Keith FI90 Posted May 3, 2007 Share Posted May 3, 2007 Hi Guys, Still trying to sort out the problem with lack of boost pressure on my uprated 300Tdi 90 but I finally got round to checking the timing. It was a little out (now corrected) and it seems to have improved matters (though I haven't yet had chance to see what the effect on boost pressure is). However I may now have another problem. Whilst I was rotating the engine using the crankshaft pulley to set the timing, I noticed that there is a fair amount of endfloat on the injector pump shaft. The nut on the end (and the shaft) could plainly be seen to move in & out a few thou' as the engine rotated. I'm not sure how much but it was certainly noticeable. Is this normal?? Seemed a bit odd to me given the tolerances that injector pumps work to. I have never seen this before. Has anyone else and is it likely to be causing a problem with fuelling? Quote Link to comment Share on other sites More sharing options...
ciderman Posted May 3, 2007 Share Posted May 3, 2007 Keith , End float is normal , Its side play that is a problem which means the bush in the end of the pump is worn usually due to overtightend timing belts. Quote Link to comment Share on other sites More sharing options...
Keith FI90 Posted May 3, 2007 Author Share Posted May 3, 2007 Keith , End float is normal , Its side play that is a problem which means the bush in the end of the pump is worn usually due to overtightend timing belts. Praise the Lord!! At least one bit's ok Quote Link to comment Share on other sites More sharing options...
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