Toyota 7FGCU25:
drifting steering

I have a customer with a 7FGCU25 with drifting steering. Intermittently, the steering will not respond to the steering wheel movement. Swapped orbital and hyd pump with good known, problem still happens. Any ideas?
  • Posted 26 Mar 2011 04:16
  • Discussion started by roadtek
  • Massachusetts, United States
Showing items 1 - 3 of 3 results.
Bingo! Thank you guys. Seal kit now on order.
  • Posted 26 Mar 2011 06:34
  • Reply by roadtek
  • Massachusetts, United States
Yup, mrfixit is probably right. Disconnect both hydraulic lines to cylinder and plug lines. Jack up rear end and move steer axle each way to empty fluid. Force compressed air into one fitting on cylinder and if you feel air flow through other fitting without axle moving, you're bypassing fluid through the center seal.
  • Posted 26 Mar 2011 05:46
  • Reply by joe_d
  • Texas, United States
Ain't nothing I can't fix but a broken heart and the break of day!
The seal in the center of the steer cylinder is the problem. When worn out, it leaks-by fluid, especially when just going straight and not pressurizing it.
  • Posted 26 Mar 2011 05:11
  • Reply by mrfixit
  • New York, United States

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