Where a wheel and tyre have been removed to facilitate replacement it is recommended that the wheel nuts be re-torqued after a certain interval. What is that interval?

Explanation: • 15 minutes or 15 km: No. the recommended intervals are longer than these.
• 60 minutes or 100 km: No.
• 24 hours or 300 km: No.
• 30 minutes or 50 km: Yes. advice provided by IRTE (the Institute of Road Transport Engineers) and ATS (the tyre replacement service) suggest that the wheels should be re-torqued after 30 minutes or between 40 - 80 kilometres.

Category: CPC Case Studies: Technical Matters