2001 DODGE NEON

Typical onset: 60,000-100,000 mi

Symptoms: White smoke from exhaust on startup, Coolant loss with no visible leaks, Overheating under load, Oil milkshake (chocolate milk appearance) on dipstick, Misfires and rough idle as gasket deteriorates

Fix: Head gasket job requires removing head, resurfacing ($80-120 at machine shop), new gasket set, timing belt while you're in there. Budget 8-12 hours labor. DOHC heads crack if overheated once, so inspect carefully—cracked head adds $400-800 for replacement core. Many owners find engine is already damaged by coolant intrusion into cylinders.

Estimated cost: $1,200-2,200

Typical onset: 80,000-140,000 mi

Symptoms: Pink ATF dripping from radiator area, Transmission slipping or delayed engagement after fluid loss, Coolant in transmission (strawberry milkshake in trans pan), Transmission overheating, Complete trans failure if coolant cross-contaminates

Fix: The cooler lines rust through where they connect to radiator. If caught early, $200 in lines plus flush. If coolant mixed into trans, it's game over—trans needs full rebuild or replacement because coolant destroys clutch packs and solenoids. Flush alone won't save it. Trans R&R is 6-8 hours, rebuilt unit runs $1,200-1,800.

Estimated cost: $200-2,500

Typical onset: 100,000-150,000 mi

Symptoms: Loud knocking from bottom end that increases with RPM, Metallic rattling on cold start that doesn't go away, Oil pressure warning light flickering or staying on, Metal shavings in oil during change, Sudden catastrophic failure—rod punches through block

Fix: These 2.0L engines have marginal oiling to the rod bearings, especially cylinder #2. Owners who skip oil changes or run cheap oil accelerate wear. Once knocking starts, it's rebuild or replace territory. Used engine swap is 10-14 hours, junkyard motor $400-800. Full rebuild with machine work is 20+ hours, $2,500-4,000 all-in. Most aren't worth saving at this point.

Estimated cost: $1,800-4,000

Typical onset: 70,000-120,000 mi

Symptoms: Clunking over bumps from front end, Steering feels loose or vague, Visible rust perforation around strut towers (salt belt cars), Strut top poking through sheet metal in extreme cases, Uneven tire wear on inside edges

Fix: Strut mounts wear out every 70-90k, that's $300-500 for parts and 3-4 hours. The real problem is the strut towers rust from inside-out on northern cars. If towers are compromised, you're into welding repairs ($500-1,000) or the car is done. Always inspect towers before replacing struts—throwing parts at a rotted tower is wasted money.

Estimated cost: $300-1,500

Typical onset: 60,000-90,000 mi

Symptoms: Clunking when turning or over bumps, Steering wander and poor alignment retention, Visible rubber boot torn on ball joint, Excessive play when prying on suspension components, Tire cupping or feathering wear

Fix: Ball joints are pressed into control arms—most techs replace the whole arm (aftermarket around $80-120 each side). Both lower arms plus alignment is 3-4 hours. Budget for both sides at once because if one's shot, the other is right behind it. OE parts last longer but cost double.

Estimated cost: $400-700

Typical onset: 90,000-110,000 mi

Symptoms: Squealing or grinding from timing cover area, Coolant seeping from water pump weep hole, Engine overheating, Rough idle or misfires if belt jumps time, Catastrophic valve damage if belt breaks (interference engine)

Fix: Timing belt is due every 105k. The DOHC is an interference engine—belt failure bends valves, $1,500-2,500 repair. Always do water pump, tensioner, and idler with belt ($400 in parts, 4-6 hours labor). Techs who skip the pump regret it when it fails 20k later and you're paying labor twice.

Estimated cost: $600-1,000