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2008 CHRYSLER 300

3.5L V6•RWD•AUTOMATIC•gas
5-Year Cost of Ownership
$12,669 maintenance + known platform issues
~$2,534/yr · 210¢/mile equivalent · $5,159 maintenance + $6,810 expected platform issues
Compare this engine
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3.6L V6
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5.7L V8 HEMI
vs
3.6L V6 Pentastar
Common Problems & Known Issues

The 2008 Chrysler 300 rides on the proven LX platform but suffers from chronic transmission cooler failures, weak 2.7L V6 engine internals, and ignition system headaches. The HEMI V8s are generally solid, but all variants share electrical gremlins and front suspension wear.

Transmission Oil Cooler Internal Failure (NAG1 5-speed auto)

Common · high severity
Typical onset: 80,000-140,000 mi
Symptoms: Milky pink transmission fluid, Coolant in transmission pan, Transmission slipping or harsh shifts, Overheating transmission, Engine running rough from coolant contamination
Fix: The cooler is integrated into the radiator and fails internally, cross-contaminating coolant and ATF. Requires new radiator, complete transmission fluid flush (often multiple cycles), external filter, and possibly transmission rebuild if caught late. 6-10 hours labor depending on damage extent.
Estimated cost: $1,200-$4,500

2.7L V6 Engine Sludge and Bearing Failure

Common · high severity
Typical onset: 90,000-150,000 mi
Symptoms: Ticking or knocking from engine at startup, Low oil pressure warning, Metal shavings in oil, Seized engine in severe cases, Oil consumption between changes
Fix: The 2.7L has inadequate oiling to the timing chain area and weak main bearings. Sludge buildup accelerates wear. Most need short block replacement or full engine rebuild. Used engine swap is common. 18-24 hours labor for R&R plus machining if rebuilding.
Estimated cost: $3,500-$6,500

TIPM (Totally Integrated Power Module) Failure

Common · medium severity
Symptoms: Intermittent no-start, Fuel pump not priming, Gauges dead or erratic, Wipers or accessories operating on their own, Multiple seemingly unrelated electrical issues
Fix: The TIPM controls most electrical functions and develops internal relay failures or corrosion. Chrysler updated designs multiple times. Replacement requires programming. Some shops attempt relay-level repairs but replacement is most reliable. 2-3 hours labor.
Estimated cost: $800-$1,400

Front Lower Control Arm Bushings and Ball Joints

Common · medium severity
Typical onset: 60,000-100,000 mi
Symptoms: Clunking over bumps, Wandering steering, Excessive tire wear on inside edges, Vibration during braking, Popping noise when turning
Fix: The front suspension uses pressed-in bushings that deteriorate quickly. Ball joints often fail at same time. Most replace entire control arms rather than pressing bushings. Both sides should be done together. 3-4 hours labor plus alignment.
Estimated cost: $600-$1,000

Ignition Lock Cylinder and WIN (Wireless Ignition Node) Failure

Occasional · high severity
Typical onset: 100,000-160,000 mi
Symptoms: Key won't turn in ignition, No-start with correct key, Security light flashing, Intermittent crank/no-start, Key stuck in ignition
Fix: The lock cylinder wears and the WIN module (reads the key chip) fails. Subject to recall but many outside recall VINs. Requires new lock cylinder, WIN module, and reprogramming all keys. Dealer or locksmith with proper tools. 2-3 hours labor.
Estimated cost: $400-$900

Fuel Pump and Fuel Filter Clogging

Occasional · medium severity
Typical onset: 80,000-130,000 mi
Symptoms: Hard starting when hot, Stalling during acceleration, Loss of power under load, Whining noise from rear tank area, Check engine light with lean codes
Fix: The in-tank fuel pump strainer clogs and pump motor weakens. Fuel filter (when equipped separately on some models) also clogs. Requires dropping tank for access. 2.5-4 hours labor depending on whether full pump assembly or just strainer is replaced.
Estimated cost: $500-$900
Owner tips
  • If buying a 2.7L V6, insist on oil analysis and borescope inspection — walk away if any sludge is visible
  • Change transmission fluid every 50,000 miles regardless of 'lifetime fill' claims, and inspect cooler lines for pink residue annually
  • Budget for TIPM replacement on any high-mileage example — it's when, not if
  • The 3.5L V6 and 5.7L HEMI are far more durable than the 2.7L; SRT8 6.1L requires premium fuel and expert maintenance
  • Replace front suspension components in pairs and always get a four-wheel alignment afterward
Avoid the 2.7L V6 entirely; a well-maintained HEMI model under 100k miles can be a decent buy if you budget $2k/year for the inevitable TIPM, cooler, and suspension work.
AI-assisted summary drawn from NHTSA recall data, our labor-times database, and platform knowledge. Not a substitute for a pre-purchase inspection on a specific vehicle.
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