Don't use this bleeding procedure and all is in order again

This is the third and the last part from "The Complete Guide to Critical Components in Your Hydraulic System and Bleeding Procedures - 3 Part Video Series".
Here is you will see a popular but terrible bleeding procedure and we do conclusions for all three parts.
Part I: • Hydraulic Steering Cri...
Part II: • Hydraulic Steering Ble...
Part III: • Don't use this bleedin...
0:00 Scientific approach to a popular procedure.
4:00 Procedure in detail and impressions from it.
11:28 Bah! (not Johann).
13:12 Push pah pff procedure for correction: more details here • Hydraulic Steering Ble...
14:24 The classic procedure will not solve this problem.
17:30 Recording the results of the autopilot pump operation: we got the required 7 seconds again.
** WHAT (ELSE) IS BAD ABOUT THIS BLEEDING PROCEDURE **
18:52 About oil filtration.
21:32 About draining old oil.
22:12 Summary on this part.
24:01 Unofficial.
24:28 Recording the results of the steering wheel turns: we got the required 5.6 turns from lock to lock again.
25:05 Full summary of all parts.
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FULL PROJECT FOR HYDRAULIC + AUTOPILOT ON MERCURY.
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Part 1: • I want to steer softly...
Start of a project to replace mechanical steering wheels with hydraulic ones. Let's figure out how the mechanical steering works and install a helm pump.
Part 2: • SearFirst Hydraulic St...
About fittings when you want to inject a reversing autopilot pump to your hydraulic SearFirst steering.
Part 3: • Seafirst MO150H-R1 Hyd...
Let's see if Seafirst MO150H-R1 will fit on Mercury 40, 50, 60 EFI. Ultimate installation instruction with all problems you may met.
Part 4: • Hy-ProDrive PR+ / Raym...
How you connect Hy-ProDrive / Raymarine autopilot reversing pump with your SeaFirst helm pump - full details.
Part 5: • Simrad NAC-2 and AP44 ...
Autopilot NAC-2 + AP44 + Precision 9 packaging and preparation of mounting holes (bonus: briefly iSocket Multi Liquid Detector)
Part 6: • Precision 9 Compass an...
Simrad Precision 9 installation with iSocket Float Sensor to detect flood near the compass.
Part 7: • Epic Drama of Filling ...
Final connections and filling, passing through the hull of the boat.
Part 8: • Hydraulic Steering Ble...
Correcting the consequences of the bleeding procedure and eliminating the backlash.
Part 9: • DEUTSCH Connectors Bas...
A neat way to connect your AP to NAC-2.
Part 10: • Simrad AP44 Installati...
Installation of the Simrad AP44 autopilot controller, commissioning with the NAC-2 autopilot and some calibration of the virtual rudder (VRF).
BONUSES:
Simrad AP44 and NAC-2 update: • How To Update Simrad A...
Correct volume for the autopilot (AP) pump: • How To Size Autopilot ...
Bleeders on SearFirst ram: • What bleeders are used...
Chinese junk for bleeding steering system: • Hydraulic Steering Ble...
A rig for convenient bleeding of the autopilot pump: • PWM Test Rig For Autop...