• Home
  • Denver Auto Repair Services
    • Full Service Oil Change
    • Expert Mechanics
      • Expert Honda Mechanics
      • Expert Toyota Mechanics
      • Expert Subaru Mechanics
    • Automatic Transmission
    • Fuel System Cleaning
    • Radiator Flush Service
    • Wiper Blades
    • Air Filter
    • Cabin Air Filter
    • Gearbox Service
    • Brake Repair
    • Clutch Repair
    • CV Boots
    • Tune-Up
    • Steering & Suspension
    • Tires
  • Auto Diagnostic
  • Contact Us
    • About Us
  • Shop Specials
  • Testimonials
  • Blog
  • 303-691-2760

Express Car Care of Denver

"Denver's Best Auto Repair and Quick Lube"

  • Brake Service
  • Car Maintenance
    • Heating-Air Conditioning
    • Suspension
    • Transmission
    • Engine
    • Tires
  • Oil Change
  • Tips & Tricks

Torque Converters and Their Role in Transmissions

November 18, 2023 by Denver Express Car Care

Most drivers fall into one of two categories. 

1. It’s a means of transportation. They expect it to work when they get in and don’t think much about the mechanics of how it works. 

2. Aren’t they just marvels of modern engineering? If you’ve ever found yourself awestruck by the sheer might and agility of these metal beasts, you’re not alone! You wonder what makes them tick, glide, and roar smoothly on those bustling roads. 

You’re reading this. Chances are you want a deeper understanding of what makes your car run. So let’s dive deeper beyond the basics into a torque converter. They play a pivotal role in transmissions. 

Understanding Torque

What exactly is torque? Picture this: you’re turning a wrench, and that force you’re applying in the circular motion – that’s torque! In our beloved vehicles, torque is the rotational power produced by the engine. It’s this force that enables your car to accelerate and drive uphill without breaking a sweat.

But, how does this rotational power from the engine smoothly propel the vehicle? Enter the unsung hero of our tale: the torque converter.

What a Torque Converter Does in Your Car

Nestled between the engine and the transmission, the torque converter takes on the crucial task of managing and transferring the engine’s torque to the transmission, ensuring your ride is smooth and easy. It’s like the messenger, faithfully relaying the energy from the engine to the wheels, ensuring your vehicle moves forward with grace and power.

Torque Converters and Their Role in Transmissions

The torque converter allows your car to stop and start without needing to shift gears manually. If you’ve ever used a manual transmission and a clutch system to shift gears – that’s what the torque converter does! It ensures that even when your vehicle comes to a halt, the engine keeps purring, ready to leap into action at your command.

Torque Converter Parts and Their Roles

In order to make this process happen, the torque converter sits in place, moving into action every time you press down on the accelerator. Let’s peel back the layers and peer into the integral components of a torque converter:

Impeller

Residing close to the engine, the impeller is like the frontman of a band, setting the pace for everyone else. When the motor spins, so does the impeller, sending transmission fluid whirling towards the turbine.

Turbine

Acting as the counterpart to the impeller, the turbine takes the fluid from the impeller and spins, which, in turn, propels the transmission, getting the vehicle to move.

Stator

The mediator in our setup, the stator, redirects the fluid from the turbine back to the impeller, ensuring that everything runs in a cohesive, harmonious cycle.

Clutch

Some torque converters feature a clutch, designed to lock the turbine and impeller together at higher speeds, ensuring that your ride is efficiently cruising with minimal energy loss.

Fluid

The unsung hero of the setup, the transmission fluid, is crucial in transferring the torque from the impeller to the turbine, essentially driving the whole operation.

These components harmoniously collaborate to ensure your car moves smoothly, providing you with a seamless driving experience.

Signs of a Failing Torque Converter

With such a pivotal role, it’s crucial that the torque converter is always in top form. So, how do you know when it’s crying out for help? Here are some telltale signs:

Overheating Transmission

When the transmission overheats, it’s often a sign that the torque converter isn’t doing its job properly. The impeller might be failing to propel the transmission fluid effectively, leading to insufficient cooling and lubrication within the transmission. Consistent overheating is not just a symptom but a catalyst for further damage, potentially harming seals, clutches, and other vital components.

Vehicle Won’t Shift

Difficulty in shifting gears can emerge from various transmission issues, and one significant contributor is the torque converter. If the converter is malfunctioning, it can create an imbalanced fluid pressure, making it strenuous for the gears to engage or disengage. The synchronized dance between the engine and transmission becomes chaotic, disrupting your smooth ride and potentially harming your vehicle’s gearbox in the long run.

Slipping Between Gears

When your vehicle unexplainably slips between gears or is reluctant to stay in gear, the torque converter may be unable to maintain adequate hydraulic pressure, which is vital for maintaining gear positions. This not only hampers the driving experience but also poses a risk, as it can impair the driver’s control over the vehicle, especially during crucial moments like overtaking or navigating through traffic.

