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XC90 AWD L6-2.9L Turbo VIN 91 B6294T (2004)

Sensors and Switches > Sensors and Switches - Brakes and Traction Control > Wheel Speed Sensor > Component Information > Technical Service Bulletins > All Other Service Bulletins for Wheel Speed Sensor: > 2250038 > Feb > 04 > Cooling System - Gurgling Noise From Front of Engine > Page 1808

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Place paper under the vacuum nipple to absorb any coolant leakage.
Install hose clips on the engine coolant hoses.
Remove the hose clamps on the engine coolant hoses.
Disconnect the engine coolant hoses from the nipple.

Removing the vacuum nipple, continued

5

Remove the hose clamp from the plastic hose nipple on the oil trap.
Pull the plastic hose out from the insulation.

Note!

If the white plastic nipple comes off and remains in the rubber hose it must be removed. See the following step.

Removing the vacuum nipple, continued

6

If the nipple breaks, it must be removed. It must not be pressed into the hose.

Hint: 
Secure the hose above the clamp. Use pliers.

Carefully screw a self-tapping screw into the nipple. The inner diameter of the nipple is 2.7 mm.
Remove the clamp.
Pull out the broken nipple.

Sensors and Switches > Sensors and Switches - Brakes and Traction Control > Wheel Speed Sensor > Component Information > Technical Service Bulletins > All Other Service Bulletins for Wheel Speed Sensor: > 2250038 > Feb > 04 > Cooling System - Gurgling Noise From Front of Engine > Page 1808

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