Cleaning the Crankcase Ventilation & Electronic Throttle Module (ETM), 6-CYL Turbo

Remove:





- the battery negative lead, see:

Electrical system Battery replacement

- the oil dipstick pipe

- the two thick hoses from the T-nipple.





Remove the intake manifold between the electronic throttle module (ETM) and the air cleaner.





Remove the ten screws at the intake manifold mating flange.

Lift off the upper section of the intake manifold.

Install the protection 999 5723.





Remove the 4 x screws for the electronic throttle module (ETM).





Place paper between the fan shroud and the engine block.

Place the electronic throttle module (ETM) on the paper.

Warning!
DO NOT submerge throttle unit in cleaning solvent. ONLY use cleaning solvent recommended in this TNN.

Important!
Do not scrape or use a rotary wire brush to clean the unit.

Clean the ETM bore using cleaner (P/N 11 61 828) and a soft bristle brush.





Ensure that all the residue is removed from the shaded surfaces shown in the illustration.





Carefully wipe the inside of the bore clean on both sides of the throttle disc. Wipe clean the edge of the throttle disc.

Do not use compressed air to dry the throttle module.





Remove the hose with the T-nipple from the intake manifold.

Remove the protection 999 5723.

Clean the hole in the intake manifold using a 2 mm drill bit.





Remove the hose from the T-nipple. Clean the T-nipple. Use a 2 mm drill bit. Clean the hose using 2 mm wire and blow clean using compressed air.

Wipe clean the intake manifold's air duct. Install the hose on the T-nipple. Install the hose with the T-nipple to the intake manifold.

Install the protection 999 5723.

Install:

- the electronic throttle module (ETM) with a new gasket

- the 4 x screws for the electronic throttle module (ETM). Tighten to 10 Nm.

Remove the protection 999 5723. Install new gasket

Install the upper section of the intake manifold. Tighten the screws from the inside out alternately. Tighten to 17 Nm.





Install the intake manifold between the electronic throttle module (ETM) and the air cleaner.

Install:





- the two thick hoses to the T-nipple

Note!
The T-nipple's thickest coupling to the flame trap.

- the oil dipstick pipe.

Finishing work

Turn the ignition key to position2. Connect the battery cable to the negative battery terminal.