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.
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.
What causes low coolant level in radiator surge tank?
The low coolant level in the radiator surge tank may be due to the fill process at the assembly plant, which cannot purge all of the air from the cooling system and the surge tank. After the engine has been thermally cycled, air rises and causes the coolant to become lower than when initially filled. Coolant Levels
What should I do if my coolant level is low?
Don’t Do This = Do not replace the coolant level sensor, HVAC control module or radiator surge tank. A revised calibration has been developed to address this condition. Technicians are to reprogram the Heating Ventilation and Air Conditioning (HVAC) control module with the latest software available on TIS2WEB.
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.
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.
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.
What kind of engine does a GMC Sierra 2500HD have?
Allison 1000 5-Speed Automatic, Electronically Controlled With Overdrive And Electronic Engine Grade Braking (Standard) 2005 Sierra 2500HD listings within 50 miles of your ZIP code.
When did the coolant message come on on my Silverado?
Bought my 2017 GMC denali 2500 HD 6.6L on 5/6/17 and that night the coolant message came on….Brought the truck back the next day, service writer opened the coolant cap which turned off the message for two days and they/he didn’t “see” the message on the dash or in the scan tool history.
What are the most common problems with a GMC Sierra?
Another 258 people reported the second-biggest issue where heating and air conditioning temperature and air delivery mode door actuators may fail. If one or more delivery mode door actuators fail, the HVAC system may not produce correct temperatures or air delivery. The HVAC system stores fault codes, which help with diagnosis.
When did the GMC Sierra have the most problems?
The model years with the most problems reported were 2004 and 2007, with more than 60 complaints each year, followed by 2002, 2003, 2005, and 2010, with more than 40 each year. Of the 112 problems, five different complaints have been reported 90 or more times.
Where does the coolant go in a Duramax Diesel?
If the level is lower, slowly add more of the proper mixture to the coolant surge tank until it reaches the proper level. On pickup models, slowly continue to add coolant so it goes into the non-pressurized side (fender side) of the coolant surge tank until it reaches one-third of the capacity.
Where does coolant go in a pickup truck?
On pickup models, slowly continue to add coolant so it goes into the non-pressurized side (fender side) of the coolant surge tank until it reaches one-third of the capacity. . At or above the MIN mark on the pickup. . To the COLD FILL mark on the van.
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.
Is there a coolant leak on a Duramax Diesel?
Currently, since December 2010 another supplement to the EGR cooler pressure tester adapter set, EN-48974-20, was shipped essential to dealers to diagnose EGR cooler engine coolant leaks on all 2010-2011 Duramax™ 6.6L engines equipped with multiple cooler EGR system.
How do you refill coolant in a Duramax truck?
Fill res up, let it drain down with truck off. Repeat until full. Then start the truck letting it idle with cap off to temp and filling as needed. Drive around for a few miles with the heat blasting and check and refill. Continue to fill when or if needed until it stops sucking it down checking it every day or so.
Where is the coolant sensor on a Duramax Diesel?
7) The horizontal line is a baffle inside the surge tank that keeps the coolant from sloshing inside the tank and tripping the coolant level sensor, which is located below the baffle. A full coolant level will show the coolant at the bottom of the radiator surge tank fill neck.