Common questions

What kind of engine does a Duramax LB7 have?

What kind of engine does a Duramax LB7 have?

The DFC Tow/Haul HD Standard Series Long Block is a remanufactured engine designed for your 2001-2004 GM 6.6L Duramax LB7 truck’s most demanding towing and hauling needs. DFC engines are remanufactured to meet strict guidelines and support up to 900 horsepower.

How big is a 6.6 liter Duramax engine?

6.6-Liter Duramax Engines The Duramax engine is a joint venutre of GM & Isuzu. LB7 (VIN “1”) Engine was installed from 2001-2004. LLY (VIN “2”) Engine was installed from 2004-2005.

When was the LML engine installed on a Duramax?

LBZ (VIN “D”) Engine was installed from 2006-2007. LMM (VIN “6”) Engine was installed from 2007-2011. LML (VIN “8”) Engine was Installed from 2011 to current. To determine the correct part number and configuration available, please gather the VIN (Vehicle Identification Number). Depending on the model this may be all that is needed.

What causes LB7 Duramax engine to overheat?

When the fan clutch is damaged, it prevents it from operating and giving the LB7 Duramax engine the additional cooling it needs. Overheating can also be attributed to a dirty or clogged radiator. Over time, your radiator can accumulate dirt, grime, and other gunk.

Does the LB7 have EGR?

If its a federal emissions truck with a LB7 it never had egr. Only california emission lb7 trucks had egr on them. Federal emission trucks with lb7s never did. Is it a California truck originally?

What are common problems with Duramax diesel engines?

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

Who makes the Duramax diesel engine for GM?

The Duramax is a General Motors V8 diesel engine family for trucks. The 6.6-liter Duramax is produced by DMAX, a joint venture between GM and Isuzu in Moraine, Ohio.

Who built the Duramax?

Duramax may refer to: Duramax V8 engine , a turbocharged V-8 Diesel engine designed and built by General Motors Isuzu 6H Engine, a 6-cylinder commercial Diesel engine, re-branded “Duramax” for GM trucks

Are there any problems with the GM LB7 engine?

As impressive as GM’s new engine platform appeared, the LB7 had terrible problems with fuel injectors failing. In fact, injector failures were so frequent that GM was forced to recall the poorly designed units and replace them with an updated design.

How often should I change the oil in my LB7 Duramax?

This is especially important if you tow heavy loads. Heavy towing can take a big toll on your LB7 Duramax. You’ll need to complete common maintenance tasks like changing the oil and transmission fluid more frequently. If you are often in dirty or dusty conditions, keep an eye on your air filter. It will need to be changed more frequently too.

When to replace a Chevy LB7 turbo charger?

Whether it’s due to turbo failure or that urge for extra power, this write-up will guide you through the replacement of an LB7 turbo charger while the motor is still in the truck. 2001 model year trucks will vary slightly as will trucks with EGR.

The DFC Tow/Haul HD Standard Series Long Block is a remanufactured engine designed for your 2001-2004 GM 6.6L Duramax LB7 truck’s most demanding towing and hauling needs. DFC engines are remanufactured to meet strict guidelines and support up to 900 horsepower.

As impressive as GM’s new engine platform appeared, the LB7 had terrible problems with fuel injectors failing. In fact, injector failures were so frequent that GM was forced to recall the poorly designed units and replace them with an updated design.

This is especially important if you tow heavy loads. Heavy towing can take a big toll on your LB7 Duramax. You’ll need to complete common maintenance tasks like changing the oil and transmission fluid more frequently. If you are often in dirty or dusty conditions, keep an eye on your air filter. It will need to be changed more frequently too.

How often do you change fluid on a LB7?

If you frequently drive in to change your air filter more often. servicing every 50-75,000 miles. changing fluid every 100,000 miles. replace fluid ASAP. changing fluid every 100,000 miles. replace fluid ASAP. If you tow or idle frequently, you need to follow the severe conditions LB7 Maintenance schedule.

What kind of problems does a Duramax engine have?

The 5 Most Common LB7 Duramax Engine Problems 1 Fuel Injector Failure 2 Water Pump Failure 3 Fuel Filter Housing O-ring Leaks 4 Blown Head Gasket 5 Overheating (fan clutch problems, radiator gunk)

6.6-Liter Duramax Engines The Duramax engine is a joint venutre of GM & Isuzu. LB7 (VIN “1”) Engine was installed from 2001-2004. LLY (VIN “2”) Engine was installed from 2004-2005.

LBZ (VIN “D”) Engine was installed from 2006-2007. LMM (VIN “6”) Engine was installed from 2007-2011. LML (VIN “8”) Engine was Installed from 2011 to current. To determine the correct part number and configuration available, please gather the VIN (Vehicle Identification Number). Depending on the model this may be all that is needed.

Where was the 2004 Chevy Silverado 3500 purchased?

No accident or damage reported to CARFAX. 1st owner purchased on 05/03/04 and owned in GA until 04/12/11 • 2nd owner purchased on 04/15/11 and owned in TN until 10/31/12 • 3rd owner purchased on 10/31/12 and owned in GA until .

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Ruth Doyle