I have a '84 Chevy Celebrity wagon with a Rochester E2SE computer
carb in it. The carb has never been rebuilt and has the original mixture
control solenoid in it. About 2 months ago the car started having problems
with surging, backfiring, etc. at part throttle. I replaced the usual tune
up stuff, plug wires, cap and rotor, and it seemed to fix it, then a couple
weeks later it started acting up again. After more tearing my hair out
running tests from the service manual which all came up fine, I pulled the
MC solenoid and found that the viton tip had fallen off and was jammed in
I was fortunately able to find another MC solenoid in a wrecking yard for
had an intact tip, and replaced it and everything is fine again.
The problem is that the replacement was the same as the one I have - it's
damn rubber tip. Since it too is 20 years old I'm quite sure that it's
going to break off
same as the other one and I'm going to have the same problem all over again.
The research I've done tells me that apparently the aftermarket
solenoids now have a steel tip that doesen't have this problem. However, a
from NAPA is $170.00!!!
Now, when I was in the parts store talking to the guy he said that he
happened to have a tip repair kit on the shelf for these solenoids. He said
that it was a special order years ago and was never picked up, and the
company that makes them quit making them, and he wouldn't guarentee it would
My question to the group is have you ever used one of these and do they
It doesen't seems as though the MC solenoid can come apart to get at the tip
the end on it.