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Discussion Starter · #1 ·
Hi new to diesels and juat purchased a new van for work.

I am doing a service on it and would like to know if i change the fuel filter will i need to prime the system or is it a remove and replace item. As in self priming?

Thanks
 

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Super Moderator Technical Supremo Platinum Member
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Not sure on that exact engine.....
If there is a manual priming bulb, it will need priming.
If electric lift pump, will not.

Both types benefit from getting the air out of filter and then system before trying to start though electrics are often supposed to be self priming.

Fit new filter
Disconnect line to HP pump.... pump bulb or turn on ignition if electric until fuel comes out of pipe.
Connect pipe and find the return pipe from the injectors to the filter...common on many modern diesels.
Disconnect and re prime until fuel comes out.
Connect it back up.

Prime before trying to start....pump bulb till hard.
Keep pumping while someone else turns the key.
Easy Start is your friend.

Grease any push on connections when changing filter.
 

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Discussion Starter · #3 ·
Thanks for your reply.

Im from australia we may have different engines over here. The engine is a r9ma408 1.6 cdi turbo diesel.

Will get under it tomorrow and have a go. Hopefully its self priming
 
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