Crankcase ventilation, cleaning: 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 banjo screw from the inlet pipe.

Remove the hose (1) from the nipple.

Remove the oil filler cap.

Blow the hose clean (1) using compressed air.

Clean the hose using a ø 2.0 mm cable.

NOTE: If the hose is blocked use a welding rod (max ø 2.0 mm, approx 250 mm long) to clear the hose.

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

Install:

the hose on the nipple
the banjo screw with new gaskets.
the oil filler cap.

Raise the vehicle.

Remove the splashguard under the engine.

Tighten the banjo screw.

Install the splashguard under the engine.

Lower the vehicle.