Fuel Pressure Regulator Valve -N276-, REMOVING AND INSTALLING: Removing
Follow the guidelines for a clean working environment when working on the fuel system. Refer to CLEAN WORKING CONDITIONS AND FUEL SYSTEM WORK INSTRUCTIONS .
Always follow these instructions before and during work.
-- Remove the engine cover. Refer to ENGINE COVER, REMOVING AND INSTALLING .
-- Before removing, clean the threaded area around the fuel pressure regulator valve with a commercially available detergent. Dirt must not enter the hole in the fuel rail.
Clean carefully, cleaner must not enter the connector.
-- Dry the Fuel Pressure Regulator Valve -N276-.
-- Remove the banjo fitting for the fuel return lines.
-- Disconnect the connector from the Fuel Pressure Regulator Valve -N276-.
-- Loosen the union nut using the 30 mm Open End WrenchT10553 to do so counterhold on the housing hex fitting at the same time. Then remove it by hand.
-- Suction any dirt out of the hole, the threads and the sealing surface. Do not use mechanical tools.
Seal the hole in the fuel rail immediately with a plug to prevent dirt from entering.