Table of Contents
How much does it cost to put new injectors in a Duramax?
The total cost for Duramax injector replacement is $2,000 and $6,000. The labor costs associated with this job can range from $800-$1,500. Related repairs could be needed if you have driven for a long time with dirty fuel injectors.
How many miles should a 6.6 Duramax last?
The Duramax™ 6.6L V8 Turbo Diesel Engine is sold with a warranty of 100,000 miles/160,000 kilometers. The Duramax™ has been tested to survive upwards of 200,000 miles/320,000 kilometers.
What motor does a 2004 Duramax have?
V8 Turbocharged
6.6L LB7 Duramax Specifications Chart
| Manufactured Years: | 2001-2004 |
|---|---|
| Engine Design: | 6.6L 90-Degree V8 Turbocharged Diesel |
| Transmission: | 5-Speed Auto Allison Transmission |
| Vin Identification: (8th Digit) | 1 |
| Displacement: | 6.6 Liters or 403 Cubic Inches |
How many miles does a Duramax last?
Overall, a properly cared for Duramax engine should last over 300,000 miles. However, consumers report having Duramax’s lasting in the 500,000-mile range! Nonetheless, proper maintenance is a must to increase the life expectancy of your engine.
What are some of the most common problems with the Duramax?
9 Common 6.6L LB7 Duramax Problems. 1 1. LB7 Duramax Injectors. The most notorious LB7 Duramax problem is their original injectors. Even GM acknowledged their problems when they corrected 2 2. Lack Of A Fuel Lift Pump. 3 3. Fuel Filter Housing O-Ring Leaks. 4 4. Water Pump Failures. 5 5. Overheating.
Are there any problems with the LLY Duramax injectors?
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 is my Duramax overheating?
Despite these issues, a majority of LLY Duramax overheating is actually caused by other common LLY Duramax problems. Blown head gaskets, water pump failure, fan clutch failure, and even a dirty or clogged radiator can be the root cause of your overheating issues.
Do they still make Duramax diesel engines?
These diesel engines are where the Duramax started, and they have been so successful that the Duramax are still used in GM HD trucks today. As successful as the 6.6L LB7 Duramax was however, they do have their fair share of problems.