What are the most common places for coolant to leak?

The most common coolant leaks occur in the hoses that connect your engine to your radiator or heater core, or other small hoses running coolant to different equipment on your engine. The best way to stop these leaks is usually to replace the hose as they are inexpensive and easy to get to.

What year Duramax has head gasket problems?

The 2006-2010 riveted gaskets are the only ones that don’t follow this pattern, because they do leak externally when they fail and rarely cause this over-pressurization. However, these will often have coolant puddles on the ground when the truck is parked overnight, making it easy to see that there is an issue.

What are the signs of a blown head gasket on a diesel engine?

Symptoms of a Blown Diesel Head Gasket

Engine Overheat. If there is a coolant leak, a common symptom is the engine overheating.
Poor Performance. A coolant leak from the head gasket can cause the engine to run roughly.
Unusual Exhaust.
Frothy Oil.
Loss of Coolant.
Clean Spark Plugs.
Heating System.
Coolant in Strange Places.

Why is my truck leaking coolant?

A coolant/antifreeze leak can occur for a variety of reasons, including a blown radiator hose, a bad hose clamp, warped head gasket, or the most common reason, a foreign object kicked up by the truck in front of you penetrating the radiator itself. Removing the radiator cap.

Can you drive with a coolant leak?

If there’s a leak, coolant will be lost. Coolant is used to remove heat from the engine by transferring heat through a series of coils. It’s best to avoid driving your car if you have a coolant leak because an overheating engine is an unsafe engine!

How long will a LLY Duramax last?

If you want to know how long a Duramax engine will run, you should expect it to last as much as 300,000 miles before needing any major repairs.