03-03-2009 | #1 |
Join Date: Jun 2006
Location: Thunderbolt, Ga.
Posts: 253
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Name that mystery hose????
When you look at the firewall of a 1990 ZR1, there is a vacuum hose protruding into the engine compartment from under the dash. It is to the right of the steering shaft and underneath the brake master cylinder. Can anyone name this piece? Thanks in advance!!!
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03-03-2009 | #2 |
Join Date: Jul 2005
Posts: 77
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Re: Name that mystery hose????
I know the throttle cable comes out of the firewall at approximately that location and could be mistaken for a vacuum hose. Without going to look at a car, I don't have a clue as to what the vacuum hose you are referring to does. Hopefully someone else has an answer. Good luck!
Will |
03-03-2009 | #3 |
Join Date: Jul 2007
Location: Bartlett, IL
Posts: 7,169
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Re: Name that mystery hose????
Cruise Control Vacuum release.. goes to the brake pedal I believe
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1990 Corvette ZR-1 #1051 Watson Headers (2" Primary) - Flowmaster Cats - Borla Catback Late Model IH - Plenum Coilovers - 4.10s Custom Interior NCM Lifetime Member #978 |
03-03-2009 | #4 |
Join Date: May 2007
Location: Peoria, AZ
Posts: 9,155
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Re: Name that mystery hose????
Im thinking the CC as well but a picture of what your looking at would be priceless to be able to help you more effectively.
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03-03-2009 | #5 | |
Join Date: Jul 2007
Location: Bartlett, IL
Posts: 7,169
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Re: Name that mystery hose????
Quote:
it is HVAC goes through the Firewall on the Passenger side
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03-04-2009 | #6 |
Join Date: Jun 2006
Location: Thunderbolt, Ga.
Posts: 253
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Re: Name that mystery hose????
Unfortunately my neighbor has my camera at the moment and Ive been too lazy to deal with getting it back. Ill probably do it today so I can post a pic. The hose & grommet come out of the firewall under the brake booster. Cruise Control Vacuum release sounds logical. I dont think its the HVAC hose, it enters through the square-ish bulkhead connector, kinda behind the passenger side cylinder head. I dont think there are any more vacuum hoses that go through the firewall besides these 2. Anyone know of a 3rd or 4th?
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03-04-2009 | #7 | |
Join Date: Jul 2007
Location: Bartlett, IL
Posts: 7,169
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Re: Name that mystery hose????
Quote:
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1990 Corvette ZR-1 #1051 Watson Headers (2" Primary) - Flowmaster Cats - Borla Catback Late Model IH - Plenum Coilovers - 4.10s Custom Interior NCM Lifetime Member #978 |
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