Symptom and Probable Cause Noisy in Second Only a Damaged or worn second speed constant mesh gears b Worn or damaged countergear rear bearings Noisy in Low and Reverse Only a Worn or damaged first and reverse sliding gear b Damaged or worn low and reverse countergear Noisy in Reverse Only a Worn or damaged reverse idler b Worn reverse idler bushings c Damaged or worn reverse countergear Excessive Backlash in Second Only a Second speed gear thrust washer worn b Mainshaft rear bearing not properly installed in case c Worn countergear rear bearing Excessive Backlash in All Reduction Gears a Worn countergear bushings b Excessive end play in countergear Leaks Lubricant a Excessive amount of lubricant in transmission b Loose or broken clutch gear bearing cover c Clutch gear bearing retainer gasket damaged d Cover loose or gasket damaged e Operating shaft seal leaks f Idler shaft expansion plugs loose g Countershaft loose in case SPECIFIt All specifications for th are carried in Section 16 Probable Remedy a Replace damaged gears b Replace countergear bearings and shaft a Replace worn gear b Replace countergear assembly a Replace reverse idler b Replace reverse idler c Replace countergear assembly a Replace thrust washer b Replace bearing or case as necessary c Replace countergear bearings and shaft a Replace countergear b Replace countergear thrust washers a Drain to correct level b Tighten or replace cover c Replace gasket d Tighten cover or replace gasket e Replace operating shaft seal f Replace expansion plugs g Replace case ATIONS three speed transmission of this Manual