Also recalled in Canada2004 VOLVO S40NHTSA Campaign #04V493000
The official notice
Defect
ON CERTAIN PASSENGER VEHICLES, THE NON-RETURN VALVE MAY CRACK DUE TO A POOR WELD CAUSING A VACUUM LEAK.
Safety Risk
IF THIS OCCURS, MORE BRAKE PEDAL FORCE MAY BE REQUIRED TO STOP THE VEHICLE AND/OR MAY EXPERIENCE A ROUGH ENGINE IDLE, WHICH COULD RESULT IN A CRASH.
Remedy
DEALERS WILL INSPECT, AND IF NECESSARY, REPLACE THE VACUUM HOSE. THE RECALL BEGAN ON NOVEMBER 29, 2004. OWNERS SHOULD CONTACT VOLVO CARS AT 1-800-458-1552.
Updated June 10, 2026