What causes a fuel filter to leak on a Duramax?

Fuel Filter Housing Oring Leaks – The Duramax fuel system does not have any sort of low pressure fuel pump pushing fuel to the engine from the tank. The injection pump sucks all the fuel from the tank.

How often should I Change my Duramax fuel filter?

Many first-time diesel truck owners think you need to change a diesel filter at the same interval as a gas engine, but in reality, it needs to be changed much sooner. While a gas engine might make it 75k before a filter change, it should be common practice to change a Duramax fuel filter every 10,000 miles.

Are there any issues with the Duramax fuel pump?

The new injectors available from us and others are updated and do not have the cracking issue. Fuel Filter Housing Oring Leaks – The Duramax fuel system does not have any sort of low pressure fuel pump pushing fuel to the engine from the tank. The injection pump sucks all the fuel from the tank.

How many gallons of fuel does a Duramax have?

Depending on the model, you might have between 25 and 40 gallons of capacity, and on most trucks there is a low-pressure fuel pump which sits inside the tank and pushes the fuel toward the engine at a relatively low pressure.

What did I do to my 2004 Duramax?

I have a 2004 duramax that i reciently changed the fuel line that goes from my fuel sending unit to my steel feed line.. I also replaced my fuel filter housing because the truck was loosing prime.. I primed the fuel filter without the bleeder screw in and it filled the filter as it is supposed to…

How much power does a Duramax Diesel have?

Power was at an all-time high coming in at 397hp and 765 pounds of torque, and in order to provide this much power while still keeping pollutants low, GM needed to be able to increase the pressure in the fuel system to levels above what the tried-and-true CP3 could safely deliver.

What causes black smoke coming from a diesel engine?

Black smoke is the most common smoke color coming from a diesel engine and most likely indicates something is wrong during the combustion of the diesel fuel. When diagnosing the problem the first place to look at is the mixture of air and fuel flow into the cylinders.

What kind of transmission does a Duramax diesel use?

It was the first to come bolted to the six-speed Allison transmission which provides a lower cruising RPM and greater fuel efficiency when compared to the five-speed on the LB7 and LLY.

Why is my Duramax not starting after fuel filter change?

Changed the fuel filter today, and cannot for the life of me get the system primed back up. I loosened the bleeder screw, and have been pumping for so long that there’s a blister on my hand.

Which is the best fuel filter for Duramax?

The Delco TP3012 is the one I am using now. It claims to filter at 2 microns while most of the others are 4 and The WIX was, I think, 6 microns. I believe someone on here once said that the Baldwin BF 9882 is 1 micron.

What to do if your Duramax won’t start?

There are hundreds of thousands of duramax’s on the road that don’t have lift pumps. Pressurize the fuel tank with a little bit of air watch for fuel leaks and then try and start it. Click to expand…

It was the first to come bolted to the six-speed Allison transmission which provides a lower cruising RPM and greater fuel efficiency when compared to the five-speed on the LB7 and LLY.

What kind of fuel filter does a 5.9L Cummins use?

If your GM Duramax, 5.9L or 6.7L Cummins is equipped with an XDP CAT Filter Adapter, this is the filter you need to service it.

What is the oil filter adapter for a Duramax?

The PPE 114000551 Oil Filter Adapter Threaded 13/16″ to 16 UNF allows you to convert from the CAT oil filter back to an OE style oil filter in your 2001-2019 GM 6.6L Duramax. This adapter is precision machined for smooth operation and to minimize cross threading of the oil filter.

What kind of pump does a Duramax 6.6L use?

The BD-Power 1050651 R900 12MM CP3 Pump will increase performance in your 2001-2010 GM 6.6L Duramax. Featuring up to a 72% increase in capacity / displacement, this pump delivers enough fuel to support up to 750hp while maintaining 24,000psi of rail pressure.

What’s the model number of the Duramax diesel fuel filter?

This fits your . Make sure this fits by entering your model number. OEM NEW 6.6L Duramax Diesel Fuel Filter Housing 05-12 Silverado Sierra 12642623 These items are shipped from and sold by different sellers. Show details Only 3 left in stock – order soon.

When to get a new Duramax CP3 fuel pump?

Get a new CP3 for your 2004.5-2005 GM 6.6L Duramax and avoid the core charge with the Industrial Injection 0 445 020 030-IIS New CP3 Fuel Pump. This pump will flow as much fuel as a factory unit and is backed by a 1 year unlimited mileage warranty.Features:New CP3Stock Fuel FlowNo Core Charge1 Year/ Unlimited Mileage Warranty

What kind of diesel filter does a Silverado Sierra have?

