Mercedes Vito Viano W639 Sprinter How to remove install injector copper seals replacement OM646 cdi, Black death, smoke in cabin, leaking injectors

Febi 26712 ceramic grease
Febi 28407 injector bolts


In this step-by-step tutorial, I’ll show you how to replace the injector copper seals (often known as injector washers) on a Mercedes Vito, Viano W639, and Sprinter with the OM646 CDI engine. If you're experiencing issues like black death, smoke inside the cabin, or leaking injectors, this guide is for you!

I’ll walk you through the complete removal and installation process, and explain the signs of injector problems, including that dreaded burnt oil buildup, also known as "black death." This common issue, if left untreated, can lead to performance problems, excess smoke, and serious engine damage.

🔧 What you’ll learn in this video:

Symptoms of leaking injectors and copper seal failure
How to safely remove injectors on the OM646 CDI engine
How to install new injector copper seals to prevent leaks
Tips on cleaning and avoiding damage to your injectors and seats
What tools you’ll need to complete this DIY fix
🔨 Tools & Parts Required:

Injector puller
Torque wrench
Injector copper seals (OEM recommended)
Cleaning brushes and solvent
If you’re noticing smoke in the cabin, hearing hissing sounds, or dealing with performance issues, this repair could save you from costly damage down the road.

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#MercedesVito #VianoW639 #Sprinter #InjectorReplacement #OM646 #BlackDeath #DieselRepair #InjectorSealFix

Hochgeladen am 21.09.2024   Problem melden   Dieses Video bei YouTube   The Keen Mechanic bei Youtube