Does antifreeze level go down?
Does antifreeze level go down?
As the engine gets old, the Coolant evaporates more and more. As a usual calculation, it is found that for every year an engine passes by, the coolant level drops to 0.25″ in 4 months provided that the engine is functioning well and with no leakages or damages.
How much coolant does a 2003 Duramax take?
LB7 Duramax Oil & Fluid Capacity
|Fluid/Oil Type||Capacity – Quarts|
|Engine Oil /w Filter||10 quarts|
|Coolant /w Auto Trans. /w Manual Trans.||See below 20.3 quarts 20.7 quarts|
|Automatic Transmission Refill: After Overhaul:||See Below 7.4 quarts 12.7 quarts|
|ZF-6 Manual Transmission||6.3 quarts|
How many gallons of coolant does a LLY Duramax hold?
5 gallons would be plenty.
How many gallons of coolant does a LLY Duramax take?
LLY Duramax Fluid/Oil Capacity Guide
|Oil/Fluid||Capacity – Quarts||Capacity – Liters|
|Auto Transfer Case||2.0 Quarts||1.9 Liters|
|Manual Transfer Case||2.0 Quarts||1.9 Liters|
|Coolant||22.0 – 31.4 Quarts||20.8-29.7 Liters|
|Front Differential Fluid||1.8 qts||1.7 Liters|
What kind of antifreeze should I use on my Duramax Diesel?
You should only use silicate-free anti-freeze in diesel coolant systems. There are many other brands besides GM DexCool if you don’t want to use that. If you have the radiator serviced as recommended it does not cause any problems.
Why does my car have low coolant levels?
According to internal GM documents,  the ultimate culprit appears to be operating vehicles for long periods of time with low coolant levels. The low coolant is caused by pressure caps that fail in the open position. (The new caps and recovery bottles were introduced at the same time as DEX-COOL).
Are there any problems with DEX-COOL coolant?
DEX-COOL specifically has caused controversy. Litigation has linked it with intake manifold gasket failures in General Motors’ (GM’s) 3.1L and 3.4L engines, and with other failures in 3.8L and 4.3L engines.
What kind of antifreeze does a Chevy Suburban use?
Sounds like someone used stop leak in the system, Dex cool is pretty good stuff, 3rd truck with 200k using it and no problems. Wifes suburban with 80k no problems. btw it does not attack aluminum nor promote corrosion Dex cool, it says so in manual and I don’t want GM to nix me if my injectors go south before 200k warranty expires.:gearjamin
How do you change antifreeze in a Duramax?
How to Change Antifreeze in a Duramax. Fill the cooling system with a 50-50 mix of Dex-cool coolant and distilled water. Start the engine and keep the coolant level topped off. Hold the engine at 2,500 rpm for five minutes, and then allow it to idle for five minutes, topping off as needed. Repeat the cycle until the coolant level no longer drops.
Why does my Duramax engine have low coolant level?
After the engine has been thermally cycled, air rises and causes the coolant to become lower than when initially filled. During a Pre-Delivery Inspection (PDI), the coolant level may appear low, but is at a level high enough to keep the Low Coolant message off.
How much coolant does a 2013 Duramax take?
Seven gallons might sound like a lot of coolant for your 2013 Duramax, but then it’s a big, heavy-duty engine. When your Duramax is due for its first cooling system service at 150,000 miles it will take 3.5 gallons of coolant and 3.5 gallons of distilled water in a 50-50 mixture.
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.