Where is the pressure relief valve on a Duramax engine?
Where is the pressure relief valve on a Duramax engine?
Included on the fuel rail is a pressure relief valve which is a spring-loaded valve on the back side of the fuel rail. The valve’s job is to release pressure in the event that it becomes too high. When pressures surpass the allotted threshold, the spring compresses, releasing rail pressure.
What are the symptoms of a bad Duramax fuel regulator?
Common Duramax Fuel Pressure Regulator Problems 1 Black Smoke. As we’ve said before, one of the most common problems that fuel pressure regulator experience is black smoke. 2 Strong gas smell. What are some of the most common symptoms of a bad fuel pressure regulator? 3 Hesitation on the gas pedal. 4 A decrease in power acceleration. …
What are the most common problems with LLY Duramax trucks?
The most notorious problem found on LLY Duramax trucks is that they have a tendency to overheat. Part of this is attributed to their inadequate cooling system, that’s made up of the smallest radiator and fan ever found on a Duramax diesel truck.
When does a LLY Duramax water pump fail?
While the seal issues found on LB7 trucks have been largely solved, the LLY Duramax can still suffer from water pump failure. Over time and at higher mileage, the seals in the factory water pumps can fail. This frequently occurs after 80-100,000 miles.
Included on the fuel rail is a pressure relief valve which is a spring-loaded valve on the back side of the fuel rail. The valve’s job is to release pressure in the event that it becomes too high. When pressures surpass the allotted threshold, the spring compresses, releasing rail pressure.
The most notorious problem found on LLY Duramax trucks is that they have a tendency to overheat. Part of this is attributed to their inadequate cooling system, that’s made up of the smallest radiator and fan ever found on a Duramax diesel truck.
Common Duramax Fuel Pressure Regulator Problems 1 Black Smoke. As we’ve said before, one of the most common problems that fuel pressure regulator experience is black smoke. 2 Strong gas smell. What are some of the most common symptoms of a bad fuel pressure regulator? 3 Hesitation on the gas pedal. 4 A decrease in power acceleration.
What causes head gasket to fail on LLY Duramax?
Head Gasket Failure is more common the LLY Duramax than any other Dmax generation. This is largely due to the huge factory turbocharger and overheating issues caused by a poor cooling system. There are other factors that can play a role too though. Aftermarket modifications can also cause these issues, especially at lower mileage.
