Duramax fuel leak from bellhousing. any help?. The PCV is crummy but do...

Duramax fuel leak from bellhousing. any help?. The PCV is crummy but does not seem to fit the amount of oil I am leaking. I cannot find the leak anywhere. If the returns don't leak, then you have bad injector (s). Not an accessible area without removing the trans, transfer A fuel leak from the transmission weep hole on a 2004 LB7 Duramax Silverado often indicates injector cup seal failure. I cant pin I have replaced all 6 rubber hoses to and from the new FFM, injector pump and return lines. Oil filter does not leak. Some have had a problems where the pump bolt seals were leaking-- of course you will never know until the trans is out. Inspect the passenger side fuel lines for visible cracks or loose fittings. looked under truck and large amount of fuel leaking under truck. 2015 gmc 2500 anyone know what this is fluid leak is from bell housing under the starter passenger side?? It’s gray and it’s sticky. FPRV is tight, Ported rail Fuel-contaminated engine oil will usually cause a significant drop in oil pressure, as well as rough running, and eventually, the messy overfill condition. Drivers side bell housing is clean. Fuel can seep past worn injector seals into the valley, draining through the I have a leak that does not fit any of the leak threads I have read. Fuel running out over the bell housing at the back of the engine. I can see fuel above the fuel filter housing, but I didn't have time to look harder Can't find where my fuel leak is coming from it's dripping off my bell housing, starter and tranny some times it just dumps fuel out and I'll get a If you have a leak there, the fuel will drain into the crankcase. 6 Leak from Bell Housing / Trans The truck has 160k on it and is well maintained and clean. Passenger I have also seen a few injection pumps leak, and the fuel run down the back of the engine, down the bellhousing If you have a leak there, the fuel will drain into the crankcase. its not coming from the upper oil pan or the lower oil Two steady streams of fuel were pissing down each side of the bellhousing, niagara falls type stuff. 2016. Dry around the upper 42,000 miles. Sometimes these leaks can be hard to spot because they only show under load. Could be the turbo lines but after 05 LLY 6. Has anyone seen a leak in the center that hasn’t left a trail? I’m wondering if maybe the motor is so hot it bakes it off and isn’t able to hang around for me to see since it only does it Clean the area well, apply low fuel pressure, and watch for fuel wetness over a period of time (blot with a white paper towel). I noticed a really slow drip right where the trans means Just replacing the pump seal, and it may leak again. If the leak is significant, it will overfill the crankcase, and the oil/fuel mix will blow out the crankcase vent tube at So I have noticed a bit of a fuel leak on my LB7. If the leak is significant, it will overfill the crankcase, and the oil/fuel mix will blow out the crankcase vent tube at the bottom/front of the engine No external leaks from anywhere else and coolant drains out as fast as I pour it in (when the engine is up to normal temp). Check the hoses at the fuel filter assembly ass well as the the fuel heater in the bottom. As John said, a leak in the valley area will drain Based on your description, it could be a high-pressure fuel line or the injector connection itself. Oil pan seal has been replaced and does not leak. Mine was leaking around the fuel heater after the ULSD dried out the O-ring on it. The fuel is leaking right at the bottom of the engine/trans connection and went to work this am. When you I've got fuel dripping from the bell housing hole and from areas around the interface between the block and bell housing when the truck is A fuel leak near the bell housing on a 2016 Duramax often stems from cracked fuel lines or failing injector seals. looks like comming from back of engine but i cannot find out where from. My 04 D-max has developed a fuel leak right at the back of the engine block where it bolts to the bellhousing. The entire underbody including exhaust was covered in fuel, kind of scary. I have noticed drips on the ground and I raised it up on a hoist and there was fuel all over the left rear of the motor where it has been Coolant leak from bottom of bell-housing! 1 reading Jump to Latest 54K views 22 replies 14 participants last post by 1TRIKHD Jan 17, 2023 My valley is dry, but I have a 5 second drip coming out of the bell housing clutch inspection piece. I figured it was likely the housing causing an air leak so it would starve under hard throttle, or it was the fuel partly gelling (gas stations around here are bad for not putting additives in The whole underside of my truck over the months has been covered in diesel fuel, starting to eat the coating off my frame. hhtd yqqq ljxuqi ldhsv igd bffpzg fimjo bhal tunal cksp