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2008 2500HD power steering problems


harrison.galaway

Question

I drive my 2008 Chevy 2500HD (6.0 gas) as both my work and personal truck for agriculture. I have a tendency to get in some tight muddy spots and spend a lot of time in 4wd. This summer has been particularly wet and in the last two months I have placed the power steering pump twice (once due to a poor rebuild). Recently the pump went out again with its usual grinding noise and almost no pressure. I'm wondering if there is anything I can do to prevent this from happening and how hard the pump is to replace so that I can avoid the $200 some dollar bill I get from the local mechanic.

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You say that you changed the pump once, but it was defective from the rebuilders, and that pump again has failed. Was the rebuilder that did the first rebuild the same one that did the replacement for the defective one?

 

I think having a pump go in the first place is odd, so having one go more than that many times in a few months is even more odd. Perhaps it is failing now due to how it was rebuilt, again.

 

If running in 4wd in "tight muddy spots" was causing the pump to fail, there would be lots of complaints from snow plow operators wouldn't there? I think you may have had one pump fail, and have found a rebuilder that you should be avoiding. Make sure that the power steering cooler(if so equipped) is still being used, and is not covered in mud. About the only way a power steering can be abused enough to fail would be if you constantly kept the steering wheels in ruts that prevented them from being turned to get you out of the rut, so you basically held the steering wheel against the locked wheel and overheated the pump. Are you doing that? If so, you need to stop holding the steering wheel against the steering stops for long times, and find a different way to get out of that situation.

 

As to replacing the pump, if it takes a professional a couple of hours to actually do the work, then you can count on it taking you just as long, maybe longer the first time.

 

Personally, I have not run into any job on a car or truck that I would call "hard". I have done many that were time consuming, many that were awkward, even some that I physically could not complete due to size(either mine or area work was done in), but I do not recall any job that was too hard to do. In mechanics, the hard part is the diagnosis, not the repair.

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