How NOT to flush your power steering fluid

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eran tomer

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Well, I just remember I actually have a .pdf users' manual for 1997 Tahoes and there is a list of fluids and lubricants in page 7-49: power steering pump should use "GM Power Steering Fluid (GM Part No. 1052884 - 1 pint, 1050017 - 1 quart, or equivalent)".
then how much fluid gets in there?
 

alpinecrick

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Thank goodness for my MityVac. I just suck the fluid out of the reservoir, refill, and repeat the next couple weekends. Or every oil change just suck the fluid out of the reservoir and refill.
 

Supercharged111

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Thank goodness for my MityVac. I just suck the fluid out of the reservoir, refill, and repeat the next couple weekends. Or every oil change just suck the fluid out of the reservoir and refill.

I've tried that with power steering, brakes, and equivalently a filter only change and refill on the trans. That method sucks for all 3. Even a coolant purge I prefer to drain the block.
 

MatSLO

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then how much fluid gets in there?
I bought 4 liters of Ravenol PSY-F. Would be better if I got another liter.
I did the flush as shown here:
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It went very well, I'm happy with the results.
 
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alpinecrick

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I've tried that with power steering, brakes, and equivalently a filter only change and refill on the trans. That method sucks for all 3. Even a coolant purge I prefer to drain the block.
I have yet to see anything besides the old fashion way work well when it comes to bleeding brakes. For coolant I pull the lower hose, or if I’m serious remove the knock sensor. For everything else the MityVac is cleaner and quicker. I do use it to suck the old brake fluid out of the reservoir when bleeding brakes…..
 
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