6 cylinder with an oil leak, a few questions.
Posted: Mon Aug 09, 2010 8:51 am
Morning
I have posted in this forum and not in my 6 cylinder thread hoping that someone can help me.
My major diesel has gearbox oil dripping/flowing through the bellhousing, originally it was overfull with oil, this has now been drained off to the low level, but with the engine running oil flows,but when engine is turned off the oil leak gradually stops.
I have split the tractor in half and checked inside the bellhousing, i originally thought the transmission oil seal was leaking, but upon inspection this does seem to be the case. When looking inside the bellhousing, to the upper right of drive shaft, there is what looks like the end section of a shaft about 1/2 " in diameter with a keyway cut in it. underneath this there was telltale signs that oil had been leaking through it and down to the bottom of bellhousing.
I then used an airline to put compressed air through the filling part where you pour in the gearbox oil, i could then feel compressed air and abit of oil come through the end of the shaft like piece which i mentioned inside the bellhousing. I guessed that this must be some form of overflow for the gearbox.and i could not see any other faults inside.
I put the tractor back together and drove it about 10 miles last week, but still got the oil leaking issue.
so i am wondering if there is a build up of pressure inside the gearbox and if there should be some form of pressure relief valve, or a drilled out bolt to let it breath.
Can anyone help me ?? or has anyone encountered the same problem??
Thanks Mark
I have posted in this forum and not in my 6 cylinder thread hoping that someone can help me.
My major diesel has gearbox oil dripping/flowing through the bellhousing, originally it was overfull with oil, this has now been drained off to the low level, but with the engine running oil flows,but when engine is turned off the oil leak gradually stops.
I have split the tractor in half and checked inside the bellhousing, i originally thought the transmission oil seal was leaking, but upon inspection this does seem to be the case. When looking inside the bellhousing, to the upper right of drive shaft, there is what looks like the end section of a shaft about 1/2 " in diameter with a keyway cut in it. underneath this there was telltale signs that oil had been leaking through it and down to the bottom of bellhousing.
I then used an airline to put compressed air through the filling part where you pour in the gearbox oil, i could then feel compressed air and abit of oil come through the end of the shaft like piece which i mentioned inside the bellhousing. I guessed that this must be some form of overflow for the gearbox.and i could not see any other faults inside.
I put the tractor back together and drove it about 10 miles last week, but still got the oil leaking issue.
so i am wondering if there is a build up of pressure inside the gearbox and if there should be some form of pressure relief valve, or a drilled out bolt to let it breath.
Can anyone help me ?? or has anyone encountered the same problem??
Thanks Mark