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Old 01-05-2009, 04:58 AM   eBay Motors  #1 (permalink)
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Power steering bleeding

Morning gents.

I need to know if there is a specific way to bleed the steering gear box? Here is why it needs to be done. It all started out as a complete front end job, new balljoints, pitman arm, ilderarm and idlerarm bracket, and new tie rods (inner and outer). Well in the process of trying to get that damn pitman arm off we sprung a leak in the powersteering gear box. So I bought a new one, and did like you always do and turn the wheel back and forth. After about 50 of these back and forth's it still gives a little squeal (not much). So I take it for a ride and make a bunch of left and right turns, with a bunch of stopping and starting, but still squeals a little (not much). Should I do a complete PS Flush? It was just done less than 500miles ago!
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Old 01-05-2009, 05:10 AM   eBay Motors  #2 (permalink)
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When you start the truck make sure you ps fluid is topped off. Start the truck step on the brakes. Turn the wheel all the way to the left then all the way to the right with your foot on the brake (makes sure you don’t get air in the hydro boost). If you feel it get stiff and hard to turn you might need to top off your fluid again. Once you have finished with that top off the fluid again and you should be good to go.
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Old 01-05-2009, 05:16 AM   eBay Motors  #3 (permalink)
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Yup that is about what I did... Huh.. When I step on the brakes and steer left and right the brake pedal will give one outward pulse??? There is still air bubbles in the reservoir and when I remove the cap it is under a little pressure, but it does not spay out if the cap is removed.. I how do you get the air out of the hydro boost unit?
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Old 01-05-2009, 05:20 AM   eBay Motors  #4 (permalink)
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Same way. it will just take longer.
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Marty

2010 GMC Sierra CC SB 4X4 Cognito 6" lift and 315/70/17 ATP Tuned!!

2008 GMC Sierra Crew Cab 4X4 (wifes) Zone lift set close to 4" 305/70/17's Hankook Dyna Pro RF-10 ATM
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Old 01-05-2009, 05:34 AM   eBay Motors  #5 (permalink)
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Thanks!!!!!! Time go out and do it, I suppose I will just do another flush while am at it, as the gearbox came with tranny fluid in it, and I do not know how well tranny and PS fluid mix
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Old 01-05-2009, 06:20 AM   eBay Motors  #6 (permalink)
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i have taken the return lines off to get some of the air out and let the fluid drain in a pan. also i have just had to pump the shit outta the brakes and turn the wheel a bunch. i always did this with the fuel cut off so it wouldnt run it was just crank.
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Old 01-05-2009, 06:27 AM   eBay Motors  #7 (permalink)
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They will mix just fine.
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2010 GMC Sierra CC SB 4X4 Cognito 6" lift and 315/70/17 ATP Tuned!!

2008 GMC Sierra Crew Cab 4X4 (wifes) Zone lift set close to 4" 305/70/17's Hankook Dyna Pro RF-10 ATM
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