Optimus Primer® – How to Replace a Fuel Filter When a Hand Primer Is Not Present.

Опубликовано: 14 Май 2026
на канале: Diesel Help Australia
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In this video, we demonstrate how the Optimus Primer can be used to prime the fuel system after replacing a fuel filter on vehicles that do not have a factory hand primer.

The Optimus Primer is a practical tool for technicians and can be used across multiple applications. The quick-release fittings provide secure connections suitable for fuel, oil, vapour, water and air systems. These fittings can also be adapted when installing additional fuel filters.

00:00 Introduction – The system you are working on
01:10 Disconnecting the fuel filter assembly
04:15 Removing and inspecting the fuel filter
06:15 Diesel fuel filter replacement procedure
07:55 Priming the system and bleeding air
14:23 Restarting the engine
16:10 Cleaning up
16:50 Important steps and recap

Replaced a fuel filter and now the engine won’t start?
Read this article explaining common causes and solutions:
https://www.dieselhelp.com.au/know-th...

For more information on the Optimus Primer:
https://www.dieselhelp.com.au/product...