2002 5.3 intake manifold gasket replacement.

[JonnyTahoe]

Its a 15 minute job without a transmission in the way. Its just a few bolts and some sealant.

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It would take me 15 mins just to make sure the engine is as clean as possible. Than 10 mins of double checking everything. Maybe 30 mins.

 

[Larryjb]

It would take me 15 mins just to make sure the engine is as clean as possible. Than 10 mins of double checking everything. Maybe 30 mins.

Took me several hours to clean. I guess I'm OCD.

 

[R422b]

Took me several hours to clean. I guess I'm OCD.

Maybe my memory is shot...... What were we talking about again?

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[Livebai8]

Sure don't want to over tighten those mine leak too.

No joke!!

02 TAHOE LS 4X4
5.3l FLEX FUEL
285/70/17 W/Z71 RIMS


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[R422b]

You may re-think the dealer when they quote you the prices. Good Luck.

I just got a set of six spark plugs for my sister-in-law's Impala and the knock sensor harness and oil pressure sensor for my Tahoe because I couldn't get those on RockAuto and that ran me $215.
I think that's not too bad and at least I'm supporting a local company that way.

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[treehan77]

You also want to build up a small dam of rtv around those knock sensors. They have an issue with corrosion getting down into the sensor holes, so it’s a good idea to stop that next time around. Like so:

I skipped the RTV dam. My knock sensors were pristine at 193k miles, so I figured why bother

 

[Matthew Jeschke]

I want to hug the engineer that designed intake gasket and valley cover for gen 3+ small block. Done a handfull of intake gasketa and gen 3 is a breeze compared to others.

Fyi, not sure what everybody else said but I kept my foam blocks. lots of people throw them away.

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[R422b]

I want to hug the engineer that designed intake gasket and valley cover for gen 3+ small block. Done a handfull of intake gasketa and gen 3 is a breeze compared to others.

Fyi, not sure what everybody else said but I kept my foam blocks. lots of people throw them away.

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Yeah I googled it to figure out what it was and if it's not falling apart or something crazy I'm leaving it.
I just placed an order for the knock sensors and camshaft position sensor on RockAuto.
The oil pressure sensor and knock sensor harness will be coming in a couple days at GM and I will probably do this next weekend before I do damage to the motor.

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[Matthew Jeschke]

I would love to find new foam inserts.

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[R422b]

I skipped the RTV dam. My knock sensors were pristine at 193k miles, so I figured why bother

I expect the corrosion is more of a northern thing I'm from Oklahoma so we don't have a lot of that here.

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