Just received the genuine new tensioner, wanted to change tonight but seems that I will need special 15mm socket? I have tried my standard hex head 15mm socket but seems that I need more narrow and 12 point head?
edit. probably found the answer...
Hi All, just recognized today after about 1 hour drive chirping sound during idle (and also probably under load but hard to check alone). Nothing removed yet, so not possible to locate where it comes from. Tried to upload video, but could not...