04 Tahoe Engine Advice - Team Camaro Tech
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post #1 of 2 (permalink) Old Jul 8th, 17, 01:54 PM Thread Starter
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Robert
 
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04 Tahoe Engine Advice

Hello all,
My wife's 04 Tahoe needs the top end removed due to broken header bolts in the back hole on both heads, joy... While I'm in there, I am going to replace the valley pan seal and the valve stem seals; what else should I do? It's a 5.3 2wd w/ 186K. Also, I am going to remove the bolts by building up a little weld with my mig and then fill a nut to the bolt. Sounds easier than drilling and tapping. I'll take pics. Thanks Friends.
- Rob

1968, 5 speed, Vintage Air Gen IV, American Auto Wire Update Series, Champion 4 Core Rad, BMR front w/ Koni's, BP Roller 383, Posi 8.2", Solid Frame Bushings
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post #2 of 2 (permalink) Old Jul 9th, 17, 02:11 PM
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Chris
 
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Re: 04 Tahoe Engine Advice

Be sure to replace all of the exh manifold bolts. I used to have an 02 suburban with the 6.0 and it is a problem with most of the older LS engine. The original bolts have small heads and will eventually "pop" off. I had 4 total, including the back to. Talk about a PIA to get to with everything installed. I ended up taking mine to a local dealer. They tried the weld and fill method but weren't able to on the dr side. Ended up getting a new head out of it (courtesy of the dealership). They sell the new style bolts in the help section at your local auto parts store or on Amazon. Replacement set- Dorman #03413b

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