Crankcase ventilation: Cleaning

WARNING: This page is about a different car, the 2002 Volvo C70, 2001 Volvo C70, 2000 Volvo C70, 1999 Volvo C70, and 1998 Volvo C70. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: For tightening torques, see TIGHTENING TORQUE

Fig 1: Cleaning Hose

Courtesy of VOLVO CARS OF NORTH AMERICA.

Remove the pipe screws from intake manifold.

Disconnect the hose (1) from the nipple.

Remove the oil filler cap.

Blow the hose (1) clean with compressed air.

Clean the hose with an electrical cable ø 2.0 mm

NOTE: If the hose is clogged, use a welding rod (max ø 2.0 mm , approximately 250 mm long) to clean the hose.

Clean the nipple (2) using a ø 2.0 mm drill or a welding rod.

Install:

the hose on the nipple
the pipe screws with new gaskets
the oil filler cap.

Raise the vehicle.

Remove the splashguard under the engine.

Tighten the pipe screws.

Install the splashguard under the engine.

Lower the vehicle.