1997 Hyundai Sonata NF G4KC / GSL 2.4 Service Manual

This 58-file, 4,209-page PDF collection brings together Hyundai Sonata shop-manual sections for the 1997/1998 coverage, the EF-era volume dated March 1998, and the NF volume dated September 2004, plus separate EF and NF Body Repair Manuals. Hyundai states that the shop manuals were written for authorized-dealer service technicians; the set is therefore suited to professional repair work and experienced owners with appropriate scan tools, measuring equipment, lifting gear, and system-specific safety knowledge.

Page breakdown: 1997 shop sections, 1,097 pages; 1999/EF shop sections, 946 pages; NF shop sections, 1,908 pages; EF Body Repair Manual, 129 pages; NF Body Repair Manual, 129 pages.

• Engine repair material spans the 1997 1.8/2.0 SOHC, 2.0 DOHC, and 3.0 V6 layouts; the EF 2.0 DOHC and 2.5 V6; and the NF G4KC 2.4. Factory procedures cover engine/transaxle removal, timing-belt or timing-system work, cylinder heads and valves, oil pumps and balance shafts, pistons, crankshafts, blocks, and cooling-system bleeding.
• Transmission coverage separates the KM206/KM210 manuals and KM175-5, KM175-6, and F4A33 automatics from the later F4A42-1/F4A42-2 and NF M5GF2/F4A42-2 units. The sections provide road tests, DTC and symptom diagnosis, hydraulic pressure testing, solenoid and control-circuit checks, removal, internal disassembly and reassembly, clutch/brake-pack inspection, end-play adjustment, valve-body service, and differential work.
• Brake chapters progress from conventional hydraulic brakes and the 1997 ABSCM/modulator system to EF ABS/TCS/EBD and NF ABS/EBD/ESP. Coverage includes bleeding, wheel-speed-sensor diagnosis, HECU terminal checks, Hi-Scan testing, DTC charts, and the NF yaw-rate, lateral-G, and steering-angle sensors.
• Fuel, emissions, and electrical sections document MFI diagnosis, fuel-pressure testing, sensor and actuator checks, starting and charging systems, cruise control, and engine-specific circuit testing. The NF material adds electronic throttle and CVVT control, ECM connector data, freeze-frame/DTC workflows, ETACS/body-control functions, keyless-entry registration, and power-accessory troubleshooting.
• Chassis and cabin procedures cover clutch hydraulics, driveshafts and axles, front and rear suspension, steering gear and power steering, SRS diagnosis and component handling, plus refrigerant leak testing, compressor service, manual/automatic HVAC controls, and climate-control self-diagnosis.
• Collision-repair manuals detail body construction, high-strength and galvanized panels, datum measurements, approved structural sectioning, welded panel replacement, sealing locations, underbody coatings, cavity wax, and corrosion-protection restoration for EF and NF bodies.

Match the Drivetrain Before Starting Repair

The 1997 identification pages cover VIN year codes for 1997 and 1998, with 1.8- and 2.0-liter four-cylinder engines and the 3.0-liter V6; transmission IDs distinguish KM206, KM210, KM175-5, KM175-6, and F4A33. In the EF material, the VIN key spans 1998-2001, while the included engine chapters are specifically 2.0 DOHC and 2.5 V6. Its F4A42 chapter separates F4A42-1 for the 2.0-liter application from F4A42-2 for 2.4- and 2.5-liter applications. The NF volume centers on the G4KC gasoline 2.4, M5GF2 manual transaxle, and F4A42-2 automatic; its VIN key covers 2004-2006, while the transaxle identification table extends through 2007.

Diagrams, Test Data, and Factory Tooling

Illustrated references include the three-part 1997 ABS schematic, automatic-transaxle hydraulic circuits and F4A42 section views, engine-specific fuel-system circuit diagrams, NF ECM connector/terminal diagrams, NF ABS/ESP circuit diagrams, and EF/NF body-measurement and panel-section views. Specification sections supply component torque tables, fluid and lubricant data, service limits, clearances, hydraulic test specifications, and electrical test values.

Named equipment includes Hi-Scan 09900-11000 with DLC cables 09900-21100/09900-21200, SRS harness checker 0957A-29000, deployment tool 0957A-34100, F4A42 spring compressor 09453-24000, and oil-pump remover 09452-33100.

Important Scope and Repair Cautions

This is a multi-generation collection, not one 1997 F4A42/ABS publication. The separate Electrical Troubleshooting Manuals referenced by the indexes are not included; the NF cover identifies its companion ETM as Pub. No. A3KE-EG40A. The 1997 folder also does not contain the Volume 2 Engine Electrical, Body Electrical, or air-conditioning groups named on its contents page.

The F4A42 overhaul section warns that its oil pump is not serviceable; disturbing and misaligning it can cause pump failure and further transaxle damage. It also distinguishes the A/T filter from a similar-looking engine-oil filter because installing the wrong filter can damage the transmission. Brake/ABS, SRS, refrigerant, lifting, and structural repair work must follow the manual's system-specific safety precautions and should be performed only with suitable shop equipment and training.