is it safe to run without this piece? [Malibu 3500] - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 03-13-2008, 11:16 AM   #1
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Default is it safe to run without this piece? [Malibu 3500]

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the dealer called it PCV piping. there is no sensor anywhere along the tubing (or on either end). it connects to just under the coil packs.

it is not: IAT, MAF
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Old 03-13-2008, 11:31 AM   #2
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Keep it. It is a ventilation tube that goes from the rear valve cover to the air intake tube. It is needed for proper PCV ventilation. I had something similar on both of my 3100s, and 3.1 MPFI.
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Old 03-13-2008, 12:31 PM   #3
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And if it'* missing, it'* pulling in unfiltered air.
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Old 03-13-2008, 03:15 PM   #4
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i should clarify. he doesnt want it off permanently, but itll take a week for a new one to get here and he needs to know if its safe for him to drive the car during that week.

thank you both for replying
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Old 03-13-2008, 07:26 PM   #5
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Better safe than sorry. Any peice of hose that fits should make do for the short term.
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Old 03-14-2008, 09:26 AM   #6
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It can also be plugged for the interim, at the valve cover end. If you have to replace that hose, lop it off, and put something like a bolt in the other end of it, until the replacement comes.
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