In today’s video, Jake performs a walnut blasting DIY on an engine. We hope this video DIY guide allows you to save a ton of money, if you already have the proper tools! Carbon buildup is an issue found on many direct injection engines. It can dampen performance quite dramatically, so we advise getting this service done every 80,000 miles. If you were to take it to a shop, they would likely charge around $1000 for carbon buildup removal.

Walnut blasting is a wellknown process that can clean carbon buildup out of the intake ports and valves. Essentially, crushed walnut shells are blasted into the valves with highpressure air slowly wiping away the buildup.

Carbon Buildup Video    • What is Carbon Buildup? | Causes & Sy...  

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00:30 – Overview of this Video
01:33 – Required Tools to Walnut Blast
03:33 – Vehicle Specific Tools
04:08 – Recommended Tools
05:20 – Getting to the Intake Valves
06:05 – Closing the Intake Valves
08:12 – Prepping the Closed Valves
09:06 – Placing the Shop Vac in Place to Start Walnut Blasting
09:51 – Walnut Blasting Illustration
10:03 – How to Clean the Excess Remnants Out of the Valves
11:21 – Time for Brake Cleaner
12:17 – How to Clean Out the Brake Cleaner
13:32 – The Final Result!