Vehicle & Technical > Defender

2.5 TD running rough after re-build

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Tommo:
the starter motor holds the key to undoing that nut.

Graham2:
A guy I know has advised putting a long extension on the socket, and jamming it against the ground or chassis, and then trying to start it. He says the nut will come undone. Is this what you mean?

ian_s:
that sounds like a recipe for disaster, but my well do the trick

if you do it, take the wire off the fuel cutoff solenoid, so it wont actually start

Graham2:
Well, after much agro with a 4 foot length of scaffold pole, it still didn't shift, so [!Expletive Deleted!] or bust time! Wedged the breaker bar on the chassis, took the wire off the fuel pump and turned the key. Off came the nut, first time! No wrecked starter or ring gear as far as I can see, just a loose nut. The timing cover's coming off tomorrow, so hopefully, I'll find the belt on one tooth out, put the new one on properly and Bob's my uncle. I hope it runs better, without ticking over like a pig with the huge cloud of white smoke when I rev it. If all's not well, I'll have to take the head off again to see what else it could be. Fingers crossed!

Graham2:
Timing cover came off, and all the dots line up, damn! Pump timing is perfect too. Next possibility is the diaphragm could have perished in the gizmo on the side of the pump, the one that controls the turbo boost as revs rise. There was diesel in the thin pipe the other day, so maybe the turbo's getting fed fuel it shouldn't? All this extra fuel could be causing the cloud of white smoke and the rough tickover. I'll see about getting a replacement diaphragm tomorrow, here's hoping...

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