Dodge Charger Transmission Repair in Glendale, AZ

Sun West Transmissions — Glendale, AZ. Free estimates, honest diagnosis and a 3-year / 40,000-mile warranty on qualifying rebuilds and replacements.

Dodge Charger Transmission Repair, From Daily Drivers to Hemis

The Dodge Charger fills a lot of roles in the Phoenix area. It is a commuter on the Loop 101, a rideshare car on long shifts, a police and fleet sedan, and a weekend muscle car. Each of those uses puts a different kind of stress on the transmission. Sun West Transmissions in Glendale offers Dodge Charger transmission repair for V6, Hemi V8 and all-wheel-drive models.

We are a dedicated transmission shop. That means your Charger gets a real diagnosis from people who work on drivetrains all day, plus a free estimate before any repair.

Which Transmission Does Your Charger Have?

The modern rear-wheel-drive Charger has used several automatics since it returned in the mid-2000s.

• Four-speed automatic in some early base V6 cars.
• Five-speed automatic, the Mercedes-derived W5A580 (also called the NAG1), used in many V6 and V8 models during the first decade of production.
• Eight-speed TorqueFlite automatics, ZF-based units, phased in during the 2010s. V6 cars use a lighter-duty version, while V8 and high-performance cars use heavier-duty versions such as the 845RE and stronger variants for supercharged models.
• All-wheel-drive Chargers add a transfer case and front differential.

We confirm your exact unit by VIN. Our pages on the NAG1/W5A580 and the 845RE eight-speed go deeper on each design.

Common Charger Transmission Problems

Five-Speed Limp Mode and Harsh Shifts

The NAG1 five-speed is generally durable, but it is known for issues with the conductor plate, which houses the speed sensors, and for valve body and solenoid problems. Symptoms include sudden limp mode, harsh 2-1 downshifts and erratic shifting.

Eight-Speed Shift Quality

Eight-speed Chargers sometimes develop busy, harsh or delayed shifts. Correct fluid level, software and adaptive learning all matter on these units. Some complaints are resolved with updates, while others point to internal wear.

Slipping Under Hard Acceleration

Hemi and supercharged Chargers make a lot of torque. Repeated hard launches, added power or overheated fluid can wear clutch packs. If you feel the RPM flare under throttle, stop pushing the car hard and have it checked.

Torque Converter Shudder

A vibration at steady cruising speed is often converter clutch shudder, frequently linked to fluid breakdown from heat. Our torque converter replacement page explains the fix.

Fluid Leaks

Leaks from the pan, cooler lines or the electrical connector seal on some units can drop the fluid level and cause shifting problems. See our transmission leak repair page.

How We Diagnose a Charger Transmission

1. Scan the engine and transmission modules for codes and freeze-frame data.
2. Check fluid level and condition with the correct temperature-based procedure. Many Chargers have no dipstick.
3. Road test and watch live data for slip, shift timing and fluid temperature.
4. Inspect wiring, connectors, mounts and cooler lines.
5. Explain what we found and give a free estimate.

Our computer transmission diagnostics page explains why scan data alone is never the whole story.

Repair and Rebuild Options

Many Charger problems can be solved with a targeted repair, such as a conductor plate, solenoid or valve body. Others call for a complete transmission rebuild or a replacement unit. For modified or high-horsepower cars, we can discuss performance transmission builds that are designed to hold more power.

Cost depends on the transmission type, what failed, the converter and whether you want performance upgrades. We do not quote prices before diagnosis. Call for a free quote, and see our Dodge transmission pricing page for the factors involved. Financing is available.

Charger Care for Phoenix Heat

• Service the transmission fluid based on condition and mileage, not the “lifetime” label.
• Let the car warm up briefly before hard driving, especially on cool mornings.
• If you drive rideshare or delivery, treat it as severe service and check the fluid more often.
• Keep the cooling system healthy, since engine heat affects transmission temperature.

Why Sun West for Your Charger

Sun West Transmissions is located at 6116 West Northern Ave in Glendale, close to Grand Avenue and the Loop 101. We work on daily drivers and performance cars, and we explain our findings in plain English. Qualifying rebuilds and replacements carry our 3-year / 40,000-mile warranty with no deductible on covered repairs.

Dodge Charger Transmission FAQ

Why does my Charger go into limp mode and then work fine after restarting?

Intermittent sensor or electrical faults often cause this, and the five-speed conductor plate is a known culprit. A scan and inspection will pinpoint the cause.

Can you build a transmission for a modified Hemi Charger?

Yes. We can discuss upgraded parts to match your power level and how you drive the car.

Do you work on AWD Chargers?

Yes, including transfer case and front differential service. Call (623) 473-9800 to schedule.