What kind of head gasket does a Duramax have?
What kind of head gasket does a Duramax have?
TT00037 Head Gasket Identification on 2001-2016 GM 6.6L Duramax Diesel Engines The S. B. International, Inc., Technical Service Department offers the following information regarding head gasket identification on 2001-2016 GM 6.6L Duramax diesel engines.
What kind of head gasket do I need for a GM 6.6L?
The gasket markings should be up when correctly installed. As a result, GM offers three different thickness head gaskets depending on the amount of piston protrusion the engine has.
What are the most common 6.6L LB7 Duramax problems?
What Are The Most Common 6.6L LB7 Duramax Problems? The LB7 Duramax engine made its debut on Chevrolet and GMC HD trucks in 2001. These diesel engines are where the Duramax started, and they have been so successful that the Duramax are still used in GM HD trucks today.
Can a leaking O ring cause a Duramax to hard start?
If you’re going to own an LB7 Duramax over an extended period of time, the odds are you will experience this problem. A leaking o-ring not only results in a fuel leak, but air can also enter the fuel system. This causes various performance issues, hard starts, and even engine codes.
Do you need to replace head gaskets on Duramax 6.6 diesel?
So, The GM Duramax 6.6 diesel is a great engine. But, If you keep it long enough, you will probably be replacing the head gaskets at some point. So, If you are using aluminum heads, with a iron block, sooner or later you will have head gaskets issues. Finally, Now you go to order parts and you are confronted with a bunch of choices.
What to do about a gasket on a Duramax LLY?
Although it doesn’t look like it, the driver’s side charge pipe can be completely snaked around everything without taking anything off of the driver’s side head. By now all of the coolant should have drained out, which means that the upper hard hose and coolant crossover can be removed.
Are there any problems with the 6.6L LLY Duramax?
Thankfully, the LB7 injector problems were resolved, but some new problems revealed themselves. Some of these 6.6L LLY Duramax engine problems stem from the fact that it has significantly more horsepower and torque compared to the original Dmax.
Where can I get a new head gasket for my diesel truck?
To get the down low on replacing head gaskets the right way, we tagged along with Jason Carrier at Xtreme Diesel Performance in Chico, California, to see how it was done. The truck in question was a ‘04.5 LLY, which thanks to heavy towing and a hefty tune, was in need of a new head gasket.