Why is smoke coming out of my 450SL?
If you’re seeing different colored exhaust fumes from your 450SL, it’s time you pay attention to it and find the root cause of the problem. You may not see any warning lights being issued on your car’s onboard diagnostics but smoke coming out of the exhaust is a sign that something in the car is not functioning as it should.
What was the original name of the Mercedes 450SL?
They were initially called the 350SL. The vehicle that came equipped with a larger 4.5L V8 engine was later called the 450SL, renamed for the 1973 model. When the 450SL/SLC was launched in markets other than North America in 1973, the bigger V8 engine was also offered.
How often do Mercedes Benz 450SL AC units fail?
Except for the servo units in the automatic climate-control systems of the 1977-1980 450SLs, which seem to fail every three years, the air conditioners don’t break particularly often. “They just don’t cool well”.
How to install Mercedes Benz 107 SLC heat AC?
This kit comes with a new manual control valve, hose section, splice fitting, four German hose clamps, a 5 foot control cable and complete instructions on how to properly install this kit yourself. #2 Blower Motor Issues.
Except for the servo units in the automatic climate-control systems of the 1977-1980 450SLs, which seem to fail every three years, the air conditioners don’t break particularly often. “They just don’t cool well”.
What can cause a heater control valve to fail?
A heater control valve can fail in several ways. Since a vacuum operated valve defaults to the fully open heat-on position when vacuum isn’t applied, a loss of vacuum is the first thing to suspect in a “heat always on” condition. The loss of vacuum can be caused by a break in a vacuum line or a faulty vacuum switch.
What causes a vacuum to go out on a heater?
Since a vacuum operated valve defaults to the fully open heat-on position when vacuum isn’t applied, a loss of vacuum is the first thing to suspect in a “heat always on” condition. The loss of vacuum can be caused by a break in a vacuum line or a faulty vacuum switch. To repair a faulty switch, you sometimes have to replace the heater control.
This kit comes with a new manual control valve, hose section, splice fitting, four German hose clamps, a 5 foot control cable and complete instructions on how to properly install this kit yourself. #2 Blower Motor Issues.