CHEVROLET 140600 Automatic Transmission 4-146 2.4

( Manufacturer Part Number: 140600 ), ( Manufacturer Warranty: 6 Month ), ( Core Charge: 47.85 Which Is Included In The Total Price ), ( Genuine Oem: No ), ( Seller Notes: 2.4, Flr, 4at, Fwd ), ( Interchange Item Code: 400 ), ( Color: White ), ( Compatibility: Sunfire 96 At; 4-146 ), ( Cavalier 96 At; 4-146: 2.4l ), ( Type: Automatic Transmission Assembly )

Review CHEVROLET Used Automatic Transmission Assembly At 2.4 fits CAVALIER 1996

The **1996 Chevrolet Cavalier 4-146 2.4L engine paired with the 140600 automatic transmission** represents a refined yet robust drivetrain combination from General Motors mid-1990s lineup, designed to deliver a balance of efficiency, reliability, and smooth operation for daily commuting and light highway driving. Engineered as part of GM s **2.4L "Iron Duke" family**, this inline-four cylinder (designated **L46**) features a cast-iron block and aluminum cylinder head, producing approximately **110 120 horsepower** and **130 140 lb-ft of torque**, depending on tuning and emissions adjustments. The engine s overhead camshaft (SOHC) design, paired with a single chain-driven valve train, ensures precise valve timing while maintaining durability a hallmark of GM s cost-effective yet durable small-block architecture. The **4-146** designation indicates a **four-speed automatic transmission (140600)**, a variant of GM s **THM-735A** or **THM-735C** family, which became a staple in late-'90s Chevrolets, including the Cavalier, Monte Carlo, and Lumina. This transmission is renowned for its **smooth shifting, robust planetary gear set, and integrated torque converter**, which enhances acceleration and fuel economy without sacrificing refinement.

The **140600 automatic transmission** itself is a study in engineering pragmatism, featuring a **heavy-duty planetary gear arrangement** optimized for the Cavalier s lightweight chassis, ensuring efficient power delivery across the rev range. Its **electronic shift solenoids** (controlled by the PCM) modulate hydraulic pressure to engage gears precisely, reducing jerkiness and improving fuel efficiency a critical feature for the Cavalier s urban and highway-oriented driving profile. The transmission s **torque converter** is designed to lock up at higher speeds, minimizing slippage and enhancing efficiency, while its **overdrive fourth gear** (typically around **0.60:1 ratio**) extends cruising range without excessive engine strain. Durability is further bolstered by the **THM-735 s** reputation for longevity when maintained properly, though it is not immune to wear over time, particularly in high-mileage applications where fluid degradation or solenoid failure may necessitate attention.

For the **1996 Cavalier**, this transmission-engine pairing was a practical choice, offering a **sweet spot between performance and economy** ideal for drivers seeking a car that could handle city stop-and-go traffic with ease while still providing adequate highway passing power. The **2.4L engine s** compact size and lightweight construction contributed to the Cavalier s nimble handling and efficient weight distribution, while the **140600 automatic** ensured that power was delivered smoothly, reducing the need for manual intervention. This combination was particularly well-suited for the Cavalier s **LS, LT, and LTZ trims**, where buyers often prioritized reliability, fuel economy (around **22 26 MPG combined**), and a comfortable ride over raw performance. Over the years, enthusiasts and mechanics have praised the **4-146/140600 setup** for its **simplicity, availability of parts, and adaptability**, making it a favorite for restorations, builds, and even light modifications whether for a classic Cavalier or as a donor unit for other GM applications.

