[W126 Coupe] 1991 560 SEC Fuel Pump Replacement

[Dick Spellman]

Henry Viveiros wrote:

> Has any of you replaced the fuel pump on a 1991 560 SEC?

> 

> The replacement I have doesn’t seem exactly like the one on the car. The 

> new one has a metal fitting at the outlet end that looks like it is for 

> a push-on for a soft hose. The one on the car seems to have some sort of 

> metal tubing going from the rearmost pump  to the innermost fuel pump 

> and I don’t know how it connects to the pump.

> 

> It seems to be crimped or pressed into the old pump. Maybe the outgoing 

> line is just pulled out of the pump and pushed by hand onto the ”barbed” 

> outlet of the new pump.

> 

> I don’t want to try to remove the old pump until I understand how to 

> disconnect the fuel line from the old pump and then connect the line 

> onto the new pump.

> 

> The software I have on the computer shows that I have the correct pump 

> (# 003 091 53 01), but the way the outgoing line connects to the pump 

> seems different.

> 

> Does anyone have any comments?

> 

>

Henry,

Its odd that there is no reference photo to the 126 chassis under 4750 
in the manual that I have.   But, there is the one image of chassis 201 
that looks to be similar to what I have seen on dual pump packages.

Take a look and see if it helps with your issue.

Dick