Description
Hyundai’s lineup ranges from economy sedans to luxury-adjacent crossovers, with platform and powertrain configurations that differ significantly across model years. Service data is specific to the configuration you’re working on — not a generalized Hyundai procedure.
The 1990 Hyundai Sonata Base — Base trim, 3.0L V6 GAS FI engine — has its own OEM-Authorized documentation set. Jayda pulls it from Hyundai’s source: component locations, diagnostic procedures, wiring schematics, labor times, fluid specifications, OEM part numbers, torque specs, TSBs, and recall information specific to this configuration.
The right spec. From Hyundai’s source.

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