I have a 2002 Toyota Prius with 86,000 miles. The steering wheel shakes uncontrollably when first started ( and at very low speeds). Then everything seems to be OK. Touching the brake or a sharp turn may trigger this. We have noticed the problem several times when backing out of the driveway in the morning. Local Toyota dealer says they must see the car when it happens to diagnose the problem. That will probably never happen.
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Re: Steering Problem in Toyota Prius
This violent shaking where you can stop it by holding the steering wheel in my experience is due to a BAD rack and pinion. Replace rack and that will solve this problem. Good Luck and thanks for using FIX YA
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Under steering wheel..haven't inspected a 14 yet so not positive but most are under steering wheel area..some r behind ashtray..some are on passenger side under dash are...pretty sure its under steering wheel tho
PS sign indicates problem with power steering. most likely is has electrically assisted steering and needs attention. may want to contact the dealer to make sure it is not under a recall before pursuing any further. the Prius cars have had alot of problems recently.
This is likely due to a defective horn contact under the steering wheel called the clock spring ribbon rotating contact drum. You must disarm the airbag system and remove the steering wheel (requires special tools) to replace the contact.
perhaps a leaked out shock absorber....you might see an oily film on the lower half of the shock.....simplest place to start. If not that, then the front end should be checked for worn or broken component
with a small flat screwdriver, remove the 2 by 2 inch black plastic covers behind the steering wheel. one of them has a hole for the cruis control lever.
loosen but dont remove the two torx screws behind these covers.
allow the airbag to fall out into your hands.
carefully raise the two yellow retainers on the airbag wires, then pull the wires away from the airbag module.
then squeeze and pull the black horn wire from the airbag.
to replace the steering wheel, unplug all the wires you see and remove the 19mm nut holding the wheel.
then by hand wiggle the steering wheel toward you.