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post #1 of (permalink) Old 04-24-2001, 08:28 AM
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Do we need to change our Power steering, hydrolic clutch and brake fluid or just top it off when needed? Thanks for any replies to this topic.

1995,4X4,4.3L/TBI,3"Body Lift,Flares,31's,Nerf Bars, K&N,TB/Shackel Lift,Grill/Brush Guard,Double Rear Bar.

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post #2 of (permalink) Old 04-24-2001, 08:08 PM
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Re: Fluids

I dont, although I feel it should be done every so often. Some might say change it when it looks dirty, but in my opinion that is too long to wait. You should really get it out before it gets dirty to prolong the life of the moving parts. If I do any work on the wheel cylinders I try and bleed them till clean fluid runs through. You can pump out the power steering at the return line, just make sure you keep plenty in the resivior. The other you can just pump it through the lines till it comes out clean. It couldnt hurt anything though to do it every year or so I would think would be enough. Like I said I just top them off most of the time though [img]/wwwthreads_images/icons/crazy.gif[/img].

post #3 of (permalink) Old 04-25-2001, 12:04 AM
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Re: Fluids

Brake fluid is hydroscopic, that is it absorbs water over time, even inside your brake system. The moisture will cause rust and corrosion eventually and eat away seals also. I always try to flush it out every 2 years, always using a fresh bottle of fluid(because once you open it, it begins to absorb water). I've heard the synthetic fluids absorb moisture slower, but they cost more.
On the power steering system, you can use a suction gun to suck out the old fluid from the reservior, then bleed the old out of the return line after refilling the reservior with new. Power steering fluid is much like trans fluid in that it carries away metal particles from the moving parts. Both of these are often overlooked prevenative maintenance items that will make your accesories last as long as the rest of your truck.

1989 GMC S-15 4x4 4.3L/700R-4, 3.08s, 31" Sport Kings For Sale
1985 S-10 4x4 Soon to have 3504BM/TH350/D44/14FF, 35" Boggers
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