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International delivery. United States delivery. Recent Vehicles.For example, did you know the injection pump on the LML version is prone to coming apart and wrecking the entire high-pressure fuel system when it does?
Perhaps the most devastating of all Duramax failures is a broken factory crankshaft. The failure is most common in higher horsepower engines, but can still occur in moderately modified and even stock power plants. The crankshaft usually breaks near the number one rod journal due to a combination of excessive rpm and the large external counterweight.Best ark settings for fps
A factory firing order that beats up the front area of the crankshaft has also been blamed for imposing undue stress on the crank. The billet Callies crankshaft available through Wagler Competition Products is machined from triple heat treated V steel and features reduced rod journal widths for improved strength which calls for narrower rods.
For a more budget-friendly option, a properly balanced Compstar forged crankshaft also made by Callies has shown great results in the sub-1,hp arena. In an effort to reduce crankshaft fatigue on the front of the crankshaft, alternate fire camshafts are employed. By changing the firing order of the engine from stock tothe hard hit at the front of the crankshaft is eliminated and the overall load is more evenly distributed across the crankshaft. Unlike the ultra-durable CP3 that came before it, the CP4.
Any time water, rust or debris infiltrates the CP4. Unfortunately, the latter scenario plays out more often than seizures do. Typically, the roller lifter or bucket that rides on the CP4. When a CP4. Second, always change the fuel filter at or before the recommended service interval. This means that not only does the CP4. For utmost peace of mind, the CP4. Various aftermarket kits come with everything you need to complete the conversion, mechanically note that a few ECM tweaks will be required, too.
On top of being known to last hundreds of thousands of miles without any major issues, the CP3 flows roughly percent more fuel volume than the CP4.
However, because better than one in four diesel-powered GM trucks is graced with an electronic power-adder, and the fact that this is an enthusiast site, all of you should take note. So what causes the rods to shrink? In a word, torque. Thanks to a This stress is directly imposed on the pistons, the rods and the crank—but the rods are the weakest link in LB7 and LLY engines.
Luckily, the rods found in these two engines are forged steel, which is to say that they bend long before they think about breaking. Other than dialing back the tuning or scrapping your performance plans altogether to save the factory connecting rods, aftermarket units are in order. In addition to its competition-ready rods rated for 2,plus hpWagler also offers As-Forged units, which are the most budget-friendly Duramax rods in the diesel industry.
Low-quality castings from its suppliers and a reduced amount of meat present in the wrist pin area thanks to the use of wrist pin bushings are to blame for factory piston failure. In most cases, the cast-aluminum piston cracks along the center line of the wrist pin, as shown above. For many all-out, competition-type builds, forged pistons from Diamond Racing are known to get the call. The two primary failure points of the factory injectors are internal cracking of the injector body itself and corrosion-induced failure of the internal ball seat.
The solenoid style Bosch units found in the LB7 employed a non-hardened internal ball seat to seal the injector. By comparison, later versions of injectors would utilize a hardened, chrome-plated ball seat and—not surprisingly—benefitted from much improved durability.
Over time, this ball seat erodes and no longer fully seals. To add insult to injury, a leaking injector means a considerable amount of fuel is making it into the crankcase.
2500 HD Fuel Lines
Located underneath the valve covers, there is nothing cheap about replacing an injector on an LB7.Innovative Packaging Design: Convenient section design allows for smaller packaging to reduce storage and shipping costs. See all our latest ways to save you repair time, money and effort by subscribing to our monthly New Product Announcements. Have a technical question? Our certified technicians have the answer.
Click the button below and speak to them now. All rights reserved. Follow Us: TOP. View Video.Gas leaks can be dangerous! 2002 Chevy 2500HD fuel leak fix!
Dorman Training Center. Dorman provides aftermarket solutions for over 80, parts. Dorman Products offers hundreds of installation and informational videos. Featured Video How Dorman's leading the way in hybrid battery remanufacturing Take a look at our new and improved, industry-leading processes View Video. Stainless Steel Fuel Lines. Introducing our Stainless Steel Fuel Line. Why choose Dorman? Warehouse Distributors. Our Stainless Steel Fuel Lines preformed section design saves almost 20 cubic feet of your warehouse space vs.
Our high quality Stainless Steel Fuel Lines are upgraded with stainless steel to resist rust and corrosion providing a longer part life. Service Technicians. Dorman Stainless Steel Fuel Lines come in a sectional design for easier installation and we provide all the fittings needed to complete the install quickly.
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Why do original Fuel Lines fail? Decreased fuel economy Fuel leaks; strong smell of fuel Misfiring engine or decreased power Engine stalling. General Videos.Log In or Create Account Optional.
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All rights reserved. Standard Cab Pickup. Extended Cab Pickup. Crew Cab Pickup. Flaring Tool. Fuel Filler Hose. Fuel Filter. Fuel Line Disconnect Tool.
