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Cruise control not working 740[740-760/1990] posted by Richard Brink on
Monday, 13 July 1998, at 3:53 p.m.
My cruise control doesn't work at all. What is usually the problem when they break ie. switch,(slide or push button on end), vacuum motor etc. Any guidance would be appreciated.
--Richard Brink
Re: Cruise control not working 740[740-760/1990] posted by abe crombie on
Monday, 13 July 1998, at 5:28 p.m.
Pull hose loose at "T" fitting aft of throttle servo.
Apply vacuum (suck on it, but make sure no one's watching) to fitting with hoses that run down to pump and into car to brake pedal defeat switch.
If leaks are detected here then find split hose or go inside and find pedal switch fault. If no leaks detected then closely inspect the servo for splits or tears.
The likelihood of electrical trouble is far lower than having a hose split or a leaking servo.
Re: Cruise control not working 740[740-760/1990] posted by Steve Seekins on
Tuesday, 14 July 1998, at 9:44 a.m.
Most common problem that I have seen is either split or disconnected vacuum hose, or mis-adjusted brake switch (at the pedal) or clutch switch (if manual tranny). Sometimes it is simply that the brake or clutch pedal is not fully returning - try lifting up on the pedal with your foot while driving and see if you can engage the cruise.
Steve Seekins,