80 Series
Quick overview, common issues, and what owners typically replace first. Years: 1990–1997 (US market).
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Highlights
- Legendary solid-axle platform with strong community support.
- Axle service and front end refresh are common maintenance milestones.
- Perfect series for detailed ‘common problems’ guides and part bundles.
Common issues
- Front axle/knuckle service: seals, bearings, wipers, grease.
- Suspension bushings/shocks and steering components wear with mileage.
- Brake wear and caliper performance issues on high-mileage trucks.
- Cooling system maintenance to prevent overheating and head gasket risk.
What to replace first
Start with safety and reliability: brakes, steering, suspension wear items, cooling hoses, belts, and any fluid leaks. After that, address known model-specific weak points.
Recommended parts (shop links)
These links take you to our store search results. Filter by your series/year and verify fitment before ordering.
Recommended next clicks
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Tip: On this page, add affiliate links to your favorite “baseline” maintenance parts (filters, hoses, pads, bearings) once you pick partners.