should the primer bulb on the vro oil line be as soft as the gas line bulb
No.... The oil primer bulb, once it's been primed properly at the engine (as follows) should "always" be hard as a rock.
If you can compress it as you would the fuel primer bulb, it contains air... in which case, prime it.
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(Priming The VRO Pump)
(J. Reeves)
When hooking up or installing a VRO whether it is a new or original VRO pump, it must be primed in order to dispel any air that might be in the oil line.
Have the Oil line attached to the engine fitting BUT detached from the VRO. Add a piece of fuel hose if necessary to the oil line so that it can be aimed into some sort of container.
Pump the oil primer bulb, catching the oil flowing out of the line into the container until you are absolutely sure that you have rid the oil line of every bit of air that might have been trapped there.
Now, connect the oil line to the VRO and secure it. When the oil line is secured, apply pressure to the oil primer bulb ONE TIME only. That's it.
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