Fault-tracing information

Condition 

Fig 1: View Of Rear Differential Assembly, Drive Shafts And Propeller Shaft

Courtesy of VOLVO CARS OF NORTH AMERICA.

Applies only to cars with All-wheel drive (AWD).

Possible Source 

• Faulty drive shaft.

Fault symptom[s] 

• Only the rear wheels of the car are driven with low output.