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

Need Some Cruise Control Help

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Old Oct 27, 2006 | 09:11 PM
  #1  
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Default Need Some Cruise Control Help

I've got a thread running on the C4 General board - Cruise Control - trying to get help on sorting out why mine doesn't work.

Please take a look and give me any feedback on how to solve this. I don't want to duplicate it on this board.

Thanks,

Jake
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Old Oct 28, 2006 | 12:49 AM
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Originally Posted by JAKE
I've got a thread running on the C4 General board - Cruise Control - trying to get help on sorting out why mine doesn't work.

Please take a look and give me any feedback on how to solve this. I don't want to duplicate it on this board.

Thanks,

Jake
At least put in the link for us....
http://forums.corvetteforum.com/show....php?t=1475173
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Old Oct 28, 2006 | 09:17 PM
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Originally Posted by 93*Corvette
At least put in the link for us....
http://forums.corvetteforum.com/show....php?t=1475173
I appreciate the advice and the assitance; should have thought of that myself.

Now, can someone please point me down the path to fix this Oh So Frustrating problem?

Jake
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Old Oct 29, 2006 | 01:44 AM
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Not related, but looking at your avatar, your front rims are on the wrong sides.
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Old Oct 29, 2006 | 11:23 AM
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Originally Posted by 86PACER
Not related, but looking at your avatar, your front rims are on the wrong sides.
"Oh, Grand Ma, what sharp little eyes you have", LOL

Those photos were taken by the previous owner when he was advertising the car for sale. I noticed it right off too and they were swapped before I took delivery.

BTW, the idiot tire changer damaged the two LTP sensors in the process, which the seller now has to replace at no cost to me.

Jake

Last edited by JAKE; Oct 29, 2006 at 11:30 AM.
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Old Oct 29, 2006 | 11:33 AM
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Originally Posted by 86PACER
Not related, but looking at your avatar, your front rims are on the wrong sides.


I'll be darn, they sure are.. Hey i could use a guy like you "one that pays attention to details" need a JOB....LOL 101st Air Borne
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Old Oct 29, 2006 | 11:41 AM
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Originally Posted by Ruff Rider
I'll be darn, they sure are.. Hey i could use a guy like you "one that pays attention to details" need a JOB....LOL 101st Air Borne
See, it's one of the things I do to get attention; I've got this low self-esteem thing going on. LOL

Jake

Last edited by JAKE; Oct 29, 2006 at 11:52 AM.
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Old Oct 29, 2006 | 02:21 PM
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I know a big problem in these is the vaccum lines.

They either rub or dryrot, thats where I would start.
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Old Oct 30, 2006 | 01:40 AM
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During my engine rebuild (new head gaskets, water pump, etc) I found a vacuum hose by the distro that had a tiny hole in it. Replaced it and I got the cruise to work again.......now if I could just get it to hold speed. It drops about 1 mph every 10 seconds. Any ideas??
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Old Oct 30, 2006 | 08:36 AM
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Default I feel your pain

Mine doesn't work either. I found the vacuum line going to manifold was not connected, one of the T fitting melted. Somewhere behind the distibutor, so I have to dig in there and find the connection so I can fix it. Hopefully that will fix my problem.

For the dropping speed. I would check you vacuum lines, maybe there is another slow leave and you are not keeping enough vacuum to maintain speed?
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Old Oct 30, 2006 | 09:51 AM
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Originally Posted by Michael_ERT
Mine doesn't work either. I found the vacuum line going to manifold was not connected, one of the T fitting melted. Somewhere behind the distibutor, so I have to dig in there and find the connection so I can fix it. Hopefully that will fix my problem.

For the dropping speed. I would check you vacuum lines, maybe there is another slow leave and you are not keeping enough vacuum to maintain speed?
Underneath the passenger side fuel rail cover there is a plastic "T" fitting that is prone to rot and breaking. It just needs to be replaced.

Very common on the LTx's.

Good luck.

Eric
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Old Oct 30, 2006 | 11:41 AM
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Default No cruise control

I found this plastic Vac. valve on drivers side near distributor had deteriated it is a vac valve that gets it vac near the fuel regulator the valve cost $7 dollars at the dealer and now my cruise works great.
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Old Oct 30, 2006 | 11:43 AM
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I had to readjust the sensor under the pedal after replacing my brake booster. That may be a good place to check.
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