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What kind of transmission does a Duramax diesel use?

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.

What was the problem with the LBZ Duramax in 2006?

Glow plug failure was a concern on the 2006 model year LBZ and LLY Duramax models, but the problem should have been long corrected for owners of these years. The concern was that the glow plug module would over cycle the glow plugs, creating a scenario in which the tip of the glow plug could actually deform and/or break off in the engine.

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.

What kind of differential does a Duramax LB7 have?

At a stock power level, the stock Allison usually does an OK job at transferring the torque from the flywheel to the rear differential, but even a bone stock LB7 can put a hurting on the Allison, so you can only imagine what happens when you turn up the wick or hook up an oversized as many truck owners often do.

The L5P diesel engine is matched to an updated Allison 6-speed transmission (Fig. 10) that’s designed to accommodate the engine’s higher torque capacity. Following are several operating characteristics of the 6.6L Duramax diesel engine and Allison 6-speed transmission that should be considered normal operation.

What is the first year of the Duramax?

The LB7 Duramax was first introduced for the 2001 model year as General Motors retired its 6.5L Detroit diesel. In every possible way, the Duramax was superior to the outdated Detroit and marked a revolutionary turning point for GMC and Chevrolet pickups in the diesel marketplace.

Why does my Duramax take so long to start?

Following are several operating characteristics of the 6.6L Duramax diesel engine and Allison 6-speed transmission that should be considered normal operation. The new engine may take more time to start after turning the key to start than the previous engine due to the change in the fuel system and calibrations.

How many versions of the Duramax diesel engine are there?

All told, there are six different iterations of the Duramax diesel engine: LB7, LLY, LBZ, LMM, LML, and L5P spanning from 2001 to the present day. Each version of the engine has its own issues and quirks, and some are less problematic than others.

The LB7 Duramax was first introduced for the 2001 model year as General Motors retired its 6.5L Detroit diesel. In every possible way, the Duramax was superior to the outdated Detroit and marked a revolutionary turning point for GMC and Chevrolet pickups in the diesel marketplace.

What causes a Duramax diesel engine to heat up?

When the engine is working hard, the turbocharger is drawing in a ton of air, and the restrictive stock turbo inlet tube can effectively choke the VGT turbocharger causing the compressor outlet temperature to skyrocket, heating up the intercooler, and ultimately raising the temperature of combustion and the coolant temp.

What is the maintenance schedule for a Duramax?

When purchasing parts for your Duramax, be cautious with model years where an engine was phased in/out as the incoming engine may have parts that are not interchangeable with the outgoing engine. Always follow the severe duty maintenance schedule if you’re driving conditions include:

Why is my Duramax diesel engine not working?

The trucks computer keeps track of how much fuel needs to be added or subtracted from each individual cylinder to make the engine run smoothly, and this value is called the balance rate. If one cylinder is contributing too much or not as much as the rest, the cause is usually a bad injector and the cure is a replacement.

Are there any problems with the LLY Duramax?

In terms of LLY injector problems, GM had sorted out the internal failures with the 2004 ½ redesign, but the LLY Duramax would occasionally exhibit a trouble code for the injectors, but in most cases it turned out to be an issue with the injector harness rubbing through and causing a short or open in the wiring.

Why does my diesel truck not start when plugged in?

When the glow plugs or intake heater aren’t working properly, your truck won’t start because there’s no combustion. Plugging the truck in will allow the block heater to create the heat necessary for combustion to start the truck. Leave the truck plugged in for at least 2 hours before you try to restart the vehicle.

What was the problem with my Dodge 2500?

2004 Dodge 2500 truck. Consumer states problem with lift pump the consumer was informed by a mechanic that the lift pumps fail with 50,000-60,000 miles because they were mounted on the port side of the engine by the fuel filter by the heat motor. When the pump failed, the engine had no way to get fuel up from the fuel tank.

Why is my 2004 6.0L stalling / dies randomly?

All of these conditions must be met for 5 seconds for the code to be set. This code can also be set if there is ANY condition that would produce low power. Its a late build ’04. The ICP code is probably because I unplugged it to see if it would fix my issue. The P0069 code has been pulled before, its not new along with the current problem.

Why does my GM Truck shut down while driving?

At a dead stop. It would crank over, but not start. Ran the battery dead trying to crank it. My dad came to help, charged the battery, and it started right up. It sounds wierd but this is what its doing.

Is there a fuel pump in a 2004 Dodge Ram?

Dodge and cummins do not supply a pump in this location for 2003-2004 Dodge Ram trucks anymore. When they did supply it was approximately $350, they have retrofitted a new pump in the fuel tank that cost $1000. There are many complaints on diesel truck forums about the same problem with this truck.

Is there a warranty on a 2002 Duramax Diesel?

