cruise control servo diap, looking forward to repro it
#1574424
02/05/14 12:43 PM
02/05/14 12:43 PM
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Joined: Aug 2007
Posts: 6,095 Valencia, España
NachoRT74
OP
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Valencia, España
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Does somebody knows where to find a replacement? two servo units in hands, both with broken diaphragm
Last edited by NachoRT74; 03/04/14 04:41 PM.
With a Charger born in Chrysler assembly plant in Valencia, Venezuela
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Re: cruise control servo diaphragm
[Re: NachoRT74]
#1574425
02/06/14 12:13 PM
02/06/14 12:13 PM
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Joined: Aug 2007
Posts: 6,095 Valencia, España
NachoRT74
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it seems, nobody here is interested on fix their CC if broken LOL, just power and tracks LOL
With a Charger born in Chrysler assembly plant in Valencia, Venezuela
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Re: cruise control servo diaphragm
[Re: moparfan53]
#1574429
02/06/14 07:02 PM
02/06/14 07:02 PM
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Joined: Aug 2007
Posts: 6,095 Valencia, España
NachoRT74
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nice thread but these ones can't be fixed, need a new diaphragm
and on thread says NOS and used are easy to come by? tell me where and AFFORDABLE!
last ones NOS came out on ebay over $200
With a Charger born in Chrysler assembly plant in Valencia, Venezuela
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Re: cruise control servo diaphragm
[Re: NachoRT74]
#1574431
02/06/14 11:11 PM
02/06/14 11:11 PM
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Joined: Dec 2003
Posts: 1,058 Dallas, Texas
FC7cuda
super stock
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super stock
Joined: Dec 2003
Posts: 1,058
Dallas, Texas
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I have several of the servos, is there a way to test the diaphragm?
Thanks Tom
68 Charger 70 Cuda
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Re: cruise control servo diaphragm
[Re: gtx6970]
#1574434
02/07/14 11:50 AM
02/07/14 11:50 AM
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Joined: Aug 2007
Posts: 6,095 Valencia, España
NachoRT74
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while I'm agree they could never got serviceable parts, I guess must be around some ppl/shops who rebuilds diaphragms, because servo control is not the only part of the car what it works with vacuum.
i.e.: 68/69 headlight doors actuators, A/C actuators, Big truck brakes systems, Mercedes 116 door lock actuators ( is my case too LOL ), and lot of etcs...
then add to these, lot of medical tools or devices
With a Charger born in Chrysler assembly plant in Valencia, Venezuela
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Re: cruise control servo diaphragm
[Re: NachoRT74]
#1574435
02/07/14 04:12 PM
02/07/14 04:12 PM
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Joined: Jan 2003
Posts: 25,817 Rio Linda, CA
John_Kunkel
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Posts: 25,817
Rio Linda, CA
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Service parts must have been available at one time because rebuilts were available from NAPA years ago. (NAPA # ECHCCR6085)
The INTERNET, the MISinformation superhighway
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Re: cruise control servo diaphragm
[Re: John_Kunkel]
#1574436
02/07/14 05:02 PM
02/07/14 05:02 PM
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Joined: Apr 2007
Posts: 2,918 Calgary, Alberta Canada
a12rag
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I have always added the factory cruise unit to anything I got, that did not have cruise . . . kept going through the wrecking yards for the components : Servo, Servo bracket, lost motion link on the carburator, wiring - including brake switch and turn signal stalk switch . . .
Have quite a few of the servo's that didn't work when I tried them. Never thought of taking them apart. You could get the cable as a service item . . . as for the rubber diaphram - if it does have a hole, then why not fix using a rubber patch ??? I am pretty sure most of the electrical stuff, held up well on the servo's, so it would probably be just the rubber diaphram issue ??? . . .
Mark
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Re: cruise control servo diaphragm
[Re: convx4]
#1574439
02/08/14 01:33 PM
02/08/14 01:33 PM
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Joined: Jan 2003
Posts: 21,073 Niles , Ohio
therocks
oh wait.but hey.lets see.oh yeah.
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oh wait.but hey.lets see.oh yeah.
Joined: Jan 2003
Posts: 21,073
Niles , Ohio
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I might have some at the old garage.I pulled a lot of stuff from my Imperials that I scraped.I have to wait for warmer weather though.I dont like going up in the attic till its warm.Rocky
Chrysler Firepower
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Re: cruise control servo diaphragm
[Re: NachoRT74]
#1574442
02/10/14 12:05 AM
02/10/14 12:05 AM
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Joined: Jan 2006
Posts: 704 USA
rftroy
super stock
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super stock
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Posts: 704
USA
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Quote:
I guess sucking throught the hose and checking the diaphragm moving... or not
So you don't make a wrong diagnosis, you can't test the diaphragm by putting vacuum on the tube. There is an internal vacuum release valve that prevents vacuum from building up until, 1. The electrical circuit is activated, and 2. The input rotational speed of the speedo cable is about 25 mph.
You could, conceivably, hook up the electricals, and rig some way to turn the speedo input, while applying vacuum. Just be careful that you don't rotate it too fast or you will grenade the insides. I've never needed to do this on the few that I have repaired, but I wouldn't recommend using a drill motor.
I have the factory speed control manual, which has pictures and gives a thorough description of operations, but it is a 21Meg zip file. I will try and find the link from which I downloaded it and post it later.
Robert
AAR 4-speed 3.91, Tor-Red; 70 440 6 pack Roadrunner 4-speed 3.54, Plum Crazy; 68 Formula S conv 383 4-speed 3.23, Electric Blue; 69 Barracuda conv Slant 6 OD4 2.94, 71 B5 Blue; 78 Lil' Red Truck, Red; 70 Challenger S/E. 505 6 pack, Passon 5-speed, 3.55, B7 Blue
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Re: cruise control servo diaphragm
[Re: rftroy]
#1574443
02/10/14 12:23 AM
02/10/14 12:23 AM
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Joined: Jan 2006
Posts: 704 USA
rftroy
super stock
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super stock
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Posts: 704
USA
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Found it! http://www.imperialclub.com/Repair/Lit/Master/index.htmGo most of the way down the page to 1972. It is the "Speed Control and Concealed Headlights" manual. Some very cool stuff on this site. Robert
AAR 4-speed 3.91, Tor-Red; 70 440 6 pack Roadrunner 4-speed 3.54, Plum Crazy; 68 Formula S conv 383 4-speed 3.23, Electric Blue; 69 Barracuda conv Slant 6 OD4 2.94, 71 B5 Blue; 78 Lil' Red Truck, Red; 70 Challenger S/E. 505 6 pack, Passon 5-speed, 3.55, B7 Blue
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