2015 CHRYSLER 300

Typical onset: 60,000-120,000 mi

Symptoms: Harsh or delayed shifts, especially 2-3 and 3-4, Shuddering or vibration during light acceleration between 25-45 mph, Transmission going into limp mode, check engine light with TCM codes, Metallic debris in fluid during service, indicating internal clutch pack wear

Fix: Early cases may respond to adaptive reset and fluid flush (2 hours), but most need internal overhaul or replacement. Transmission R&R is 8-10 hours, rebuild adds another 12-16 hours. Cooler lines and cooler itself often replaced simultaneously due to contamination. TCM update sometimes required.

Estimated cost: $3,500-6,500

Typical onset: 70,000-130,000 mi

Symptoms: Ticking or tapping noise from valve train, especially cold start, MDS (cylinder deactivation) misfires or rough idle, Check engine light with multiple misfire codes, Metal shavings in oil, loss of oil pressure in severe cases

Fix: Requires camshaft replacement with updated lifters and rocker arms. Engine disassembly is substantial: intake manifold, valve covers, cylinder heads often need to come off. 16-20 hours labor. Oil system flush mandatory. Some engines show premature cam lobe wear due to inadequate oiling during MDS cycling.

Estimated cost: $4,000-7,000

Typical onset: 50,000-90,000 mi

Symptoms: Transmission fluid spots under vehicle, typically passenger side near radiator, Low transmission fluid warnings or slipping when fluid gets critically low, Visible corrosion or wetness on cooler hard lines or rubber hoses at crimp points

Fix: Rubber hose sections dry-rot and crack, hard lines corrode at bends. Replace full cooler line assembly, not just sections. 2-3 hours labor including fluid refill and system purge. Often discovered during routine service before catastrophic failure.

Estimated cost: $400-800

Typical onset: 60,000-100,000 mi

Symptoms: Clunking or knocking over bumps, especially when turning, Steering feels notchy or catches when turning from stop, Visible rust staining or separation at strut tower, Uneven tire wear on front edges

Fix: Upper strut mounts and bearings wear prematurely due to weight and northern salt exposure. Replace mounts in pairs with struts if struts are original (recommended at this mileage). 3-4 hours labor for mounts only, 4-5 hours with struts. Alignment required afterward.

Estimated cost: $600-1,200

Symptoms: Screen freezes, won't respond to touch input, Radio reboots randomly while driving, Backup camera intermittent or black screen, Total loss of audio system, HVAC controls unresponsive on touchscreen models

Fix: Early 2015 models have software bugs and failing capacitors in radio head unit. TSB updates available but don't always solve it. Replacement radio unit required in most cases. 1.5-2 hours labor for R&R and coding. Used units from salvage often fail similarly, remanufactured units more reliable.

Estimated cost: $800-1,500

Typical onset: 80,000-120,000 mi

Symptoms: Coolant leak from front of engine, passenger side low, Whining or grinding noise from accessory drive area, Overheating, temperature gauge climbing above normal, Visible coolant weepage at water pump weep hole

Fix: Pentastar water pump is internally mounted, driven by timing chain. Requires timing cover removal, special tools. 6-8 hours labor. Replace thermostat and hoses at same time. Coolant contamination can damage pump bearing. Not a quick roadside fix—tow required if it fails.

Estimated cost: $1,200-1,800