1/19/2021 Crankcase Ventilation and Electronic Throttle Module (ETM), Cleaning (Throttle Body) - ALLDATA Repair 2001 Volvo S80 2.9 L6-2.9L VIN 94 B6294S Vehicle > Powertrain Management > Fuel Delivery and Air Induction > Throttle Body > Service and Repair > Procedures CRANKCASE VENTILATION AND ELECTRONIC THROTTLE MODULE (ETM), CLEANING
Crankcase ventilation and electronic throttle module (ETM), cleaning
Note! Some variation in the illustrations may occur, but the essential information is always correct.
Removing
Remove: - the battery lead from the battery negative terminal, see: Electrical system Battery, replacing - the dipstick tube - the thick hoses, from the T-nipple.
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Remove the intake manifold between throttle body and the air cleaner (ACL).
Remove the 10 x screws at the mating flange of the intake manifold. Lift off the upper section of the intake manifold. Install999 5723 Cap See: Vehicle > Electrical / Mechanical Repair > 999 5723 Cap
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Cleaning
Place paper between the fan shroud and the engine block. Place the throttle body on the paper.
Clean the throttle body (TB) using cleaning agent 1161826 and apply using a brush or similar. Ensure that all deposits are removed from the surfaces marked in the illustration.
Note! Do not use compressed air when cleaning the throttle body.
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Carefully wipe clean the inside of the air channel on both sides of the throttle disc. Also wipe clean the edge of the throttle disc.
Disconnect the hose with the T-nipple from the intake manifold. Remove999 5723 Cap See: Vehicle > Electrical / Mechanical Repair > 999 5723 Cap Clean the hole in intake manifold. Use a - 2 mm drill bit. Disconnect the hose from the T-nipple.
Clean: - The T-nipple. Use a - 2 mm drill bit - the hose with a - 2 mm electrical cable and blow clean using compressed air. Wipe dry the air duct for the intake manifold.
Install: - the hose on the T-nipple - the hose with T-nipple to the intake manifold - 999 5723 Cap See: Vehicle > Electrical / Mechanical Repair > 999 5723 Cap
Installing
Note! For tightening torques, see: Tightening torque See: Engine > Mechanical > Tightening Torque https://my.alldata.com/repair/#/repair/article/35460/component/355/itype/376/nonstandard/369533/selfRefLink/true 4/6 1/19/2021 Crankcase Ventilation and Electronic Throttle Module (ETM), Cleaning (Throttle Body) - ALLDATA Repair
Install: - the throttle body. Use a new gasket - the 4 x screws for the throttle body.
Remove999 5723 Cap See: Vehicle > Electrical / Mechanical Repair > 999 5723 Cap
Install: - a new gasket - upper intake manifold section. Tighten the screws from the outside alternately.
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Install the intake manifold between the throttle body and the air cleaner (ACL).
Install: - the thick hoses to the T-nipple
Note! The T-nipple's thickest connector to the flame trap.
- the dipstick tube
Connect the negative battery lead. Refer to: Battery, disconnecting See: Battery > Procedures > Battery Disconnecting
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