In reply to a message from LaJagy sent Wed 10 Jul 2013:
I’m a big fan of cruise control on the highway, so I feel
Something I’ve always wondered is this: is the bellows the
actual functional diaphragm of the actuator, or is it just a
dust cover for the inner workings of the vacuum-operated
solenoid? If the bellows is just a dust cover, your problem
may actually lie elsewhere, such as in the purge valve
(mounted on the leading edge of the left fender well below
the air filter intake snorkel and a common failure point).
You might try applying vacuum to the actuator to see if it
still works. If it doesn’t, I’d be tempted to try sewing
the split in the bellows with thread as a reinforcement,
then sealing it with a good flexible silicone sealant or
inner-tube repair cement.
Let us know if you get a chance to test the actuator with
The original message included these comments:
Noticed some time back the c.c. ceased its function. And
just noticed accidently the badly split open vacuum bellows.
Suppose new one is the only way out but any suggestions
welcome and where to find new one. Suspect most in breaker
yards are aged and cracked. Are the rebuild-able? Thanks.
Don B : '93 VDP Flamenco Red 191K : (ex-'88 Sovereign)
Franklin, TN, United States
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