Top 5 2005 to 2010 Chrysler 300C Problems: 8th Generation

A 2005 to 2010 Chrysler 300C with problems like the power windows not working is common for this 8th generation of models. Here’s the top 5 most common issues may run into and their fixes.

Top 5 Most Common Problems with the 8th Generation Chrysler 300C, Years 2005 to 2010

1A Auto mechanic standing next to an 8th generation Chrysler 300C

1. Power Windows Not Working

Symptoms of Power Windows Not Working

Causes of Power Windows Not Working

2005 to 2010 Chrysler 300C Power Window Switch

The window might not move in the 8th gen Chrysler 300C but the window motor in the door could make a noise. Problems with the window switch could be from a bad window motor, bad or broken window regulator, or defective or damaged wiring.

How to Fix Problems with the Power Windows in the 2005 to 2010 Chrysler 300C

Inspect the wiring behind the boot for damage. See if any have been pinched or spliced open. The window motor may be defective, or there may be an issue with the window regulator. You can remove the door panel to access and test what’s causing the problem. With the door panel removed, inspect the window regulator for damage, like for a broken cable.


2. Squeak from Steering Wheel

Symptoms of a Steering Wheel Squeak

Causes of a Squeaky Steering Wheel

The seal at the base of the steering shaft is known to cause a squeaking noise from the steering wheel when in use.

How to Fix a Squeaky Steering Wheel

2005 to 2010 Chrysler 300C Steering shaft base
Steering shaft base

You can find the seal at the steering shaft’s base from the engine compartment. Lubricating the seal and turning the steering wheel back and forth until the noise stops can fix this problem.

3. Issues with the Transmission Shifting

Symptoms of Problems with the Transmission in the 2008 to 2015 Chrysler 300C

  • Hard shifting
  • Transmission shuttering

Causes of Problems with the Transmission

You might run into problems with the transmission hard shifting or shuttering while driving. This is likely from a problem with the control module.

How to Fix Transmission Shifting Problems

Contact your dealership with your car’s VIN number. They might need to update the car’s control module. If the car doesn’t need updating but still has this problem, the transmission will need further diagnosing.

What Causes Transmission Shudder? How to Diagnose Problems with the Transmission

4. Engine Misfires

Symptoms of Engine Misfires

  • Check engine light
  • Engine misfiring

Causes of a Misfiring Engine

Carbon is known to build up on the back side of the valves and cause misfires.

How to Fix an Engine Misfire

If the engine is shaking and the check engine light is on, connect the scanner to the OBD-II port to scan for codes. Usually these symptoms will trigger a P0300 misfire code.

Since this problem is usually caused by carbon build-up, have the engine cleaned professionally.

The dealership is also known to offer updated valve spring retainers to prevent this issue

5. Oil Pressure Sending Unit

2005 to 2010 Chrysler 300C Oil pressure sending unit next to where oil filter installs
Oil pressure sending unit (left)

Symptoms of a Damaged Oil Pressure Sending Unit

  • Check engine light for P0520

How to Fix the Oil Pressure Sending Unit

Replace the oil pressure sending unit underneath the engine beside the oil filter. Disconnect the connector, replace the part, and clear the code.

If the code returns, diagnose the problem further with a wiring diagram.

8th Generation Chrysler 300C Model Years

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Top 5 Chrysler 300C Problems - 8th Gen - 2005 to 2010 - 1A Auto
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Top 5 Chrysler 300C Problems - 8th Gen - 2005 to 2010 - 1A Auto
Learn the top 5 Chrysler 300C problems and fixes of the 8th generation, years 2005 to 2010, with these expert tips from the 1A Auto mechanics in this article and video
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