duct tape & zip ties
Join Date: Jul 2006
Location: Willis, MI
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I am guessing you are talking about an Early 99. For one there is no gasket or doughnut at the bottom of the up pipes where the up pipe connects to the manifold. At least the two engines sitting here in my shop don't have any gasket or doughnut there. Only gasket or doughnut is up at the Y connection of the Turbo. This is where the Up pipe connects to the Turbo. I had 200,000 before the up pipe started leaking on my truck. I repaired it with factory replacement parts from the dealer. If they lasted 200,000 miles from the factory. They should last another 200,000.
Good luck getting the bolts out. I would strongly suggest you soak them with penetrating oil for a couple days. Apply the oil daily for a couple days to eat up the rust and break them free. This will prevent the bolts from breaking when you try to take the up pipes off.
Where the Up pipes connect at the manifold the bolts are nut and bolt I suggest you just cut those with a cut off wheel. You can use new grade 8 bolts from the hardware store.
The whole job is not that hard. Just tight areas to work in.
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2005 6.0 Crew Cab Long Box Lariat, current truck
2004 6.0 destroyed by contaminated fuel
2002 7.3L burnt