You need to take off the air cleaner assembly to replace the windshield washer solvent container when working on the engines lk5 or l52. Unfasten the two washer container fasteners from the fender flange while also withdrawing the Coolant Reservoir wheelhouse bolt. Lift the container up to undo and remove the electrical connector from the Washer Pump before taking off the washer hose from its spout. You need to untighten the hose clips from the fender flange unit and take the washer solvent container / coolant recovery reservoir out of the engine bay space while capturing washer solvent and engine coolant into separate storage. Set the reservoir on a clean workplace while you take off the coolant container overflow hose, radiator Coolant Reservoir Cap, windshield washer tank cap, radiator coolant to reservoir hose, and windshield Washer Pump and lower grommet install the washer solvent container / coolant recovery reservoir on your workbench besides installing all component parts like the coolant overflow hose, tank cap, washer container cap, fuel mixture hose, washer pump with new grommet and washer container lower grommet with clean washer solvent. Set the new reservoir next to the engine and link the washer hose to the Washer Pump where it requires a power connection before attaching the coolant recovery hose clips to the fender flange. Fasten the washer container to fender flange anchors (1,2) at 9 nm torque using torque wrench and join the coolant recovery reservoir to wheelhouse position with 9 nm torque setting. Place the new air cleaner assembly over its engine slot while also filling the washer solvent container with valid washing fluid before putting fresh engine coolant into the coolant system as per factory directions. Test the washer system for leaks and seal the hood at last step.