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2006 CHRYSLER 300

2.7L V6•RWD•AUTOMATIC•gas
5-Year Cost of Ownership
$30,225 maintenance + known platform issues
~$6,045/yr · 500¢/mile equivalent · $5,159 maintenance + $7,866 expected platform issues
Compare this engine
vs
3.6L V6
vs
5.7L V8 HEMI
vs
3.6L V6 Pentastar
Common Problems & Known Issues

The 2006 Chrysler 300 is a comfortable highway cruiser with serious powertrain weaknesses, particularly the 2.7L V6 and NAG1 transmission. The HEMI V8 models are more reliable but not immune to cooling system and electrical gremlins.

2.7L V6 Engine Sludge and Catastrophic Failure

Common · high severity
Typical onset: 80,000-130,000 mi
Symptoms: Engine knocking or ticking, Low oil pressure warning, Overheating, Coolant mixing with oil (milky dipstick), Sudden loss of power
Fix: The 2.7L is notorious for oil sludge buildup that clogs passages and starves bearings. Water pump leaks into timing cover cause coolant contamination. By the time symptoms show, it's usually terminal—requires short block or complete engine replacement. 12-18 labor hours for R&R plus machine work if heads are salvageable.
Estimated cost: $3,500-6,500

NAG1 Transmission Output Shaft Bearing Failure

Common · high severity
Typical onset: 70,000-110,000 mi
Symptoms: Grinding or whining noise in all gears, Metal shavings in trans fluid, Transmission overheating, Loss of power transfer, Check engine light with speed sensor codes
Fix: The output shaft bearing disintegrates, sending metal through the transmission and often requiring complete rebuild or replacement. Transmission must come out (8-10 hours), and internal damage is usually extensive by diagnosis time. Cooler lines fail separately and starve trans of fluid.
Estimated cost: $2,800-4,200

TIPM (Totally Integrated Power Module) Failure

Occasional · high severity
Symptoms: Fuel pump not priming (no start), Wipers running continuously, Windows or locks working intermittently, Horn honking randomly, ABS/ESP lights with no codes
Fix: The TIPM controls nearly every electrical function and fails due to corrosion on internal circuits or relay burnout. No repair—requires replacement module and programming. 2-3 hours labor but programming requires dealer-level scan tool access.
Estimated cost: $800-1,400

Front Lower Control Arm Ball Joint Separation

Common · high severity
Typical onset: 60,000-100,000 mi
Symptoms: Clunking over bumps, Wandering steering, Uneven tire wear on inside edge, Wheel visibly loose when jacked up, Severe pulling to one side
Fix: Ball joints are pressed into control arms and fail due to weak boot design allowing contamination. Not serviceable separately—requires full control arm replacement both sides. 3-4 hours labor, must do alignment after.
Estimated cost: $600-1,000

3.5L V6 Head Gasket Failure

Occasional · high severity
Typical onset: 90,000-140,000 mi
Symptoms: White smoke from exhaust, Coolant loss with no visible leaks, Overheating under load, Rough idle when cold, Bubbles in coolant reservoir
Fix: Head gaskets fail between cylinders or into coolant jackets. Requires heads off, machining inspection, and full timing component replacement while apart. 14-18 labor hours, often reveals warped heads requiring additional machine work.
Estimated cost: $2,200-3,800

Front Sway Bar Link and Bushing Failure

Common · low severity
Typical onset: 50,000-90,000 mi
Symptoms: Clunking over small bumps, Rattling during turns, Noise worse when cold, Body roll feels excessive
Fix: Links and frame bushings wear quickly due to poor bushing material and road salt exposure. Simple bolt-on replacement, 1.5-2 hours labor for both sides. Preventive replacement recommended at first noise.
Estimated cost: $250-450

Evaporative Emissions System Leaks

Occasional · low severity
Typical onset: 70,000-120,000 mi
Symptoms: Check engine light with P0455/P0456 codes, Fuel smell near rear of vehicle, Failed emissions test, Difficulty filling gas tank (clicks off early)
Fix: Vent valve, purge valve, or canister leaks are common. Tank filler neck seal also deteriorates. Requires smoke test to pinpoint leak (0.5 hours diagnostic), then 1-3 hours repair depending on component. Tank drop needed for some repairs.
Estimated cost: $200-700
Owner tips
  • If buying a 2.7L V6 model, budget for engine replacement or walk away—it's when not if
  • Change transmission fluid every 30,000 miles regardless of 'lifetime fill' claims, and inspect cooler lines for seepage
  • Keep TIPM dry—check for water intrusion in passenger footwell and fix leaks immediately
  • Inspect lower ball joints every oil change after 50K miles; early replacement prevents dangerous failure
  • HEMI models are significantly more reliable but still need cooling system preventive maintenance every 60K
Buy a HEMI V8 model with documented maintenance or avoid entirely—the V6 engines and transmission are ticking time bombs that will cost more than the car's value to fix.
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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