Impreza L Sedan F4-2.2L SOHC (1997)
3) Measure the extension of rod beyond the body. If it is not within specifications, replace with a new one.
Rod extension: H 15.4 - 16.4 mm (0.606 - 0.646 inch)
Belt Tensioner
1) Check mating surfaces of timing belt and contact point of belt tensioner adjuster rod for abnormal wear or scratches. Replace belt tensioner if
faulty.
2) Check spacer and tensioner bushing for wear.
3) Check belt tensioner for smooth rotation. Replace if noise or excessive play is noted.
4) Check belt tensioner for grease leakage.
Belt Idler
1) Check belt idler for smooth rotation. Replace if noise or excessive play is noted.
2) Check outer contacting surfaces of belt idler for abnormal wear and scratches.
3) Check belt idler for grease leakage.
Camshaft And Crankshaft Sprocket
1) Check sprocket teeth for abnormal wear and scratches.
2) Make sure there is no free play between sprocket and key.
3) Check crankshaft sprocket notch for sensor for damage and contamination of foreign matter.
INSTALLATION
Camshaft And Crankshaft Sprocket