pulling the motor - Team Camaro Tech
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post #1 of 4 (permalink) Old Nov 7th, 14, 02:43 PM Thread Starter
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James
 
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pulling the motor

Well i have decided to pull the motor/tranny out of the car as i have a couple issues to solve. first off i have a small oil leak at the back corner of the passenger side head in between the head and the deck. is a new leak that came out of no where but enough of a leak that it warrants looking at. haven't done a compression or leak down test yet but i also have a extruding peice of casting on the housing of the tranny that is hitting the floorboard in the tranny tunnel that for some reason i never noticed before. will be much easier to correct that with the motor out so will kill two birds. i have read a little on oil leaks from the head but if anyone has any thoughts etc please share. it is not coming from the valve cover as i am guessing that will be one of the first suggestions someone makes. I will also deal with a few other little cleanup issues etc while the motor is out as well. very tempted to put a FAST injection system on the car while the motor is out as well but don't think my wife would like the $3000 by the time all is said and done. maybe santa will be nice to me!
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post #2 of 4 (permalink) Old Nov 7th, 14, 10:08 PM
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Re: pulling the motor

Quote:
Originally Posted by Fitnessguy View Post
... i have a small oil leak at the back corner of the passenger side head in between the head and the deck. is a new leak that came out of no where but enough of a leak that it warrants looking at....
... i have read a little on oil leaks from the head but if anyone has any thoughts etc please share. it is not coming from the valve cover ...
If it's coming from the "passenger" side of the engine at the head, I would imagine it is a poor sealing condition between the rear of the intake and the block at the head junction/intersection.
This is usually due to rubber seal squeezing out or failure of the sealant used in this area.
A leak at base of the distributor can also present in this area.

On the opposite side of engine there is a plug at the top of the oil passage. If this is not correctly installed or seated it will also leak in the area between the head and block - just on the drivers side normally.
Here is that plug - Click image for larger version

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Note that this plug can be a drive-in type or a threaded plug - depends on year and/or modifications *** to which one you have.

Oil sending units have also been know to cause hard to spot leaks, but they normally just drain down back of engine and bellhousing showing up around bottom of engine behind oil pan ...

Best of luck

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Other V8 things - some of which float
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Other V6 things - none of which float
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Oh yeah, and 1 "Straight-Six" ...
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If a man says something in the garage - and his wife can't hear him - is he still wrong !!!
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post #3 of 4 (permalink) Old Nov 7th, 14, 10:54 PM
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Re: pulling the motor

I would pull the intake manifold and see if the seal between the manifold and block and head is bad as John suggested above. You may save many hours of work. It may not solve the other issue but pulling an engine is a major project. You can still pull the engine and trans if you do not see anything obvious.

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post #4 of 4 (permalink) Old Nov 8th, 14, 08:37 AM Thread Starter
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Re: pulling the motor

thanks John and Larry, really good tips. i agree on the work to pull the motor but with the piece on the tranny i need to cut off and the other items, it will be the easiest way to deal with it all at once. As you said John could potentially be a couple different spots so nice to have the motor out to really see where it is coming from. also seeing as i am in british columbia, i won't drive the car again until May at the earliest with good ol winter so i have the time to do the work! I was teasing my wife last night saying this motor that is two years old is worn out and no good any more so i should sell it and throw in a blown big block! leave the hood off and make some noise! needless to say she didnt have too many nice things to say to me. i will keep you posted as to what i find.
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