►One major drawback to all modern-day direct-injected cars is that carbon deposits build up over time and need to be removed at regular intervals. Carbon buildup is due to the fact that fuel is not injected over the intake valves like in a traditional port-injected car, but instead injected directly into the combustion chamber.
In this DIY, Cory Calvin shows us how to clean the intake valves of the detrimental carbon buildup on a 2013 Audi S4 with the 3.0t engine. This DIY is generally the same for other B8 model S4, SQ5, S5, or any Audi with the 3.0t Engine.
Read this DIY on our blog: [ Ссылка ]
If you'd like to learn more about direct-inject be sure to check out our deep dive here: [ Ссылка ]
Audi B8/B8.5 S4 - 3.0t - Water pump and Thermostat Replacement DIY(S4, S5, SQ5, and More!)
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Read more Audi DIYs, guides, and features on our blog: [ Ссылка ]
Shop Tools Used In This Video:
Audi VW Direct Injection Head Port Cleaning Tool - 034Motorsport -
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Walnut Shells Abrasive Blast Media (10LBS) - 40112-
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Abrasive Pressure Blaster - 98030-
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WiFi Borescope - Cal-Van CV84-
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Audi VW Crankshaft Socket - CTA 1412-
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Fluid Extractor - CTA 6510-
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Valve Clean - Liqui Moly LM2001
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Audi VW PCV Valve Hose - Genuine Audi VW 06E103213-
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Audi VW Coolant/Antifreeze - Genuine VW GA137741GDSP-
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Audi VW Fuel Injection Nozzle O-Ring Kit - Genuine VW Audi 06E998907E-
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Audi VW Intake Manifold Gasket - Elring 079129717D-
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Fits These Cars:
Audi Q7
2011-2015 Audi Q7
Audi A7 Quattro
2012-2015 Audi A7 Quattro
Audi A6 Quattro
2012-2015 Audi A6 Quattro
Audi A8 Quattro
2013-2014 Audi A8 Quattro
Audi S4
2013-2016 Audi S4
Audi S5
2013-2017 Audi S5
Audi Q5
2013-2017 Audi Q5
Audi SQ5
2014-2017 Audi SQ5
00:00 - The Parts You Need for this Job
01:15 - What Tools You Need to Walnut Blast Your Audi
02:00 - How To Remove The Intake Manifold
13:07 - Remove Dividers
13:25 - Clean Cover and Prepare Surfaces/Ports
13:34 - How to Turn over the Engine and Close Valves
14:18 - Use Pick to Clean of big chunks of Carbon Deposits
14:28 - Walnut Blasting the Intake Ports and Valves
17:14 - Clean off the Port Dividers
18:18- Replace Gaskets & Reinstall Everything we took Off
29:38 - Refill The Cooling System
33:45 - Start Engine and Ensure System is running Correctly
34:35 - We Did It! Clean Intake Valves
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