mazda 3.5 need help

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fireblade7

Active Member
Posts
487
Location
edinburgh scotland
i have a mazda 3.5 slti turbo ran out of fuel put fuel in and towed it would not start how do i go about bleeding fuel system
it has a clear bowl on bulkhead then there fuel filter at pass side engine and as far as i can see the fuel comes from the clear 1 on bulkhead then to the pump it has a primer on the pump like the old ford sierra style been pumping that but with no results anyone know

thanks
mike
 
This is Land Rover forum so not the right place to ask. However there are things general to most diesel engines. Modern engines are self bleeding and have an electrical solenoid for fuel cut off. After a fuel run out they can take some turning to clear the pump of air. Try pumping while turning over.
 
If you don't know where the bleed screw is on the dissy pump as an alternative most diesels can be bled by slackening the union between the injector and the feed pipe then turning the engine over on the starter. Once you are getting regular pulses of fuel out of the joint tighten them up,
 
They can be a pig to bleed, so definitely an engine to avoid running out of fuel in.

There are bleed screws through the system, and by slackening them or the various fuel pipe unions you can ensure that fuel is through to where you need it. Once the injection pump has got no air in it it should start, but it will require a bit of cranking or towing to get it there. Could be worth disconnecting the fuel stop solenoid from the lever on the pump to rule that out, just in case it has developed a random fault.

How long did you tow it for? And where have you got fuel to in the system?
 
Bleeding procedure from the workshop manual
4BD6C925-40E5-46C6-8C4E-B03C0187DA3B.png
 
update
Retroanaconda
thanks i have done all of above and found out it will bleed from fuel filter the pump union
but cant get anything from the bleed screw itself i have found out now that the primeing plunger its comming from the insides so looks like the primer part is guffed now i have been looking on line for 1 but cant seem to find right 1
would you or anyone know the part number for the plunger part its like the old
ford sierra type
regards
mike
ps is there a
workshop /parts manual on here it would help
thanks again
 
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