PREPARATIONS
Check that all hoses are undamaged and are in place with their hose clips tightened.
CONNECTING
Remove fresh air hose from mass air flow (MAF) sensor.
Install tool see 9995545 with pressure regulator see 9995544 on fresh air hose and tighten hose clamp.
Use hose clip to seal crankcase ventilation hose.
Remove oil filler cap.
Remove the lower hose from the canister purge (CP) valve.
Scheme 1443
Connect the compressed air hose and adjust the regulator to obtain a pressure of maximum 0.3 bar .
A gentle hissing sound can be heard from the oil filler opening. This is due to the opening of an intake valve and the leakage of cylinder pressure past the piston rings.
If a leak is suspected spray a soap solution onto the area.
Small bubbles are permissible between throttle body (TB) and intake hose (if made of plastic). No bubbles are permissible with rubber hose.
Check for air leakage from canister purge (CP) valve. No leakage is permissible.
INSTALL
Install
- the spark plugs. Tightening torque 30 Nm (22 lb. ft) .
- the ignition coils. Tightening torque 10 Nm (7.4 lb. ft) .
Scheme 1444
Install
- the cover over the ignition coils. Tightening torque 8 Nm (6 lb. ft) .
- the upper camshaft belt cover. Tightening torque 8 Nm (6 lb. ft) .
- the disassembled connectors.
Applies only to turbocharged engines
Install the charge air pipe.
Remove the seals.
Tighten the mountings and hose clamps.
Scheme 1445
Erase diagnostic trouble codes (DTCs)
Start the engine and check that it functions normally.
Use VIDA (Volvo scan tool) to check which diagnostic trouble codes (DTCs) have been stored.
Erase the diagnostic trouble codes (DTCs).
Check the engine compartment and wipe it clean.