ASE T3 Domain 4: Drive Axle Diagnosis and Repair Welcome to your ASE T3 Domain 4: Drive Axle Diagnosis and Repair 1. ASE T3: Drive Axle Diagnosis and Repair During the disassembly of a drive axle, the technician notices that the pinion depth shim is damaged. Which of the following could be a direct result of a damaged pinion depth shim? A. Premature seal wear B. Incorrect wheel alignment C. Gear tooth contact pattern misalignment D. Brake caliper malfunction None 2. ASE T3: Drive Axle Diagnosis and Repair A technician finds metal flakes in the axle fluid during a routine service. What is the MOST likely source of these flakes? A. Normal wear of the gears and bearings B. Deterioration of the axle seals C. Breakdown of the axle lubricant D. Failing differential carrier bearings None 3. ASE T3: Drive Axle Diagnosis and Repair When diagnosing a rear drive axle, the technician notices a whining noise that changes pitch with vehicle speed. The MOST likely cause is: A. Worn wheel bearings B. Defective tires C. Worn ring and pinion gears D. A loose differential case None 4. ASE T3: Drive Axle Diagnosis and Repair Which of the following symptoms would most likely indicate a problem with the limited-slip differential? A. A clicking noise when turning B. Vibration at highway speeds C. Chatter or shudder during cornering D. Fluid leakage from the rear cover seal None 5. ASE T3: Drive Axle Diagnosis and Repair What is the proper procedure when adjusting the bearing preload on a differential? A. Tighten the bearing caps to the manufacturer's torque specifications B. Use a dial indicator to measure ring gear backlash C. Adjust the carrier shims to obtain the specified rolling torque D. Set the pinion depth using a micrometer None 6. ASE T3: Drive Axle Diagnosis and Repair A vehicle with a solid rear axle has excessive tire wear and a slight pull to one side. This condition could be caused by: A. A misaligned rear axle housing B. Worn front suspension components C. Overinflated tires D. A stuck brake caliper on one wheel None 7. ASE T3: Drive Axle Diagnosis and Repair A differential is noisy under load but quiet when coasting. The MOST likely cause of this condition is: A. Worn differential side gears B. A loose pinion bearing preload C. Insufficient backlash between the ring and pinion gears D. Worn pinion bearings None 8. ASE T3: Drive Axle Diagnosis and Repair If a rear axle assembly is overheating, what could be the cause? A. Overfilled axle fluid B. Too little axle fluid or incorrect fluid type C. Faulty axle vent D. Worn brake pads None 9. ASE T3: Drive Axle Diagnosis and Repair When performing a final drive ratio check, the technician must rotate the drive wheel and count the number of pinion shaft revolutions. This procedure is done to: A. Determine the gear ratio of the differential B. Check the operation of the wheel bearings C. Evaluate the condition of the axle shafts D. Assess the need for axle fluid replacement None 10. ASE T3: Drive Axle Diagnosis and Repair A technician is unable to remove the axle shaft from the hub assembly. The BEST course of action is to: A. Apply heat to the hub assembly B. Use a slide hammer with an axle puller attachment C. Strike the axle shaft with a hammer D. Pry the axle shaft out with a large screwdriver None 1 out of 10 Time is Up! Time's up