Impreza GT F4-2.5L Turbo (2009)
![background image](/subaru/impreza_gt/f4-2.5l_turbo/Page-238013.png)
5.2 - 6.2 mm (0.205 - 0.244 in)
BELT TENSION PULLEY
1) Check the mating surfaces of timing belt and contact point of adjuster rod for abnormal wear or scratches. Replace the automatic belt tension
adjuster assembly with a new part if faulty.
2) Check the belt tension pulley for smooth rotation. Replace the automatic belt tension adjuster assembly with a new part if abnormal noise or
excessive play occurs.
3) Check the belt tension pulley for grease leakage.
BELT IDLER
1) Check the belt idler for smooth rotation. Replace if noise or excessive play occurs.
2) Check the outer contacting surfaces of idler pulley for abnormal wear and scratches.
3) Check the belt idler for grease leakage.