How to change the fuel pump on a Mercedes Benz?
Try Removing the pressure line from the filter on the feed side, then use a pump to pump the fluid out of the tank into a suitable container.) Make sure you depressure the system through the Schrader valve under the hood of the car. If you disconnect the lines under pressure you will spew gas all over the interior.
How to take fuel pump out of tank?
With the pump out of the fuel tank: remove the electrical connection (green arrow), supply line by squeezing the collar on the top and bottom of where it attaches to the pump (blue arrow) and return line (yellow arrow). Need to buy parts for this project? Click here to order!
When is the best time to replace a fuel pump?
When they fail completely, you will be left with an engine that doesn’t run at all. It is best to replace your fuel pump with the fuel tank drained. This reduces the amount of possible spilled fuel and fuel vapors. When replacing, work in a well ventilated area, working outdoors is a good choice.
Try Removing the pressure line from the filter on the feed side, then use a pump to pump the fluid out of the tank into a suitable container.) Make sure you depressure the system through the Schrader valve under the hood of the car. If you disconnect the lines under pressure you will spew gas all over the interior.
What should I do if my fuel pump is not working?
Usually, when you start your car the fuel pump gives off a slight buzzing sound signaling that it has started working. However, if there is any problem with the fuel pump relay the fuel pump will not respond at all and you will be left turning the ignition key again and again. If you experience such an ordeal, it is time to visit the mechanic.
What are the symptoms of a bad fuel pump relay?
A bad fuel pump relay can cause many different symptoms. Here are the most common ones The fuel pump relay is an important component of the fuel system of your vehicle. The fuel pump relay gives the fuel pump power when it is time to build up fuel pressure in the rail.
Where is the fuse on a Mercedes-Benz W203?
Twist screws (1) 90° counterclockwise. Slide-out retainer (3) and remove the cover by pulling towards the front. Install cover (2) in reverse order. It is on the left-hand side of the trunk. Japan version: VICS+ETC voltage supply separation point.
Where are the fuses on a Mercedes medic?
Fuses 21-42 are located at the side of the dash. On the driver side. Fuses 1 through 20 are located in the trunk. Fuses 43-63 are located under the hood. Near the hood hinge on the driver’s side. Take a look at the pictures for the exact location.
What happens when a Mercedes Benz fuse is blown?
If a fuse has blown, the inside element will be melted. Blown fuses must be replaced with fuses of the same rating, which you can recognize by the color and value.
What is the problem with the Mercedes C280?
Just like the image on your computer screen, the C280’s interior is completely two dimensional. The main problem: most of the buttons bunk together in the black plastic condominium complex in the middle of the dash. It’s a shame that the slab of plastic is so huge, because many units remain un-rented.
What’s the fuel pressure on a Mercedes Benz?
A great and affordable gauge that we have used in the past is this Actron Fuel Pressure Gauge which works on Mercedes-Benz cars. Turn the engine off and connect this gauge to the Schrader valve test port shown in the picture below. Start the car and you should be able to get around 60 psi.
Fuses 21-42 are located at the side of the dash. On the driver side. Fuses 1 through 20 are located in the trunk. Fuses 43-63 are located under the hood. Near the hood hinge on the driver’s side. Take a look at the pictures for the exact location.
What do I need to troubleshoot my Mercedes Benz?
Troubleshooting fuel related problems is not very difficult and you can check the fuel pressure yourself. Checking the fuel pressure is very simple. For this test, you will need a fuel pressure gauge. What you need is a fuel pressure gauge with Schrader valve adapter.
What causes a Mercedes Benz to not start?
In most cases you will get a fault code related to one of the following: 1 ECM / PCM computer failure 2 Camshaft position sensor 3 Shifter Selector module 4 Fault codes related to driver authorization or immobilizer 5 Electrical problems
What happens when you replace your fuel pump?
A faulty fuel pump can cause poor engine performance and hard starting problems. When they fail completely, you will be left with an engine that doesn’t run at all. It is best to replace your fuel pump with the fuel tank drained. This reduces the amount of possible spilled fuel and fuel vapors.