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Chapter 1: Introduction to Routine Maintenance 

1.1 What is Routine Maintenance? 

Routine maintenance refers to the scheduled servicing and inspection of vehicles to ensure they operate safely, efficiently, and reliably. It encompasses all preventive measures taken to avoid breakdowns and extend vehicle life. 

Key Point: Routine maintenance is proactive, not reactive. 

1.2 The Maintenance Triangle 

      SAFETY
        /\
       /  \
      /    \
     /      \
RELIABILITY–ECONOMY
 

Safety: Properly maintained vehicles protect drivers, passengers, and other road users. 

Reliability: Regular servicing prevents unexpected breakdowns. 

Economy: Preventive maintenance costs less than major repairs. 

1.3 Types of Maintenance 

Preventive Maintenance 

• Scheduled based on time or mileage 

• Follows manufacturer recommendations 

• Examples: oil changes, filter replacements, fluid top-ups 

Predictive Maintenance 

• Based on condition monitoring 

• Uses diagnostic data 

• Examples: brake pad wear sensors, oil life monitors 

Corrective Maintenance 

• Repairs after failure occurs 

• Most expensive type 

• Often preventable through proper servicing 

1.4 The Cost of Neglect 

Case Study: The £50 Oil Change That Saved £2,000 

A customer’s vehicle came in for routine service at 12,000 miles. During the oil change, the technician noticed metal particles in the oil. Further investigation revealed early timing chain wear. By replacing the chain guides (£300) during scheduled maintenance, the customer avoided complete engine failure that would have cost £2,000+. 

1.5 Professional Standards 

As an IMI Level 2 technician, you must: 

• Follow manufacturer specifications exactly 

• Use appropriate tools and equipment 

• Document all work performed 

• Communicate findings clearly to customers 

• Maintain professional conduct 

Knowledge Check 1.1 

1. What are the three corners of the maintenance triangle? 

1. Give two examples of preventive maintenance. 

1. Why is corrective maintenance the most expensive type? 

1.6 The Service Technician’s Role 

Your responsibilities include: 

• Inspection: Systematic checking of all vehicle systems 

• Diagnosis: Identifying potential problems before failure 

• Prevention: Performing scheduled maintenance tasks 

• Communication: Advising customers on vehicle condition 

• Documentation: Recording all work and observations 

Summary 

Routine maintenance is the foundation of vehicle reliability and safety. As technicians, we play a crucial role in keeping vehicles roadworthy and customers safe. The investment in preventive maintenance always pays dividends in reduced repair costs and improved vehicle longevity.