For a good many years now KW has used engine motor oil as a power steering fluid. I would ask TRW or Fleetpride what to use. I would drain the system as well as possible and start with new fluid. My opinion.
TRW steering box - reman versus new
Discussion in 'Trucks [ Eighteen Wheelers ]' started by rollin coal, Jul 23, 2014.
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It had ATF in it. The fluid was red and had a burned smell to it. It never needed any oil and I never changed it. Probably never had been changed.
Anyways, this also has me wondering since I have the hoses off if I should bump the starter (not actually start the motor) over so the pump will blow out any small amount of leftover oil that's be in it. Or maybe better just to blow compressed air thru the pump? -
Called TRW and got all the answers I needed. Flush procedure and maintinence. http://www.trucksteering.com/sites/trucksteering.trw.com/files/pdf/TRW800.pdf Oil type. Really he said any spec ATF was fine but when I asked further he said anything that met Allison spec's TES389 dino ATF, or TES295 synthetic ATF.
bigguns Thanks this. -
I know am little to the party, if you are in Chicago this place rebuilds all power steering gear boxes and more. Come with a one year warranty same as a new one
had mine done, Shepherd gearbox WB 100. For. $460.00. In by 9:00 am out by 2:00 pm that day.
Midwest Remanufacturing
5836 W. 66th Street
Bedford Park il.
800-634-5829
www.mwreman.com -
That's good to know as I have a buddy who lives it that area he'll see this post. Good price. But for me it's not worth it too far away.
mp4694330 Thanks this. -
I just use the walmart brand ATF for GM and Ford trannies.
I have a Ross box though. A little adjustment really helps take up the slack. There's a hole in my FLD frame to get a screwdriver on it. My service manual explains it all. It moves the sector shaft.
Are you saying KWs don't have that hole in the frame to get a screwdriver on it? -
No. Should have popped a hole in there while I had it off. Yeah that link explains how to adjust it on mine. You guys are probably right about adjusting it but the thing is the pitman arm always kept working loose. Replaced it once. The splines were bad on it and didn't look so great on the output shaft either. TRW claims they very seldom have to replace much of anything besides new seals when they reman steering boxes.
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There is a hole in the frame, what I use to do is, turn the wheel full left, take a socket 3/4 inch and back off the nut it will take the adjuster screw with it then using a socket screw driver hold the screw and with the wrench between the frame and box hold the nut, and turn the screw in about two turns, then screw in the adjuster screw till it bottoms out, back it out 1/8 of a turn and tighten the nut. Turn the wheels straight and check the adjustment, road test around the yard to be sure it does not lock up in full turns, hard left and right.
On the fluid to use, 15/40 is the very best, it has better lubricity and will handle a lot more heat, one other thing is you have it, when you fill the resivour, there is no extra jug to keep.rollin coal Thanks this. -
My experience with remans is wishing I would have bought a new one. The first one was sloppy and wouldn't pass my next quarterly inspection. The second leaked and this third one is finally working. I paid to have the second changed being it was already at the shop and did the 3rd again myself.
There is a filter in your reservoir. Make sure you change it. I change mine once a year. I started running AMSOIL in my transmission and now have it in my engine, power steering, and front drive axle. (I had 4 gal left of a different brand I put in the rear drive). They will ship directly to you if there isn't a dealer near you. I use their ATF in the power steering. Their 5W40 diesel oil is SN rated for gas engines. I'm using it in a 6.8L V10 and a 3.4L V6. The more I use their oil, the more I want to switch everything I own to AMSOIL. Start with their trans mission oil, it will shift smoother. -
- Fluid *AND* filter should be changed once a year
- Make sure there's no air left, instructions have a procedure for this. Just topping it up won't get rid of the air
- I haven't had luck with remans, but those were bought from a local shop. TRW remans are good.
- Some trucks you need to take the steering box off to do the adjustment
- There's lots of parts that wear out in the box
- The most finicky is the output to the pitmen arm, if that wears or gets pitting your seal will no longer work. Machining this etc.. rarely helps.
- Do not re use the bolt and nut on the pitmen arm. Torque to spec. Single use only.
- Burnt oil likely means the filter is plugged
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