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Gr. 50 ; Noise Insulation . – Clamp off the coolant hoses from the oil cooler using Hose Clamps - Up To 25mm - 3094- . – Loosen the spring clamps -arrows- using the Hose Clip Pliers - VAS6362- . Note Catch leaking coolant with the Drip Tray - VAS6208- . – Disconnect the coolant hoses from the oil cooler. cooler -4-. – Attach the Plug -2- to the coolant expansion tank vent con‐ nection -1-. – Secure the coolant hose -3- on the oil cooler and on the cool‐ ant expansion tank. – Slowly fill the coolant up to the upper marking in the hatched area on the expansion tank. – Position the Cooling System Tester - VAG1274B- with the Cooling System Tester - Adapter - VAG1274/8- on the coolant expansion tank. – Generate a pressure of approximately 1.6 bar (23.2 psi) using the hand pump on the Cooling System Tester - Adapter - VAG1274/8- . – Watch the pressure decrease on the pressure gauge. ⇒ “4.1 Overview - Oil Filter Bracket and Oil Cooler”, , Overview - Oil Filter Bracket and Oil Cooler Install in reverse order of removal. Note the following: ⇒ “1.9 Coolant, Draining and Filling”, page 209 1. Cooling System Components 215 |