7.16.5 Engine coolant – Filling

7.16.6 HT coolant pump – Relief bore check

DANGER

WARNING Unguarded rotating and moving engine components. Risk of serious injury – danger to life! • Take special care when working on a running engine.

Engine noise above 85 dB (A). Risk of damage to hearing! • Wear ear protectors.

Checking relief bore on HT coolant pump

1. Check relief bore for oil and coolant dis‐charge. 2. Stop engine (→ Page 61) and disable en‐gine start. 3. Clean the relief bore with a wire if it is dirty. • Permissible coolant discharge: up to 10 drops per hour; • Permissible oil discharge: up to 5 drops per hour. 4. If discharge exceeds the specified limits, contact Service.