Vehicle recall 04V493000 · October 14, 2004
Volvo S40 and V40
On certain passenger vehicles, the non-return valve may crack due to a poor weld causing a vacuum leak.
Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.
- Summary
- On certain passenger vehicles, the non-return valve may crack due to a poor weld causing a vacuum leak.
- Consequence
- 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.
- Notes
- Customers can also contact the national highway traffic safety administration's auto safety hotline at 1-888-dash-2-dot (1-888-327-4236).
Recall details
- NHTSA campaign
- 04V493000
- Reported to NHTSA
- October 14, 2004
- Filed by
- VOLVO CARS OF N.A. LLC.
- Manufacturer campaign
- 137
- Owner notification
- November 29, 2004
- Vehicles potentially affected
- 1,719
- Initiated by
- the manufacturer
- Components
- Service brakes, hydraulic › Power assist › Vacuum › Hoses, lines/piping, and fittings
Vehicles covered
As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.
Has your Volvo been repaired?
Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.
NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. A Volvo dealer can also check your VIN. Recall repairs are free.