Unfortunately, that’s exactly what’s been happening. GM recently sent out notices to owners of 2001-2002 Duramax diesels that they *may* experience injector failure caused by high fuel return rates or cracked injector bodies, and that accordingly, GM will extend the warranty on *covered* failures (not all) to 7 yrs/200,000 miles.

What kind of mpg does a Chevy Duramax get?

I just bought a new 2004 Duramax Chevy, extended cab with short box. I filled the tank at 226 miles and showed 17.2 mpg. I filled again at 500 miles and now show 15.2 mpg. This is kinda discouraging. Is this normal? I bought the D/MAX expecting 18-20 mpg.

How many miles does a Duramax 4×4 run?

If you have been looking for a nice clean crew cab Duramax 4X4 you just found it. This 04 model comes with 144,000 miles and it runs perfectly, it hasn\\’t been tuned and abused

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.

In terms of LLY injector problems, GM had sorted out the internal failures with the 2004 ½ redesign, but the LLY Duramax would occasionally exhibit a trouble code for the injectors, but in most cases it turned out to be an issue with the injector harness rubbing through and causing a short or open in the wiring.

How many miles does a 2004 Chevy Silverado get?

Mileage: 79,985 miles Body Type: Pickup Color: Silver Engine: 6 Cyl 4.3 L Description: Used 2004 Chevrolet Silverado 1500 Base with RWD, Chrome Wheels, 16 Inch Wheels, Front Bench Seat, Steel Wheels, Independent Suspension, and Vinyl Seats 2004 Chevrolet Silverado 1500 LS 18 Photos

What does it mean when your engine hesitates under load?

An engine that hesitates, stumbles or misfires when accelerating or when it is under load, is an engine that is either sucking too much air, not getting enough fuel, or misfiring. If the Check Engine Light comes on, you may find any of the following codes: P0171, P0174 Lean fuel condition codes P0120 to P0124 Throttle position sensor codes

Are there any problems with the Duramax diesel engine?

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.

How to fix a transmission that hesitates or jerks?

Common Fixes for a Transmission that Jerks or Hesitates 1 Low fluid level 2 Depleted fluid frictional properties 3 Poor cold-temperature fluidity

Are there any problems with the Duramax water pump?

This seems to be inherent of the factory water pump design. 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.

What causes the crankshaft on a Duramax to crack?

Or how about the fact that the rods in the LB7 and LLY engines can bend with added power and the LBZ and LMM mills are notorious for cracking pistons? Discover the worst failure point (s) of your Duramax in the article that follows, along with how to address it. 1. Snapped Crankshaft

When did the LLY Duramax go to 6 speed?

It was mated to a 5-speed Allison Transmission in years 2004 and 2005. In 2006, the Allison Transmission was upgraded to a 6 speed. Although our LLY Duramax specifications chart above does mention the turbocharger found on these trucks, it doesn’t mention the fact that these are one of the largest turbochargers found on any Duramax today.

How big is a 6.6 liter Duramax engine?

LML Duramax Specifications Chart Manufactured Years: 2011-2016 Engine Design: 6.6L 90-Degree V8 Turbocharged Diesel Transmission: 6-Speed Allison Transmission VIN Identification: (8th Digit of VIN) 8 Displacement: 403 Cubic Inches or 6.6 Liters

What’s the tow capacity of a LLY Duramax 5th Wheel?

The LLY Duramax was sold from 2004-2006 and tow capacity varies between model years. Conventional tow capacity across all models is 12,000 lbs. 5th Wheel tow capacity varies between years and depends on cab configuration. Numbers generally fall between 15,000 lbs and 16,700 lbs though.

What kind of transmission does Chevy Silverado 3500 have?

3500 HD models with the available Duramax 6.6 V8 have a ring gear size of up to 12 inches, which allows for more torque coming out of first gear. The Allison ® 10-speed automatic transmission is designed specifically for heavy-duty trucks to deliver more strength, improved efficiency and a smoother driving experience than before.

The L5P diesel engine is matched to an updated Allison 6-speed transmission (Fig. 10) that’s designed to accommodate the engine’s higher torque capacity. Following are several operating characteristics of the 6.6L Duramax diesel engine and Allison 6-speed transmission that should be considered normal operation.

What kind of transmission does the 2020 Silverado have?

The 2020 Silverado HD is sold with a 10-speed Allison Transmission however the transmission isn’t really made by Allison and is simply an Allison-branded unit. Sign In Sign Up

It was mated to a 5-speed Allison Transmission in years 2004 and 2005. In 2006, the Allison Transmission was upgraded to a 6 speed. Although our LLY Duramax specifications chart above does mention the turbocharger found on these trucks, it doesn’t mention the fact that these are one of the largest turbochargers found on any Duramax today.

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Ruth Doyle