Thread: John Deere SST
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Old 06-30-2008, 09:15 AM
sst16YUK sst16YUK is offline
LawnSite Member
Join Date: Sep 2007
Location: Fayetteville, GA
Posts: 3
sst steering problem

Hi everyone,

I have a SST16. Sorry I never posted the fix for my mower, here goes...

I found the problem to my steering was the vacuum line. I had 5 psig of
vacuum at my steering actuators tee & 15 psig vacuum just after the check valve at the engine. After following the line I found 2 sizable holes in it just past the engine compartment. The steering worked like a champ with a new line.
This line leads from the engine back underneath the console on the left side. It is difficult to see (my mower had grass clippings hiding it). I removed the seat deck to follow the line, be sure to unplug the seat safety switch & reconnect when re-installing the seat deck.
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