Duramax Diesel Fuel Pump Flow and Diesel Fuel Injection Cycle

Duramax Diesel Fuel Pump Injection Cycle

Duramax Fuel Flow Diagram

Diesel Fuel Tank

Titan Fuel Tanks

This is a aftermarket fuel tank by Titan Fuel Tanks

Fuel is drawn by the fuel injection pump from the fuel tank to the engine through the fuel supply lines.

Duramax Engine

Duramax Engine and Fuel Filter Location

Fuel flows to the fuel filter heater element housing, which combines a water separator, a prime pump, fuel heater element and a filter element.

Duramax Fuel Pumps

Duramax Engine and Fuel Filter Location

A mechanical Cp3 fuel injection pump at the front of the engine valley includes the fuel supply pump and the high-pressure pump.

Duramax Cp3 Bag of Parts

.Fuel Injection Parts

The small section of the fuel pump assembly is the supply pump called The Bag of Parts modified by Industrial Injection which creates a vacuum to pull fuel from the fuel tank to the high-pressure pump the vacuum varies with engine load and speed as the engine turners.

Duramax Fuel Injectors

LB7/LLY/LBZ/LMM/LML Duramax Fuel Injectors

The fuel rail pressure sensor is mounted in the end of the right fuel rail. Fuel is used to cool and lubricate the fuel injectors and fuel injection pump. Then the fuel return system is designed to return this fuel to the fuel tank. If the high side fuel pressure becomes excessive, then the fuel rail pressure relief valve releases the fuel into the fuel return system. The return fuel travels through the fuel cooler and then to the titan fuel tank.and does repeating the cycle of Diesel Fuel Injection System

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Duramax 6.6L Valve Lash Adjustment

Duramax 6.6L Valve Adjustment Duramax Diesel Pickup Truck This is one method used to set the valve lash on your duramax engine Valve adjustment should be performed anytime the heads are removed. It's also good practice to adjust valves during service that require valve cover remove. TDC (Top Dead Center) First start with, locating the timing mark on the front engine cover and the harmonic balance. Rotate the crankshaft in order to bring the number 1 cylinder to TDC (Top Dead Center) of the exhaust stroke. This mark should be aligned with the mark on the engine. To adjust the valves, start by loosening all the jam nuts with a 14mm wrench, you will also need a flat screwdriver to make the adjustments. Adjust the valve using a .012" feeler gauge Use your .012” feeler gauge between the rocker arm and the valve bridge as pictured. The correct setting is had when there is slight resistance when moving the feeler gauge. It should not be so tight th

How to Remove LB7 Duramax Fuel Injectors Step By Step Instructions

LB7 Duramax Diesel 6.6L R&R Remove and Replace Working on any automobile engine can be intimidating, and that is the very reason why mechanics stay in business, However some tasks that seem intimidating are not actually that difficult if you have the right tools and the right knowledge to complete the task at hand, The following instructions are on how to remove LB7 Duramax Fuel Injectors. This task is often considered a difficult process to complete, but these instructions will break down the process and make this task seem simple. Duramax Diesel LB7 Engine 2001-2004 GMC or Chevrolet Pick-up Truck Drain the Coolant find the drain valve on the passenger side of the wheel well and drain the coolant. To capture the debris,use a bucket and a cloth for a filter. Caution: This step is very important to ensure the combustion chamber won't fill with coolant during the last step of removing the fuel injectors if an injector cup pull out during this step.

Duramax Glow Plugs Operation Glow Plug Relay

Cold Weather Starts and Glow Plugs Glow Plug System Description Duramax diesel engine, air alone is compressed in the cylinder. Then, after the air has been compressed, a charge of fuel is sprayed into the cylinder and ignition occurs, due to the heat of compression. Eight glow plugs are used as an aid to starting. The glow plug initial ON time will vary based on the system voltage and temperature. Lower temperatures cause longer ON times all the times. The ECM provides glow plug operation after starting a cold engine. This post-start operation is initiated when the ignition switch is returned to Run, from the Start position. This operation helps clean up excessive white smoke or poor idle quality after starting. Control of the instant start system, glow plugs is determine by an electronic glow plug control unit and 4.7 volt glow plugs, requiring 2 seconds to heat up to 1,000°C (1,832°F) . The temperature and t

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