Discussion:
toyota 7FBEST15 drive fault?

Our toyota 7FBEST15 has a drive fault. there is no fault codes. when driving forward or reversing the truck starts to shudder (shake)
i was thinking along the lines of accelorater pot or maybe the speed bearing?? any ideas? has any one else had this?
  • Posted 11 Dec 2008 09:11
  • Discussion started by upliftUK
  • leicestershire, United Kingdom
kjghkjhkh
Showing items 1 - 6 of 6 results.
Hello

Is this unit an SC2000 or an newer type
Perhaps you need to callibrate you pot but than you need an callibrator for the SC2000.
It happens more.

cheers
  • Posted 12 Dec 2008 06:30
  • Reply by blackie
  • Gelderland, Netherlands
prajfa@hotmail.com
Is this unit a 3 Wheel unit?? If so, here in Canada we have seen allot of gear box inner bearing or planetary gears bearings go faulty due to heat exposer to long runs. Check/Drain fluid look for contaminates ( Bits and pieces) Change fluid every P.M. with ATF Dexron 3 instead of gear oil. If its a 3 Wheeler????
  • Posted 12 Dec 2008 04:36
  • Reply by Prentice
  • Ontario, Canada
no the brakes are fine, its somthing electrical.
  • Posted 12 Dec 2008 02:40
  • Reply by upliftUK
  • leicestershire, United Kingdom
kjghkjhkh
Are the brakes locking up or sticking......parking brake?????
  • Posted 12 Dec 2008 00:46
  • Reply by Prentice
  • Ontario, Canada
it's the same with the truck jacked up. the wheels juder. i'm getting the correct voltage to the accelerator pot. i'm just wondering if its the speed bearing in the motor or would that bring up a code? might need the handheld on this one.
  • Posted 11 Dec 2008 09:52
  • Reply by upliftUK
  • leicestershire, United Kingdom
kjghkjhkh
Try jacking the truck up and see if it runs smoothly jacked up? Try work out if its a mechanical fault or load related. Had a judder problem on a Hyster once wheel was jamming/locking up.
  • Posted 11 Dec 2008 09:25
  • Reply by elektrodrive
  • West Midlands, United Kingdom

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