Bus Fleet Predictive Maintenance Audit Checklist - Public Transit

Maximize fleet uptime and minimize costly breakdowns! This Bus Fleet Predictive Maintenance Audit Checklist equips transit agencies with a comprehensive guide to proactively identifying potential issues and optimizing maintenance schedules. Ensure your buses are running smoothly, safely, and efficiently with this essential tool. Download now and revolutionize your fleet management!

This Template was installed 3 times.

Engine & Powertrain

1 of 10

Inspection of engine components, transmission, and related systems based on predictive maintenance schedules.

Engine Hours

Oil Level (in liters)

Coolant Temperature (Celsius)

Engine Noise Level

Exhaust Smoke Color

Any unusual engine behavior observed?

Last Oil Change Date

Engine RPM at idle

Braking System

2 of 10

Assessment of brake components, ABS functionality, and brake performance based on data analysis and scheduled inspections.

Brake Pad Thickness (mm)

Brake Rotor Thickness (mm)

ABS System Status

Brake Fluid Condition

Brake Line Pressure (PSI)

Any unusual noises during braking?

Suspension & Steering

3 of 10

Evaluation of suspension components, steering system, and alignment based on vibration data and visual inspection.

Front Left Suspension Height (mm)

Front Right Suspension Height (mm)

Rear Left Suspension Height (mm)

Rear Right Suspension Height (mm)

Steering Play (mm)

Shock Absorber Condition

Notes on Steering Feel & Handling

Last Alignment Date

Tires & Wheels

4 of 10

Monitoring tire pressure, tread depth, and wheel condition using sensor data and scheduled inspections.

Tire Pressure (PSI) - Front Left

Tire Pressure (PSI) - Front Right

Tire Pressure (PSI) - Rear Left

Tire Pressure (PSI) - Rear Right

Tire Tread Depth (mm) - Front Left

Tire Tread Depth (mm) - Front Right

Tire Tread Depth (mm) - Rear Left

Tire Tread Depth (mm) - Rear Right

Wheel Condition

Electrical System

5 of 10

Inspection of battery health, alternator performance, wiring harnesses, and other electrical components based on diagnostic data.

Battery Voltage (V)

Alternator Output (A)

Wiring Harness Resistance (Ohms)

Wiring Harness Condition

Wiring Diagram Image (if applicable)

Notes on Electrical System Inspection

HVAC System

6 of 10

Assessment of heating, ventilation, and air conditioning system performance and refrigerant levels.

Refrigerant Pressure (High Side)

Refrigerant Pressure (Low Side)

Ambient Temperature (Interior)

Supply Air Temperature

Compressor Noise Level

Blower Motor Speed

Additional Comments/Observations

Diagnostic Data Review

7 of 10

Analysis of fault codes, sensor readings, and overall system health data collected by onboard diagnostic systems.

Engine RPM at Idle

Transmission Temperature (°C)

Coolant Temperature (°C)

Brake Pressure (PSI)

Fault Code Presence (Yes/No)

Description of any identified fault codes

Date of Diagnostic Data Retrieval

Time of Diagnostic Data Retrieval

Fluid Levels & Condition

8 of 10

Inspection and analysis of engine oil, coolant, brake fluid, power steering fluid, and transmission fluid levels and condition.

Engine Oil Level (cm)

Engine Oil Temperature (Celsius)

Engine Oil Condition

Coolant Level (cm)

Coolant Condition

Brake Fluid Level (cm)

Power Steering Fluid Level (cm)

Onboard Sensors & Telematics

9 of 10

Verification of proper functioning of all onboard sensors and telematics devices used for data collection.

GPS Signal Strength (dB)

Engine RPM Sensor Accuracy (%)

Accelerometer Calibration Drift (m/s²)

CAN Bus Communication Status

OBD-II Data Transmission Status

Last Telematics Data Sync Date

Last Telematics Data Sync Time

Preventative Maintenance Records

10 of 10

Review of maintenance records to ensure compliance with the predictive maintenance schedule.

Last Maintenance Date

Mileage at Last Maintenance

Maintenance Performed (Select all that apply)

Technician Notes/Observations

Attach Supporting Documents (e.g., Invoice)

Condition of Parts Removed

Next Scheduled Maintenance Date

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