Steering hose to steering actuator - compression or o'ring

[highpowerdad]

quick question, on the SX-M type drives, for the steering actuator, do the two hoses attaching to the actuator have o'rings or are they compression fittings?

Thanks
Scott R.
2005 volvo penta 5.0 gxi

 

[Bondo]

Ayuh,.... I believe they're inverted flare,.....

 

[Fun Times]

Steering

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That mentioned of the hose ends, the fittings that go into the actuator have O-rings,

Steering Cylinder

Make sure to keep your Volvo Penta Genuine!

www.volvopenta.com

Steering Cylinder

Make sure to keep your Volvo Penta Genuine!

www.volvopenta.com

May as well mention some VP actuators might be re-buildable of the seals, etc. if they are leaking in certain areas of your design actuator.

For Volvo Penta SX Series Power Steering Cylinder Actuator Rebuild Seal 3858128 | eBay

Replace Part Number: 3858128. This seal kit will repair leaks from the rod end on a (for) Volvo Penta 3858128 steering actuator (also known as the old style actuator). For Volvo Penta 3858128 SX series Steering Actuator.

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VOLVO PENTA power steering actuator kit 3812269 3860883 3862210 386251 FSM018 | eBay

This is a high quality steering actuator rebuild kit, these steering assist assemblies were build with faulty rod shaft seals. Modern oils are mostly synthetic and full of swelling agents and high detergent properties this can degrade seals very quickly and swell new seals to the point of leaking.

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[Lou C]

The end with the O ring looks just like the ones used on trim rams.

 

[Scott Danforth]

SAE inverted flare on one end. Metric o-ring fitting on the other

any hydraulic hose shop can make hoses.

 

[highpowerdad]

All, thanks for the replies, it was the rings that go between the actuator body and the fitting that confused me, for some reason I was remembering them on the hose side. Compression fitting, no oring, got it, thanks.

As for the leaking actuator, yeah, the last new one I had installed lasted a little over a year, maybe 50 hours… might have to treat them as a yearly rebuild…

The used ones I got to rebuild ahead of time have a lot of wear and scratches on the larger dia that the shuttle runs on… so the chance of leaking there is also high…

 

[Lou C]

They shouid last longer than that! I would only use a non pitted cylinder that’s probably the cause of leaks. I installed a used old style OMC/Merc unit 4 years ago and no leaks. These are different though than the later style used by OMC/Volvo & Merc. The control valves can be rebuilt but the cylinders can’t be AFAIK. The old Bendix style units use a control valve similar to the ones used on classic cars like Corvettes from 63-83 and all the unibody Fords from the 60s—70s…