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Originally Posted by OOge
Could someone be so kind to tell me the most import things that i need while changing the intake.
e.g is the fuel pump o-ring [FONT='Calibri','sans-serif']Necessary [/font]to order.
Here in Europe the parts are way to expensive, so i want to order everything i [FONT='Calibri','sans-serif']Necessary[/font] need in the US. It will be a waste if something appears to be needed, and not ordered.
thanks
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Hey OOge, The absolute minimum you need to do the job is the upper and lower gasket set, front coolant bypass tube to water pump o-ring (this comes with the lower gasket if you buy the Felpro gasket), valve cover gasket set and the EGR valve gasket. That being said I would also get the lower fuel injector o-ring set because when you pull the injectors out to get at the lower intake bolts you're pulling the o-rings over all that old aluminum corrosion, it's cheap insurance (Note: don't pull the injectors out of the fuel rail or disconnect the rail from the fuel hoses, just disconnect it from the lower intake and flip it over on top of the drivers side fender that way you won't have to replace those o-rings). You will also want to replace the o-ring for the heater pipe that goes into the thermistat housing, I could find this o-ring only at the Chevy dealership, none of the autoparts stores had it. In addition your going to want to replace the coolant and to do an oil change after you put it all back together.
The standard recommendations at this point is to replace the spark plugs, spark plug wires, thermostat (and thermostat gasket), and the distributer plug o-ring (the aluminum plug under the thermistat where the distributor use to be plugged in before electronic distributorless ignition). Since you have to order parts from here you should assess that condition the air filter, serpentine belt, coolant bypass hose and the radiator hoses since all of those parts will have to come out to replace the IMG anyway.
Oh, one more thing....If you don't have a 10mm crowfoot wrench and inch pound torque wrench plan on picking those up too since you can't do the job with out them.
Good luck, hope this helps.
Sparky