When considering maintenance or restoration, attention to the **transmission fluid** (typically **Dexron II or III**) and **filter** is critical, as degraded fluid can accelerate wear on the torque converter and planetary gears. The **valve body solenoids** and **shift solenoids** may also require periodic cleaning or replacement if shifting becomes erratic, while the **engine s timing chain** (a common point of failure in older GM small-blocks) should be inspected for stretch or tensioner wear. With proper care, this transmission-engine combo can easily exceed **200,000 miles**, making it a dependable choice for both original-equipment applications and aftermarket projects. Whether as part of a **restomod Cavalier** or a **budget-friendly daily driver**, the **1996 Chevrolet Cavalier s 2.4L 4-146 with 140600 automatic transmission** embodies a time-tested formula of **efficiency, simplicity, and enduring reliability**.

### **Pros and Cons of Buying a 1996 Chevrolet Cavalier (4.146 2.4L Engine with 140600 Automatic Transmission)**

1. **Affordability** The 1996 Cavalier is a budget-friendly used car, making it an attractive option for those on a tight budget. Prices typically range between $1,500 and $3,500 depending on condition and mileage.

2. **Reliability (for the era)** The 2.4L 4-cylinder engine (4.146) is a common, well-documented powertrain with a reputation for durability if maintained properly. Many examples last well beyond 200,000 miles with basic upkeep.

3. **Simple Mechanical Design** The automatic transmission (140600, a 3-speed Aisin unit) is straightforward and less prone to complex failures compared to modern transmissions. Common issues (like fluid leaks or solenoid failures) are easier and cheaper to fix than modern electronic transmissions.

4. **Fuel Efficiency** The 2.4L engine is relatively efficient for its time, averaging around **22 26 MPG combined** (city/highway), which is decent for a small sedan.

5. **Parts Availability** Being a late-'90s GM vehicle, parts (especially for the engine and transmission) are still widely available at auto parts stores and online. Aftermarket support is strong, and rebuild kits are inexpensive.

6. **Easy to Work On** The Cavalier s design is simple, with straightforward access to many components. DIYers can perform basic maintenance (oil changes, brake jobs, spark plugs) without specialized tools.

7. **Low Depreciation** Unlike newer cars, the Cavalier has already lost most of its value, so buying it used is a good way to avoid depreciation costs.

8. **Good for Beginners** Its simplicity makes it an excellent choice for first-time car buyers or those learning basic mechanics.

---

- **Slipping or rough shifting** (common in high-mileage examples).

- **Fluid leaks** (seals and gaskets degrade over time).

- **Solenoid failures** (can cause erratic shifting or no shifting at all).

- **Torque converter issues** (whining or delayed engagement).

- **Replacement cost**: A rebuilt transmission can run **$1,200 $2,000**, while a new one is even more expensive.

2. **Rust Concerns** Many Cavalier models from this era (especially in snowy or coastal regions) suffer from **frame and undercarriage rust**. A thorough inspection of the **wheel wells, rocker panels, and frame rails** is critical.

- No **stability control, anti-lock brakes (ABS) (common in later models), or airbags (if equipped with just driver-side only)**.

- Poor crash test ratings compared to modern vehicles.

- **Manual transmission models** (if available) are rare but may be preferable for better control.

4. **Poor Resale Value** Even in good condition, the Cavalier holds little value, so long-term ownership may not be financially rewarding.

5. **Engine Weaknesses**

- The **2.4L 4.146 engine** can develop **head gasket leaks** (especially if overheated).

- **Valvetrain issues** (worn lifters or camshaft problems) can cause knocking or ticking noises.

- **Oil consumption** is higher than modern engines, requiring more frequent checks.

6. **Comfort & Modern Standards**

- **Basic interior** with stiff seats and poor sound insulation.

- **Weak acceleration** (0 60 mph in 9 10 seconds, slower than modern economy cars).

- **Noisy cabin** (wind and road noise are noticeable).

- **Poor fuel economy in stop-and-go traffic** (city MPG drops to 18 20).

7. **Electrical & Modern Tech Issues**

- **Alternator failures** are common (check for dim headlights or battery drain).

- **No Bluetooth, USB, or modern infotainment** (if equipped, the radio may be basic).

