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Re: 69 c10 power steering fluid
Use only Power Steering Fluid, not ATF. ATF will foam and not work well at all. I have been wrenching on cars/trucks for 30 some yrs. and I thought ATF would be ok. Then I used some ATF when I swaped steering boxes. Big mistake!! Pwr steering fluid is made to handle a lot higher pressures then ATF. I had to use a suction gun (looks like a grease gun ) to remove the ATF then replace it with the PSF.........
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