Some engines are more popular than others. For example, the pre-emissions Duramax engines made between 2001 and 2007 are highly sought-after for superior reliability.
How many miles will a 6.6 Duramax last?
For the average diesel truck, you can drive 100,000 miles or more before having to worry about the water pump failing.
Why is the LBZ Duramax the best?
The LBZ employed a thicker engine block casting, meatier connecting rods, and a higher pressure common-rail fuel system. This gave it more power and reliability versus any other Duramax to that point.
What year Duramax has head gasket problems?
These are both relatively common problems you might expect to deal with on the 2001-2004 LB7 Duramax, but you can rest a bit easier knowing the aftermarket has had a decade to develop and perfect the parts you need to correct it.
What year Duramax is most reliable? – Related Questions
What is the most sought after Duramax engine?
2006-2007 2500 & 3500
Perhaps the most desired of all Duramax models are the ’06-’07 Classic body style trucks.
What years did Duramax have problems?
LML: 2011 – 2016
The power was increased for this year to almost 400 horsepower and 765 pound-feet of torque. To get this type of power without compromising emissions, GM had to increase the fuel system pressure. Unfortunately, this led to the injection pump becoming a ticking time bomb.
Do Duramax have head gasket problems?
No matter which gasket design your Duramax has, they are all susceptible to overheating – the #1 reason for failure. Gaskets live a very hard life, in a harsh environment that deals with extreme temperature and pressure changes.
At what mileage do head gaskets fail?
How Long Do Head Gaskets Last? Head gaskets typically last 200,000 miles, which is considered about the lifetime of most cars. That means, if you look after your car and follow the service schedule, you should never be faced with a blown head gasket.
Can I drive my Duramax with a blown head gasket?
K-Seal can stop the problem in its tracks, before it’s too late. Technically you can drive with a blown head gasket, but we’d always advise against it.
How do I know if I have an LLY or LBZ?
The Duramax engine has evolved from the original LB7 series to include the LLY, LBZ, LMM, LML/LGH, and now the L5P series. The simplest way to verify which series Duramax you have is interpreting the VIN# of the truck. With some exceptions, the 8th digit is the engine ID and it will either be a 1, 2, D, 6, 8, L, or Y.
When did LLY Duramax end?
LLY. The LLY (internally called the 8GF1) (engine code “2”) is a 6.6 L; 403.9 cu in (6,619 cc) turbocharged engine which debuted in mid-2004 and continued until the end of 2005.
Is LB7 better than lly?
The LB7 was the simplest in terms of emissions controls, while the LLY came with the largest turbocharger ever offered. The LBZ packed a host of improvements, including considerably more power, and the LMM was nearly a mirror image of it aside from its use of a diesel particulate filter.
When was the LBZ discontinued?
GM 6.6 Liter LBZ V-8 Duramax Turbo Diesel Engine
| Displacement: |
6.6L / 403 cu. in. |
| Vehicles: |
Chevrolet Silverado HD, GMC Sierra HD |
| Introduced: |
Mid-2006 model year |
| Discontinued: |
2007 model year |
| Predecessor: |
LLY Duramax V8 |
Which Duramax to avoid?
The Duramax has a long history. We recommend avoiding any GM vehicle equipped with the 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, and 2010 Duramax engines. In short, the newer model years show improved performance.
Is Powerstroke better than Duramax?
Both the Ram’s Cummins (seen above) and Ford’s Power Stroke can pull over that amount, but the Duramax lags with a total towing capacity of 23,300. The Power Stroke wins here again with a total towing amount of 34,000 pounds versus Ram’s 31,210 pounds.
How many miles per gallon does a 6.6 Duramax diesel get?
This Duramax 6.6-liter V-8 gets 17 to 19 mpg on the highway.
How long should I let my diesel truck warm up?
As a general rule of thumb, if it is below zero degrees Fahrenheit, you should allow your engine up to seven minutes to warm up. If the temperature is between zero and fifty degrees, the warm-up period should be three to five minutes. Over fifty degrees will only require one or two minutes to warm up.
How often do you change oil in a 6.6 Duramax diesel?
To keep your Warranty from voiding, you will need to follow your vehicle’s manufacturer recommendations, change your vehicle’s oil before 7500 miles, or at least once a year, whichever occurs first. My manufacturer recommends changing the oil between 5,000-7,000 miles.
Which diesel pickup is most reliable?
10 Most Reliable Diesel Pickup Trucks You Can Buy Used
- 8/10 2007 Chevrolet 3500HD.
- 7/10 1993 Dodge W250.
- 6/10 2018 Dodge Ram 3500.
- 5/10 2020 Ford F-350 Super Duty.
- 4/10 2017 Nissan Titan XD.
- 3/10 2020 GMC Sierra 1500.
- 2/10 2020 Chevrolet Silverado 1500.
- 1/10 2018 Ford F-150.
What diesel engine has the least problems?
The 7.3L Powerstroke is still considered one of the most reliable diesel engines ever made. It also has plenty of power for most applications, with 500 pound-feet of torque and 235 horsepower. It was built for the long haul, too with an air-to-air intercooler, oil-based fueling, and durable internal hard parts.