1984 Mecedes-Benz 380Sl Fuel Injectors Installation Instructions

The Mercedes Benz 380SL is a mid-size sedan that was in production from 1981 to 1985 in the United States. The 1984 model had an eight-cylinder 3.8-liter engine with fuel injection. Each cylinder in the engine receives a specific quantity of fuel from its fuel injector at a precise point in the cylinder's compression cycle. The installation procedure for fuel injectors in a 1984 Mercedes Benz 380SL also requires you to bleed the fuel system.

Tools Used: Socket wrench set, Flare nut wrench, Screwdriver, Hand pump

Install Fuel Injectors

Disconnect the negative battery terminal with a socket wrench to prevent the accidental discharge of fuel during the procedure. Remove the fuel line and the fuel overflow tubes from the fuel injectors with a flare nut wrench.

Turn the each fuel injector counterclockwise with a socket wrench, and remove the injector from the cylinder head. Discard the washer for the fuel injector.

Mount a new washer onto each fuel injector. Install the new fuel injector to its cylinder head with a socket wrench.

Connect the fuel overflow tubes and the fuel line to the fuel injectors with a flare nut wrench.

Open the bleed screw on the fuel rail with a screw driver, and attach the hose for a hand pump to the bleed valve. Evacuate the air from the fuel rail with the pump, and tighten the bleed screw.

Connect the negative battery terminal with a socket wrench. Start the engine and check for fuel leaks.

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