- **Power steering assist** can fail, making steering heavier.

8. **Environmental & Emissions Concerns**

- Older cars contribute more to pollution and may fail modern emissions tests in some areas.

- **Smog check issues** in states with strict emissions laws.

---

### **Key Inspection Checklist Before Buying**

**Transmission** Check for smooth shifting, no slipping, and listen for whining (torque converter).

**Fluid Levels** Transmission fluid should be **reddish-brown and not burnt-smelling**; oil should be clean.

**Rust** Inspect **frame, wheel wells, and undercarriage** for structural corrosion.

**Engine** Look for **oil leaks, ticking noises (valvetrain), or overheating**.

**Suspension** Test for **bouncy rides (worn shocks), clunks over bumps, or uneven tire wear**.

**Brakes** Ensure **no grinding, pulsation, or excessive pedal travel**.

**Electrical** Test **all lights, horn, and accessories** (alternator test recommended).

**Test Drive** Listen for **unusual noises, check acceleration, and test all gears**.

---

### **Conclusion & Recommendation**

The **1996 Chevrolet Cavalier (2.4L 4.146 with 140600 automatic transmission)** is a **solid budget car** for those who prioritize **affordability, simplicity, and basic reliability**. It is best suited for:

- **First-time car buyers** who want an easy-to-repair vehicle.

- **Drivers with low mileage needs** (under 10,000 miles/year).

- **Those willing to perform basic maintenance** (oil changes, fluid checks, tire rotations).

- **People in areas where modern cars are unnecessary** (e.g., rural or low-traffic areas).

- **Long-distance commuters** (transmission and engine may struggle with heavy use).

- **Drivers in harsh climates** (rust and corrosion will accelerate wear).

- **Those seeking modern safety or comfort features**.

- **People who dislike frequent maintenance** (transmission and engine require attention).

- **Buy if:** You find a **well-maintained example with low miles (under 120,000), no rust, and a smoothly shifting transmission**. Budget **$2,000 $3,500** and be prepared for **transmission fluid changes every 30K 50K miles** and **potential future transmission work**.

- **Avoid if:** You want a **reliable, low-maintenance car for 10 years** or need **modern safety and comfort features**. Consider a **used Honda Civic (2000 2005) or Toyota Corolla (2000 2010)** for better long-term reliability.

**Best Use Case:** A **weekend or occasional-use car** for someone who enjoys mechanics and doesn t mind the car s limitations. For daily driving, a slightly newer used car (even a 10-year-old model) may be a better long-term investment.

Details:

All parts are covered by warranty. Every part is cleaned, tested and inspected by experts. Parts go back into cars rather than landfill. Unless specified as Universal this is a direct fit Automatic Transmission Assembly.

This part fits vehicles made in the following ye ars 1996. Original parts mean a perfect fit.

part #: 140600 prices

• $529.64-$592.00

specifications autotransmissionsgo:

• for models: Cavalier
• for makes: Chevrolet
• for years: 1996
• mpn: 140600
• manufacturer warranty: 6 Month
• core charge: 47.85 Which Is Included In The Total Price
• genuine oem: No
• seller notes: 2.4, Flr, 4at, Fwd
• interchange item code: 400
• color: White
• compatibility: Sunfire 96 At; 4-146
• cavalier 96 at; 4-146: 2.4l
• type: Automatic Transmission Assembly

general autotransmissionsgo:

• Car Truck Parts Accessories > Transmission Drivetrain > Automatic Transmission
• condition: Used

offer autotransmissionsgo:

• options: Ship-to-home
• started: April 15, 2026
• availability: In Stock
• sold: 0
• quantity: 1

returns autotransmissionsgo:

• paid by: Seller
• policy: Returns Accepted
• time: 30 Days

seller autotransmissionsgo:

• city: Corvallis, Oregon
• rating: 98.9%
• # reviews: 5505

payments autotransmissionsgo:

