406 Cruise Control

Discussion in 'Peugeot 406' started by Bob Chambers, Jun 16, 2007.

  1. Bob Chambers

    Bob Chambers Guest

    Cruise control on 1997 406 2 l is acting up - see previous post. The
    system will hold speed the on level or slightly uphill but on steeper
    hills overshoots by 5-10 km/hr (about 3-6 mph). It used to catch
    overspeed and keep speed to very close tolerances. Have already removed
    the slack by tightening the cruise control vacuum actuator cable to the
    throttle, which has only marginally improved performance. In addition
    there is no change if you use the steering column wand to reduce speed .
    The wand control to raise speed works OK. Suspect some hamfisted
    mechanic has maladjusted the system or left something undone, as the
    cruise control cable adjuster nut was loose and the clips to adjust the
    accelerator cable were in the wrong place when I first started to look
    at the problem. My thoughts are that the control solenoid may not be
    releasing air from the vacuum cylinder fast enough. Has anyone had any
    similar problems and reached a solution?
     
    Bob Chambers, Jun 16, 2007
    #1
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