Having problems with your Volvo S40 ?

How do i change the pcv valve on my 2004 volvo s40? and where is it located?

Posted / edited by AnonymousUser on : 18-06-2018

Answers :

Location:Its a flame trap it separates the oil from ai
replacement:

  • 1

    Turn the Volvo 850 off and allow the engine and its components to cool for 30 minutes.

  • 2

    Open the hood of the Volvo 850 by pressing the hood release button within the vehicle. Locate the PCV valve; the valve is identified as a small rubber valve located on the engine crankcase. You will also notice a small hose sticking out of the end of the valve. If needed, read the Volvo 850 owner's manual for more information.


  • Disconnect the hose from the valve by pulling the hose out of the valve. The hose will come off the valve with minimal force.

  • 4

    Turn on the engine of the Volvo 850. Place your finger over the hole in the valve where the hose was connected. If you feel a strong suction, the valve is working properly and fine. If you do not feel a strong suction, the valve may be clogged and needs replacing.

  • 5

    Turn off the engine of the Volvo 850. Use needle-nose pliers and grip the valve. Pull the valve off of the crankcase.

  • 6

    Install a new valve by putting the valve in place on the crankcase. Insert the hose into the new PCV valve. Secure the new valve in place by pushing it down until it locks into place. Close the hood of the Volvo; pull up on the hood to ensure the hood is shut properly.


    X2 Performance Chip


  • Repair Help & Product Troubleshooting for Volvo S40

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