What kind of oil does a Duramax LB7 use?
What kind of oil does a Duramax LB7 use?
If you want to keep your first generation Duramax running in excellent condition, you’re going to have to use the right fluid and oil. Not all fluids are created equal though. The best way to assure your LB7 Duramax gets the right fluids and oil is to stick with OEM recommended fluids.
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 do you change the oil on a Duramax?
Maintenance Intervals – Normal Conditions Maintenance/Service Miles Kilometers Change Oil 10,000 miles 16,000 km Change Oil Filter 10,000 miles 16,000 km Change Fuel Filter 15,000 miles 24,000 km Replace Air Filter Check At Every Oil Change; Replace when 48,000 km- 72,000 km
How often do you change fluid on a LB7?
If you frequently drive in to change your air filter more often. servicing every 50-75,000 miles. changing fluid every 100,000 miles. replace fluid ASAP. changing fluid every 100,000 miles. replace fluid ASAP. If you tow or idle frequently, you need to follow the severe conditions LB7 Maintenance schedule.
If you want to keep your first generation Duramax running in excellent condition, you’re going to have to use the right fluid and oil. Not all fluids are created equal though. The best way to assure your LB7 Duramax gets the right fluids and oil is to stick with OEM recommended fluids.
Where are the injector return lines on a LB7?
Injector return lines are under the valve cover on LB7 engines. Pressurize the return circuit with the valve covers off and look for bubbles or vacuum test the return circuit off of each head, the return should hold 15 inches Hg of vacuum. Oregon Fuel Injection
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.
Are there any issues with the Duramax fuel pump?
The new injectors available from us and others are updated and do not have the cracking issue. Fuel Filter Housing Oring Leaks – The Duramax fuel system does not have any sort of low pressure fuel pump pushing fuel to the engine from the tank.
What causes a fuel filter to leak on a Duramax?
Fuel Filter Housing Oring Leaks – The Duramax fuel system does not have any sort of low pressure fuel pump pushing fuel to the engine from the tank. The injection pump sucks all the fuel from the tank.
