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HondaPlatinum
HondaPlatinum, A Technician
Category: Honda
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Experience:  13 year honda platinum level
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2003 Honda: Engine oil leak..intake manifold gaskets & oil pan

Customer Question

2003 Honda odssey 3.5L Engine oil leak, Rear main seal replaced as well as intake manifold gaskets & oil pan rersealed. Have spent several hours trying to find leak even with oil dye black light.
Submitted: 4 years ago.
Category: Honda
Customer: replied 4 years ago.

Oil laying on top of engine under intake, running down back of engine where bell housing bolts to block. Also some oil in upper intake. Started leaking after oil change from one of our local chain stores, Customer stared was over full of oil. Clean oil from bottom of engine, run on lift at high RPM can't see a leak, make a 20 mile trip at 65-70MPH bottom of car is covered, PCV Valve has been changed,

Expert:  HondaPlatinum replied 4 years ago.
The valve cover gaskets are good?
Customer: replied 4 years ago.
Yes,Heads are dry, have dye in oil & Nothing showing up on heads or valver covers. Tale top off of plenum see very small amount of oil dye. Did see trace on intake valves when replaced intake gasket.
Expert:  HondaPlatinum replied 4 years ago.
Is it possible theres a slight crack somewhere or pouress block?Was the car ever in an accident or had a transmission replaced?
Customer: replied 4 years ago.
It is possible to have a hole in puress block but can't find it. Never been in a accident or trans hasn't been replaced. all mounts are good.Odometer showing 105K. Oil pressure normal.
Expert:  HondaPlatinum replied 4 years ago.
I had one with an intake manifold had a slight crack.If you remove the top plenum can you see better at the intake to see if its coming from there.

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