2012-2026 GAC Trumpchi Series: GS3, GS4, GS5, GS7, GS8 Service Manual & Circuit Diagrams | Wiring, Disassembly, Installation, Repair & Maintenance, ECU Location | Sensor Positions | Timing Belt / Timing Chain | Camshaft Sprocket | Crankshaft Sprocket | Cylinder Head | Cylinder Block | Cylinder Head Gasket | Intake Manifold | Exhaust Manifold | Throttle Body | Pistons | Main & Connecting Rod Bearings | Spark Plugs | Ignition Coils | Oil Pump | Shock Absorbers & Suspension | Steering Gear | Chassis | Interior | Instrument Panel | Door Panels | Sunroof | BMS | High-Voltage Battery | VCU | Motor Controller | Battery Pack | On-Board Charger | Air Conditioning Compressor | Fuse & Relay Diagrams | Pin Definitions | Harness Layout | Working Principles

The GAC Trumpchi GS series is a typical representative of domestic SUVs with a complex product lineup. Ranging from the early GS5 and GS7 to the best-selling GS4, and then to the second-generation GS8 Twin Engine hybrid, it has spawned numerous variants including the YingSpeed, PLUS, Coupe, EV and PHEV. For auto technicians, practical experience alone is far from enough to master this vehicle series.

The GS4 comes with gasoline, pure electric and plug-in hybrid powertrains simultaneously. The hybrid architecture of the second-generation GS8 Twin Engine is completely different from older models. With identical fault symptoms, different versions have vastly different root causes, detection methods and component parameters. Without manual guidance, troubleshooting chassis noise, powertrain warnings and body electrical faults will involve plenty of detours.

Especially for hybrid and electric versions, high-voltage system work has strict safety requirements. Blind operation based solely on experience is absolutely prohibited. The Auto Repair Helper Database integrates service manuals and circuit diagrams for the full GAC Trumpchi GS SUV lineup from 2012 to 2026, covering all model years and all power variants to provide technicians with complete technical references.

Database contents: Complete service manuals, full-vehicle circuit diagrams, wiring harness layout drawings and component pin definitions; engine overhaul parameters for timing chains, cylinder assemblies, intake and exhaust systems, pistons and bearings; inspection and repair of ignition and fuel supply systems; disassembly and maintenance for chassis suspension and steering gears; fuse and relay diagrams, sensor test data; interior removal tutorials for instrument panels, door panels and sunroofs; full three-electrical-system repair documents for the GS4 EV/PHEV and second-generation GS8 Twin Engine.

This database contains 20,000 sets of professional auto repair data and matches real vehicle configurations by VIN. AI intelligent search quickly retrieves repair chapters by entering fault symptoms. Hyperlink navigation is supported, allowing technicians to view drawings on mobile phones in the workshop without bulky paper manuals. It fully covers gasoline, plug-in hybrid and pure electric models, with continuous updates for new facelifts.

This set of resources is suitable for shops handling major overhauls, chassis refurbishment and hybrid fault troubleshooting, as well as auto repair apprentices and advanced technicians for systematic learning of hybrid technology on domestic SUVs. Standard OEM references help improve professional skills and make repair work safer and more efficient.

Covered Models

GAC Trumpchi GS3 Series

1. 2017 GAC Trumpchi GS3 Service Manual & Circuit Diagrams
2. 2019 GAC Trumpchi GS3 Service Manual & Circuit Diagrams
3. 2020-2021 GAC Trumpchi GS3 POWER Service Manual & Circuit Diagrams
4. 2022-2023 GAC Trumpchi GS3 YingSpeed Service Manual & Circuit Diagrams

GAC Trumpchi GS4 Series

1. 2015-2016 GAC Trumpchi GS4 Service Manual & Circuit Diagrams
2. 2016 GAC Trumpchi GS4 (6AT) Service Manual & Circuit Diagrams
3. 2017-2018 GAC Trumpchi GS4 Hybrid Service Manual & Circuit Diagrams
4. 2018 GAC Trumpchi GS4 EV Service Manual & Circuit Diagrams
5. 2018 GAC Trumpchi GS4 Service Manual & Circuit Diagrams
6. 2017-2020 GAC Trumpchi GS4 PHEV Service Manual & Circuit Diagrams
7. 2020 GAC Trumpchi GS4 Coupe Service Manual & Circuit Diagrams
8. 2021-2023 GAC Trumpchi GS4 PLUS Service Manual & Circuit Diagrams (Supplement)
9. 2022-2023 GAC Trumpchi GS4 Service Manual & Circuit Diagrams (Supplement)

GAC Trumpchi GS5 Series

1. 2012-2014 GAC Trumpchi GS5 Service Manual & Circuit Diagrams
2. 2014 GAC Trumpchi GS5 SUPER Service Manual & Circuit Diagrams
3. 2018-2020 GAC Trumpchi GS5 Service Manual & Circuit Diagrams

GAC Trumpchi GS7 Series

1. 2017 GAC Trumpchi GS7 Service Manual & Circuit Diagrams
2. 2019 GAC Trumpchi GS7 Supplement Version Service Manual & Circuit Diagrams

GAC Trumpchi GS8 Series

1. 2016-2018 GAC Trumpchi GS8 Service Manual & Circuit Diagrams
2. 2019-2021 GAC Trumpchi GS8 Supplement Version Service Manual & Circuit Diagrams
3. 2020 GAC Trumpchi GS8S Service Manual & Circuit Diagrams
4. 2022 GAC Trumpchi Second‑generation GS8 Gasoline Service Manual & Circuit Diagrams
5. 2022-2024 GAC Trumpchi Second‑generation GS8 Twin Engine Service Manual & Circuit Diagrams (Supplement)