Intake manifold — removal and installation (Mercedes-Benz E-Class W124)

Removal

Engines without turbocharging

Intake manifold of a non-turbocharged engine

A – Crankcase ventilation hose; B – manifold mounting bolts; C – gasket; D – intake manifold

1. Remove the ground cable from the battery.

2. Remove the air filter.

3. Remove the crankcase ventilation hose from the top of the branch pipe (see fig. Intake manifold of a non-turbocharged engine).

4. Unscrew the intake manifold mounting bolts and remove the intake manifold from the cylinder head together with the gasket.

Turbocharged engines

Turbocharged engine intake manifold

A – air supply pipe; B – gasket; C – intake manifold; D – vacuum hose; E – pressure sensor; F – gasket; G – bolts securing the intake manifold to the cylinder head

1. Remove the ground cable from the battery.

2. Disconnect the vacuum hose from the intake manifold (see fig. Turbocharged engine intake manifold).

3. Disconnect the electrical connector from the overload sensor.

4. Unscrew the screws and remove the air duct located above the cylinder head cover. Unscrew the bolts and remove the air supply pipe from the intake manifold. Remove the gasket.

5. Unscrew the bolts and remove the intake manifold from the cylinder head. Remove the gasket.