2004 Volvo S40 Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2004 Volvo S40
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2004 Volvo S40 ProblemsRight Front Engine Mount May Wear and Cause Vibration at Idle
The right front engine mount wears out prematurely, causing engine vibration at idle.
The engine may not start due to a failed starter control module. If the module has indeed failed, it will require replacement.
The fuel pressure regulator can leak and cause a hard start condition, without any faults recorded in the engine computer.
2004 Volvo S40 Questionsruns awesome went to smog n codes 420,misfire cyl 1,cam timing sensor? (1 answer)
Car runs awesome not a hiccup with 200000miles taken to dealer for all services. But smog tec tells me it's not worth fixing n I need to sell it,n check engine light was disabled somehow? I reset codes n only came up with code 420, Can't believe car is not worth fixing! Runs awesome supe...
First the car started cutting off. then the knocking noise began
2004 Volvo S40 RecallsVolvo Recalls Garmin 760 Portable GPS-Equipped Vehicles Due to Overheating Battery
Volvo is recalling all models equipped with Garmin 760 Portable Global Positioning System units because the battery may overheat, which could lead to a fire. Volvo advises owners to stop using the Garmin device immediately and consult the Garmin website to determine if they have a defective unit. The unit's battery will be replaced and a spacer inserted to prevent the problem from reoccurring. This will be performed free of charge.