Скачать или смотреть 80's Mercedes - OM617 300TD Wagon Valve Adjust & Road Test

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How to Adjust Valves & Change Oil on a 1982 Mercedes 300TD (OM617 Diesel) | Step-by-Step DIY Guide:
Learn how to perform a valve adjustment and oil change on a classic 1982 Mercedes-Benz 300TD Wagon powered by the legendary Mercedes-Benz OM617. In this detailed DIY tutorial, we walk through the full process — from putting the hood in service mode to dialing in precise valve clearances and topping off fresh diesel oil. All while having fun through the process!

If you own a vintage Mercedes-Benz 300TD or any OM617-powered diesel, this video covers everything you need to know to keep your engine running smooth, quiet, and reliable for hundreds of thousands of miles.

🔧 What You'll Learn in This Video:
How to safely put your 300TD hood into service mode
Removing throttle linkages & valve cover properly
Correct valve adjustment specs (cold engine)
Intake: 0.10mm (0.004 in)
Exhaust: 0.30–0.33mm (0.012–0.013 in)
How to rotate the engine by hand (27mm socket method)
Using feeler gauges & valve wrenches correctly
Proper valve cover gasket installation (NO sealant!)
Torque specs for valve cover nuts (20 Nm discussion)
Oil filter replacement procedure
Correct oil capacity (~7.5–8 quarts)
First startup & smooth idle test drive
🛠 Why the OM617 Is Legendary
The turbocharged OM617 is widely regarded as one of the most durable diesel engines ever built. Found in classic 1980s Mercedes wagons and sedans, it’s fully mechanical, incredibly robust, and capable of extreme mileage with basic maintenance.
This engine helped define Mercedes’ reputation for durability — and regular valve adjustments are key to keeping it running “butter smooth.”

🚗 Who This Video Is For:
Mercedes 300TD owners
OM617 diesel enthusiasts
Classic Mercedes restorers
DIY mechanics
Anyone considering buying a vintage Mercedes diesel wagon
Anyone looking for some automotive entertainment
YOU!
Whether you're maintaining your daily driver or preserving a future classic, this step-by-step guide will help you do it right.

📌 Tools & Specs Mentioned:
27mm 3-inch socket 1/2-inch drive (for crank bolt access)
Feeler gauges (.004” intake / .012–.013” exhaust)
Mercedes valve adjustment wrenches (from Mercedes Source.com)
13mm socket
5mm Allen Wrench
Torque wrench (20 Nm recommended in video)
New valve cover gasket (OEM-quality only)
Diesel-rated engine oil 5w-40 (approx. 8 quarts capacity)
💡 Pro Tips Covered:
Why clean mating surfaces matter
Why NOT to use silicone sealant on the valve cover
Lock nut technique for precise 0.004" adjustment
How to avoid overfilling oil
Smooth test drive checklist after service
If you enjoy classic Mercedes content, DIY maintenance guides, and old-school diesel goodness:
👍 Like the video
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💬 Drop your OM617 mileage in the comments

These wagons were built to last — let’s keep them on the road.

Thanks for watching!!!
If you'd like to show your support and look great out on the town or covered in diesel oil in the garage, check out the Be Aircooled web store where you'll find Tees, Hats, and all the merch: https://be-aircooled.myshopify.com

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