OEM NEW 6.6L Duramax Diesel Fuel Filter Housing 05-12 Silverado Sierra 12642623 These items are shipped from and sold by different sellers. Show details Only 3 left in stock – order soon.

What should the fuel filter restriction be on a Dmax?

Lines can pinch, get blocked etc. To test, use our Fuel Filter Restriction Gauge which is a tool that every Dmax owner should carry along on the road. Supply side restriction runs normally in the 2-4” hg range on this gauge. If it is any higher than 4”hg start with a fresh filter.

What is the fuel filter base on a Duramax?

The Alliant AP0029 Fuel Filter Base and Hand Primer Seal Kit is designed to rebuild the fuel filter base (also known as a fuel filter head) found on your 2001-2010 GM 6.6L Duramax.

Can a GM 6.6L fuel filter head be rebuilt?

The Merchant Automotive 10192 Fuel Filter Head Rebuild Kit for your 2001-2010 GM 6.6L Duramax allows you to rebuild your leaking Fuel Filter Head. Over time, the Fuel Filter Head can leak causing hard start and priming issues.

What kind of fuel rail plug does a Duramax use?

The Attitude Performance Products 2004 LB7 Fuel Rail Plug for your 2001-2004 GM 6.6L Duramax is designed to replace the stock pressure relief valve. This valve helps maintain fuel rail pressure during heavy engine load conditions, while eliminating the potential for low fuel rail pressure DTC Code P1093.

What kind of fuel cooler does a Duramax use?

The Dorman 904-180 Diesel Fuel Cooler for your 2001-2010 GM 6.6L Duramax is constructed of high quality, durable aluminum for sustained reliability. Fuel Coolers serve as a radiators for the fuel system. Features: Direct Replacement Quality Tested To Ensure Function Replaces GM OE Part#: 10371405

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.

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.

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 to reset a fuel filter alert on a GMC Duramax?

This must be done manually from inside the cab of the truck. Press and hold the return arrow or select button (depending on model) on the right side of the steering wheel for five seconds while the fuel filter message is displayed. Follow the subsequent steps if your truck does not have steering wheel control buttons.

When do I need to change my fuel filter?

This alert system will let you know when to change your engine oil, when you have water in your fuel, as well as letting you know that your fuel filter will need changed soon. However, the act of replacing the fuel filter will not erase the alert from the screen. This must be done manually from inside the cab of the truck.

Where does the Duramax diesel engine come from?

The Duramax V8 engine is a General Motors Diesel V8 engine family for trucks. The 6.6-liter Duramax is produced by DMAX, a joint venture between GM and Isuzu in Moraine, Ohio. The Duramax block and heads are poured at The Defiance GM Powertrain foundry in Defiance County, Ohio.

What kind of pump does a Duramax cp4.2 use?

Like all Duramax engines from ’01-’10, the LML was also void of a lift pump from the factory. This means that not only does the CP4.2 have to pressurize fuel as high as 29,000 psi before sending it to the rails, but it also has to pull its low pressure fuel from the tank.

What to do if your Duramax cooler goes bad?

Lastly we replace a fair amount of glow plug controllers as well. You will usually get a diagnostic trouble code for the cooler when they go bad. Head Gaskets – As these truck reach the 100,000-150,000 miles we are seeing more and more head gasket issues. The Duramax has a multi-layer steel head gasket.

Are there any issues with the Duramax primer button?

Under the primer button there are some orings that fail on a regular basis. This can produce long cranks and hard starts. Glow Plug System Issues – Nearly half of the check engine lights that come in for the Duramax pickups are for glow plugs.

What to do if your Duramax wont start?

I doubt that you would ruin the fuel filter primer pump by pumping it real good until the primer pumps hard. (you gotta watch what you say here :rof I would try and re-prime the fuel system again by forcing the fuel through the lines, being real sure that you get all of the air out of the lines and fuel system, and try starting again.

How to stop a Duramax truck from losing Prime?

Tried running fuel line from injection pump to tank of diesel.. No go Pressurized the fuel tank primed it and tried starting.. Nothing Pressurized fuel tank sprayed soap water on lines.. No leaks found Tried having someone prime while I cranked. Truck will run off starting fluid through airbox but dies when you stop spraying.

What causes a fuel filter to leak on a Duramax?