Is it bad to replace vacuum line on Mercedes 300D?

Is it bad to replace vacuum line on Mercedes 300D?

The vacuum lines become old and brittle with age and can cause all sorts of gremlins from door locks to engine shut off. Fortunately the vacuum system is (relatively) easy to diagnose and repair. Vacuum lines, elbows and T’s are easy to replace. Even if the vacuum pump is worn out, it’s not a bad repair.

What should I know about my Mercedes 300D?

Good compression is paramount on a diesel engine. These cars use vacuum extensively. The vacuum lines become old and brittle with age and can cause all sorts of gremlins from door locks to engine shut off. Fortunately the vacuum system is (relatively) easy to diagnose and repair.

How can I tell if my Mercedes 300d is rust free?

Start with a vehicle that has a rust free body and under carriage. Next, run a compression test on all five cylinders. Good compression is paramount on a diesel engine. These cars use vacuum extensively. The vacuum lines become old and brittle with age and can cause all sorts of gremlins from door locks to engine shut off.

How much does it cost to repair a Mercedes 300D?

Plan on spending about $500 if the cruise control isn’t working correctly. Also, be aware that they require valve adjustments every 15K miles (about $150 each). Expect to spend in the $5-10K range for a good driver (not a show car), and don’t be surprised if it costs you about $1000 per year for the usual “old car nits.”

The vacuum lines become old and brittle with age and can cause all sorts of gremlins from door locks to engine shut off. Fortunately the vacuum system is (relatively) easy to diagnose and repair. Vacuum lines, elbows and T’s are easy to replace. Even if the vacuum pump is worn out, it’s not a bad repair.

Good compression is paramount on a diesel engine. These cars use vacuum extensively. The vacuum lines become old and brittle with age and can cause all sorts of gremlins from door locks to engine shut off. Fortunately the vacuum system is (relatively) easy to diagnose and repair.

Start with a vehicle that has a rust free body and under carriage. Next, run a compression test on all five cylinders. Good compression is paramount on a diesel engine. These cars use vacuum extensively. The vacuum lines become old and brittle with age and can cause all sorts of gremlins from door locks to engine shut off.

Plan on spending about $500 if the cruise control isn’t working correctly. Also, be aware that they require valve adjustments every 15K miles (about $150 each). Expect to spend in the $5-10K range for a good driver (not a show car), and don’t be surprised if it costs you about $1000 per year for the usual “old car nits.”

Can a Mercedes 300D diesel be taken care of?

If you can find one that has been taken care of, sure. Definitely take it by your Mercedes mechanic and get it checked out before buying. It seems like every 300 diesel that I see has a black streak up the back and a perpetual cloud floating behind it.

Is the Mercedes 300D Turbo a good car?

The 300D turbo diesel is, in my opinion, the pinnacle of the 123 line. At it’s core is it’s basic engineering and it’s simplicity. These cars do not have all the whiz bang technology of the later models. Just a rock solid body and engine combination that can easily last a half million miles with basic maintenance.

Are there any problems with a Mercedes vacuum pump?

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.

How many miles does a 1979 Mercedes 300D have?

The W123 300D has long had a reputation for longevity and operating economy. This particular example, a 1979 300D, displays 194,000 miles on the odometer. It is common to find these cars with an unfaithful or completely dead odometer but this one seems to be fairly accurate.

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.

What’s the odometer on a 1979 Mercedes 300D?

This particular example, a 1979 300D, displays 194,000 miles on the odometer. It is common to find these cars with an unfaithful or completely dead odometer but this one seems to be fairly accurate. The body shows some rust behind the front wheels, a common place for rust to start; replacement fenders are available (though by no means cheap).

What should I do if my heater is not working?

If your heater’s controls seem to be faulty, first unplug the unit and plug it back in to see if that resolves the issue. Next, check the heater’s thermostat (if it has one) and make sure it’s set to the correct setting. Try resetting it to see if that fixes the problem.

Why is my central heating system not working?

Central Heating Problems. Problem: Certain parts of the house are not heating If your heater is unevenly distributing heat throughout your home, your issue could be attributed to two primary things: dirty air filters and inadequate ductwork. Check your air filters for dust and debris and change them accordingly.

Why is my air conditioner not heating my house?

Problem: Certain parts of the house are not heating. If your heater is unevenly distributing heat throughout your home, your issue could be attributed to two primary things: dirty air filters and inadequate ductwork. Check your air filters for dust and debris and change them accordingly.

Why are my shift controls leaking in my Mercedes?

You CAN do this yourself if you have the right information and equipment! High Mileage and age can raise havoc on the shifting patterns of an automatic transmission. Even if the fluid has been changed on a regular basis, they still wear out. Seals harden and leak both internally and externally. Vaccum and cable shift controls leak and fail.

What are the problems with a Mercedes automatic?

Particularly on diesel automatics, an external control component or loss of vacuum could be the problem. Kent has developed a number of kits and manuals that will help you solve your transmission woes. As diesel automatics age the problems become more complex and the solutions more challenging.