Audi Workshop Service and Repair Manuals

Removing and installing exhaust gas recirculation cooler Special tools and workshop equipment required

t  Hose clamps for hoses up to 25 mm -3094-

t  Drip tray for workshop hoist -VAS 6208-

t  Hose clip pliers -VAS 6362-

Removing   Note Secure the heat insulation sleeve in the original position when installing. –  Remove particulate filter → Chapter. –  Press release tabs and disconnect crankcase breather hose -1-. –  Loosen clamp -3-. –  Remove bolt -2-, swivel air pipe with connection to rear and detach from turbocharger.

–  Remove bolts -arrows-. –  Loosen hose clip -1- and detach pulsation damper -2-.

–  Remove bolts and detach exhaust gas recirculation pipes -A-.

–  Remove union nut -2-. –  Remove bolts -1, 3- and banjo bolts -4, 5- and detach support for turbocharger with oil supply line.

–  Place drip tray for workshop hoist -VAS 6208- beneath engine. –  Clamp off coolant hoses -2- and -3- using hose clamps -3094-, release hose clips and disconnect coolant hoses from exhaust gas recirculation cooler. –  Unplug electrical connector -1-. –  Detach heat insulation sleeve, disconnect vacuum hose -4- from vacuum unit and move clear. –  Remove bolts -arrows- and detach exhaust gas recirculation cooler. Installing Installation is carried out in the reverse order; note the following: Tightening torques: l  → Chapter „Exhaust gas recirculation with exhaust gas recirculation cooler - exploded view“. l  → Chapter „Turbocharger - exploded view“. l  → Fig. „„Installing air hoses with screw-type clips““.   Note Renew gaskets, seals and self-locking nuts. –  Install particulate filter → Chapter. –  Check coolant level → Anchor.