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We recently pulled the engine from Vu’s 1999 Porsche 996 Carrera because it was time to replace some chain ramp pads. It was the perfect time to inspect it from all angles with Jake Raby of Flat Six Innovations, who shows us the common failure points of these engines, describes symptoms, and what can be done to fix them. This video is not an in-depth how-to DIY, but rather an in-depth resource to help owners and potential owners learn best practices to take care of their engines. This video is presented with the engine from a 1999 996 Carrera, but much of the information can be applied to the 986/987/996/997-gen Boxster/Cayman/911 (1997-2008) with M96 and M97 engines.
0:00 – Intro
00:47 – Vu shares some good tools to have
1:30 – Vu explains why we pulled the motor
4:14 – Do I disconnect the AC lines?
6:18 – Organizing and some while-you’re-in-there considerations with Charles Navarro
8:28 – Expert Jake Raby explains in-depth why we pulled the motor plus how to examine it at the surface level
9:04 – Slave cylinder – to replace or not to replace?
11:00 – The gearbox: things to consider when removing it
14:07 – Crankshaft position sensor and (for cars with throttle cable) idle air regulator
17:18 – Air-Oil Separator (AOS)
24:15 – Two-chamber “motorsport” AOS
29:30 – Coil packs
30:39 – Variable valve timing wear pads
33:26 – Camshaft position deviation and how it tells you if you need new wear pads (on five-chain engines)
35:53 – Oil-filler tube
39:39 – Plastic coolant pipe/junction next to idler pulley
42:10 – Water pump
43:21 – Rubber hoses and the problems oil-coolant intermix can cause
45:39 – Power-steering hoses
46:48 – Air-conditioning compressor removal/installation tips
48:33 – Engine bay temperature sensor
49:50 – Engine oil pressure sensor
53:17 – Fuel injectors
55:03 – Engine ground strap
56:48 – Valve cover removal clearance on oil-filter side of engine (passenger side in US cars). Short answer, headers don’t need to be removed.
58:10 – Fuel-pressure regulator
58:43 – Oil-coolant heat exchanger
1:04:04 – Starter motor
1:07:35 – Fluid-filled engine mounts
#Porsche996 #DIY
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Fantastic amount of knowledge, thank you for sharing!
I'm literally hoping my 1999 C2 fails just so I have a reason to have Mr Raby do his engine rebuild magic! 3.8 litres would be insane in this car.
About to hit 100k near trouble free miles, with my luck, probably got one of those bullet proof engines that will last forever:(
At least he didn't "over" sell the way over priced "U"AOS. Having the diaphram remote is nice but the guy selling it tries to make people think you will get hydro-lock the next time you turn the key if you don't spend 8x for his. A huge dose of fearmongering seems to go with ownership of these cars.
I thought only 99 911 have no cam deviation sensor for bank 2
Would love to have this team, including Vu ;), do all this work on my 1999 C2. Are you all opening a secondary shop (wink wink). 170,000 KM on mine with IMS originally changed at 117,000 KM.