different. Both are Vortec engines, but as another poster (Torque_Nut) mentioned earlier, these engines have a different configuration. I don't know what's different, never looked under the hood of a 7.4L, but I just wanted to wish you luck with this repair. Maybe you return here and let us know what's so "different" about the 2500.

Have Fun!!!
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Old 05-14-2010, 09:38 PM   #47
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Re: Intake Manifold Gasket (my own Do-It-Yourself experience)

Thanks. I'm being told it's basically a bigger version of the 350.
My concern is mounting brackets, like the AC with the "magic bolt".
Those little secrets can save time and aggravation.

The upside is, I can take my time on it an do a clean job and change out parts and improve stuff as I go.
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Old 10-07-2010, 03:44 PM   #48
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Re: Intake Manifold Gasket (my own Do-It-Yourself experience)

My 98 Yukon is running now -- purrs like a proverbial "kitten" and I'm happy as a proverbial "pig in s*#@" -- for now, let's hope it keeps on. So far no leaks or codes.

Thanks to Suburban-97 for the helpful thread.

One thing that could be emphasized is to hand crank the engine to TDC before removing the distributor.

I didn't pay enough attention to mark the distributor and rotor position. So, I ended up having to time the distributor. And, that meant that I had to reposition the oil pump shaft. I couldn't feel the shaft with my very large long screw driver and "assumed" it was too big.

So, I carefully put a bit adabter and screw driver bit on a long 1/4" extension. I turned it some, but still couldn't seat the distributor. On my second try, the extension came back missing the adapter and bit.

I posted in the Yukon forum:
Automotive Forums .com Car Chat > GMC > Yukon Dump Thing - Dropped Socket in GM 5.7

http://www.automotiveforums.com/vbul...49#post6812649

Everything seems fine now. But, I do have a small nut and a smaller nut left over.
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Old 10-04-2012, 12:42 PM   #49
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Re: Intake Manifold Gasket (my own Do-It-Yourself experience)

For an old poop like me a must have tool was my over the fender creeper. Let me lay on a nice cushion while working on the truck. Best 200 bucks I've spent in a long time! http://www.amazon.com/REL-Stapleton-...opside+creeper
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Old 05-17-2014, 11:53 PM   #50
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Re: Intake Manifold Gasket (my own Do-It-Yourself experience)

I think I may have to do this repair. Need to verify it's an intake manifold leak but pretty sure. I know this is an old thread but great info. Read as much as I could but wanted to ask is the Fel-Pro gasket is the best way to go and is there any difference for a 454. (97 3/4 ton sub)
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Old 03-19-2018, 05:12 AM   #51
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Re: Intake Manifold Gasket (my own Do-It-Yourself experience)

Hello
New member here who is hoping that someone saved original poster's instructions and photos and could provide that information.
Thsnks
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Old 03-19-2018, 10:08 AM   #52
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Re: Intake Manifold Gasket (my own Do-It-Yourself experience)

[quote=Castconcrete;7208752]Hello
New member here who is hoping that someone saved original poster's instructions and photos and could provide that information.
Thanks [quote]

!!!!!!!!!!!!!!!!!! Look up you tube video on this as many as you can find .. buy the correct gasket kit from felpro @rock auto
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Old 03-19-2018, 10:23 AM   #53
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Re: Intake Manifold Gasket (my own Do-It-Yourself experience)

Thanks for the response.
Got the felpro gasket from rock.
Watched videos, not much of quality out there.
So many praised the write-up here, was just hoping that someone who had accessed it and saved it was still around.
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