CHEVROLET K2500 Fuel Lines, Fuel Return Lines
Fuel Line Nylon Repair. Fuel Line Retainer. Fuel Line Steel Repair. Fuel Sending Unit Repair. Fuel System Repair Manual. Hose Clamp Pliers. Hose Clamp Vise. Hose I. Hose Removal Pliers. Multi-Use Hose. Add to Cart. Please create a password for your account.
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CHEVROLET Fuel Lines, Tank to Pump Lines
Confirm New Password.The fuel filter housing is located on the passenger side of the engine and features an integrated pumping device in order to prime the fuel system after replacing the fuel filter. GM recommends replacing the fuel filter every 15, miles on to model year trucks and ever 22, miles or as indicated by the instrument cluster display for to model year trucks.Ceiling fan wire diagram diagram base website wire diagram
Removal of the passenger side inner fender permits complete and easy access to the fuel filter housing assembly. Open the bleed screw at the top of the fuel filter housing, then drain the water separator into a suitable container and properly dispose of the fuel. Be sure that the water-in-fuel sensor wire does not become entangled while unscrewing the fuel. Keep the filter positioned upright until removed from vehicle to ensure fuel is not spilled.
If the water-in-fuel sensor assembly is damaged, do not reuse. Install snug by hand only, do not tighten with tools. If desired, you can remove the bleed screw for inspection of the o-ring. Immediately close the bleed screw; do not overtighten, the screw is plastic. Clean up any spills so that leaks can be easily detected.
If truck runs rough for an extended period of time idle should smooth out within 30 secondsturn engine off, re-bleed system at the fuel filter housing, and check for leaks including the bleed screw o-ring. Click any thumbnail to view fullsize, detailed image.So how do you find out what problems are occurring?
Any duplicates or errors? It's not us. Don't waste your time wasting ours! If you are interested in advertising a for-profit service, contact us. Find something helpful? Spread the word. Share on Facebook Retweet this page Email this page. Add Complaint. I have replaced transmission cooler lines twice 2 timessince purchasing this truck with 59K miles on it. Both times with ac delco parts. Both times the transmission cooler lines leaked, not an installation problem.
The crimp has separated from the hose. This is the first time I replaced with genuine GM parts. The current set of cooler lines on the truck are just now starting to drip so its only a matter of time before they give out again. The truck has very low miles and I meticulously maintained, this is a known GM problem on more than 1 model of vehicle and I am unsure why GM will not extend a warranty to these failed parts.
My local GM service dept. Has refused to help me in any way, even though I have bought GM part every time. When will GM face the facts before one of these catches fire and someone dies"?? During the winter here in northern Ohio I have been experiencing a reduced power mode in my Chevy diesel powered truck.
It has happened repeatedly, almost daily, and on Friday, Mar 20th, while driving on the freeway the truck unexpectedly went into this reduced power mode twice and dropped from 65 mph to less than 40 mph, almost causing a crash because of the sudden deceleration in one instance. I have been to the dealership twice now over this issue, in both cases they said it was my aftermarket air intake product and it's supposed fouling of a key engine sensor, the maf sensor.
They blamed oil from the air filter fouling the sensor, and yet the air filter was there and there was no sign of oil seepage or fouling of the sensor. Since then I have, at my expense, replaced the air intake system back to factory and the maf sensor, and all that was before Friday when I almost got hit by a semitruck. I have researched the internet, consulted with two aftermarket air intake manufacturers and have determined that this issue is not what has been blamed to date but something else faulty on my truck.
Either in the wiring harness affecting sensor output or a different sensor that works in conjunction with the one sensor that the dtc says is at fault. There has been issued tsb's on this engine family relating to my issue, GMC is aware that there exists an issue, and yet I have to pay out of pocket for repairs and parts and labor for something that should have been resolved the first time under warranty.
The dtc is P, maf sensor low input, the sensor I replaced looks identical to the one I put in, no signs of fouling. I even at one point purchased a maf sensor cleaner made by crc, used it according to directions and still got the dtc, the reduced power mode and a check engine light. The truck will resume normal operating after 15 to 20 minutes, but then will fault out again soon after or on the next restart. I have a Chevrolet Silverado diesel.Log In or Create Account Optional.
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Standard Cab Pickup. Extended Cab Pickup. Crew Cab Pickup. Flaring Tool. Fuel Filter. Fuel Line Disconnect Tool. Fuel Line Nylon Repair.
Fuel Line Retainer. Fuel Line Steel Repair. Fuel Sending Unit Repair. Fuel System Repair Manual. Hose Clamp Pliers. Hose Clamp Vise. Hose I. Hose Removal Pliers. Multi-Use Hose. Add to Cart. Front; Standard Cab Pickup.Sandy hook f beach
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