2006 Chevrolet Cobalt 2.2L Automatic Transmission
2.2L L61 • 4-Speed Automatic • 4T45-E • MN5 • FWD
Looking for a Chevrolet transmission for your 2006 Cobalt? This page covers the 2.2L automatic transmission application, including the Hydra-Matic 4T45-E transaxle and important fitment details.
The right transmission depends on more than the vehicle's year and model. Engine configuration, transmission code, production details and vehicle identification should be checked before ordering.
2006 Chevrolet Cobalt 2.2L Transmission Overview
The 2006 Chevrolet Cobalt with the 2.2L engine can be equipped with the Hydra-Matic 4T45-E automatic transaxle. Chevrolet identifies this transmission with RPO code MN5.
The 4T45-E is a four-speed electronically controlled automatic transmission designed for transverse front-wheel-drive applications. Its compact transaxle design combines the transmission and final-drive components into one assembly, making it suitable for the Cobalt’s front-wheel-drive layout.
For a replacement transmission, it’s important to confirm that the unit matches the vehicle’s specific application rather than relying only on the model year.
2006 CHEVROLET COBALT
2.2L L61 • AUTOMATIC • FRONT-WHEEL DRIVE
VIN F identifies the 2.2L engine application. Confirm the transmission identification and complete vehicle information before ordering a replacement transmission.
Need a Transmission for Your 2006 Chevrolet Cobalt?
A transmission replacement starts with identifying the correct application.
For a 2006 Chevrolet Cobalt with the 2.2L L61 engine and automatic transmission, the relevant transmission family is the 4T45-E.
Before ordering a replacement transmission, it’s useful to confirm:
- 2006 model year
- Chevrolet Cobalt
- 2.2L engine
- L61 engine application
- Automatic transmission
- 4T45-E transmission family
- MN5 RPO information
- VIN and vehicle configuration
The complete vehicle information helps prevent confusion between the different engine and transmission configurations available for the 2006 Cobalt.
How to Identify the Correct Transmission
Step 1 — Confirm the Vehicle
2006 Chevrolet Cobalt
Step 2 — Confirm the Engine
2.2L L61 4-Cylinder
The 8th VIN digit F identifies the 2.2L engine application in this Cobalt configuration.
Step 3 — Confirm the Drivetrain
Front-Wheel Drive
Step 4 — Confirm the Transmission
Automatic / 4T45-E
Step 5 — Check the Transmission Identification
The 4T45-E has a metal identification nameplate attached to the transmission case. The identification information can help technicians and parts suppliers determine the appropriate replacement or service parts.
2.2L Automatic Transmission Fitment
The specific application for this page is:
Year: 2006
Make: Chevrolet
Model: Cobalt
Engine: 2.2L L61
Transmission: 4T45-E
RPO: MN5
Type: 4-Speed Automatic
Drive: Front-Wheel Drive
Layout: Transverse
GM’s parts catalog lists the 2006 Cobalt L61 2.2L application with MN5 — automatic 4-speed 4T45-E.
Important Fitment Note
Don’t assume that every transmission listed simply as a 2006 Cobalt transmission is automatically the same.
The 2006 Cobalt had multiple engine/transmission configurations, including automatic and manual applications. Parts catalogs distinguish the 2.2L automatic application from other Cobalt configurations.
Always confirm the complete vehicle and transmission identification before ordering.
Signs Your Transmission May Need Attention
Delayed Engagement
The vehicle takes longer than normal to engage Drive or Reverse.
Hard Shifting
Gear changes may become noticeably harsh or inconsistent.
Slipping
Engine RPM can rise without the expected increase in vehicle speed.
Fluid Leakage
A visible transmission-fluid leak underneath the vehicle can indicate a problem.
Unusual Noise
Whining, grinding or other unusual drivetrain noises can require inspection.
Loss of Drive
The vehicle may have difficulty moving in Drive or Reverse.
Warning Light
A drivetrain or check-engine warning can occur when the vehicle detects a fault.
Important: These symptoms don’t automatically mean the complete transmission needs replacement. Other drivetrain or control-system problems can produce similar symptoms, so diagnosis should come first.
Why Choose AutomartAutoparts?
Finding the right used engine or transmission can be stressful, especially when you're not sure about compatibility, availability, or where to find the right replacement. Automart Auto Parts helps make the process simple. We have helped many customers find replacement engines and transmissions for a wide range of vehicles, and our parts specialists are here to help you identify the right option for your vehicle.
With so many used engines for sale online, finding the correct replacement can be difficult. Automart Auto Parts helps make the process simpler by helping customers identify appropriate used engine applications based on their vehicle information.
