300 tdi injector pump timing - Defender Source
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  #1  
Old April 16th, 2016, 12:22 AM
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300 tdi injector pump timing

Use looking for some clarification here: How much movement should there be in the injection pump after you have loosened off the 3 10mm bolts to set your timing?
I lined up the motor at TDC through the inspection cover, pulled off the cover plate inserted my 9.5mm timing pin, it went in with a no problem but had a fair amount of play.
Once in, I loosed the 3 10mm bolts and attempted to turn clockwise to potentially move it to slightly advanced, can move it maybe 1/2" or so and then it just stops, even if I pull the pin out It just stops, can also move it back roughly the same amount before the 22mm nut comes loose on the timing pump.

Do I need to loosen off the 2 bolts on the backside of the injection pump or if my pin fits do I just leave it as?

I put it back together after and it fired up no problem but haven't taken it for a drive yet?

Any ideas or insight here is appreciated.

Brian
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  #2  
Old April 16th, 2016, 12:28 AM
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John B.
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Nothing should be able to move with the pin in place. I suspect you do not have it fully inserted.
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Old April 16th, 2016, 12:29 AM
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Is the pin at around ten o'clock?
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  #4  
Old April 16th, 2016, 09:43 AM
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No the opening on mine is at around 4 o'clock, was wondering that as everyone I saw showed roughly the 10 position but there is only one place for mine to fit and it is at 4.

------ Follow up post added April 16th, 2016 07:44 AM ------

Also the pins goes in roughly 1.5", will go back out and snap some pics if I can.
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Old April 16th, 2016, 09:53 AM
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Okay so you need to rotate the crank one full turn. You are not on the right stroke and the pin is not locking the pump. It is a 4 stroke. Two revolutions per stroke. You are at TDC for the exhaust stroke and not the compression stroke.
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Old April 16th, 2016, 10:03 AM
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Yes John B. correct again!
Also be careful as it is possible to adjust the IP timing one belt notch off and have all the timing pins in place.
I've fixed 2 of those and when off the engine is gutless.
Set it correctly and what a difference it makes... really wakes up.
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  #7  
Old April 16th, 2016, 10:05 AM
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Here are the pics?
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Old April 16th, 2016, 10:07 AM
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Thanks guys will give it another go tonight, so the pump pin should always be at roughly 10 o clock? How far should it go in?
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Old April 16th, 2016, 10:40 AM
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A bit over 2".

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  #10  
Old April 16th, 2016, 08:11 PM
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Just wanted to say thanks for the help, got it sorted this afternoon!,
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  #11  
Old April 18th, 2016, 11:35 PM
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Wanted to say a big thanks to all on this forum and to those who helped me out, took "Hazel" out for a spin tonight and after resetting the IP timing and finally have boost between 15-17 the highest I ever saw previously was 14.5. Looking forward to getting it on the highway tomorrow and see how she performs under load at speed.

Thanks again for a great forum!!!!

Brian
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