AuthorTopic: 300tdi auto injection pump wiring leaking diesel....  (Read 2136 times)

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mattyme

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300tdi auto injection pump wiring leaking diesel....
« on: August 19, 2012, 21:50:35 »
anyone else had this problem or know any fixes for it....
its a steady drip drip drip while ever the engine is running.
cant be good for fuel economy!!
its my mates truck so any advice is welcomed and appreciated!! ta.

Offline lambert

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Re: 300tdi auto injection pump wiring leaking diesel....
« Reply #1 on: August 20, 2012, 05:04:42 »
I would start by looking at pipes for leaks then unions for tightness. After that get the pump looked at by a Bosch service shop.
Lambert Coverdale.

As slow as possible, as fast as necessary.

Two and a half litres of turbocharged diesel goodness.

mattyme

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Re: 300tdi auto injection pump wiring leaking diesel....
« Reply #2 on: August 20, 2012, 21:47:52 »
all the pipes etc are sound... you can actually see the dripping from the wiring loom... everywhere else is dry!!

Offline lambert

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Re: 300tdi auto injection pump wiring leaking diesel....
« Reply #3 on: August 21, 2012, 06:27:37 »
Err dunno. Bosch service next
Lambert Coverdale.

As slow as possible, as fast as necessary.

Two and a half litres of turbocharged diesel goodness.

mattyme

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Re: 300tdi auto injection pump wiring leaking diesel....
« Reply #4 on: August 24, 2012, 22:27:21 »
sounds like it, lambert!! lol cheers!

Offline Budgie

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Re: 300tdi auto injection pump wiring leaking diesel....
« Reply #5 on: August 24, 2012, 22:55:54 »
Check the flexible pipes for the fuel return that connect between the injectors. These can perish over time and leak, they are also on the unpressurised side of the system so will drip instead of spray.  :wink:
It could be that the fuel is finding it's way into the loom but it has to be coming from somewhere on the unpressurised side, so follow the loom up from the drop and see where it goes.

mattyme

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Re: 300tdi auto injection pump wiring leaking diesel....
« Reply #6 on: August 29, 2012, 21:30:24 »
i replaced all the return pipes as soon as he got it budgie, they were already perished. cheers tho.

 






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