Vehicle & Technical > Defender

2.5 TD running rough after re-build

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Les Henson:
If you have fuel in the wastegate pipe, then the diaphragm has split. When this happens you usually get pressure in the fuel tank as well. The diaphragm can be changed without taking the injector pump off the engine.

 

The diaphragm is a Delphi item and is part number 7243 - 006 and is available from most diesel specialists.


Les.

trickydicky:
i have been folowing your progress sins you first posted it. i have been having exactly the same problem and have done everything that you have and the same as you i havant had any luck i even had the pump set. so now i am in the same boat as you do you mean the diafram whith the security tab on side of the injector pump or do you mean the lift pump?

Graham2:
I spoke to a company in Leeds yesterday, and the really helpful guy there says pretty much the same. Yes it is the thing with the lockwire on it, on the side of the fuel distributor pump. It costs £12.88 for the part with the diaphragm in it, which is a bit of a result. The only trouble is that I can't get a socket or a spanner on the bottom nut. The top one is easy, but I'm at a loss as to how I can get it undone. Taking the pump off seems to be the only answer, but to get it off, the oil filter housing has to come off to get it out. I'll have the whole Landy in bits soon. Oh well, the High Cap only cost me £500, which is what I sold my wheels and tyres for, so I'm kidding myself it was free. I know the 200 TDI's better to drop in, but in 2 years time, TFL will charge me £200 per day to drive it, so a 3.9 V8 on gas will go in before then.

Graham2:
Got it of!!! Well chuffed, but it was a real pain, as I had to get into some odd positions to be able to get it undone. The centre of the diaphragm was completely detached from the centre piece, so now wonder the engine was running so badly. I may empty the fuel tank completely, as it has red diesel in it (it was on a farm) and god knows what else. I'd rather fill up with stuff of a known quality in case there's something dodgy in there that could rot the new one. Bloke at Sewells talked me through adjusting the pin before it goes back in, sounds easy, but it could be fiddly getting the cover on without the springs popping out. I can't wait to get it fixed, so that I can see how the engine runs after the re-build.

trickydicky:
i disconected the pipe going to the turbo today and it still smokes on startup so it carnt be that for me i was thinking of changing the lift pump what do you think????? :huh: :huh: :huh:

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