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3.0 Duramax Exhaust System


Jun 8, 2022

How much power can a 3.0 Duramax make?

277 horsepower. 460 lb-ft of torque. 9,500 pounds of towing capacity. via

Is the 3.0 Duramax discontinued?

The 3.0-liter Duramax diesel is not being discontinued,” said Megan Soule, manager for Chevrolet trucks and full-size SUV communications. “We have currently paused production of trucks with that engine due to a temporary part shortage. We will resume production with the 3.0-liter Duramax diesel as soon as possible.” via

Does Chevy 3.0 diesel have exhaust brake?

Big Till 3.0

From Diesel manual: Exhaust braking is automatically activated when Tow/Haul Mode is selected. It maintains the vehicle's speed by automatically implementing a shift pattern that uses the engine and the transmission to slow the vehicle. via

Is the 3.0 Duramax problems?

Truck owners are reporting multiple culprits that have fixed the long crank issues on their 3.0-liter Duramax diesel engines. These include, but aren't limited to, a faulty wiring harness, updated ECU, camshaft position exciter wheel, fuse boxes needing to be torqued, faulty actuators and faulty fuel pumps. via

How much HP can a 3.0 Duramax handle?

The inline six motor is inherently balanced, low friction, and low weight compared to some other engine architectures, all of these advantages result in a smoother, cleaner operating engine.

Engine 3.0L LM2 Duramax Diesel
Compression Ration 15.0:1
Horsepower 277 hp at 3,750 RPM
Torque 460 lb-ft at 1,500 RPM


Why did GM stop production of the 3.0 Duramax?

General Motors temporarily stopped taking orders for trucks and SUVs equipped with the 3.0-liter Duramax turbodiesel six-cylinder engine in August 2021 due to a supplier shortage. Reports claimed the pause would last through 2021, but the engine is already back in production. via

How well does the 3.0 Duramax tow?

460 lb-ft of torque. 9,500 pounds of towing capacity. via

Who makes Duramax 3.0 diesel engines?

The Duramax 3.0L I-6 is a turbo-diesel engine produced by General Motors for use in various vehicles, primarily full-size half-ton pickup trucks and potentially SUVs. via

What mpg does a 3.0 Duramax get?

Requires available 3.0L Turbo Diesel engine. EPA est. 23 city/30 hwy mpg (2WD). via

How often do you change the oil in a 3.0 Duramax?

I always change oil on new vehicles between 500-1,000 miles and then each 3,000 after that. via

How often does the 3.0 Duramax Regen?

Registered. Regens on the 3.0l (at least in a truck) last between 10 & 15 miles at highway speed. If you see the keep driving message drive it somewhere where you aren't stopping until it goes away. via

How much HP can a stock Allison 1000 handle?

As you've probably deduced up to this point, the stock Allison will handle roughly 350 to 400-rwhp in five-speed form and 425 to 450-rwhp in six-speed trim. However, if you push things past that point the clutches will eventually slip and bring on the Allison's notorious “limp mode” condition (i.e. limp home mode). via

Where is Duramax 3.0 made?

The 3.0L I6 LM2 Duramax diesel engine is assembled at the GM Flint Engine Plant in Flint, Michigan. It is offered as an option in GM's full-size half-ton pickup trucks and full-size SUVs, including the Chevy Silverado 1500, GMC Sierra 1500, Chevy Tahoe, Chevy Suburban, GMC Yukon, and Cadillac Escalade. via

Does Ford still make the 3.0 diesel?

Orders for turbo diesel can be placed through July 16, 2021 and deliveries will take place through late this the year according to Ford. Engine made debut in 2018 and will only have three-year lifespan for F-150. via

What year did the 3.0 L Duramax come out?

The 3.0-liter PowerStroke V6 diesel engine, which made its debut in 2018 with the previous-generation F-150, will reportedly depart the engine option lineup for the best-selling truck, but specific reasons weren't mentioned in the previous report. via

How much horsepower does a 3.0 v6 turbo diesel have?

3.0L Turbo Diesel 6-Cylinder – Horsepower: 277 hp. via

Is the 2021 Duramax a good engine?

The result is remarkably strong low-end acceleration, though power does flatten when passing from highway speeds. The engine is remarkably smooth, too, especially when mated to the nearly seamless 10-speed automatic. Duramax-equipped Silverados boast a 1,870 pound payload, and 9,300 pounds of towing capacity. via

How long should I let my Duramax warm up?

2-3 minutes is plenty unless it's extremely cold and you didn't plug in the block heater. You need just enough to get oil circulated and let the pistons warm up a little, no more than 10 minutes on a very cold day (-10 and colder). via

Is GM getting rid of the Duramax?

When the new emissions standards kick in starting Jan. 1, 2010, GM will no longer be allowed to use the current Duramax engine in its heavy duty trucks, but it can use engines that were built before the start of the year. via

How much can a 2021 3.0 Duramax tow?

The 2021 Chevrolet Silverado with the 2.7L L3B and four-wheel-drive also now boasts a superior towing capacity to the 3.0L LM2 Duramax model with the four-wheel-drive, beating it by 300 pounds at a capacity of 9,400 pounds. via

What oil is recommended for the 3.0 Duramax?

If your Silverado comes equipped with a 3.0-liter Duramax turbo-diesel, it's important to use SAE 0W-20 DexosD diesel engine oil. The 4.3-liter V6 engine on this year's Silverado uses SAE 5W-30 viscosity grade motor oil. via

What oil filter does a 3.0 Duramax use?

AcDelco PF66 Duramax 3.0L Engine Oil Filter LM2 2020+ via

How much is an oil change on a Duramax?

The average cost for a Chevrolet Silverado 2500 HD oil change is between $224 and $235. Labor costs are estimated between $39 and $49 while parts are priced at $186. via

How do you break in a Duramax 3.0 diesel?

  • After light use for the first 15-20 miles, stop and let the differential cool before proceeding any further.
  • Avoid heavy acceleration and don't do any towing during the first 500 miles.
  • We highly recommend changing the oil after the first 500 miles.
  • via

    How do you force a regeneration on a Duramax?

    In order for the Duramax engine to enter regeneration mode, it must see steady cruise speed, not stop-and-go traffic. If you do not turn off the clean filter message after 20 minutes, you must travel above 30 mph. You should engage in regular speed cruises to ensure that your DPF regenerates. via

    Why does my truck Regen so often?

    Regen problems generally arise where city driving, excessive idling or light duty cycles are encountered. Or, if other engine components such as EGR valves, turbochargers, injectors are fouled or not working properly. DPF regeneration cycles then become more frequent, and more prolonged! via

    Can you drive with exhaust brake on?

    It is recommended to drive with the exhaust brake on. Driving with it on will in no way cause damage to your vehicle. It will also reduce soot from getting into the turbo and preserve the life of your other brakes. via

    How does engine brake work on Duramax?

    It is usually called a Jake nett brake or an Jake brake. It works mainly on diesel engines to assist in engine braking. During the next compression cycle, it opens the exhaust valves of each cylinder, releasing compressed air trapped in each cylinder and speeding the vehicle as a result. via

    Does the Duramax have an engine brake?

    In Duramax-equipped vehicles, a brake system has been introduced. Through the control of the turbocharger's geometry and compression of the engine, it generates backpressure that can keep the vehicle running without brakes for drivers. via

    Is exhaust brake standard on Duramax? (video)


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