What do you need to know about the LB7 Duramax?
What do you need to know about the LB7 Duramax?
Our 6.6L LB7 Duramax Maintenance guide goes over everything you need to know to properly maintain these trucks. We give you service schedules for normal and severe use, fluid capacities, and a complete list of recommended filters, engine oils, and fluids to use. If you have a different type of Duramax, check out our other maintenance guides.
Are there any problems with the LB7 truck?
Over the years these trucks have been really good performers, but they do have some common problems that we see over and over again. Injectors – It’s hard to have a conversation with any LB7 owner without the topic of injector issues coming up.
What is the maintenance schedule for a Duramax LLY?
We give you service schedules for normal and severe use, fluid capacities, and a complete list of recommended filters, engine oils, and fluids to use. If you have a different type of Duramax, check out our other maintenance guides. We have comprehensive maintenance guides for the LLY, LBZ, LMM, LML, and L5P models.
How often should I change the oil in my LB7 Duramax?
This is especially important if you tow heavy loads. Heavy towing can take a big toll on your LB7 Duramax. You’ll need to complete common maintenance tasks like changing the oil and transmission fluid more frequently. If you are often in dirty or dusty conditions, keep an eye on your air filter. It will need to be changed more frequently too.
When did the GMC Duramax LB7 come out?
Duramax LB7 Specs & Info. The LB7 Duramax was first introduced for the 2001 model year as General Motors retired its 6.5L Detroit diesel. In every possible way, the Duramax was superior to the outdated Detroit and marked a revolutionary turning point for GMC and Chevrolet pickups in the diesel marketplace.
What is the first year of the Duramax?
The LB7 Duramax was first introduced for the 2001 model year as General Motors retired its 6.5L Detroit diesel. In every possible way, the Duramax was superior to the outdated Detroit and marked a revolutionary turning point for GMC and Chevrolet pickups in the diesel marketplace.
Are there any problems with the LB7 engine?
Where the LB7 loses reliability is under additional power. The crankshaft and rods are problem areas under serious power. Additionally, fueling and cooling will become a common failure point as well along with the Allison 1000 transmission. Overall, the LB7 is a strong contender for older diesel engines.
What kind of problems does a Duramax engine have?
The 5 Most Common LB7 Duramax Engine Problems 1 Fuel Injector Failure 2 Water Pump Failure 3 Fuel Filter Housing O-ring Leaks 4 Blown Head Gasket 5 Overheating (fan clutch problems, radiator gunk)