• other
• credit card: Mastercard
• wallet: Apple-pay

shipping autotransmissionsgo:

• cost: $149.00
• service: Flat Rate Freight
• type: Fixed
• class: Freight

Chevrolet 140600 Is Similar To:

• 05 06 Chevrolet Malibu Automatic (34.2% similar) Transmission installation procedures prior to of your used we require these steps be taken for warranty valid. 5L,TESTED this part will fit these makes and model's with options g6 06 at align and engage torque converter into front pump. Replace oil pan gasket and rear main seal. If needed replace ...(February 15th, 2018)
• 06 07 Chevrolet Malibu Automatic (34.2% similar) Do not dispose of the packaging materials box, Styrofoam peanuts, bubble wrap, paper packing, air bladders, etc. No expedited shipping is available. If an item arrives damaged, please using the message system within 24 hours for instructions...(October 6th, 2017)
• 09 Chevrolet Tahoe Automatic Transmission (54% similar) Install new spark plugs wires. Fill trans with manufacture specified fluid. Transmission installation procedures prior to of your used we require these steps be taken for warranty valid. Pre-installation requirements: replace all seals. Clear all transmission computer codes prior to starting or ...(September 6th, 2017)
• 0mhw 0mxw 24256840 Chevrolet Transmission-transaxle (33.8% similar) Transmission trans axle 2010 equinox 6 month warranty. Slides are not covered under warranty column switch: includes wiring if applicable up to the first point it can be unplugged control arm: ball joint and any bushings coolant overflow bottle: cap is included cowl vent panel: see our part notes...(April 20th, 2017)
• Chevrolet 100 Hhr Mn5 11b3707 2.2l Vue Transmission 06 07 Saturn (45.6% similar) This item will come exactly as described unless stated otherwise. Kosciusko auto 5040 I street Omaha, ne model chevrolet HRH 2006 stock number 11B3707 odometer 93,316 part comments AT,2. 2l opt L61 all fluid and retention seals must be replaced to assure warranty please verify this part will fit ...(March 2nd, 2015)
• Automatic Miles 2004 Chevrolet 0 Buick Oem 4sdd Transmission Gmc 12491882 (43% similar) Class thumb resize inmost FDA this. 2004 chevrolet GMC Buick automatic transmission 4SDD new miles oem class thumb resize inmost FDA this. Please for a quote. Coming soon. If an item arrives damaged, please via message within 24 hours for instructions. Expedited shipping is available. Class thumb ...(February 14th, 2015)
• 125887 Automatic 5.3l Miles 1999 Transmission 4x4 Chevrolet (42.5% similar) This item is in operational condition. This transmission assembly is in operational condition and has been in use until recently when the vehicle was taken off the road due to frame issues which made the vehicle no longer road safe...(August 8th, 2015)
• 1398041 98 Pickup Chevrolet 7.4l Reman 99k Transmission 2500 97 (40.5% similar) Ask any and all questions before the you purchase. FAQ q can I buy this whole vehicle a sorry, but you cannot. This is a parts replacement warranty only. Q I see a different part on this vehicle that I would like to buy. Warranty requirements install new filter kit replace front seals replace axle ...(November 4th, 2014)
• TRANSMISSION ASSY CHEVROLET 1500 SILVERADO PICKUP 01 13G-01 (19.2% similar) 3L, 4X2, ext CAB,5. 3L,4L60 please have access to lift gate to unload the pallet...(June 5th, 2014)
• 14004878 Oem Chevrolet Gm Speed Saginaw Transmission Cluster Gear Ratio (46.2% similar) No issues ,no chips in reverse, nice internal bore showing wear on any of the helical teeth. Tooth count large nice used mates only with a 3 groove input Saginaw 4 speed cluster...(August 10th, 2018)
• Assy Chevrolet 80 14a-62 Impala 05 Up Transmission (38.2% similar) ...(August 12th, 2014)