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04-26-2013, 11:30 AM
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#1 |
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Account Suspended
Join Date: Apr 2008
Location: Hesperia, Ca
Posts: 1,332
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Pulsing/Surging Cruise Control
Cruise control pulses, or surges up and down when engaged. Sometimes it smooths out, other times not. '88 TBI 350.
Any ideas? |
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04-26-2013, 04:10 PM
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#2 |
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Account Suspended
 Join Date: Mar 2013
Location: lumberton tx
Posts: 575
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Re: Pulsing/Surging Cruise Control
Mine does it too. No idea. I put a new vaccum pod thingy on but no bueno
Posted via Mobile Device |
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04-26-2013, 04:19 PM
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#3 |
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Account Suspended
Join Date: Apr 2008
Location: Hesperia, Ca
Posts: 1,332
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Re: Pulsing/Surging Cruise Control
I'm going to pull a vacuum on the cruise "solenoid" this weekend and see if it holds. Might just be a leaky vacuum line somewhere.
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04-26-2013, 04:32 PM
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#4 | |
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Registered User
Join Date: Apr 2001
Location: DALLAS,TX
Posts: 22,064
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Re: Pulsing/Surging Cruise Control
Quote:
__________________
67SWB-B.B.RetroRod 64SWB-Recycle 89CCDually-Driver/Tow Truck 99CCSWB Driver All Fleetsides @rattlecankustoms in IG Building a small, high rpm engine with the perfect bore, stroke and rod ratio is very impressive. It's like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar..... Cubic inches is like Indiana Jones with a cheap pistol. |
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04-26-2013, 07:24 PM
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#5 |
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Registered User
Join Date: Jul 2007
Location: Tucson, AZ
Posts: 3,189
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Re: Pulsing/Surging Cruise Control
Mine cuts out on the downhill travel, will not hold below 45 mph. I replaced all the vacuum lines, actuator, brake switch, everything but the control lever on the column (1983 model year only type). That switch/lever was not available until recently, and it is too much to warrant replacement. There is a circuit board in a red plastic box under the dash, but that has to be sent into the aftermarket manufacturer and they are supposed to be able to repair it.
Converting to electric cruise I think makes more economic sense - vacuum is an unreliable method IMHO. |
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Linear Mode
