What kind of vacuum does a Mercedes Benz use?
The Mercedes Benz diesel uses a bleed off system to regulate the amount of vacuum supplied to the transmission’s vacuum modulator. This variable vacuum system regulates the 722.118 series transmission shift.
Is the Mercedes-Benz 300d a diesel car?
Are these mercedes diesels like those S-class and BMW 7 series from the late 90s-early 2000s, in that they look nice, but you will go to the poorhouse with all the maintenance costs? I’ve always wanted a diesel, and the only thing that put me off from the 300SD was the tank-like sound of the engine running.
What was the price of a Mercedes 300D in 1978?
The price tag for a new 300D in 1978 was $20,911. That’s close to 75 grand in 2013 bucks, for a slow car that was reasonably luxurious but utterly bling-free. This one made it to just 216,623 miles during its 35 years on the planet. Not bad, but a bit low for one of these cars.
What to do if your Mercedes vacuum pump fails?
Typical Mercedes diesel vacuum pump. They are very reliable and easy to rebuild if need be. The most common failure is the check valve and internal diaphragm. The very first thing I do is make sure we have a constant supply of vacuum. Disconnect the main fitting going to the brake booster while the engine is running using a 19mm wrench.
Where is the vacuum pump on a Mercedes Benz?
When diagnosing leaks in the Mercedes vacuum system, a vacuum pump with gauge is mandatory or should you have a smoke machine on hand, that would be the ultimate way to go. First, start by checking the vacuum tanks for leaks. One is located directly under the front fender on the passenger side above the wheel (LHD).
What’s the black line on a Mercedes vacuum?
The black line supplies the vacuum reservoir tank. Please note that you need to check the green line with the yellow stripe. This line is the most common line to have multiple leaks due to all the dash pod units controlling the HVAC system. If it leaks, just plug it off for now.
What kind of vacuum does a Mercedes 450SL have?
I developed the following digram for the 1975 R107 Mercedes-Benz 450SL so I would have a complete guide should anything go wrong after the car is put back together. This digram does not show the engine vacuum.
What does green vacuum dashpot on Mercedes mean?
Next is the green vacuum dashpot for the transmission. This is simply a metering device to supply the correct vacuum to the transmission switch. If the dashpot is leaking or not functioning, then transmission shifting can be very rough and erratic.