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The Daily Insight

What kind of transmission is in a 2003 Chevy Trailblazer

Author

Nathan Sanders

Published Feb 12, 2026

Year2003Transmission Code4L60ETransmission Speed4Transmission Drive Type4WDEngine Size4.2

What kind of transmission does a 2003 Chevy TrailBlazer have?

Engine4.2L I-6Seating5 PassengersTransmission4-spd auto w/ODPower275 @ 6000 rpmDrivetrainfour-wheel

How much is a new transmission for a 2003 TrailBlazer?

2003 Chevy Trailblazer Transmission Replacement Cost The new transmission will run between $1,500 and $2,300 typically, with additional fluids and parts extra. Shop for your Trailblazer parts at AutoZone including mufflers, wheel studs, wiper blades, and vehicle drivetrain accessories.

What transmission does a TrailBlazer have?

Continuously Variable Transmission (CVT) Every front-wheel drive Trailblazer, including those with 1.2L and 1.3L engines, comes with a CVT. CVTs provide a smooth driving experience because there are no gears for the transmission to shift through as you accelerate.

How do I find out what transmission I have?

Open the driver’s side door and find the white card on the side of the door that is filled with small black lettering. This card contains specific details about the year the car was made, its transmission, engine specifications and other details. Underneath or beside the “TR” symbol will be a number code.

What vehicles have the 4l60e transmission?

  • Buick Rainier 2004-2007.
  • Buick Roadmaster 1994–1996.
  • Cadillac Escalade 1999-2000, 2002-2005 (models with LM7/5.3L V8 Also with 6.0 LQ9)
  • Cadillac Fleetwood 1994–1996.
  • Chevrolet Astro 1993-2005.
  • Chevrolet Avalanche 2002-2008.
  • Chevrolet S-10 Blazer 1994-2005.
  • Chevrolet Camaro 1994–2002.

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

You can usually expect to pay $800 to $1,400 to have a transmission rebuilt. It is not an easy job and will likely take about a week for a mechanic to do.

What kind of transmission is in a 2002 TrailBlazer?

All TrailBlazers have four doors and come with the new 4.2-liter inline six-cylinder engine and four-speed automatic transmission.

Do TrailBlazers have transmission problems?

For example, many owners reported that their TrailBlazer’s transmission failed. Once again, the average TrailBlazer that had this issue had a lot of miles on it, as the average was about 100,000 miles. However, unlike the accessory problems, it cost on average $2,200 to fix the TrailBlazer’s transmission problem.

What transmission do I have by Vin?

Another way is to crawl under the vehicle and look for part numbers. Using a good flashlight, look for part numbers stamped into the transmission pan or the transmission itself. Your local auto part store or dealer will be able to cross-reference the numbers to determine the kind of transmission the part belongs to.

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How do I know if I have a CVT transmission?

A tell-tale sign of a CVT is this: When you accelerate watch your tachometer. As you accelerate with a regular geared transmission it will climb gradually and then suddenly drop as it changes gear. You should see this happen a few times (5 or 6 up to highway speeds is typical).

How many miles does a Chevy Trailblazer last?

Here is the short answer to how long Chevrolet Trailblazers last: The Chevrolet Trailblazer can last for an average of 200,000 miles and possibly more with adequate maintenance. If you drive 15,000 miles per year, that gets you about 13 years of great service from your Trailblazer.

Is my Trailblazer a v6 or V8?

The TrailBlazer comes with an all-aluminum 4.2 L Atlas LL8 inline-six engine that produces 203.5 kW (273 hp; 277 PS) and 376 N⋅m (277 lb⋅ft) of torque as standard, or an optional aluminum small-block 5.3 L V8 engine that produces 225 kW (302 hp; 306 PS) and 447 N⋅m (330 lb⋅ft) of torque with Active Fuel Management.

What is a 4.2-liter engine?

The 4.2-liter engine is an inline six-cylinder (I-6) and is powered by regular gasoline. It has 24 valves–four valves per cylinder–and they are in a double-overhead-cam (DOHC) configuration. This means that there are two camshafts and they sit on the top of the cylinder head.

