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Technical

  • Removing the steering wheel
    (by Kyle)
The WaringstownTR7 mechanic
 
 
 
     
 

How a steering wheel is removed from a TR7/8 will vary slightly depending on the steering wheel involved but the following instructions apply to original TR7 wheels. N.B. It should be noted that genuine TR7 wheels dish outwards towards the driver meaning that after market wheels that are virtually flat will not allow your knuckles to clear the wiper/light stalks without some form of modification to the stalks. The wheel being closer to the column will also slightly change your driving position. Choose your replacement wheel carefully.

 
     
  Wheel with cover removed
Steering wheel with cover removed
 
     
 
First job before removal is to make sure the front wheels are pointing exactly forward. Try to drive the car for about ten feet in a straight line to make sure this is the case. Prise out the central “bung” (how varies from wheel to wheel). You should now be faced by a large nut (unless you have an assistant, anyone willing to help do work to a TR7 must be a nut so that makes two of them then). A 27mm socket is best suited to the removal of this. Clamp the wheel between your legs (oh-er!) using your knees or have someone else hold it for you (yet again, oh-er!) while you take your nut off (what? No oh-er?) in an anti-clockwise turn. Now remove the washer. The wheel is now kept in place by splines. The best method of removing the wheel from the splines without damaging them is to use a large rubber hammer (or cloth covered heavy hammer) to knock forwards from the back of the three spokes, no more than a couple of taps at a time per spoke, going around all the spokes in a circle one after another, until the wheel comes off.
 
     
 


Loosen the centre nut


Use hammer to tap wheel off spline

 
     
  Look at the back of the wheel that has just come off. You should notice two protrusions, one at the 6 o’clock and one at the 12 o’clock mark. These fit into recesses in the steering column. You can now fit the new steering wheel making sure that the protrusions line up with the recesses. Gently tap the wheel down with the rubber hammer in a similar manner to removal, slip on the washer and nut and with the wheel locked in position (either by holding it or by locking the steering) tighten the nut using the 27mm socket. Putting the central “bung” in the wheel finishes the job.  
     
 

Close up of prongs & matching recesses
 
       
 
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