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Chris, ASE Certified Technician
Category: Chevy
Satisfied Customers: 11
Experience:  ASE Certified, 7 years of professional experience, GM, Ford, Chrysler, Honda, Toyota
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2000 chevy blazer: upper intake..the fuel pressure regulator

Customer Question

on a 2000 chevy blazer trying to get the upper intake off to replace the fuel pressure regulator how does the intake come off
Submitted: 7 years ago.
Category: Chevy
Expert:  Chris replied 7 years ago.
There is a large o-ring that goes arround the CPI unit (where the fuel lines and square bulk wiring connector connect) that seals it to the inside of the intake. You cannot see this seal until you get the intake off, but it takes a fair ammount of effort to remove it. You should be COMPLETELY positive all the bolts are out, and everything visible is disconnected before you try to force anything apart. The intake should lift slightly off of the engine (about 1/4 an inch) because the CPI unit has that much play in it's mounting bolts. Use a prying tool of some sort to LIGHTLY pry the intake up and off of the center seal, prying on a reinforced area of the intake and against a strong part of the cylinder head or valve cover. Be careful, the intake is only made of plastic and will break if forced too hard. Once the intake is removed you will see the o-ring, if you purchased a gasket kit for reassembly it should have come with a replacement. Wether you use new seals or re-use the old ones (not recommended) make sure you lubricate the CPI o-ring with vaseline to prevent dammage when installing. Before you bolt the intake back together you also need to make sure the CPI unit is fully seated in the intake. Good luck, and thank you for your question!