It is very important to check the timing belt on a high mileage vehicle. The belts should be changed at approximately 60,000 mile intervals. If in doubt, change the belt. A broken belt causes severe engine damage on most engines. The price is very low compared to running the engine. On the S40 (Mein Auto), the end of the engine timing belt is directly opposite the engine compartment. Hard to access. Decide for yourself whether you can do the job. Unfortunately, the tensioner in this kit is plastic. Maybe I should have reused the old steel tensioner.