had the problem since I got the car, some 35,000 miles ago..
the cruise control works, but when confronted with even a mild uphill grade,
I get to watch the (digital) speedo gradually drop..
if the hill is big enough, it will get to 10mph under the set point and give
up and shut down..
I need to tear the dash apart to replace the heater core anyway, so while
I'm at it, just exactly where should I be looking?
not under the dash.. unless there's a vacuum leak under there. Esp the
dump valve at the brake pedal assy
Get a vac gauge and pump, hook it to servo vac port and see if it will hold
somewhat of a vacuum.
Call a scrapper and get the price of a used servo ... there should be
plenty of them
There's a time to "throw parts" at a problem and I would inspect all the
lines for kinks and leaks, and if I found none, i'd just replace it.
well every vac line not going into the firewall has been recently replaced,
and I have a cable from the throttle and a vac line(which looks fine for the
whole 3 inches I can see)disappearing into the backside of the fender well,
so I'm assuming the servo is under the dash?
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