What transmission is in 2004 Duramax?

From 2001-2005, these trucks were equipped with a five-speed Allison automatic transmission. In 2006, the trucks received a big update, a “new” six-speed Allison transmission. The interesting discovery came after the new transmission was torn down for the first time.

Does 2004 Duramax have Allison Transmission?

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.

What transmission is in a 2004 Chevy Silverado 2500?

4-speed automatic
5-speed manual
2004 Chevrolet Silverado 2500/Transmission

What is the life expectancy of an Allison Transmission?

These trucks can (and do) regularly hit 200,000 miles. The truck and drivetrain will only last as long as you maintain it, though. There are parts that fail, just like anything else. But regular maintenance (fluid changes, body upkeep, hard part care) will help you have a very long relationship with your truck.

How do I know what Allison transmission I have?

This can be located on the side of the transmission. This data plate is usually found on the lower rear face of the rear housing. The serial number of an Allison transmission usually contains 10 numbers, and is listed just under the model number of the transmission.

Do all LB7 have Allison transmission?

While today, all Duramax trucks are paired with the Allison transmission, LB7 Duramax trucks also had an available ZF 6-speed manual transmission option….6.6L LB7 Duramax Specifications Chart.

Manufactured Years:	2001-2004
Transmission:	5-Speed Auto Allison Transmission
Vin Identification: (8th Digit)	1

How do I know if my 2004 Duramax is lly?

If the 8th digit of your VIN number is a 1, then it is a LB7 Duramax (the early engine). If the 8th digit is a 2, then it is a LLY. In mid 2004, GM switched to this newer LLY engine.

What transmission is in my 2004 Chevy Silverado?

2004 Chevrolet Silverado 1500/Transmission

How many miles is a Allison 1000 Good For?

Registered. 3 miles or 300k miles if it starts to slip your done.

How can I tell which Allison Transmission I have?

What transmission is in a 2004 GMC 2500hd?

4 & 5-speed automatic
5 & 6-speed manual
2004 GMC Sierra 2500HD/Transmission

Is a 2004 Duramax an LB7 or lly?

If the 8th digit of your VIN number is a 1, then it is a LB7 Duramax (the early engine). If the 8th digit is a 2, then it is a LLY.

How much does it cost to rebuild a Chevy Silverado transmission?

Rebuilding a car’s transmission costs on average $1500 to $3000.