2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

Power Steering Rack Question

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Old 04-29-05 | 11:26 AM
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floppyhat69's Avatar
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Power Steering Rack Question

Is there any difference between the S4 and S5 power steering rack? How about the inner and outer tie rods?
Old 04-29-05 | 12:27 PM
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only that some of the S5 racks were 17:1 instead of 15:1 that was found on all the S4 power steering racks.
Old 04-29-05 | 01:31 PM
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The 17.2:1 racks were in the GTU-S - so grab the tranny and diff while you're at it!

Another question that comes to mind is what kind of power steering? Vehicle speed sensitive units are three line racks (15:1 ratio), while engine speed sensitive units (which come in both 15:1 and 17.2:1 ratios) have two lines. The tie rods are all the same part number, FB01-32-240A, from 86 through 91.
Old 04-29-05 | 01:49 PM
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Originally Posted by Marcus_F
The 17.2:1 racks were in the GTU-S - so grab the tranny and diff while you're at it!
No, they were on all the 91 non turbos, and some of the 90 non turbos as well
Old 04-29-05 | 03:42 PM
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Originally Posted by Marcus_F

Another question that comes to mind is what kind of power steering? Vehicle speed sensitive units are three line racks (15:1 ratio), while engine speed sensitive units (which come in both 15:1 and 17.2:1 ratios) have two lines. The tie rods are all the same part number, FB01-32-240A, from 86 through 91.
Which models came with the 2 line units?
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