SEAT Workshop Service and Repair Manuals

Removing and installing front exhaust pipe with catalytic converter

Removal: –  Unscrew the three bolts of the right underbody trim -arrows-.

–  Disconnect electrical connection -1- from the lambda probe after the catalytic converter -G130-. –  Take the connector out of the retainer -2- and lay the lambda probe free.

–  Remove front crosspiece from vehicle underbody -arrows-.   Note The connecting elements of the front exhaust pipe must not be bent more than 10°, otherwise they could be damaged! –  Disconnect the exhaust system at clamp -1-.

–  Unbolt exhaust system retainer -arrow-.

–  Unbolt heat shield for right-hand side driveshaft -arrows-.

–  Unscrew the securing nuts -arrows- for the exhaust primary tube/exhaust manifold . –  Detach front exhaust pipe with catalytic converter. Installing Installation is carried out in the reverse order; noting the following in the process:   Note Always gaskets and self-locking nuts.

–  Fasten the front exhaust pipe to the exhaust manifold using the tightening sequence shown. –  Align exhaust system without tension → Chapter Tightening torques

Part		Nm
Primary exhaust pipe to exhaust manifold		25 1)
Heat shield of the axle shaft to engine block		35
Bracket of the exhaust system on the mechanical support bridge		23
Front tunnel bridge to bodywork		23

1) Renew self-locking nuts