Loss of Acceleration

When your vehicle fails to accelerate as it once did, the torque converter could be unable to efficiently transfer the engine’s power to the transmission. This lag in response, especially in scenarios like merging onto highways, can be hazardous. Moreover, continuous stress on the engine to deliver more power than the torque converter can handle might lead to an overall decline in vehicle performance.

Transmission Fluid Leak

Those unexpected puddles under your vehicle could be a symptom of a compromised torque converter seal or a crack in the converter itself. Leaks are more than just a mess; they indicate that your vehicle is losing vital transmission fluid, which is pivotal for keeping the entire system cool and lubricated. Ignoring leaks can fast-track your vehicle toward severe transmission damages and potential breakdowns.

Bad Transmission Fluid

Murky, burnt-smelling transmission fluid is indicative of potential issues within the torque converter. When the converter struggles or fails, it can lead to overheated transmission fluid, which in turn darkens and acquires a burnt odor. This deteriorated fluid can inflict wear and tear on the entire transmission system, gradually decimating its efficiency and longevity.

Have a question? Bring your car in

A failing torque converter isn’t just an inconvenience; it’s a serious issue that could lead to further, more complex transmission problems down the road. 

In the realm of auto maintenance, knowledge is your best ally. Being mindful of these signs and ensuring prompt action safeguards not only the health of your vehicle but also your safety. 

Whenever you sense your vehicle whispering these distress signals, it’s time to consult with professionals. Your vehicle’s longevity, performance, and your safety on the road hinge significantly on the health of components like the torque converter.

So, if you’re noticing any of these signs, it’s crucial to bring your vehicle to a trusted auto repair shop, such as ours, where we’re all about maintaining and ensuring your ride is always smooth, powerful, and reliable.

How can we help you stay safe on the road?

Filed Under: Transmission

Express Car Care
4200 E. Evans Ave. Denver, CO (map)
Phone: (303) 691-2760
Located just southeast of the Colorado Light Rail station

Follow Us Today!

  • Facebook
  • RSS

Shop Hours

Monday: 8:00AM – 5:00PM
Tuesday: 8:00AM – 5:o0PM
Wednesday: 8:00AM – 5:00PM
Thursday: 8:00AM – 5:00PM
Friday: 8:00AM – 5:00PM
Saturday: Closed – A note from the owner
Sunday: Closed

Last car oil change time  – 5:00PM

Click for the BBB Business Review of this Auto Repair & Service in Denver CO

Recent Articles

Affordable Brake Pad Replacement in Denver: What You Need to Know

Affordable Brake Pad Replacement in Denver: What You Need to Know

What if your brakes failed today? You’re zooming down the highway, tap on the brake pedal, and nothing happens …  Scary, right? It rarely starts like that. Instead, when you hit the brakes, … [Read More...]

  • Is Your Car Ready for a Road Trip? Our Pre-Trip Inspection Checklist
  • How to Know If Your Car Needs Suspension Repair in Denver’s Bumpy Roads
  • Signs Your Car Battery Might Be Failing and Where to Replace It in Denver
  • Why Tire Rotation and Balancing Matter—Especially in Colorado’s Climate
  • How Often Should You Replace Your Car’s Timing Belt in Colorado?

Search Our Site

Brakes Service

Affordable Brake Pad Replacement in Denver: What You Need to Know

How to Prevent and Fix Uneven Brake Pad Wear

Brake Repair in Denver: 5 Warning Signs You Should Never Ignore

Oil Change

Why Regular Oil Changes Are Crucial for Denver Drivers

The Benefits of Using High-Quality Motor Oil for Your Engine

The Role of Regular Oil Filter Replacements

Suspension

How to Know If Your Car Needs Suspension Repair in Denver’s Bumpy Roads

A Guide To Understanding Bushings on a Car

Tips for Preventing Wear and Tear on Your Car’s Suspension

Transmision Service

Transmission Trouble? Common Signs and When to Visit Our Denver Shop

How to Prevent Common Issues with Automatic Transmissions

Understanding the Signs of Transmission Problems and How to Fix Them

Engine Service

Is Your Car Hesitating During Acceleration?

How to Troubleshoot a Rough Idling Engine

Signs Your Car’s Water Pump Might Be Failing

Auto Tips & Tricks

Check Engine Light On? Here’s What Denver Drivers Need to Know

The Importance of Regular Wheel Alignment for Tire Longevity

The Benefits of a Well-Maintained Suspension System

"Denvers Best Auto Repair and Quick Lube" - Copyright © 2025 - 4200 E. Evans Ave. Denver, CO 303-691-2760