1991 Honda Accord MASSIVE oil leakage from front of cranksh

Tiny
JERBES
  • MEMBER
  • 1991 HONDA ACCORD
  • 4 CYL
  • FWD
  • MANUAL
  • 150,000 MILES
1991 Honda Accord. We have a MASSIVE oil leak at the front end of the crankshaft that started a couple of days ago. About 4 seconds after starting the engine a stream of oil an 1/8 inch thick comes out of what looks to be a small vent just above the oil pan under the front of the crank at a rate of about a 1/3 cup a minute. Is this a totally failed crank front oil seal or something else?
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Saturday, December 12th, 2009 AT 2:51 PM

4 Replies

Tiny
RASMATAZ
  • MEMBER
Hi jerbes and TY for the donation and Merry Christmas

Could be the front crankshaft seal or an oil pump housing seal/gasket-inspect
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Saturday, December 12th, 2009 AT 9:58 PM
Tiny
JERBES
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It is hard to believe that even a totally missing crank oil seal would leak that much oil. It's not drip drip drip but a steady stream of oil coming out of the vent at the bottom of lower timing belt cover at idle. Where is the oil pump on this engine and would a leaking oil pump housing gasket leak into the space between the engine block and the timing belt cover?
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Saturday, December 12th, 2009 AT 10:15 PM
Tiny
RASMATAZ
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The oil pump is in front of the engine block and its behind the front cover of the engine where the crankshaft meets the crankshaft pulley thru the cover.
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Saturday, December 12th, 2009 AT 10:46 PM
Tiny
JERBES
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Well, we got around to fixing it now that the weather is tolerable. It wasn't the front crankshaft seal and it wasn't the oil pump housing seal gasket either, so both your guesses were wrong.
It was the seal on front counterbalance shaft that caused the massive leaking. The seal had popped out from the oil pressure behind it and was riding on the shaft. There was no seal retaining fork installed, which I now understand was a recall on later model Accords. We replaced the front counterbalance shaft seal along with a seal retainer fork, the crankshaft seal, the timing belt, the countershaft belt and put in a new water pump just in case.
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Tuesday, June 15th, 2010 AT 12:58 PM

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