►Porsche 996 911 engines feature an air oil separator, also commonly referred to as the AOS. If this is failing, you can experience numerous symptoms, and although they can show up at any time, most begin to show around 60,000-80,000 miles. Some symptoms of a failing PCV system on your Porsche 996 may be more difficult to diagnose than others, with the most common being:
Vacuum Leaks
Illuminated Check Engine Light
Illuminated Oil Pressure Light
Rough Idle
High Oil Consumption
Lean & Misfire Codes
Idle Regulation Codes
Whistling Noise from Engine Cover
Oil Leak From Rear Main Seal
The symptoms are easily diagnosed as other failures; however, the PCV system should always be checked early on in the diagnostic process as it's easy to replace/repair, and the parts are affordable.
Today, Michael Hidalgo, one of FCP Euro's resident 996 enthusiasts, is here to show you how you can gain access and replace your Porsche 996 AOS, step-by-step at home in your garage.
#fcpeuro #porsche996 #porsche911
Find all of our Porsche 996 DIYs, guides, deals & more at [ Ссылка ].
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00:00 - Intro and Tools Needed
03:04 - Disconnect the Battery
03:44 - Remove Air Box Assembly
04:51 - Remove Secondary Air Pump
06:22 - Remove Accessory Belt
06:57 - Loosen Engine Mounts and Lower The Engine
07:58 - Remove Throttle Body
11:22 - Remove Front Intake Plenum
15:01 - Remove Driver Side Intake Manifold
18:27 - Remove Power Steering Reservoir
22:33 - Remove Junction Box on Manifold
24:45 - Remove AC Compressor
30:53 - Remove Passenger Side Manifold
32:04 - Remove Rear Driver Side Wheel
32:37 - Remove AOS From Underneath
35:41 - Attach and Align lines on the New AOS
37:40 - Install New AOS Into The Car
41:29 - Remove AOS Line
43:07 - Install New AOS Line
46:09 - Bolt-In AOS Bracket
47:04 - Replace Small Breather Line
49:30 - Replace Manifold Gaskets and Re-Install Passenger Side Manifold
51:11 - Reinstall AC Compressor
53:00 - Reinstall Temperature Sensor
54:22 - Reinstall Junction Box
56:07 - Reinstall Driver Side Manifold with Both Intake Plenums
01:03:22 - Reinstall Power Steering Reservoir
01:04:46 - Reinstall Throttle Body
01:06:58 - Raise Engine Into Place and Secure Motor Mounts
01:07:22 - Reinstall Secondary Air Pump
01:08:45 - Reinstall Accessory Belt
01:09:53 - Reinstall Air Box Assembly
01:11:39 - Conclusion - Thanks For Watching
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