Identify concerns related to variations in tire circumference and/or final drive ratios. Four-Wheel Drive Diagnosis Microsoft Word version Fillable PDF version Inspect, adjust, and repair shifting controls (mechanical, electrical, and vacuum), bushings, mounts, levers, and brackets. Inspect and Adjust Shifting Controls Microsoft Word version Fillable PDF version Inspect, adjust, and repair shifting controls (mechanical, electrical, and vacuum), bushings, mounts, levers, and brackets. Inspect Front Locking Hubs Microsoft Word version Fillable PDF version Check for leaks at drive assembly and transfer case seals; check vents; check fluid level; use proper fluid type per manufacturer specification. Transfer Case Lube Level Check Microsoft Word version Fillable PDF version Diagnose noise, vibration, and unusual steering concerns; determine needed action. Four-Wheel Drive Diagnosis Microsoft Word version Fillable PDF version Diagnose, test, adjust, and replace electrical/electronic components of four-wheel drive systems. Transfer Case Electrical Components Microsoft Word version Fillable PDF version Disassemble, service, and reassemble transfer case and components. Transfer Case Disassembly and Reassembly Microsoft Word version Fillable PDF version Transfer Case Replacement Microsoft Word version Fillable PDF version
