Where are the fuel pumps located on a Mercedes 500SL?
On our 500SL and SL500 Mercedes Benz uses two identical fuel pumps attached in series to provide adequate fuel pressure and fuel volume to the fuel injection system. These two external fuel pumps are mounted underneath the car, just in front of the differential on the right side.
How do you remove a fuel pump from a car?
Loosen the hose clamp and remove the fuel return line hose from the pressure regulator that is part of the fuel pump assembly. You can now remove the fuel pump assembly from the car and place it on a metal tray to catch any leaking gasoline and you can work on the assembly now.
Where are the fuel pumps on a pelican?
Lift the fuel pump assembly and attach the four rubber hangars that suspend the fuel pumps assembly under the body of the car. Install and tighten the large feed line from the fuel tank and the fuel output line on the filter. Turn on the ignition and crank the engine.
On our 500SL and SL500 Mercedes Benz uses two identical fuel pumps attached in series to provide adequate fuel pressure and fuel volume to the fuel injection system. These two external fuel pumps are mounted underneath the car, just in front of the differential on the right side.
How do you remove a lower fuel pump?
To remove the lower pump you need to remove the metal line that connects the lower fuel pump to the filter and the pressure regulator. Remove the 17mm banjo bolt (green arrow) on the filter and the 17mm fitting (yellow arrow) on the fuel pressure regulator. Move the line out of the way.
How do you remove fuel from a pelican fuel pump?
Begin by clamping off the feed line to the pump (or gas will run all over). Loosen the Phillips head hose clamp (green arrow). The clamp may be a different style if it has been previously replaced. Slowly pull the hose off of the fuel pump. Fuel is going to come out of this hose and the pump.
What to do if your Mercedes SL Class R129 is running rough?
Check your charging system. If your engine is running rough and misfiring you may need to change your cap, rotors and wires. If your valve cover gaskets are leaking we will show you how to replace them. Engine running lean/rough. Maybe you have a vacuum leak. If you engine is only running on one bank of cylinders you may have a bad coil.
What kind of fuel pump does a Mercedes 500SL use?
In order for any fuel injected four stroke engine to run the fuel injectors must be supplied with fuel pressure. On our 500SL and SL500 Mercedes Benz uses two identical fuel pumps attached in series to provide adequate fuel pressure and fuel volume to the fuel injection system.
When did the Mercedes SL500 R129 go away?
They used a little less fuel than the first four speed automatic SL500s. By 1996 the new 5 speed transmission increased the fuel economy of the V8 SL500 to within 1 or 2 MPG of the SL320, thus the SL320s went away in 1998. Today you can get a beater early 1990’s 300SL for about $10,000.
What was the best thing about the Mercedes SL500?
They lost of one of the best things about the SL: the smooth unlimited power of the V8. They used a little less fuel than the first four speed automatic SL500s.
To remove the lower pump you need to remove the metal line that connects the lower fuel pump to the filter and the pressure regulator. Remove the 17mm banjo bolt (green arrow) on the filter and the 17mm fitting (yellow arrow) on the fuel pressure regulator. Move the line out of the way.
Where to check for no start fuel pump?
The first thing you want to do is check the fuse panel to see if the fuse is blown. If your car has two fuse panels than the one in the engine compartment; should be the correct one to check. The fuse panel or circuit box is usually located near the battery; and is a small black box with a removable lid.
What happens when there is no fuel in the fuel pump?
This also verifies that the engine has no fuel pressure. Electric fuel pumps on electronically controlled fuel injection systems need to produce enough “high” pressure to allow the injectors to produce a sufficient spray of atomized fuel into the intake path (or into the combustion chamber in a direct-injection system).
What kind of engine does a 1990 500SL have?
500SL: 1990 500SL Car is not driven a lot, garaged covered. I have a 1985 Mercedes 380sl that idles rough It is idling between 500 and 800 rpm.
Can a 1992 Mercedes Benz 500SL start without gas?
1992 Mercedes Benz 500SL. Car won’t start without putting a little gas in intake. Will keep running as long as your foot stays on the gas pedal … read more 1991 500sl, I don’t drive it much maybe at best once a week. 1991 500sl, I don’t drive it much maybe at best once a week. The last time out I notice it is running rough.
