W123, SVO/WVO parts

Vacumum lines have oil

I have a 1980 123 300D non turbo, shut down was acting slightly slow after testing nothing appears to be leaking and pump is producing a strong 23psi, upon testing fuel shutoff valve it shut off under two pumps from mitivac, after testing and re-connecting shut down is excellent but lines are coated with oil. so 2 questions here: 1) is there any way to clean out the hard lines without completely replacing and only replacing the rubber connectors?

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Diesel Engine Specific Aid

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Chassis Model Number

W123

300TD Losing Power at Altitude

I was driving to go skiing in my 1985 300TD wagon. The car, as always, ran like a champ. When I got to the road to the ski resort at 6,000 feet, the car lost power. You could stand on the accelerator and hear a whining noise from the turbo, but the car would barely go. When we left, as soon as I got below 6,000 feet again the car ran like a champ. The next morning we drove to the resort again, same thing. What would cause this and how can I fix it? Bill Brewer Tehachapi, California

Chassis Model Number

W123

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Body and Interior Specific Aid

Which manual transmission fluid?

OK, I am working on fixing up my old 1983 240D, I was thinking about changing the manual transmission oil, due to the fact that I have no idea if its ever been done. What type of fluid can be used? The manual I have says Type A automatic trans fluid, which I don't remember seeing in the stores. I saw a listing on ths site for 2 liters synthetic of gear oil. Is that compatable? Even though the manual says ATF type A? Thanks for your help!

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Body and Interior Specific Aid

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Chassis Model Number

W123

123 power window issues

Hey, I have a 1982 240d and am having some problems with my power windows. First, on the back driver side window, will go down, but it will not come back up, and on the back passenger side, the window goes up and down, but it goes really slow. Any suggestions? Also if anyone knows of any place in Washington state that I could get parts for my mercedes, it would be very appreciated. Thanks.

Chassis Model Number

W123

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Body and Interior Specific Aid

240D Speedometer Inaccurate

Hello, I have a 1983 240D, manual transmission. The Speedometer seems to read about 8 - 12 miles slower than the real Speed. The wheels on the car are OE. I have had the car since about 130,000 miles. It now has 150,000. The previous owner said this has been a long running issue that they never bothered to look into. I get confused sometimes at my real speed (especially if the police are behind me!). Any tips on what I should do? Replace cable? Or replace Speedometer? Thanks!

Chassis Model Number

W123

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Body and Interior Specific Aid

Diesel cigar shaped fuel hose

Hello forum, I have just purchased a 1981 300D - non turbo, 100,000 original miles and I am hoping to run Biodiesel, not svo/wvo. In looking over the fuel lines, my mechanic told me that the thick bloated looking line immediately before the canister fuel filter was that shape as a "damper". I haven't seen any kind of chem resistant hose in that odd shape. Is there a specific replacement for this piece or will other hoses serve the same function? Thanks, Dave

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Diesel Engine Specific Aid

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Chassis Model Number

W123

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