Audi Workshop Service and Repair Manuals

Removing and installing mechanical exhaust gas recirculation valve Special tools and workshop equipment required

t  Ring spanner -3035-

t  Torque wrench -V.A.G 1331- with ratchet -V.A.G 1331/1-

t  Tool insert AF 17 -V.A.G 1331/6-

t  Socket -T40055- Removing –  Remove connection for turbocharger → Item. –  Remove intake manifold (front section) → Chapter. –  Mark injector pipes according to cylinder (e.g. with felt-tip pen). –  Disconnect injector pipes one by one with ring spanner -3035-.

–  Disconnect vacuum hose from mechanical exhaust gas recirculation valve -arrow-.

–  Remove nuts -1- and bolt -2-. –  Detach mechanical exhaust gas recirculation valve. Installing Installation is carried out in the reverse order; note the following:   Note Renew gaskets and self-locking nuts. –  Install injector pipes one after the other (from bottom to top). l  Ensure stress-free installation of injector pipes.

–  Tighten with torque wrench -V.A.G 1331-, and tool insert AF 17 -V.A.G 1331/6-.

–  Tighten with torque wrench -V.A.G 1331-, ratchet -V.A.G 1331/1- and socket -T40055-. –  Install intake manifold (front section) → Chapter. –  Check fuel system for leaks → Chapter. Tightening torques

Component		Nm
Mechanical EGR valve to	Intake manifold	22
	Pipe for exhaust gas recirculation	22
EGR pipe to intermediate flange		22
Injector pipes to	Injectors	30
	Injection pump	30