I have a Volvo S80 2.5TD. Recently, i have noticed some vibration through the accelerator pedal at low speed and before the engine has warmed up. The vibration appears to disappear at higher speed and also when the engine has warmed up.

 

Regular preventive maintenance is probably the single thing you can do as a car owner to keep your ride happy and save money on repairs in the future. However, not everyone agrees on what preventive maintenance is, what you should do, and when you should do it. Let's clear that up, and give you some tips that'll apply to any vehicle.
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PREVENTATIVE VEHICLE MAINTENANCE