Heavy Duty Equipment Technician Red Seal Exam Prep · Question
A torque converter in a heavy-duty dozer exhibits excessive heat generation and inconsistent power transfer. Upon inspection, the technician suspects internal slippage. What is the most likely cause of this issue?
A worn or seized stator one-way clutch prevents the stator from locking during certain operating conditions, leading to inefficient fluid redirection and increa
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Question: A torque converter in a heavy-duty dozer exhibits excessive heat generation and inconsistent power transfer. Upon inspection, the technician suspects internal slippage. What is the most likely cause of this issue?
Answer options:
- Overfilled transmission fluid level. ✅ Worn stator one-way clutch.
- Incorrect torque converter fluid viscosity.
- Damaged output shaft seal.
Correct answer: Worn stator one-way clutch.
Explanation: A worn or seized stator one-way clutch prevents the stator from locking during certain operating conditions, leading to inefficient fluid redirection and increased turbulence, resulting in excessive slippage, heat generation, and reduced torque multiplication. This is a common issue with torque converter performance, according to OEM service manuals.
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