2002 Chrysler 300M

2002 Chrysler 300M

Overview

The 2002 Chrysler 300M, a front-wheel-drive sedan, was known for its distinctive styling and comfortable interior, aiming to blend American luxury with European handling. It was powered by a V6 engine and offered a refined driving experience for its time. While generally considered a solid vehicle, like any car of this age, it has specific areas that have shown more wear or potential for issues over the years. This analysis focuses on common mechanical and electrical points of concern reported by owners and technicians, excluding routine maintenance.

---

Engine

3.5L V6 (24-valve)

Intake Manifold Gasket Leaks

• Symptoms: Coolant leaks, overheating, sweet smell from engine bay, white smoke from exhaust.
• Solution: Replacement of the intake manifold gaskets.
• Cost: $400 - $700

Oil Cooler Line Leaks

• Symptoms: Oil leaks under the vehicle, low oil pressure warning, potential engine damage if not addressed.
• Solution: Replacement of the leaking oil cooler lines.
• Cost: $300 - $500

Transmission

4-Speed Automatic (42LE)

Harsh Shifting / Slipping

• Symptoms: Jerky gear changes, delayed engagement, slipping between gears, transmission warning light.
• Solution: Transmission fluid and filter change, solenoid replacement, or full transmission rebuild depending on severity.
• Cost: $500 - $2500

Suspension

Standard Chassis

Worn Ball Joints and Control Arm Bushings

• Symptoms: Clunking noises over bumps, poor handling, uneven tire wear, steering wander.
• Solution: Replacement of worn ball joints and control arm bushings.
• Cost: $400 - $800

Electrical

Body Control Module (BCM)

Intermittent Electrical Failures

• Symptoms: Malfunctioning power windows, locks, interior lights, dashboard warning lights, or instrument cluster issues.
• Solution: Diagnosis and potential reprogramming or replacement of the BCM.
• Cost: $500 - $1000

Alternator

Premature Failure

• Symptoms: Dimming headlights, battery warning light, difficulty starting, electrical components malfunctioning.
• Solution: Replacement of the alternator.
• Cost: $300 - $600

Exterior

Body Panels

Clear Coat Peeling

• Symptoms: Fading paint, peeling clear coat, especially on the roof and hood.
• Solution: Repainting affected areas.
• Cost: $500 - $2000+

Headlight Lenses

Clouding/Yellowing

• Symptoms: Reduced headlight visibility, aesthetic degradation.
• Solution: Headlight restoration kit or replacement of headlight assemblies.
• Cost: $50 - $300

Interior

HVAC System

Blend Door Actuator Failure

• Symptoms: Inability to control temperature (stuck on hot or cold), air only coming from certain vents.
• Solution: Replacement of the blend door actuator(s).
• Cost: $200 - $500

Seat Heaters

Non-functional

• Symptoms: Heated seats do not warm up.
• Solution: Repair or replacement of heating elements or wiring.
• Cost: $150 - $400

---

Summary Verdict

The 2002 Chrysler 300M is a capable vehicle with a few common areas of concern that owners should be aware of. The 3.5L V6 engine can experience intake manifold gasket and oil cooler line leaks, while the 4-speed automatic transmission may develop issues with harsh shifting. Suspension components like ball joints and bushings are also prone to wear. Electrically, the Body Control Module and alternator are potential failure points. Exterior paint and interior HVAC components are also noted for potential issues. Regular inspections and addressing these common problems proactively can help maintain the 300M’s reliability and enjoyment.