Cause
| Correction
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DEFINITION: While shifting from HI range to LO range, there is gear clashing or the gear range cannot be selected.
Review the
Symptoms - Transfer Case and perform the necessary inspections.
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Actuator lever
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High/low range shift fork
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- Inspect the high/low shift fork for the following conditions:
• | The roller on the shift fork for wear or damage |
• | Cracked or bent shift fork |
• | Shift fork springs and brackets for damage |
- Replace the following components if found faulty:
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Range sleeve
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- Inspect the range sleeve for the following conditions:
• | Engagement teeth for burrs or damage |
• | Sliding freely on the rear output shaft |
• | The range sleeve shift fork collar for excessive wear |
- Replace the range sleeve if faulty. Refer to
Transfer Case Disassemble and
Transfer Case Assemble.
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High/low planetary carrier
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- Inspect the engagement teeth for burrs or damage. Refer to
Transfer Case Cleaning and Inspection.
- Replace the high/low planetary if faulty. Refer to
Transfer Case Disassemble and
Transfer Case Assemble.
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Front input shaft pilot bearing
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- Inspect for the following conditions:
• | Failed front input shaft pilot bearing |
• | Journal on the rear output shaft for excessive wear or damage |
- Replace the bearing if faulty. Refer to
Transfer Case Disassemble and
Transfer Case Assemble.
- Replace the rear output shaft if damaged. Refer to
Transfer Case Disassemble and
Transfer Case Assemble.
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