Have a small leak in rack pinoin boot

Tiny
ANONYMOUS
  • MEMBER
  • 2003 CADILLAC CTS
  • 10,400 MILES
Have a small leak in rack pinoin boot. No problem steering. The leak is size of silver dollar. COULD YOU TELL ME IF ITS THE BOOT OR WHAT. And how much would it take to fix
Wednesday, October 31st, 2012 AT 2:33 PM

3 Replies

Tiny
CARADIODOC
  • MECHANIC
  • 33,873 POSTS
A silver dollar? What do you consider a large leak?

First of all, if there is power steering fluid leaking out, there is a leaking internal seal and the rack and pinion assembly must be replaced. If no fluid is leaking, that boot is there to keep dirt and water off the very smooth and polished rack. Dirt and rust will lead to leaking fluid.

In the past repair parts were not available to mechanics for rack and pinion assemblies. All we could do was replace them with professionally-rebuilt units. Now there are some places that make parts available but some want to sell entire kits which are not cost-effective if you have to pay someone to make the repairs, and some parts aren't such a good value after you add the cost of shipping. Some auto parts stores have addressed this somewhat common problem by offering aftermarket boots. You'll need to unscrew the outer tie rod end from the inner tie rod to slide the boot over it, then the car will have to be aligned because that threaded connection is one of the critical adjustments.

You can also get a used boot from a pick-your-own-parts salvage yard. There you can take the donor apart to see what is involved. "Pull-A-Part" is a chain of very clean and well-organized yards I visit often between Indianapolis and southern Georgia. Parts are very inexpensive too.
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Wednesday, October 31st, 2012 AT 10:15 PM
Tiny
RJJACKS44
  • MEMBER
  • 1 POST
I had a leak on my 2004 srx it drove me nuts adding fluid all the time. Mechanics wanted to change entire rack with their parts after close inspection I found the leak was from power assit siliniod 209.00 from Cadillac don't sell o'rings. In order to take off old one I purchased a jumbo set of standard (SEA)crows foot wrenches was able to get it off very easily this way for there is not much room.I went to junk yard found wreck power assistance area very clean took off purchased for few dollars installed on mine no more problems! Saved lots of money and now have the set of crows foot wrenches I can always use besides doing work myself I don't have to run back to a mechanic to charge more money because he did a poor job had this happen with other problems!By the way I never found an article in any forums about this issue im sure im not the only one good luck
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Thursday, February 8th, 2018 AT 5:33 AM
Tiny
CARADIODOC
  • MECHANIC
  • 33,873 POSTS
Thanks for the followup. Seems the more unnecessary stuff the engineers pile onto our cars, the more problems they cause.
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Thursday, February 8th, 2018 AT 4:08 PM

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