IP "buzzing" sound, OM 617...........?????

[adrenelin500]

Just as I sort out one thing I get another project. Fun fun fun..Anyway just recently I have been getting a buzzing sound coming from the IP while running, and usually continuing for a half a dozen seconds after shutoff. Could this possibly be caused by a leak where it connects to the rails or am I looking at buying another pump?

[Stevo]

Might help if you IDd the car.

[pawoSD]

Originally Posted by adrenelin500

Just as I sort out one thing I get another project. Fun fun fun..Anyway just recently I have been getting a buzzing sound coming from the IP while running, and usually continuing for a half a dozen seconds after shutoff. Could this possibly be caused by a leak where it connects to the rails or am I looking at buying another pump?

Is it hurting how the engine runs or performance or anything? If not I'd leave it alone till something goes wrong, and something may never even happen.

[adrenelin500]

Sorry, I've asked so many questions I guess subconciously I thought everyone knew it by now..Ha..HA. Anyway It's a 1982 300SD , and there seems to be no side effects. Just a sudden wining buzzing noise coming from the injection pump.

[pawoSD]

Try running a lubrication additive to the fuel or something, like Redline diesel catalyst or Marvel Mystery Oil. Might not make any difference, but who knows, the stuff is only a few $$ a bottle.

[pawoSD]

Also, Try pressing down on the air cleaner housing when its idling and see if the "buzzing" sound goes away, if it does, then it could be a bad rubber mount for the air cleaner or a broken air cleaner bracket banging/vibrating against itself. We had that happen/make a noise like that on our 1983 300SD...turned out part of the bracket had broken.

[adrenelin500]

I doubt it needs lubricating.I run Veggie oil. And the noise is defenitly coming from the IP. But Thanks.