Audi 90 Fuel Pump Replacement

20 May 2015 | Author: | Comments Off on Audi 90 Fuel Pump Replacement
Audi 90

Questions and Answers

Audi 90 Pump Replacement

Q. Hi, can you send me about how to remove and replace a pump of a 1993 Audi 90 or at can you tell me where the fuel is located, because I follow the lines from the injectors to the cannot find it. I will be appreciated.

Thank you.

A The fuel pump is inside the tank. But the good news is you do not to drop the fuel tank to it. here’s how you do it.


Insure you the radio security code if the is so equipped.

Disconnect battery cable.

Remove screws and gauge sender cover under luggage compartment then disconnect fuel and pump electrical connector outer side of flange

Wrap fuel lines in a shop towel, then open fuel lines to off residual pressure, then fuel lines.

Using nut tool No. 3217, or equivalent, nut from flange assembly and tank. Note position of marks on tank and flange for assemble.

Disconnect fuel lines and connector from inner of flange assembly.

Remove level sender by pressing catch on side of sender then lifting sender tank.

Insert fuel wrench tool No. 3307, or through tank opening and on inner part of surge

Rotate inner part of housing approximately 150and out fuel pump.

Install fuel pump upper section of surge so that notch C aligns mark A on upper part of Fig. 26.

Apply fuel wrench tool No. 3307, or and rotate upper section of to right stop. Align C and B.

Audi 90

Push fuel return (1), Fig. 27, onto assembly until clamp to flange pin.

On FWD models, fuel sending unit connector (2), to inner of flange assembly so that lies over fuel line and does not interfere level sensor operation, 27.

On AWD models, connect fuel unit harness connector (2) to assembly so that wiring over fuel RETURN and does not interfere with sensor operation.

Install assembly to tank, note marks, then install nut and tighten using collar nut tool No. 3217, or equivalent.

Install fuel lines and connector to outer side of assembly.

Install fuel sender cover located luggage compartment trim.

battery ground cable.

Information provided courtesy of

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