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6. |
COURSE OBJECTIVES: |
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By the end of the course, students will: |
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(A) |
Diagnose noise and vibration concerns; determine necessary action. |
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(B) |
Diagnose fluid leakage concerns; determine necessary action. |
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(C) |
Inspect and replace companion flange and pinion seal; measure companion flange run-out. |
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(D) |
Inspect ring gear and measure run-out; determine necessary action. |
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(E) |
Remove, inspect, and reinstall drive pinion and ring gear, spacers, sleeves, and bearings. |
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(F) |
Measure and adjust drive pinion depth. |
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(G) |
Measure and adjust drive pinion bearing preload. |
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(H) |
Measure and adjust side bearing preload and ring and pinion gear total backlash variation on differential carrier assembly (threaded cup or shim types). |
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(I) |
Check ring and pinion tooth contact patterns; perform necessary action. |
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(J) |
Disassemble, inspect, measure, and adjust or replace differential pinion gears (spiders), shaft, side gears, side bearings, thrust washers, and case. |
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(K) |
Reassemble and reinstall differential case assembly; measure run-out; determine necessary action. |
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(L) |
Diagnose noise, slippage, and chatter concerns; determine necessary action. |
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(M) |
Inspect and flush differential housing; refill with correct lubricant. |
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(N) |
Inspect and reinstall clutch (cone or plate) components. |
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(O) |
Measure rotating torque; determine necessary action. |
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(P) |
Diagnose drive axle shafts, bearings, and seals for noise, vibration, and fluid leakage concerns; determine necessary action. |
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(Q) |
Inspect and replace drive axle shaft wheel studs. |
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(R) |
Remove and replace drive axle shafts. |
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(S) |
Inspect and replace drive axle shaft seals, bearings, and retainers. |
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(T) |
Measure drive axle flange run-out and shaft endplay; determine necessary action. |
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(U) |
Diagnose noise, vibration, and unusual steering concerns; determine necessary action. |
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(V) |
Inspect, adjust, and repair shifting controls (mechanical, electrical, and vacuum), bushings, mounts, levers, and brackets. |
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(W) |
Remove and reinstall transfer case. |
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(X) |
Disassemble, service, and reassemble transfer case and components. |
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(Y) |
Inspect front-wheel bearings and locking hub; perform necessary action. |
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(Z) |
Check drive assembly seals and vents; check lube level. |
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(AA) |
Diagnose test, adjust, and replace electrical/electronic components of four-wheel drive systems. |