5B – 6IFIVE–SPEED MANUAL TRANSAXLE
DAEWOO V–121 BL4
SYMPTOM DIAGNOSIS
ChecksAction
Check for a knock at low speeds.S Replace any worn drive axle CV joints.
S Replace any worn side gear hub.
Check for a noise most pronounced on turns.S Correct any abnormalities in the differential gear.
Check for a clunk upon acceleration or deceleration.S Tighten any loose engine mounts.
S Replace any worn drive axle inboard joints.
S Replace any worn differential pinion shaft in the
case.
S Replace any worn side gear hub in the case.
Check for a clunking noise in turns.S Replace any worn outboard CV joint.
Check for a vibration.S Replace any rough wheel bearing.
S Replace any bent drive axle shaft.
S Replace any out–of–round tires.
S Balance any unbalanced tire.
S Replace any worn CV joint in the drive axle shaft.
S Correct an excessive drive axle angle by adjusting
the trim height.
Check for a noise in the NEUTRAL gear with the engine
running.S Replace any worn cluster bearing shaft.
S Replace any worn clutch–release bearing.
S Replace any worn input shaft cluster gears.
S Replace any worn first–gear/bearing.
S Replace any worn second–gear/bearing.
S Replace any worn third–gear/bearing.
S Replace any worn fourth–gear/bearing.
S Replace any worn fifth–gear/bearing.
S Replace any worn mainshaft bearings.
Check for a noise in the first gear (1) only.S Replace any chipped, scored, or worn first–gear
constant mesh gears.
S Replace any worn first–second gear synchronizer.
S Replace any worn first–gear/bearing.
S Replace any worn differential–gear/bearing.
S Replace any worn–ring gear.
S Adjust, repair, or replace the shift lever and the rods.
Check for a noise in the second gear (2) only.S Replace any chipped, scored, or worn second–gear
constant mesh gears.
S Replace any worn first–second gear synchronizer.
S Replace any worn second–gear/bearing.
S Replace any worn differential–gear/bearing.
S Replace any worn–ring gear.
S Adjust, repair, or replace the shift lever and the rods.
Check for a noise in the third gear (3) only.S Replace any chipped, scored, or worn third–gear
constant mesh gears.
S Replace any worn third–fourth gear synchronizer.
S Replace any worn third–gear/bearing.
S Replace any worn differential–gear/bearing.
S Replace any worn–ring gear.
S Adjust, repair, or replace the shift lever and the rods.
