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Fig. 120: Inspect Gear Teeth For Severe Scoring 11. Inspect the gear teeth for severe scoring. Severe scoring is the same as light scoring except large areas of the tooth flank are affected. 12. If severe scoring is present, replace the affected components. Severe scoring is caused by the following conditions: Inadequate oil viscosity
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Manual Transmission - Tremec 5-Speed (TZ0)
Unfavorable gear geometry Temporary lack of lubricant Surface roughness Faulty heat treatment of the gears
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Manual Transmission - Tremec 5-Speed (TZ0)
Fig. 121: Inspect Gears For Flank Fatigue Causing Gray Spots 13. Inspect the gears for flank fatigue causing gray spots. Gray spots are localized pittings on the flank caused by material fatigue or extremely fine 14. If gray spots are present, replace the affected components. Gray spots are caused by the following conditions: Material fatigue Contact pressure Sliding movement Composite friction
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Manual Transmission - Tremec 5-Speed (TZ0)
Fig. 122: Inspect Gear Teeth For Slight Pittings 15. Inspect the gear teeth for slight pittings. Slight pittings or pore-like areas of individual pittings on the flank caused by material
2008 Chevrolet Silverado 1500 2008 TRANSMISSION Manual Transmission - Tremec 5-Speed (TZ0)
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