The safest Duramax model years you can buy are the models produced from 2011 to 2021. These include the Duramax LGH, Duramax LML, Duramax XLD25, Duramax XLD28, Duramax LWN, Duramax L5P, and Duramax LM2.
LLY/LBZ from 2006 to 2007 is considered one of the most reliable and rugged engines from the pre-emission era. They are widely sought out because of this and can be a great buy if you are looking for a Duramax engine of this time. Beware that they have more issues than recent Duramax engines from 2011 to 2021.
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.
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 has the least problems? – Related Questions
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.
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.
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.
What year is the most reliable Duramax engine?
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.
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 you drive a Duramax with blown head gasket?
Technically you can drive with a blown head gasket, but we’d always advise against it.
5 Signs Your Head Gasket Is Blown: Capitol Subaru Auto Care
Engine Overheating.
White Smoke From Tailpipe.
Low Coolant Level.
Rough Idle/Engine Knock.
Contaminated Engine Oil. We know that oil and water don’t mix, but if coolant gets into the oil in your engine, the resulting mixture loses its lubricating qualities.
How much does it cost to replace a head gasket on a diesel truck?
According to a national average, it costs between $1,624 and $1,979 for a head gasket replacement. The associated labor costs are estimated between $909 and $1147 while the parts themselves vary in the range of $715 and $832.
How much does it cost to machine Duramax heads?
Standard rebuild service is $800 for both heads. If the heads need new guides, valves, seats or have broken glow plugs the final price will be adjusted accordingly.
What blows a diesel head gasket?
Head gaskets deal with extremely warm temperatures from the combustion chamber and the cooler temperatures from the cooling system. These extreme variations in temperature cause warping and cracks over time. This warping can cause leaks and ultimately lead to a blown head gasket.
What causes a blown head gasket on a diesel engine?
Extreme heat can cause failure. Overheating can also cause warping or cracking in the cylinder head or engine block, preventing the head gasket from sealing correctly.
Does BlueDevil head gasket sealer work on diesels?
It bonds to metal, aluminum, cast, alloy, or plastic, and it’s safe and easy to use as a permanent seal for your head gasket leak. BlueDevil Head Gasket Sealer is compatible in gasoline and diesel engines.
The best way to prevent head gasket failure in your car is to keep the engine coolant at the proper level with the correct mixture according to the manufacturer’s recommendation. If you experience coolant leaks on the ground or garage floor, have it checked out.
Can you save an engine with a blown head gasket?
The short answer is yes, but it is not recommended. Ignoring a blown head gasket will likely lead to more damage to your engine as well as your wallet. Gaskets are some of the most important and necessary parts of any engine which function to seal off compartments.
Does white smoke mean blown head gasket?
White smoke billowing out of your exhaust means that coolant is likely leaking into the cylinders. This usually happens when there has been a breach in the head gasket, which makes the coolant create this white steam.