How to drain LML coolant in Chevy Duramax?

First thing to do is jack up your truck, and get some room to work with. Then pop off the front plastic skid plate to get access to the lower radiator hose area. Next, pop off the clamp that secures the smaller hose ,to the larger one.

Do you have to use DEX COOL in Duramax?

First, colour should not be a basis for coolant selection, since different sources may supply the same ‘type’ of coolant in different colours. Yes, stick with Dex-cool in your Duramax, but don’t just select a brand based only on colour – be sure it is an OAT coolant. Often, products are available in both concentrated and pre-mixed versions.

Why does my GMC 2500 have a low coolant light?

A good diagnosis goes a long way. Would’ve saved you from having to buy 2 coolant tanks. I have a 2017 GMC 2500 HD with the 6.6 Duramax. The truck now has about 35,000km on it and the low coolant message is appearing at almost every start up. The tank is not low but I topped it off right to the cap and the message still pops up.

What kind of engine does a Chevy Duramax have?

Hi my name is XXXXX XXXXX I have a 2004 Chevy Silverado Duramax diesel 2500 crew cab. First off am I actually hoping to talk with a diesel … read more Vocational, Technical or Tra…

Where is the low coolant message on a Duramax?

During PDI, coolant should be added to fill the upper chamber of the radiator surge tank. (Fig. 6) A coolant level that is low enough to turn on the Low Coolant message will be below the horizontal line across the radiator surge tank. (Fig.

Is the coolant level on my Silverado Sierra low?

A Low Coolant message may be displayed on the Driver Information Center of some 2017-2018 Silverado and Sierra models equipped with the 6.6L Duramax diesel engine (RPO L5P). An inspection of the radiator surge tank may appear to show a low coolant condition.

What does it mean when coolant level is low on new truck?

The “Coolant Level is low” warning came on this morning. Is this typical for a brand new truck? I have never had this happen with a vehicle that is that new. I don’t know if diesels burn up the coolant or if there is a problem with my truck. I just had it serviced on Tuesday and the dealer didn’t say if the level was low either.

Why is my Chevy L5P low coolant light coming on?

Its happened a few times. The truck is a 2019 2500HD with 30,000 miles. I have a friend with a 2017 with 30,000 and its now doing the same thing. Dealer did a pressure test of the coolant system and found a head gasket issue.