Are there any problems with the Duramax water pump?

Are there any problems with the Duramax water pump?

This seems to be inherent of the factory water pump design. Overheating issues with the Duramax diesel seems to be a hit-or-miss problem; some owners experience it, while others never will. Regardless, it’s more common with the Duramax than other engines.

Are there any problems with the Duramax diesel engine?

Overheating issues with the Duramax diesel seems to be a hit-or-miss problem; some owners experience it, while others never will. Regardless, it’s more common with the Duramax than other engines.

When does a Duramax diesel engine start leaking fluid?

Leaks are most common when the fluid is cold and on trucks running high idles. Some folks have a consistent leak while others tend to only leak when the engine is cold. Fluid leaks are important to catch early as running low on fluid can cause catastrophic damage to the transmission.

What causes a Duramax to overheat in the summer?

Overheating typically occurs while towing in the Summer months, and is most prevalent in 2005 or earlier models (2006+ models received a larger radiator and fan). Overheating often occurs as a result of a fan clutch failure, preventing the engine fan from providing supplemental airflow as necessary to keep the engine from overheating.

Can a Duramax be used in a GMC Sierra 1500?

For instance, we can control the engine block and the engine head separately to maximize the effectiveness of the cooling system,” Barta explains.

How does a 3.0L Duramax diesel engine work?

“Also, new to the Duramax diesel engine family, the 3.0L uses a variable intake valve, we call it the swirl valve, to tumble or swirl the air at low rmp to get better combustion and power with less fuel.”

What causes a Duramax diesel engine to heat up?

When the engine is working hard, the turbocharger is drawing in a ton of air, and the restrictive stock turbo inlet tube can effectively choke the VGT turbocharger causing the compressor outlet temperature to skyrocket, heating up the intercooler, and ultimately raising the temperature of combustion and the coolant temp.

What are the most common LLY Duramax engine problems?

The 6 Most Common LLY Duramax Problems. 1 1. LLY Bent Rods. While the LLY made competitive performance numbers back in 2004, the engine is certainly not competitive to the modern day diesels. 2 2. Head Gasket Failure – LLY Duramax. 3 3. EGR Valve Failure. 4 4. Glow Plug Failue – 2006 LLY Duramax. 5 5. Overheating in Pre-2006 Models. More items

Are there any problems with the Commons 6.6L Duramax Diesel?

Common Problems with the 6.6L Duramax Diesel. The 6.6L Duramax has been in production since 2001 and has proved, on a large scale, to be a relatively reliable and durable platform. While various versions of the engine have surfaced over the years, all generations of the Duramax are based on the same foundation.

How long is the water pump on a GM Truck?

I want to smack the GM engineer in the head who came up with that fan shroud design on the 2006+ trucks. That thing is the devil. Click to expand… Id rather punch the guy who clocked the one water pump housing fastener behind the balancer. Water pump would be a two hour job at most if it had been designed just a hair differently.

Are there any problems with the Duramax fuel filter?

The 2001 to 2004 LB7 fuel filter housings seem to be the most prone to problems. Water Pump Failure. Water pump failures for Duramax engine are somewhat common. It is not unlikely that a water pump will need to be replaced in the 80,000 – 100,000 mile range.

What should I do to my Duramax water pump?

Once you get the fan and cage out of the way its no different then the older duramax’s. Going by the book GM says to pull the starter and install the flywheel holding tool for breaking the balancer bolt loose and tightening it. This is where a lot of the excess time comes in.

Do you have to pull starter on GM water pump?

Going by the book GM says to pull the starter and install the flywheel holding tool for breaking the balancer bolt loose and tightening it. This is where a lot of the excess time comes in. If you get the Lisle tool kit you can shave off an hour or better right there by not having to pull the starter.

I want to smack the GM engineer in the head who came up with that fan shroud design on the 2006+ trucks. That thing is the devil. Click to expand… Id rather punch the guy who clocked the one water pump housing fastener behind the balancer. Water pump would be a two hour job at most if it had been designed just a hair differently.

How long does it take to fix a water pump?

Alldata says 5.9 hours. Mitchell’s says 7.5 hours. Preparing correctly, it can be done in 4 hours. Dealer quote will most likely land in the $1100 parts and labor.

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