This is my first post. I really wish I get a detailed response as you guys are expert and I have mucked up my lawn mower very badly.
Background:
Lawn mower engine is Briggs and stratton Engine number is 10T602-0140-b1 . I bought this second hand and I mowed 710 meter square land without trouble (1st day). However, next day the main issue I discovered was spitting oil from muffler and extreme white smoke (no oil change was recently done, thus no chance of additional oil in oil case). I ran the engine for 10 minutes but smoke was still there and shutoff and I could start any more and the deck was full of oil.
Next Assignment: I have ordered gasket and installed the gasket in hope that the issue will be resolved. Informing you with full of pain, that the issue is still there, even it looks like new gasket is also blown up in this process.
The only trouble I am facing is that the leak is NOT coming from the head gasket area (bottom of that region). The leak is from further back ; behind the left side of breather
(rectangular plate).
I am in big pain at the moment as I have spent a lot of money and time and if I go to repair shop they would charge $40 for quotation and If I can not afford fix $40 is gone . Can any one guide me please?
Thank you all in advance
#2
Boudreaux In Eunice La.
I love THOSE engines they are almost BULLET Proof..... Are you sure that the oil was not tooooo full ??
The oil is coming out of the breather area ??? Or the air filter area ??? The breather tube is aluminum and is close to the carb...... There is a L shaped rubber tube that goes to the carb.........
The air filter is on top of the carb and will get OIL in it if something is wrong with the valves in the engine.....
The breather tube is attached to the valve cover AREA which is on the opposite side of the engine'''''''''''''
#3
Boudreaux In Eunice La.
Show me or tell me what part part your oil leak is coming from.... Here is a link to a diagram ....
@ Boudreaux In Eunice La. The oil was not over fill. Furthermore, the air filter is clean. There is no oil leaking from the breather. I have seen oil dripping on mower deck which translate that the oil is leaking from the engine.
The only trouble is that it is not dripping from the head gasket area, it is dripping from further behind the head gasket area(opposite to the spark plug entry point) but still leak is in engine area, also I noticed after 5 minutes of engine run, I opened the oil cap the white smoke was coming full time. This leads me to open the head gasket and I discovered that the oil was in cylinder wall. The valve, cylinder all were without carbon deposit. The engine was running very power full but I turned off. Now I believe I can not use the same gasket because the soft part of gasket is gone while the new, shinny hard part is still there.
I will appreciate if you can share your experience or thoughts if you need more info to resolve my issue please let me know.
Best regards,
Attachments
#8
Boudreaux In Eunice La.
yes you will have to get a new gasket.... TORQUE the head bolts to specs and that should solve your oil leak ~!~!
Thank you so much. I will personally update you with the progress.
Best regards,
#10
Boudreaux In Eunice La.
If you have bad rings it's going to smoke when running.... If your oil is even a little over full the oil will bypass the rings in the cylinder and might cause another head gasket to blow....
There should be 2 holes on the dipstick the top hole is the full mark ~!~!
dip stick contain two lines. I think I will fill over half way through so I can eliminate this.
My confidence level is shattered in terms of replacing a gasket. If I install new one again properly with the right torque, and due to some reason I have to open the head cover again Do I have to replace head gasket again? Also any recommendation for installing the head gasket in a best possible way. Such as but not limited to, surface clean and bolts tight as per spec in a cross manner.
What are the signs of faulty breather assembly? and how can I identify these? what are the apparent impact of bad breather assembly?
Yes head gaskets should never be reused.
Put some tube on the breather.
You should be able to suck but not blow.
It is a one way valve out of the engine only.
#13
Boudreaux In Eunice La.
Yes please get a perfect flat surface area such as PLATE glass real thick.... Attach some fine grit sand paper on it and work the head on it...... Go slow at first then look at the head....
If you see any old spots on it that means it it's not flat...... Example if you see shiny and not shiny you need to rub it some more..........
Some light spray lube is best to spray on the head doing this........ Do it just till you see shiny across the whole head....
Put a very straight edge on the block and check that for flat..........
The torque specs are 140 INCH pounds for the head bolts.. Criss cross pattern and do it in 2 segments... If you want the correct ORDER of doing it you can google it..... It will give you a diagram of it .......
