1964 PLYMOUTH BELVEDERE

Typical onset: 80,000-120,000 mi

Symptoms: Rattling from front of engine on cold startup that diminishes when warm, Poor idle quality and hesitation under acceleration, Backfiring through carburetor, Engine won't start or starts then dies immediately (severe cases)

Fix: Replace timing chain, gears, and tensioner. Requires front cover removal. On V8s, 4-6 hours labor depending on accessories and power steering. Slant-six slightly easier at 3-5 hours. Critical: these engines use nylon-coated cam gears that deteriorate with age regardless of mileage—inspect even on low-mile survivors.

Estimated cost: $450-900

Symptoms: Severe sagging on one or both front corners, Clunking sound from front suspension over bumps, Uneven ride height side-to-side, Visible rust perforation on lower control arm anchors

Fix: The torsion bar anchor points in the lower control arms and crossmember rust through on cars from salt states. Requires welding in reinforcement plates or replacing the entire K-member and control arms. Can range from 6-8 hours for patch repairs to 12-16 hours for full replacement with alignment. Many cars have had substandard repairs that fail again.

Estimated cost: $800-2,500

Symptoms: Push buttons require excessive force or won't engage, Transmission stuck in one gear, Buttons depress but transmission doesn't shift, Cable visible under dash has frayed or kinked housing

Fix: The push-button shift mechanism uses cables that corrode internally and bind. Cable replacement requires 2-3 hours and NOS or reproduction parts that aren't always perfect fit. Original cables are superior but unobtanium. Sometimes the problem is in the transmission valve body end—requires trans pan removal to inspect. Proper cable routing and adjustment critical or you'll chase phantom shift issues.

Estimated cost: $350-650

Symptoms: Fuel gauge reads empty, full, or erratically regardless of actual level, Engine stalls or sputters when tank below half-full, Difficulty starting after sitting, Visible rust flakes in fuel filter

Fix: Original steel tanks rust from inside out, contaminating fuel system and destroying sending units. Tank removal 2-3 hours, then either professional cleaning/sealing ($200-400 outsourced) or replacement with reproduction tank. Sending units fail electrically from corrosion even when tank looks okay externally. Always replace fuel filter and inspect lines when addressing this.

Estimated cost: $400-900

Symptoms: Stumble or bog on acceleration from idle, Black smoke puff on throttle application, Raw fuel smell from engine bay, Visible fuel weeping from pump cover area

Fix: Carter carbs used on most V8 models have rubber accelerator pump diaphragms that harden and crack with age, especially on stored vehicles. Rebuild takes 2-3 hours for competent carb work including removal, disassembly, parts replacement, and readjustment. Modern ethanol fuel accelerates deterioration. Full rebuild kits run $40-80 but installation labor varies wildly based on tech carburetor experience.

Estimated cost: $200-450

Symptoms: Grinding noise during braking, Significantly increased stopping distances, Brake pedal travels to floor under hard braking, Pulsation or shuddering when braking

Fix: Original riveted brake shoes wear down until rivets contact drums, destroying both. Most cars still have single-cylinder front brakes—marginal by modern standards. Full four-wheel brake job with drums turned (if salvageable) or replaced, all shoes, hardware, wheel cylinders, and master cylinder inspection takes 4-6 hours. These cars need properly adjusted and bled brakes to stop safely—no power assist on most.

Estimated cost: $600-1,200

Symptoms: Visible daylight through floor from underneath, Wet carpets after rain with no obvious leak source, Soft or spongy feeling when standing on floor, Bubbling or cracking paint on trunk floor

Fix: B-body Mopars trap moisture in rocker panels, floors, and trunk gutters. Rear floor pans behind seats and trunk floors around spare tire well rot first. Proper repair requires cutting out rust and welding in patch panels or full pan replacements. Budget 8-16 hours depending on extent—many cars have multiple areas requiring attention. Rockers often look solid externally but are gone inside. This is a deal-breaker on rough cars.

Estimated cost: $1,200-3,500