I'm in the dark on dd15's, but on CAT engines, a failed Heui pump will send filings into the injectors and CAT requires injector replacement
Metal shavings in Fuel line
Discussion in 'Ask An Owner Operator' started by Jardon, Mar 5, 2016.
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There was a service bulletin recently that says the only approved way now to get these Detroits going after a filter change is by priming them only. So they must be having issues with pump failures.
Vampire and shatteredsquare Thank this. -
uncleal13 Thanks this.
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The prefilter always has metal shavings in it, seems a bit odd. Once there was a piece of plastic film the size of a quarter in there.
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14k for 6 injectiors? Should be around 6 to 7, I thought.
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Just had my filters changed...pre-filter full of aluminum shavings...2014 dd15
shatteredsquare and uncleal13 Thank this. -
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The high pressure fuel pumps can fail, the tell tale shavings are magnetic not aluminum though.
I think the Ali swarf comes from holes drilled in the fuel tanks for apu and heater feeds etc. The first time i saw my gauze filter full of it I nearly soiled myself, but 600km later I'm much calmer but I do run a magnet around the filter when I change it out as apparently they shed the magnetic filings for a while before it all goes downhill and ruins everything down the line.uncleal13 Thanks this.
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