To remove and install the fuel pump on Audi. Using the wrench, turn inner section of surge housing approx 15 degree to the left up to the stop and withdraw fuel pump assembly complete with the inner housing section. Applicable: Audi 90, A4, S4, A6, S6, RS6, and VW Passat. VW#: 3307. Please also check our ebay store:http://stores.ebay.com/topautotoolsClick here to visit our ebay store! We Accept PayPal .