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

'88 vaccuum hoses

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Old Aug 17, 2003 | 09:57 PM
  #1  
88runner's Avatar
88runner
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From: Richmond Va
Default '88 vaccuum hoses

1988 Corvette.
I just replaced my intake gasket (5 hours to remove all the parts)
When I reassembled, I forgot where some of the vaccuum hoses were connected and thus now the engine will not run. When I start the engine, it runs for about 2 seconds and then stops. When the engine stops, I hear a blast of air leaking from the front passenger side of the engine somewhere.

Could someone describe where the vaccumm hoses connect on the engine-- PLEASE ???
Tks
Frank :hat


[Modified by 88runner, 2:58 AM 8/18/2003]
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Old Aug 17, 2003 | 10:52 PM
  #2  
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JCAIRE2
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From: High Plains Drifter Fayetteville, AR
Default Re: '88 vaccuum hoses (88runner)

http://forums.corvetteforum.com/zerothread?id=597874
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Old Aug 17, 2003 | 11:04 PM
  #3  
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From: Connectivette
Default Re: '88 vaccuum hoses (JCAIRE2)

That diagram should be found on your fan shroud somewhere also.

Is your MAF Sensor connector connected......I always miss that one :rolleyes:
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Old Aug 17, 2003 | 11:19 PM
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65Z01
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From: SE NY
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Default Re: '88 vaccuum hoses (88runner)

Check that big hose that runs from the right side breather to the right side TB.

There is a smaller vacuum hose that comes from the same side, under the TB to the left side fender vacuum hoses.
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Old Aug 20, 2003 | 04:10 PM
  #5  
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88runner
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Default Re: '88 vacuum hoses (88runner)

OK, Thanks for all the answers each of you have provided. I have been around and around the engine, looking at each part trying to match according the the information provided. All seems to be conected correctly.

I seem to be missing the smaller hose that connects from the power brake booster to the front of the engine - somewhere. There is a large hose that connects from the power brake booster to the plenum already.

Anyone have pictures of the actual engine- if not PLEASE assist if possible.
Thanks again
88Runner. :hat
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Old Aug 20, 2003 | 05:14 PM
  #6  
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JCAIRE2
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From: High Plains Drifter Fayetteville, AR
Default Re: '88 vacuum hoses (88runner)

On my '88 booster, there is only one hose attached to the check valve on the booster and runs to the back of the plenum.

I think you may be talking about the cruise-control vacuum line. There is a T right about in the middle of the drivers side fender where the vacuum line from the ball by the headlights splits. On end on the T goes to the engine, the other goes to the cruise control diaphragm. The line that T's off to the engine is attached to a block underneath the throttle body.
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