With multiple warehouse locations across the state, we can help customers connect with available parts closer to their area. Our network and inventory sources allow our team to check available replacement engines and transmissions based on your vehicle's requirements.
Trusted by Customers
We've helped many customers with their replacement engine and transmission needs, providing assistance throughout the process.
Multiple Warehouse Locations
With multiple warehouse locations across the state, our network helps us serve customers in different areas and check for available parts closer to them.
Fitment Assistance
Not sure which engine or transmission you need? Our parts specialists can help verify your vehicle and part information before you move forward.
Availability & Pricing
We can check current availability and provide pricing information based on the replacement part your vehicle requires.
A Simpler Way to Find Your Replacement Part
You don't have to spend hours comparing used motors for sale and trying to determine which engine will work with your vehicle.
Tell our team your vehicle's year, make, model, engine size and VIN when available. Our parts specialists can use that information to help identify the appropriate replacement application and check available options.
Whether you need a used engine for a car, truck or SUV, starting with accurate vehicle information makes it easier to narrow down the correct replacement.
Looking for a Chevrolet Cobalt Transmission Near You?
Searching for a Chevrolet Cobalt transmission near you can help you find replacement options, but location alone doesn’t determine compatibility.
For a 2006 Cobalt, the important information is the vehicle configuration.
If you have the 2.2L L61 engine with an automatic transmission, provide the complete vehicle information so the correct transmission application can be checked.
How It Works
Finding the right replacement engine or transmission is simple. Tell us about your vehicle and our parts specialists will help you find the right replacement option.
Tell Us Your Vehicle
Provide your vehicle's year, make, model and engine or transmission information. We may also ask for your VIN to help confirm compatibility.
Tell Us What You Need
Let us know whether you're looking for a used engine, replacement engine, used transmission or replacement transmission.
We Check Availability
Our parts specialists check available inventory and supplier options to help identify a suitable replacement for your vehicle.
Get Your Quote
Once an appropriate option is identified, our team can provide available pricing and relevant part details for you to review.
FAQ
What transmission does the 2006 Chevrolet Cobalt 2.2L use?
The automatic application uses the Hydra-Matic 4T45-E, associated with GM RPO code MN5.
Is the 4T45-E a 4-speed transmission?
Yes. It has four forward gears. Chevrolet lists the ratios as 2.960, 1.626, 1.000 and 0.681.
What Is the 4T45-E Transmission?
The 4T45-E is a Hydra-Matic automatic transaxle designed for transverse front-wheel-drive vehicles.
Its designation can be understood broadly as:
4 — Four forward gears
T — Transverse-mounted
45 — Transmission product series
E — Electronic controls
The transmission uses a torque converter and electronically controlled shifting.
Its published forward gear ratios are:
| Gear | Ratio |
|---|---|
| 1st | 2.960:1 |
| 2nd | 1.626:1 |
| 3rd | 1.000:1 |
| 4th | 0.681:1 |
| Reverse | 2.143:1 |
These are the specifications Chevrolet published for the 4T45-E.
Understanding the 4L80E
The 4L80E is a four-speed electronically controlled automatic transmission family used across a range of GM applications.
For the 2003 Silverado 1500 6.0L 4x4 application, current transmission references identify the transmission family as 4L80E and the transmission speed as four.
However, the 4L80E name by itself isn't enough to establish fitment.
Different vehicles and years can use different transmission tags, calibrations, connectors, transfer-case arrangements and related components.
That's why the vehicle application should be confirmed before purchasing.
Does VIN F identify the transmission?
No. VIN F identifies the 2.2L engine application. The transmission should be verified separately through the vehicle's transmission/RPO information and the transmission identification.
How can I identify my 4T45-E?
The transmission has a metal identification nameplate on the case. This information can help identify the transmission for parts and service purposes.
Explore More Engines And Transmission
Looking for a replacement engine or transmission for another vehicle?
Explore our vehicle-specific engine and transmission pages for information about engine and transmission specifications, fitment, VIN identification and replacement options.
2001 Chevy S10 │
│ 4.3L Engine
Looking for a 2001 Chevy S10 4.3L engine replacement? Automart Auto Parts can help you identify the correct 4.3L V6 application for your truck and check available replacement options. Provide your v..
2002 Chevy Monte Carlo │
│ 3.4L Engine
Looking for a 2002 Chevy Monte Carlo 3.4L engine? Automart Auto Parts can help you find a compatible used replacement engine for your vehicle. The 2002 Monte Carlo was available with a 3.4L V6 engine identifi..
2016 Hyundai Tucson | 1.6L turbo engine |
Looking for a used engine for your 2016 Hyundai Tucson? Automart Auto Parts can help you find a replacement 1.6L turbo gasoline engine for your vehicle. This app..