Removal and installation of intake manifold, replacement of gasket

1 Remove air cleaner (09—400).

2 Unscrew fastening nuts (arrow) on exhaust flange.

3 Unscrew engine oil feed line (1) on turbocharger and fastening clamp.

4 Unscrew pressure line to switchover valve on intake manifold.

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5 Unscrew fastening bracket (arrow) for oil pipe of automatic transmission.

6 Loosen engine oil line (arrow) on oil filter and fastening clamp for engine oil line on cylinder head. On model 126, remove center part of partition for better access.

7 Unscrew supporting bracket for exhaust manifold on engine carrier.

8 Unscrew fastening nuts for intake manifold and exhaust manifold, remove intake manifold and exhaust manifold together with exhaust gas turbocharger.

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9   Clean intake manifold and exhaust manifold. Check flange surfaces with straightedge and refinish on surface plate, if required.

10   When replacing intake manifold or exhaust mani­fold, unscrew all unscrewable parts and mount on new parts.

11    For installation proceed vice versa using new gasket and new exhaust nuts.

12   Adjust throttle linkage (30-300).

13   Adjust idle speed (07.1-100).

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