AI-generated · grounded in NHTSA data

Reliability & 5-year cost of ownership — 2004 Thor California Jazz

Overall rating NHTSA-grounded

Below average

Estimated 5-year repair + maintenance cost: $1,800–$3,000

The 2004 Thor California JAZZ has stability issues due to overloading risks and improper furnace exhaust installation, posing safety hazards. These concerns affect its overall reliability.

Most-common failures

Part Typical mileage Cost range Frequency
furnace exhaustN/A$200–$500common
trailer structureN/A$300–$1,000occasional

Scheduled maintenance to budget

Routine items every owner should plan for.

  • Inspect furnace vent annually
  • Check tire condition and pressure regularly
  • Lubricate trailer hitch yearly
  • Inspect structure for damage
  • Check plumbing systems annually

Warning signs to watch for

Symptoms that signal a major upcoming repair.

  • Unstable towing experience
  • Fumes or gas odors
  • Loose or damaged structure components

Generated by gpt-4o on 8/18/2026. Cost ranges are conservative estimates that account for typical regional variation.