C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

engine vacuum check valve or heater and a/c

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Old 06-08-2010, 07:17 PM
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fmprovenzano
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Default engine vacuum check valve or heater and a/c

good evening, i've read somewhere on this this site that this "fix" will correct any cruise control problems that i'm having, the engine vacuum check for the heater and A/C valve, the air conditioning is blowing out the wrong vent,at the defrost and at legs, i removed the valve and it was broke and had melted holes through it, what a poor design , can't pick it up until tomorrow, will this fix the above mentioned cruise problems, or should i look at a different set of circumstances. thanks Frank
Old 06-08-2010, 07:38 PM
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AGENT 86
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A working check valve without holes, is a must.
What year vette ??
Old 06-08-2010, 07:40 PM
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AGENT 86
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Looking at your posts, looks like 95. Can't help you with a schematic for that year, but things can only get better when you replace the valve.
Old 06-08-2010, 09:27 PM
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fmprovenzano
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1995 with 60000, only drive it 4000-4500 a year, live in michigan, but it seems not driving it all year round creates problems you wouldn't think a low mileage car should have, but, the vettes can be tempermental, as this forum attests to that, ha

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