Removal of power steering, but keep A/C?
09-02-01, 07:05 PM
#2
Senior Member
Check out www.crookedwillow.com
I think they have a power steering bypass loop for like $75.
I think they have a power steering bypass loop for like $75.
09-03-01, 11:34 AM
#4
Senior Member
There is a thread going around on the "Big List" about PS removal. Some important info, I will post it here so you can see:
Posted to the Big List by Chris Wilson:
I posted a while ago asking about what people did about the quill shaft
when removing the PAS on an FD3S. I was worried that the quill shaft in
the rack would be subject to excessive loads. Most PAS racks work by the
steering column acting down a quill shaft within the part of the rack
drive the bottom of the column bolts to. This TINY twist in the quill
allows the spool valve to rotate relative to the other half of the spool
and hydraulic fluid is allowed in varying volume to one side of the rack
pistons in the ends of the rack. If there is no high pressure PAS fluid
supply (pump removed) the quill shaft turns until the outer part of the
drive is touching the edges of the safety dogs. It is NOT designed to be
continually flexed through the full movement to the safety dogs, which
is what will happen with EVERY turn of the wheel with no pump. it COULD
easily snap giving a load of lost movement and free play at the steering
wheel. I am going to TIG weld mine up at the dog drive to stop the quill
taking ANY loads. I have uploaded pictures of my drive assembly in
pieces so you can see the around 4 mm shaft that those with no PAS pump
are putting their full steering effort through until the dogs are
contacted. i wouldn't be happy with it left like that myself..
http://www.formula3.freeserve.co.uk/quill.zip
--
Best regards,
Chris Wilson
chris@formula3.freeserve.co.uk
I posted a while ago asking about what people did about the quill shaft
when removing the PAS on an FD3S. I was worried that the quill shaft in
the rack would be subject to excessive loads. Most PAS racks work by the
steering column acting down a quill shaft within the part of the rack
drive the bottom of the column bolts to. This TINY twist in the quill
allows the spool valve to rotate relative to the other half of the spool
and hydraulic fluid is allowed in varying volume to one side of the rack
pistons in the ends of the rack. If there is no high pressure PAS fluid
supply (pump removed) the quill shaft turns until the outer part of the
drive is touching the edges of the safety dogs. It is NOT designed to be
continually flexed through the full movement to the safety dogs, which
is what will happen with EVERY turn of the wheel with no pump. it COULD
easily snap giving a load of lost movement and free play at the steering
wheel. I am going to TIG weld mine up at the dog drive to stop the quill
taking ANY loads. I have uploaded pictures of my drive assembly in
pieces so you can see the around 4 mm shaft that those with no PAS pump
are putting their full steering effort through until the dogs are
contacted. i wouldn't be happy with it left like that myself..
http://www.formula3.freeserve.co.uk/quill.zip
--
Best regards,
Chris Wilson
chris@formula3.freeserve.co.uk
02-18-03, 02:42 PM
#7
Does anyone know the thread size for the two lines that go to th rack? I have removed the pump and lines and such but I still need to loop a SS line between the two points. I have the line but just need to know what size of fitting to connect them to. Thanks.
Also, I just removed the PS and AC together instead of trying to keep one.
Also, I just removed the PS and AC together instead of trying to keep one.
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02-18-03, 06:38 PM
#9
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Gordon Monsen did it on his car. He said something about needing a bracket from a T2. I remember reading it when I did a search.
Do a search for steering AND removal and threads where Gmonsen posted.
Do a search for steering AND removal and threads where Gmonsen posted.
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