13 53 540 

Warning!
The fuel in the fuel lines is under pressure (approx. 3-5 bar)!

Recycling
Catch and dispose of escaping fuel.
Observe country-specific waste-disposal regulations.

Version with hose clamps:

Release hose clamps.

Remove hoses (1) and (2).

Installation:

Fuel hoses and hose clamps must be replaced each time they are removed!

Version with compressed air connection:

Blow fuel back into tank with a short blast of compressed air (max. 3 bar) at compressed air connection (1).

Version, fuel hoses without integrated unlocking facility:

Unlock fuel hoses with special tool 16 1 050 and detach hoses.

Installation:

Check O-ring in fuel hose and sealing surfaces on fuel lines for damage; replace components if necessary.

Coat O-ring for assembly with anti-friction agent.

Version, fuel hoses with integrated unlocking facility:

Press fuel hose (1) downwards and keep pressed.

Press unlocking ring (2) upwards, keep pressed and detach fuel hose (1).

Installation:

Check O-ring in fuel hose and sealing surfaces on fuel lines for damage; replace components if necessary.

Coat O-ring for assembly with anti-friction agent.

M43, M44:

Cars with screw-mounted fuel feed line (2):

Follow installation instructions (1) and (2).

Installation instruction 1:

Always replace fuel hose (1) and hose clamps once they have been removed.

M43, M44:

Installation instruction 2:

Always replace O-ring. Coat O-ring with anti-friction agent.

Clean sealing faces of fuel feed line.

If necessary, replace fuel feed line. Tightening Torque, refer to Technical Data 13 53 4AZ.

Seal off fuel hoses:

Fuel hoses with hose clamps:

Seal hoses with special tool 13 3 010.

Installation:

Fuel hoses and hose clamps must be replaced each time they are removed!

Fuel hoses with quick-release couplings:

Seal fuel hoses (1) with special tool 13 5 281.
Seal fuel lines (2) with special tool 13 5 282.

Installation:

Check O-ring in fuel hose and sealing surfaces on fuel lines for damage; replace components if necessary.
Coat O-ring for assembly with anti-friction agent.