1993 Nissan Maxima rack and pinion rebuilding assistance. Rack is removed, and disassembled, with the exception of ONE oil seal (inner rack seal), which I simply cannot budge. Need info or knowledge pertaining to HOW on earth to remove that stubborn seal.
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Hi, welcome to FixYa.com my name is Shawn and I will be answering your
It is possible to rebuild power steering racks but most mechanics have not done it in years and some require special tools to perform the procedure. Industry standard is to replace the power steering rack assembly. If there is a fluid leak in the boot the rack needs to be replaced.
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You can either have your Rack and Pinion rebuilt, or you can replace it with a new or remanufactured one. Anyhow, it needs to be replaced or you will continue to lose fluid, and the problem will get worse.
I am a Nissan ceritifed Scope Technician with over 10 years experience in a Nissan dealership.
To me, it sounds like your problem is "morning sickness". The problem is there only after the vehicle sits for a period of a few hours (overnight) and then is gone once the vehicle warms up some.
What happens with "morning sickness" is this: there are nylon rings in the pinion section of the steering rack and pinion. Over time, these nylon rings wear grooves into the aluminum housing in which they reside. When the steering rack and pinion is cold, the pressurized power steering fluid can move past these rings causing difficulty in steering or an unsmooth steering condition. Once the fluid warms up some, the nylon rings expand and seal the gap and fluid can't get past anymore and it stays where it's supposed to be, leading to the normal steering you experience the rest of the day.
The only repair for this condition is to replace the power steering rack and pinion. A used one can be a gamble as this could reoccur in a short time. A brand new one is overly expensive. That leaves a good quality aftermarked remanufactured rack and pinion as your best option. And be sure to have the vehicle aligned when that work is completed.