Does my 2005 Duramax have a vacuum pump?
Does my 2005 Duramax have a vacuum pump?
no vacuum pump. The only duramax’s that had vacuum pumps were the 02-04 california-emissions LB7’s. None of the 2004.5+ duramax’s have vacuum pumps, and the 2001-2004 federal-emissions LB7’s dont have vacuum pumps either.
Does a 2004 Duramax have emissions?
The first generation Duramax was dubbed the LB7. Horsepower and torque peaked for the LB7 in 2004, generating 300 hp and 520 lb-ft. The lack of emissions equipment contributed to relatively high fuel economy figures for these model years.
Are there any problems with the Duramax fuel pump?
It can also be relatively difficult to prime the fuel system once air has been introduced into the system, such as when the fuel filter is changed. The 2001 to 2004 LB7 fuel filter housings seem to be the most prone to problems. Water pump failures for Duramax engine are somewhat common.
Why does my Duramax Diesel keep cutting out?
. The Duramax diesel is susceptible to fuel starvation and getting air in the fuel lines. This can be contributed to the fuel filter housing design and the fact that the Duramax does not use a lift pump. Rather, the high pressure fuel pump (injection pump) is responsible for vacuuming fuel from the tank.
What causes fuel starvation in a Duramax Diesel?
Fuel Starvation and/or Air in the Fuel Lines. The Duramax diesel is susceptible to fuel starvation and getting air in the fuel lines. This can be contributed to the fuel filter housing design and the fact that the Duramax does not use a lift pump. Rather, the high pressure fuel pump (injection pump) is responsible for vacuuming fuel from the tank.
Why does my Duramax water pump keep overheating?
This seems to be inherent of the factory water pump design. Overheating. 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.
