s4 + s5 steering
07-29-08, 07:09 AM
#1
new to the rotary world
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s4 + s5 steering
so i have a question what is the differance between the s4 and s5 steering. is it just the rack? are they swapable s4 manual to s5 manual steering?
07-29-08, 01:08 PM
#2
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in what part?
s4 has two choices. manual and power steering. the ps effort is controlled by a little ecu, and a stepper motor on the pump.
s5 also has 2 choices. the upper models like the turbo and gxl have the same system as the s4's. the lower models, have a simpler, more conventional system, and a different ratio steering rack.
the two ps systems can be id'd by the following
s4/upper model s5s, have 2 lines off the top of the pump, and the rack says "FB78" on it
the base s5's have 1 line on the pump and an FC01 rack.
s4 has two choices. manual and power steering. the ps effort is controlled by a little ecu, and a stepper motor on the pump.
s5 also has 2 choices. the upper models like the turbo and gxl have the same system as the s4's. the lower models, have a simpler, more conventional system, and a different ratio steering rack.
the two ps systems can be id'd by the following
s4/upper model s5s, have 2 lines off the top of the pump, and the rack says "FB78" on it
the base s5's have 1 line on the pump and an FC01 rack.
07-29-08, 07:03 PM
#3
new to the rotary world
Thread Starter
yeah i was just looking at putting a non power steering rack from an s5 in to my non power steering s4. btw you said the ratio changes how much is the dirrerance?
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09-18-15 09:09 PM