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2018 Genesis G90 Service and Repair Manual
Regular price
$49.99 USD
Unit price
Covers all 2018 G90 trims — Premium Sedan 4-Door, Ultimate Sedan 4-Door ·
Digital manual — nothing ships
Matched to your exact vehicle
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Trusted by 14,000+ mechanics & DIYers
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Complete repair procedures
Wiring diagrams & schematics
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$49.99
2018 Genesis G90 Service and Repair Manual
Regular price
$49.99 USD
Unit price
The 2018 Genesis G90 Service and Repair Manual is a practical, workshop-ready reference for maintenance, diagnostics, and repairs. Use it to troubleshoot symptoms, follow step-by-step procedures, verify specifications, and confirm wiring and connector locations before replacing parts.
Ideal for technicians and DIY owners, it supports everything from routine service to deeper mechanical and electrical work—including drivability, no-start, warning lights, overheating, brake and suspension issues, HVAC faults, and circuit testing.
Trims covered
- Premium Sedan 4-Door
- Ultimate Sedan 4-Door
Engines covered
- 3.3L 3342CC V6 GAS DOHC Turbocharged
- 5.0L 5038CC V8 GAS DOHC Naturally Aspirated
What’s inside
- Body
- Brakes
- Chassis Electrical
- Driveline
- Engine Cooling
- Engine Electrical
- Engine Mechanical
- Engine Performance & Emission Controls
- Fuel System
- General Information & Identification
- Heating, Ventilation, & Air Conditioning
- Hybrid & Electric Vehicle Systems
- Steering
- Suspension
- Transmission, Clutch, & Transfer Case
- Wiring Diagrams
Why this manual matters
- Faster diagnostics with system-based troubleshooting and wiring diagrams
- Clear procedures and reference sections to reduce guesswork and rework
- Helpful for maintenance planning and verifying parts/specs before repairs
Hyundai Motor America (Hyundai) is recalling certain 2018 Genesis G80 and 2017-2018 Genesis G90 vehicles equipped with 3.3 liter turbocharged engines. The turbocharger oil supply pipe may have a loos
Consequence
Oil leaking onto the exhaust manifold increases the risk of a fire.
Remedy
Hyundai will notify owners, and dealers will replace the turbocharger oil supply pipe, free of charg
Hyundai Motor America (Hyundai) is recalling certain 2015-2016 Genesis, 2017-2019 Genesis G80, Genesis G90, and 2019 Genesis G70 vehicles. Water may enter the starter solenoid and cause an electrical
Consequence
An engine compartment fire while parked or driving can increase the risk of injury.
Remedy
Owners are advised to park outside and away from structures until the recall repair is complete. De
Hyundai Motor America (Hyundai) is recalling certain 2018-2020 Genesis G80, 2017-2022 G90, and 2019-2022 G70 vehicles equipped with a 3.3-liter V6 turbocharged engine. The left turbocharger oil feed
Consequence
An oil leak in the presence of hot engine components can increase the risk of an engine compartment
Remedy
Dealers will replace the left turbocharger oil feed pipe, free of charge. Owner notification letter
The National Highway Traffic Safety Administration (NHTSA) has identified the presence of substandard and dangerous drivers-side airbag inflators manufactured by Jilin Province Detiannuo Automobile Safety System Co., Ltd. (DTN). These infla
The National Highway Traffic Safety Administration (NHTSA) has issued an urgent safety advisory regarding dangerous, counterfeit driverside airbag inflators manufactured by Jilin Province Detiannuo Automobile Safety System Co., Ltd. (DTN),
This bulletin provides information regarding condensation related to the accumulated moisture in the headlamp, rear combination lamp, daytime running lamp (DRL), or fog lamp. This TSB illustrates the various causes of condensation inside th
Certain Genesis vehicles may experience an inoperable horn from moisture or carbonization at the contact point. This bulletin provides a guide to inspect and replace the horns.
Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Bluelink Service functions. This may be due to an irregular disconnection on Verizon's communication network. If you are experiencing issues with remot
Some vehicles may exhibit a loss of connectivity or interruptions in the middle of using Bluelink Service functions. This may be due to an irregular disconnection on Verizons communication network. Follow the procedure in this TSB to reesta
On certain 17-19MY G90 (HI) vehicles, the DIS2.0 head units may experience any of the following symptom(s): (1) Battery Drain, (2) Genesis Connected Services (GCS) Activation Issues, (3) Genesis Connected Services Remote Service Failures, (
This bulletin provides information to inspect and replace the front or rear wheel bearing hub assemblies for all Genesis vehicles. This procedure is applicable when noise (whirring, roaring, grinding, rumbling, etc.) is present which gets l
Showing the 8 most recent of 37 technical service bulletins on file with NHTSA.
On 01/16/22 at approximately 2305 hours, I was driving north on PA 743. I was traveling approximately 40 MPH in a posted 55 MPH zone due to snowy weather conditions. One adult was in the front passeng
On 01/16/22 at approximately 2305 hours, I was driving north on PA 743. I was traveling approximately 40 MPH in a posted 55 MPH zone due to snowy weather conditions. One adult was in the front passeng
On 01/16/22 at approximately 2305 hours, I was driving north on PA 743. I was traveling approximately 40 MPH in a posted 55 MPH zone due to snowy weather conditions. One adult was in the front passeng
ProContact GX-SSR CONT M 2754019 SL101H SL BSW
vehicle went dead. replaced the battery. Started after replacement but went dead a few days later. Towed to dublin CA genesis. Diagnosed as water corrosion to wiring harness. vehicle has less than 220
Showing the 5 most serious of 21 complaints filed with NHTSA.