I have lots of new diesel fuel and new oil gushing out of dipstick. Any ideas on possible causes? This is a kubota b7100 hst. This tractor hasn't been run for at least 6 months.
diesel fuel running out of dip stick
- Thread starter brushburner
- Start date
I think there is a fuel pump near the injection pump
Checking it for a bad diaphragm might be wise.
After than, a bad shaft seal on injection pump.
There are B7100 experts who will have more to say
Pump from Messicks 15263-52030 $127.43
I think you can just buy the diaphragm but need to talk to Messicks to be certain you get the right part as there are versions of the B7100
Do NOT run engine.
Dave
Checking it for a bad diaphragm might be wise.
After than, a bad shaft seal on injection pump.
There are B7100 experts who will have more to say
Pump from Messicks 15263-52030 $127.43
I think you can just buy the diaphragm but need to talk to Messicks to be certain you get the right part as there are versions of the B7100
Do NOT run engine.
Dave
Attachments
Last edited:
BAP
Well-known member
Lifetime Member
Equipment
2012 Kubota 2920, 60MMM, FEL, BH65 48" Bush Hog, 60"Backblade, B2782B Snowblower
If it has a mechanical lift pump for the fuel, then that’s where I would start. When they leak it dumps straight into the crankcase. Second place would be like Dave said, the injection pump shaft seal.
North Idaho Wolfman
Moderator
Staff member
Lifetime Member
Equipment
L3450DT-GST, Woods FEL, B7100 HSD, FEL, 60" SB, 743 Bobcat with V2203, and more
Are you 100% sure it's diesel and not just diesel smelling oil?
It's far more common for these to have hydraulic fluid pumped into the oil from a bad pump seal.
It's far more common for these to have hydraulic fluid pumped into the oil from a bad pump seal.
Fuel pump diaphragm broken. Thanks for the diagnosis. Let's hope that is all that is wrong. Now on to finding a replacement or repair kit.