Class C Comprehensive Service Checklist

Engine Complete Overhaul & Analysis

Perform complete engine oil analysis and change with OEM-specified grade

Conduct compression test on all cylinders and document readings

Test fuel injectors for proper spray pattern and flow rate

Perform turbocharger inspection and boost pressure test

Check timing belt/chain condition and replace if at service interval

Perform DEF system comprehensive diagnosis and cleaning

Transmission Complete Service & Diagnostics

Drain and replace transmission fluid with OEM-approved specification

Perform transmission pressure test at all operating ranges

Conduct stall test and shift quality evaluation

Inspect CV joints, axle boots, and half-shaft assemblies

Road test with diagnostic equipment to verify shift points

Suspension System Complete Inspection

Remove wheels and inspect suspension components thoroughly

Check ball joints for play using dial indicator measurement

Test air suspension system pressure and leak-down rates

Perform wheel alignment check and adjust if necessary

Inspect frame and chassis components for stress cracks

Brake System Complete Overhaul

Replace brake fluid and perform complete system bleeding

Machine or replace brake rotors and drums to specification

Rebuild or replace brake calipers and wheel cylinders

Test air brake system with full pressure and leakage test

Document brake measurements and adjustment procedures

Electrical System Comprehensive Testing

Perform complete battery load test and specific gravity check

Test alternator output at idle, cruise, and maximum RPM

Test electronic control modules with diagnostic scanner

Update software and calibrations as per manufacturer bulletins

HVAC System Complete Service

Test A/C system pressures and perform leak detection

Inspect evaporator and condenser coils for cleanliness

Check refrigerant levels and perform system evacuation if needed

Final Testing & Documentation

Perform comprehensive road test including highway and city driving

Test all safety systems under operational conditions

Complete DOT inspection requirements and certifications

Schedule next service interval based on manufacturer guidelines

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COMPREHENSIVE SERVICE NOTICE

Comprehensive Service Notes & Recommendations

Comprehensive Service Summary

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