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.
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.
Is 300000 miles alot for a Duramax?
Even when used extensively for towing and hauling, Powerstroke, Cummins and Duramax diesel trucks typically last well beyond 100,000 miles. Because of that, it’s not uncommon to see diesel pickups with 200,000 and even 300,000 miles commanding good resale values on the used truck market.
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 is the most reliable Duramax? – Related Questions
What year of the Duramax should I avoid?
Quick Answer: Avoid Duramax Year Models 2001-2010
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.
What are common Duramax problems?
Some things to watch out for include problem starting, excessive smoke, lower gear selection, poor fuel economy, a loss of engine power, lower RPMs, and excessive noise. While several possible fuel system problems exist, the 6.6L Duramax consistently has two.
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 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.
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.
No, the sooner you get it fixed, the better. Aside from the damage it will do to your engine, driving with a blown head gasket can be dangerous. For starters, if you’re checking under the hood to identify the problem, hot escaping coolant can cause burns and even start a fire if you’re not careful.
How do you tell if a Duramax is studded?
What are the first signs of a blown head gasket?
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?
The cost of head gasket repairs can run into the thousands, meaning it’s often easier and cheaper to scrap the vehicle than it is to have it repaired. The average cost of head gasket repair is around $1,000 to $2,000, but this isn’t because the parts are expensive.
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 are the symptoms of a blown head gasket on a diesel engine?
Signs of a blown head gasket in a diesel tractor
An increased engine running temperature. Engine gauge showing maximum temperature after a few minutes. A cloud of exhaust fumes when idling, or white smoke coming from the exhaust. Coolant clearly leaking onto the ground beneath the head gasket.