justaguy Posted September 13, 2011 Report Share Posted September 13, 2011 91 pontiac grand prix se 3.1 v-6,iwant to change the pcv valve,not that easy to do,have to rotate engine,remove map sensor bracket,or so i,ve read,but i've also heard you can possibly break the plastic tube,is this true??,there's no room barely to work,just curious:think: Quote Link to comment Share on other sites More sharing options...
Schurkey Posted September 13, 2011 Report Share Posted September 13, 2011 Haven't done a PCV on a 3.1, but if the hard plastic vacuum tubing is as brittle on your 3.1 as it is on my 3.4s, yeah, bustification is more "probable" than "possible". Quote Link to comment Share on other sites More sharing options...
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