Based on car owner complaints, the most common issues with the 2009 Volvo S40 fall into the category of POWER TRAIN. Below we had classified the complaints into groups by components affected.
We have singled out the top-3 most critical reports that involved victims or injuries.
Improper draining route which in result causes mold and damage to floor mats and seat cushions in rainy weather. transmission fluid has higher aci...
Tire pressure monitoring system (tpms) failure which almost resulted in a crash at high speed. tpms air stem broke while driving. the tpms then fell...
Headlight wiring- made an attempt to change light bulbs for headlamps. covering around electrical wiring harness which connect to headlight crumbled...