Scott, Do you have any theory as to why washing the engine made the CC work properly? I do not believe in coincidences.
On Mon, Oct 6, 2008 at 10:44 PM, Scott Ritchey <[EMAIL PROTECTED]> wrote: > It's probably the amp but could be bad connections. I had a similar > problem > on my 82 300SD that turned out to be a dirty connection on the back of the > speedo assembly that sent the speed signal to the amp. I'd be inclined to > try contact cleaner on all the cc connections before trying something hard > or expensive. > > Scott > > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] > On Behalf Of andrew strasfogel > Sent: Monday, October 06, 2008 14:39 > To: Mercedes Discussion List > Subject: [MBZ] Cruise control mystery, W123 300TD > > Here I goeagain. > > My W123 1983 300td cruise control worked fine on our trip to Montpelier, > but > after we got back it started acting sporadically. For example, the CC > switch on the steering column would not engage the cruise but would > accelerate the car when pressed upwards. When I released it, the speed > would drop back and not engage. I purchased a supposedly good used (not > rebuilt) CC amplifier on ebay with a DOA warranty, but after installing it > on Saturday and doing a road test I had ZERO CC effect - not even > accelerating through use of the switch. I concluded that the unit was even > more faulty than the one it replaced, but to make sure, I swapped out the > CC > servo under the hood for another one off the shelf (supposedly good). The > road test yielded identical results. > > Here's the weird part. I spent a couple hours Sunday spraying oily areas > on > and under the hood with Simple Green, then scrubbing and spraying with a > hose to remove a lot of residual oil from when the PO lost all engine oil > through ruptured oil cooler lines. As the paint started to show through > all > the grime, I also scrubbed the CC servo with Simple Green. Basically, the > entire engine compartment got wet, although I didn't do a complete and > systematic engine wash. When I drove the car out of the garage, through > the > alley, and back to its parking palce in front of our house, I tested the > CC. Guess what? It now works! WTF cubed. How did water have any effect > on the workings of the system? > _______________________________________ > http://www.okiebenz.com > For new parts see official list sponsor: http://www.buymbparts.com/ > For used parts email [EMAIL PROTECTED] > > To Unsubscribe or change delivery options go to: > http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > > > _______________________________________ > http://www.okiebenz.com > For new parts see official list sponsor: http://www.buymbparts.com/ > For used parts email [EMAIL PROTECTED] > > To Unsubscribe or change delivery options go to: > http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > _______________________________________ http://www.okiebenz.com For new parts see official list sponsor: http://www.buymbparts.com/ For used parts email [EMAIL PROTECTED] To Unsubscribe or change delivery options go to: http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
