John Deer LA135 no gas flow from tank to fuel filter

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  #1  
Old 06-05-17, 08:38 AM
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John Deer LA135 no gas flow from tank to fuel filter

Hello,
Can't get John Deer LA135 22HP Briggs to run except when I prime carb.

Here is what I have done:
1. Blew gas line out to where I could see gas sloshing in tank so I know it's not clogged.
2. Took gas line off at carb to see if fuel pump is working and it is.
3. Put on a clear fuel filter on so I can see the gas flow. There isn't any.
4. Check air hole in gas cap and it is not clogged.

So for whatever reason I am having trouble getting gas from tank to fuel filter.
Any ideas?
Thanks
 
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  #2  
Old 06-05-17, 10:57 AM
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Replace the fuel line. It gets old, the inner lining swells and closes off the flow. Blowing through it makes it open but it closes when the pressure is gone.
 
  #3  
Old 06-05-17, 01:44 PM
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Did you replace the fuel filter that was already on it or add another one?
100 % sure you installed the filter in the right direction?
There should have been a arrow on it showing direction of flow.
 
  #4  
Old 06-06-17, 04:50 AM
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Thanks for the tips. Getting a new fuel line today. Yes, I did replace the fuel filter and made sure the arrow is pointing towards carb for correct flow. I am taking carb apart and cleaning while I am at it just to be sure float is working right and jets are clear.
 
  #5  
Old 06-07-17, 05:40 AM
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Here's an update...took carb apart and cleaned it. After I got it put back together before putting on new fuel line I turned the key to see what would happen. It fired right up and ran. Motor surges at first each time I start it before it levels out which I imagine is due to limited fuel line flow. I'll replace it soon. Anyway, got the overgrown acre of yard knocked down. Thanks
 
  #6  
Old 07-23-17, 03:46 PM
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It ended up it wasn't a corroded fuel line. Somehow the carb jets wound up in the float bowl. I have no idea how it was running at all. Runs perfect now.
 
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