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 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.
How many miles will a 6.6 Duramax last?
A poorly-maintained engine can quickly fall into disrepair before it even reaches the 100,000-mile mark while a well-maintained Duramax pickup truck should last 400,000 or even 500,000 miles.
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 was the best year for Duramax? – Related Questions
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.
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.
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.
Can you drive a Duramax 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.
Do LLY Duramax have head gasket problems?
One of the common issues we see with the Duramax engines is head gasket failures. The gaskets in all years of 6.6 Duramax pickups are a multi-layer steel style gasket.
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.
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.
Do head gaskets fail suddenly?
Abrupt temperature changes
The head gasket expands and contracts to depend on the temperature of the engine. If you start your engine cold and immediately put your foot down, the shock of the abrupt temperature change can cause a head gasket failure.
How do you test a 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.
Can you have a blown head gasket with no symptoms?
A very small crack in the head can cause asymptomatic or lightly symptomatic issues. They can creep up on you in a number of ways. You may find that the car is using coolant, but you never see any leaking underneath.
How can you tell the difference between a blown head gasket and a blown gasket?
When they blow, intake manifold gaskets and head gaskets will typically leak different substances. A blown intake manifold gasket may cause air or fuel to leak.A blown head gasket, on the other hand, will typically cause combustion gases, coolant or oil to leak.