Astra F
Field Remedy: 1463
Remedy:Excessive drive noise from toothed belt drive (picture I) Problem and cause: Remedy: Side tension too high Adjust to correct tension - belt whines / squeals Side tension too low Adjust to correct tension -belt strikes against cover ___________________________________________________________________________ Excessive adge wear (picture II) Problem and cause: Remedy: Belt not running parallel to axis Align correctly and impacting against flanged pulley Deflective flanged pulley Replace sprocket Gearwheel misalign Align correctly - belt cannot run true ___________________________________________________________________________ Excessive fabric wear at base (picture III) Problem and cause: Remedy: Side tension too high Adjust to correct tension Belt operating in excessive heat Identify problem and recify Worn sprocket Replace sprocket ___________________________________________________________________________ Tooth flank wear / roof fractores and tooth shear (picture IV) Problem and cause: Remedy: Side tension too high / low, leading Adjust to correct tension to incorrect pitch ratios Belt does not comply with permissible Replace sprocket length tolerance Action of external media(e.g. oil) Identify problem and recify Sprocket / pulley jammed Identify problem and recify ___________________________________________________________________________ Separation of teeth and fabric from belt body (tension member) (picture V) Problem and cause: Remedy: Fabric damaged during installation Fit new belts carefully Action of external media Check cover if seated properly ___________________________________________________________________________ Damage on pulley side of belt (picture VI) Problem and cause: Remedy: Foreign object caught in belt drive Remove foreign object, check cover if seated properly Damage to gearwheel teeth caused by Replace sprocket foreign object or installation tool Belt damaged prior to / during Ensure proper installation installation ___________________________________________________________________________ Cracks in backing (picture VII) Problem and cause: Remedy: Exposure to excessive heat Identify problem and recify Exposure to excessive low temperature Identify problem and recify Action of external media Check cover if seated proberly ___________________________________________________________________________ Tearing of the belt (picture VIII) Problem and cause: Remedy: Foreign object caught in drive Check cover if seated properly Action of external media Check cover if seated properly Initial tension too high Adjust to correct tension Belt crimped prior to / during Observe handling instruction installation ___________________________________________________________________________ Fault system component (picture IX) Problem and cause: Remedy: Bearing play Substitute idler pulley, tension coil and/or guide roller Damaged bearing surface Substitute idler pulley, tension coil and/or guide roller ___________________________________________________________________________ Fracture on fixing spot tension coil-oil pump (1,4 - 2.2 litre engines) (picture X) Problem and cause: Remedy: Wrong torque of tension coil on Replace oil pump fixing spot of oil pump Important: - check the oil pump on each toothed belt check or each replace interval and each toothed belt damage for cracks (arrows).
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