When to drain and replace differential fluid in Duramax?

When to drain and replace differential fluid in Duramax?

Service interval not provided by GM, routine service may promote longevity. Fluid level should be checked periodically. Drain and replace differential fluid immediately if the axle is submerged in water. Service interval not provided by GM, routine service may promote longevity. Fluid level should be checked periodically.

When to change the oil on a Duramax?

Always follow the severe duty maintenance schedule if you’re driving conditions include: 10,000 miles or when “change engine oil” message is displayed by the oil life monitoring system Check filter condition every oil change and replace as necessary; replace at 45,000 miles regardless

What is the fluid capacity of a Duramax?

The fluid capacities listed herein are measured in U.S. quarts (“qts”) and/or pints (“pts”), NOT Imperial units. Always verify fluid specifications and capacities in your owners manual, if applicable.

What is the maintenance schedule for a Duramax?

When purchasing parts for your Duramax, be cautious with model years where an engine was phased in/out as the incoming engine may have parts that are not interchangeable with the outgoing engine. Always follow the severe duty maintenance schedule if you’re driving conditions include:

Where does coolant go in a Duramax Diesel?

If it can be determined the coolant loss is from the driver’s side (engine right side) of the engine, the following information should be considered. Leaks from the exhaust gas recirculation (EGR) cooler may allow coolant to pass through the exhaust system and enter the combustion chambers on the right bank cylinders.

Can a head gasket failure cause engine coolant loss?

The AERA Technical Committee offers the following information on engine coolant loss on 2002-2016 GM 6.6L Duramax diesel engines. It is important to note that not all instances of coolant loss on these engines is the result of head gasket failure.

What should I do if I lose coolant in my engine?

It is very important to note: If an investigation of loss of engine coolant leads to coolant found in one or multiple cylinders on the right bank, YOU MUST test the EGR cooler for leakage BEFORE attempting any engine repair. The cylinders affected with coolant will depend on which exhaust valves were open at the time of engine shutdown.

What causes coolant to enter the combustion chamber?

Leaks from the exhaust gas recirculation (EGR) cooler may allow coolant to pass through the exhaust system and enter the combustion chambers on the right bank cylinders. Failure to inspect the EGR cooler for leaks may lead to a misdiagnosis for coolant entering the combustion chamber.