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"How do I get the air out of my hydraulic system"?
Remove the reservoir plug on the motor pump. Leave the plug out and do not put back until you have finished.
Fill the reservoir 3/4 full with fluid (to the bottom of filler plug hole). Put a rag under the hole to catch overflow that will occur as system fills.
Run the pump for 15-20 seconds. Stop. Check your fluid level and refill to bottom of filler hole. Continue running the motor in the same direction for an additional 15-20 seconds. When the top gets to the end of cycle, check your fluid level, fill to bottom of filler hole, and run the motor in the opposite direction.
You are literally running the top all the way up and down sereral times. Checking the fluid level as you go and fill as required, leaving reservoir 25% empty.
When you are no longer able to add fluid, put the top in the down position. Check the fluid level one last time, should be to bottom of filler hole. Put the plug into reservoir.
"How do I get the air out of my hydraulic system"?
Remove the reservoir plug on the motor pump. Leave the plug out and do not put back until you have finished.
Fill the reservoir 3/4 full with fluid (to the bottom of filler plug hole). Put a rag under the hole to catch overflow that will occur as system fills.
Run the pump for 15-20 seconds. Stop. Check your fluid level and refill to bottom of filler hole. Continue running the motor in the same direction for an additional 15-20 seconds. When the top gets to the end of cycle, check your fluid level, fill to bottom of filler hole, and run the motor in the opposite direction.
You are literally running the top all the way up and down sereral times. Checking the fluid level as you go and fill as required, leaving reservoir 25% empty.
When you are no longer able to add fluid, put the top in the down position. Check the fluid level one last time, should be to bottom of filler hole. Put the plug into reservoir.
do you hear hydralic motor if not use test light while operating control switch up and down position, you need a helper for this procedure.if power is at switch, see if power at hydralic motor while helper work the control switch, if no power at motor hook test light to good ground if no power at hydralic motor check fuse.if power at hydralic motor and you hear no sound hydralic motor bad.if power going to control switch and not to hydralic motor either control switch bad or you have broke loose wire at switch going to motor.if all electrical system okay and when you work the up switch and hear hydralic motor running your hydralic fluid level low reason why convertible top not going up.check fluid level at the side of the motor and pump you should see screw type check plug.you should have see through side reservoir fluid level should be between min and max marks.if fluid is low check for leaks at the pump hoses and hydralic cylinders.
LISTEN FOR HYDRALIC PUMP MOTOR OPERATION IN THE TRUNK AREA..IF YES YOU HEAR HYDRALIC PUMP MOTOR RUNNING MAKING A NOISE.CHECK HYDRALIC PUMP FLUID LEVEL BY REMOVING THE SCREW TYPE CHECK PLUG.PLACE RAGS UNDER THE CHECK PLUG.AND UNSCREW REMOVE THE CHECK PLUG. FLUID SHOULD BE 1/4 INCH BELOW THE CHECK PLUG HOLE.IF FLUID IS LOW ADD FLUID UNTIL FLUID LEVEL 1/4 INCH FROM THE PLUG HOLE.IF HYDRALIC FLUID WAS WAY LOW YOU NEED TO BLEED AIR OUT OF THE SYSTEM.MAKE SURE FLUID LEVEL CORRECT.START ENGINE AND TRY RAISING AND LOWER THE CONVERTIBLE TOP USING THE SWITCH.IF TOO MUCH AIR GOT IN SYSTEM.HAVE A HELPER WORK UP AND DOWN CONTROL SWITCH WHILE YOU MANUAL OPEN CLOSE CONVERTIBLE TOP BY HANDS BLEEDING AIR OUT OF SYSTEM.KEEP EYE ON HYDRALIC FLUID LEVEL WHILE BLEEDING THE SYSTEM..LOWER THE TOP AND TURN OFF ENGINE. BEFORE OPENING THE HYDRALIC PUMP FLUID CHECK PLUG BECAUSE FLUID WILL SPRAY EVERY WHERE..IF HYDRALIC PUMP CHECK OUT OKAY AND YOU DO NOT HEAR NO HYDRALIC PUMP NOISE.POWER IS GOING TO HYDRALIC PUMP.EITHER HYDRALIC PUMP MOTOR FAULTY OR FAULTY HYDRALIC PUMP RELAY BEST TO LET MERCEDES BENZ DEALERSHIP CHECK IT OUT...
Check the level in the power steering fluid reservoir. You most likely need a top up. The noise is caused by the pump effectively pumping air through the system. Top up to the level marked in the reservoir then turn on the engine and move the steering wheel around for a wile then turn off an re top up to the level marked in the reservoir and all should then be OK. Make sure you use the correct fluid for the car – usually a Red Dexron Hydraulic Fluid.
the motor just pumps hydraulic fluid into the lift pistons. If you are low on fluid, the motor can't create enough pressure to run the pistons. Check the fluid level.
Carefully remove the rubber fill plug from the back and the reservoir and check the fluid level. The level should be at the bottom of the filler hole. If necessary, add Synthetic Mercon® Multi-Purpose Automatic transmission fluid E6AZ-19582-B or equivalent meeting Ford specification ESR-M2C163-A2.
CAUTION: Do not overfill or the reservoir seal could be blown out.
You are probably low on fluid.
Behind the rear seat is the motor/pump/reservoir.
With the top down, fill the reservoir with ATF.
Cycle the system a few times.
Repeat till the reservoir will accept no mor fluid.
Chedk the lines and cylinders for leaks. The fluid must be going someplace.
You can change it to a manual top by removing the bolt at the top of the cylinders and lowering the both shafts down into the cylinders.
You are probably low on fluid.
Behind the rear seat is your motor/pump/reservoir combination.
With the top down, fill the reservoir to overflowing with ATF.
Cycle the system a few times and repeat.
Do this till the reservoir will take no more fluid.
Check the lines and cylinders for leaks. The fluid must be going somewhere.
If you replace any lines or cylinders, always do them in pairs.
You are probably low on fluid.
Behind the rear seat is your motor/pump/reservoir combination.
With the top down, fill the reservoir to overflowing with ATF.
Cycle the system a few times and repeat.
Do this till the reservoir will take no more fluid.
Check the lines and cylinders for leaks. If you replace any lines or cylinders, always do them in pairs.
Karl at Topgunwon.com
CAUTION: Do not overfill or the reservoir seal could be blown out. 
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