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#1
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77 300D Cruise Control
Anyone have any experience with the cruise control on the early W123, can on left front wheel well? Think mine has a bad diaphram, any help, thoughts?
Ron |
#2
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I went through mine a few months back - tested everything and it turned out to be the amplifier. The 'can' should hold a vacuum - pull about 15-20 psi with a mighty vac and see if it holds - you should be able to see it pull and hold the throttle open thru the cruise control cable. If I remember right I had to run 12 volts to the connector - from the battery - to turn the cruise on, and then I pulled the vacuum. It should hold. You can also undo the screws and take a peek at the rubber diaphram - not hard to get to.
Ryan
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RG Newell 1984 300D 1972 250 1986 560SL 1991 300CE |
#3
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Ryan thx
Ron |
#4
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123 and 107 and 124 and and.....are notorious for failed CRUISE CONTROL......If unless you have big pockets, live without it!
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on my 123 the cruise works fine until you roll the window down. then it kicks it out of cruise. What's the deal?
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1980 300d on veggie |
#6
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Quote:
Do these vac. cannister type have a cruise amp? It appears similar to the style on my '79 Chevy PU.
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Jimmy L. '05 Acura TL 6MT 2001 ML430 My Spare Gone: '95 E300 188K "Batmobile" Texas Unfriendly Black '85 300TD 235K "The Wagon" Texas Friendly White '80 240D 154K "China" Scar engine installed '81 300TD 240K "Smash" '80 240D 230K "The Squash" '81 240D 293K"Scar" Rear ended harder than Elton John |
#7
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My cruise works great - I bought a rebuilt amplifier (which I have discovered is usually the problem) from a company in Georgia for a reasonable price and it has worked fine since - link below.
http://www.benz-store.com/index.htm Ryan
__________________
RG Newell 1984 300D 1972 250 1986 560SL 1991 300CE |
#8
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Quote:
__________________
Jimmy L. '05 Acura TL 6MT 2001 ML430 My Spare Gone: '95 E300 188K "Batmobile" Texas Unfriendly Black '85 300TD 235K "The Wagon" Texas Friendly White '80 240D 154K "China" Scar engine installed '81 300TD 240K "Smash" '80 240D 230K "The Squash" '81 240D 293K"Scar" Rear ended harder than Elton John |
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