| Removal and Installation | 
| 1. | Remove the drive belt. (Refer to Timing System - "Dreve Belt") | 
| 2. | Remove the idler (A). 
 
 | 
| 3. | Install in the reverse order of removal.  | 
 Idler Components and Components Location
Idler Components and Components Location Drive Belt Tensioner Components and Components Location
Drive Belt Tensioner Components and Components LocationHyundai Sonata LF 2014-2019 Owners Manual: Malfunction Indicator Lamp (MIL)
   
This warning light illuminates:
	Once you set the ignition switch or Engine Start/Stop button to the ON position.
	- It remains on until the engine is started.
	When there is a malfunction with the emission control system. In this case, 
	have your vehicle inspected by an authorized HYUNDAI dealer ...
   
Hyundai Sonata LF 2014-2019 Service Manual: Special Service Tools
   Special Service Tools
Tool(Number and Name)IllustrationUseDeployment tool0957A-34100AAirbag deployment tool.Deployment adapter0957A-3Q100Use with deployment tool.(DAB, PAB, EFD, BPT, CAB)Deployment adapter0957A-3F100Use with deployment tool.(SAB, KAB)Dummy0957A-38200Simulator to check the resis ...