Removing Rear Manifold. - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 09-08-2006, 12:56 PM   #1
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Default Removing Rear Manifold.

Ok so this weekend iv been thinking about pulling off my rear manifold to see if I can find the Crack in it.
So what are the steps I need to do to take it off? Or is it pretty much unbolt the down pipe, and then unbolt the manifold.
Then wiggly it out?

Or is there something im missing?
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Old 09-08-2006, 02:26 PM   #2
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Unbolt the downpipe and crossover. Soak the bolts good the day before with something able to penetrate. Make sure you have two new donut gaskets for reassembly.

The rear CAN be removed from the top on the S1, but your airbox will have to be out of the way. It'* tricky to get it in and out.

You need to have a swivel-head torque wrench for reassembly, and a deep-well 14mm and 15mm socket to clear the studs. You'll also want gaskets for the manifolds now. OEM had none, but after removal, you're better off putting them in. They're cheap and readily available locally.
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