Are there any problems with the GM LB7 engine?
As impressive as GM’s new engine platform appeared, the LB7 had terrible problems with fuel injectors failing. In fact, injector failures were so frequent that GM was forced to recall the poorly designed units and replace them with an updated design.
What do you need to install a LB7 injector?
Each LB7 injector includes O-rings and copper crush washers necessary for installation. In order to complete the installation of your new injectors, we recommend replacing the return line seals and lower valve cover gaskets, which can be found HERE and HERE.
What did the injector fail on my 2003 Duramax?
Was recently out of town in a friends 2003 Duramax during which, one of the injectors failed. Called the local dealer and they told me to bring it on in, and since I was from out of town they would get right on it.
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 In every possible way, the Duramax was superior to the outdated Detroit and marked a revolutionary turning point for GMC and Chevrolet pickups in the diesel marketplace.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 kind of fuel injector do I need for my Duramax LB7?
The Bostech DE01351 Platinum Series Remanufactured Fuel Injector is a step up from the Silver Series Injectors for your 2001-2004 GM 6.6L Duramax LB7. Like all Bostech Remanufactured Injectors, each unit is 100% disassembled, inspected, polished, and certified to OE specs with all mating surfaces lapped to a precision finish.
Why is LB7 injector failure a common problem?
We know today LB7 injector failure is a common problem, and because the operating tolerances inside the fuel system are so tight, proper lubrication from the diesel fuel is critical.
As impressive as GM’s new engine platform appeared, the LB7 had terrible problems with fuel injectors failing. In fact, injector failures were so frequent that GM was forced to recall the poorly designed units and replace them with an updated design.
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 In every possible way, the Duramax was superior to the outdated Detroit and marked a revolutionary turning point for GMC and Chevrolet pickups in the diesel marketplace.