Workshop Processes
The steps of a professional repair, and why each one protects the customer and the workshop.
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What you will learn
- List the steps of a repair job
- Explain why each step matters
- Understand comeback prevention
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A professional workshop follows a repeatable process: reception, diagnosis, quote and authorisation, repair, quality check, then invoice and handover. Each step protects the customer from surprises and the workshop from disputes and comebacks.
The two most under-rated steps are reception and the quality check. A precise written complaint gives the diagnosis a target, and a quality check — including a road test where appropriate — catches mistakes before the customer finds them.
| Step | Purpose |
|---|---|
| Reception | Capture the complaint and vehicle details |
| Diagnosis | Find the confirmed cause |
| Quote & authorisation | Agree the work and cost before starting |
| Repair | Fix the confirmed cause |
| Quality check | Verify the repair and safety |
| Handover | Explain the work and invoice |
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Key points
- A written complaint is the target of the diagnosis.
- Authorisation before work prevents billing disputes.
- The quality check is what prevents comebacks.
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Key points
- Reception captures the exact complaint
- Authorisation protects both sides
- A quality check prevents comebacks
All values shown are training examples. Real thresholds depend on the manufacturer, engine, temperature and system — always confirm with the vehicle service documentation.
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