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Puff limiter cylinder housing

Village farms


I found my puff limiter cylinder leaking on my American Bosch pump and have ordered a new one.

My truck had a bad oil leak and it seems to be coming from the housing the puff limiter screws in to. I can rotate the housing with my hand.

Is this normal? And if not, do I have to pull injection pump to repair/replace.

Any help appreciated.

1983 R model em6-300r


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Like black dog said oil can be coming from the little pin hole in the puff limit cylinder as the air goes in and out if your air system has oil in it.   There is a o-ring  around the housing that let it turn seal off the oil.  I have taken and clean the area real good after putting the cylinder back in and putting  rubber glue around it and letting it dry real good before running it and usually works.  Other than that you must remove pump to replace.

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