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I have done three Tbelt jobs so far and only had 1 whine (the first one). After taking the cover
off and rechecking everything I found the upper idler on the balance belt was just barely
touching the belt. Readjusted the pulley to the correct spacing and no more noise.
What is the corret spacing? All I found was the idler roller should be 0.5 mm from the lower balance shaft sprocket.