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The mkiv Supra Owners Club

Cannot turn right


FilS004
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Hi all, I cannot turn my steering wheel past the centre to the right. I have installed a full intercooler, which meant replacing the power steering cooling pipes, so I guess it has something to do with that. I cannot turn the steering to the right with the engine on or off, as I tried to bleed it, which you have to do w ith the engine off initially.

Can anyone point me in the right direction as to what the problem may be please.

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If it's mechanically hitting something you need to get underneath and have a look really. Get the car on a ramp and see what it's contacting.

 

If it's a mechanism of the steering wheel system and you have physical clearance it will come down to the steering rack or the column with the joint in the middle being an issue.

 

Again, both items need to be seen by a mechanic really to understand the issue.

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  • 2 weeks later...
  • 4 weeks later...

No, I have tried bleeding, but as you cannot turn the steering wheel to the right, it will not bleed correctly. I cannot see a way to put the pipes on incorrectly Wile e coyote, as each direction has a different fitting, but it has been standing for 6 yrs (on jack stands).

I am now either going to drop it off at the local Toyota garage for them to have a look at it, or get a new steering rack.

As it is an import, Toyota are saying the my steering rack has been superseded by a new rack with an ECU. Anyone have any ideas why a PS unit would require an ECU? Obviously at £1500 this is a ridiculous price, so does anyone know of any steering racks that are available for me to purchase, so I could have that option open if I wanted.

It is a '93 JZ80 GTE automatic

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No, I have tried bleeding, but as you cannot turn the steering wheel to the right, it will not bleed correctly. I cannot see a way to put the pipes on incorrectly Wile e coyote, as each direction has a different fitting, but it has been standing for 6 yrs (on jack stands).

I am now either going to drop it off at the local Toyota garage for them to have a look at it, or get a new steering rack.

As it is an import, Toyota are saying the my steering rack has been superseded by a new rack with an ECU. Anyone have any ideas why a PS unit would require an ECU? Obviously at £1500 this is a ridiculous price, so does anyone know of any steering racks that are available for me to purchase, so I could have that option open if I wanted.

It is a '93 JZ80 GTE automatic

 

Get your rack reconditioned

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No, I have tried bleeding, but as you cannot turn the steering wheel to the right, it will not bleed correctly. I cannot see a way to put the pipes on incorrectly Wile e coyote, as each direction has a different fitting, but it has been standing for 6 yrs (on jack stands).

I am now either going to drop it off at the local Toyota garage for them to have a look at it, or get a new steering rack.

As it is an import, Toyota are saying the my steering rack has been superseded by a new rack with an ECU. Anyone have any ideas why a PS unit would require an ECU? Obviously at £1500 this is a ridiculous price, so does anyone know of any steering racks that are available for me to purchase, so I could have that option open if I wanted.

It is a '93 JZ80 GTE automatic

 

Not sure why they are saying that, as far as I am aware they all had the ecu. This is what gave the car the progressive PS, it measures pulses that come via the speedo and odo and in terms pulls a solenoid on the rack, pull the glove box out and the ecu is on the left. Get the front off the ground, take the wheels off and it should be pretty obvious where the issue is I woiuld have thought. If not then while its up off the ground seperate the ball joints at end of the rack and check you have movement in the the rack and also that the hubs are moving.

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