What are common problems with Chevy Trailblazers?

  • There is frequent fuel level sensor failure in Chevy Trailblazers.
  • The AC blower is inoperable due to a failed resistor.
  • The cooling fan clutch may fail.
  • Here’s what else to watch for in the Chevy Trailblazer.

Is it cheaper to rebuild a transmission or replace it?

A transmission replace is the most expensive option when fixing your transmission. In many cases you will hear this referred to as “re-manufactured.” Basically, the manufacturer will replace parts that have gone bad with modified parts. This is an option if the transmission is too damaged to even consider a rebuild.

Is it worth it to fix transmission?

Rebuilding a transmission can save you a lot of money over the short-term, while keeping car payments out of your monthly budget. For many, rebuilding their transmission is worth the initial cost. Rebuilding a transmission may cost you twenty-five hundred dollars or more, which is a significant chunk of change.

How do you tell if I have a 4L60 or 4L60E?

The rear output housing is configured with a six-bolt pattern in late model 4L60E transmissions. The 4L60 transmission is configured with a four-bolt pattern. The bolt pattern is not a guaranteed distinction, however, as early 4L60E transmissions, manufactured from 1992 through 1997, also have a four-bolt pattern.

What years was the 4L60E used?

4L60E/4L65EOverviewProduction1992–2013Body and chassisClass4-speed longitudinal automatic transmission

What motor does a 4L60E fit?

The front face 4L60-E is natively compatible with either the Chevrolet 90 degree “Small Block” & “Big Block” patterned engines (image, left), including the V6, V8 & I6.

What was the worst year for the Chevy Trailblazer?

According to CarComplaints’ extensive database, 2002 ranks as the worst model year of the Chevrolet Trailblazer. Owners reported complete transmission failure, with an average of $3,100 to repair, and an average of 100,000 miles when the problem occurs.

Are older Chevy Trailblazers reliable?

Quietst & most reliable car ever owned This car has been very reliable it has had some minor common issues all the speakers stopped working due to cheap factory speakers, the speedometer stopped working but got a discount beacuse there was a recall on the speedometer, the ac had to be reharged.

How long does it take to change a transmission in a trailblazer?

For 4 wheel drive, it’s anywhere from about 9 – 10.5 hours, according to labor time standards. It certainly could take hours longer depending on shop environment, tooling and experience.

How much is it to install a new transmission?

Replacements can range from $1,800 to $3,400. Depending on the repair shop and technicians, labor charges can range from $500 to $1,200. Here’s a quick overview of the average transmission cost: Remanufactured transmission – $1,300 to $3,400.

How much is a transmission for a 2002 Chevy Trailblazer?

2002 Chevrolet Trailblazer Automatic Transmission – from $1456.99+ | AutoZone.com.

Is there any recalls on a 2002 Chevy Trailblazer?

Recall no. On certain sport utility vehicles equipped with 4-wheel drive, the calibration of the transfer case control module could cause insufficient high-speed gear engagement. If the gear is not engaged, the vehicle can roll when the transmission is in “park,” and a crash could result without warning.

What transmission can replace a 4L60E?

The owner of this rig could’ve kept paying to have the 4L60E rebuilt, but instead chose to replace it with the much beefier 4L80E four-speed automatic transmission. The 4L80E has been used in a number of 1/2-, 3/4-, and 1-ton GM trucks over the years.

Does the Trailblazer have a 4L60E transmission?

Called the Chevy Trailblazer, this new midsize sport ute featured lots of available amenities, along with a pair of sophisticated new engines. … Both engines were paired with the 4-speed 4L60E transmission, which provides excellent performance in most situations.

What kind of transmission is in a 2004 Chevy Blazer?

4-spd auto w/OD Transmission.

How do I know what Chevy transmission I have?

Chevrolet transmissions can be manual or automatic. Automatic transmission on a Chevy can be identified in one of two ways: You can look at the size of the pan on the transmission or you can search for the identification number that has been stamped somewhere on the casing.

How many types of transmission are there?

Three Types of Transmissions: Manual, Automatic, and CVT.