Begin by clamping off the feed line to the pump (or gas will run all over). Loosen the Phillips head hose clamp (green arrow). The clamp may be a different style if it has been previously replaced. Slowly pull the hose off of the fuel pump. Fuel is going to come out of this hose and the pump.
Who are the fuel distributors for Mercedes Benz?
CIS Fuel Distributors by Bosch. Rebuilt, Remanufactured fuel distributors. Mercedes-Benz fuel distributor, Porsche fuel distributor, DeLorean fuel distributor, Volvo fuel distributor & SAAB.
Is there a core charge for a fuel distributor?
If the cases are broken or cracked, parts missing and extra labor would have to be added to repair the unit, then they are not considered a re-buildable core and the core charge is not refundable or it will be applied. $250.00 minimum on warm up regulators and fuel distributors. Core charge is applied to new units if they are out of production.
Where to put a distributor on an engine?
To make it a little easier to install the new distributor, it’s a good idea to mark a location on the outside of the distributor housing where the distributor is mounted to the engine. Choose a spot for which you can find a corresponding location on the new distributor.
What should I change in my fuel distributor?
I changed Lead wires, Plugs, Fuel injectors and seals, Breather pipes, OVP relay fuse, Changed oil (This Bizol… not convinced about it, i am switching back to Shell Helix on the next change), New Oil Filter and New Fuel filter.
How to rebuild a fuel distributor / metering unit?
I don’t have step by step photos but i have enough to show my progress, the CIS pdf in the dropbox has detailed steps. The first step is to clean the outside throughly before you open it, you don’t want any dirt from the outside of the unit getting inside. I used engine degrease and carb cleaner to get all the dirt off. Sparkling!
Is the Bosch fuel distributor on a W124?
The infamous Bosch Fuel Distributor, the one part that scares every W124 owner, it is one of the few components that will ground the usually solid and reliable 4 cylinder M102 engine.
How to replace the fuel pump on a 1989 Mercedes Benz?
300E Fuel Pump Replacement How To 1989 Mercedes-Benz – YouTube A video showing how to replace the fuel pumps on a w124 300eMy car would sputter and stall intermintentlyYou can tap on the fuel pumps with a hammer to see i…
Which is better dual fuel pump or parallel fuel pump?
If it is set up properly, a series dual fuel pump system can deliver higher pressure, while a parallel system may provide a higher volume of fuel. Some race teams will install a fuel pump pickup and a dedicated fuel pump on each side of a fuel tank or fuel cell.
How do you install a fuel pump on a pelican?
Install the lower pump first and then the metal line that connects the fuel pump to the fuel filter and the fuel pressure regulator. Position the black plastic spacer and install the upper pump and connect the line with the rubber end to the lower pump and the metal banjo fitting on the upper pump.
Where are the fuel pumps on a Mercedes Benz?
It is a good idea to change your pumps at the first signs of it going bad (trouble starting). The W201 fuel pumps are located on the underside of the car, behind the rear driver side seat. You will need to safely lift and support your car. Please see our article on jacking up your Mercedes-Benz.
What to use to replace fuel pump in Mercedes 190E?
Use two 17mm wrenches to remove the banjo fittings. Hold the filter with one wrench while turning the fitting with the other. A Phillips head screwdriver is used to loosen the hose clamp. Make sure you pay attention to the electrical connectors when installing. There is a definite positive and negative on each pump.
When do you need to change your fuel pump?
Your fuel pumps are an integral part of the fuel delivery system. A clogged or faulty pump can cause all kinds of problems, from a rough running engine to leaving you stranded on the side of the road. It is a good idea to change your pumps at the first signs of it going bad (trouble starting).
Is it good idea to replace fuel pump hangers?
It is a good idea to replace the rubber hangers (yellow arrows) that hold the fuel assembly when you are replacing the pumps. They get old, dry out and crack. They are not expensive and are a good insurance against a failure. One of ours on the project car was ripped through and two others where about to let go (insert lower left).