Hyundai Elantra: Cylinder Head Assembly / Vacuum Pump
Repair procedures
1. | Disconnect the battery negative terminal. |
2. | Remove the air duct and air cleaner assembly. (Refer to Intake and Exhaust System - "Air Cleaner") |
3. | Remove the battery and battery tray. (Refer to Engine Electrical System - "Battery") |
4. | Disconnect the brake vacuum hose (A). 
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5. | Disconnect the fuel hose (A) and PCSV hose (B). 
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6. | Remove the main wiring protector (A) after disconnecting the connector (B). 
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7. | Disconnect the intercooler inlet hose (A). Tightening torque : Clamp bolt : 4.9 - 6.9 N.m (0.5 - 0.7 kgf.m, 3.6 - 5.1 lb-ft) |

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| Insert the hose until it reaches the end of stopper. |
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8. | Remove the intercooler pipe (A). Tightening torque : Mounting bolt : 18.6 - 23.5 N.m (1.9 - 2.4 kgf.m, 13.7 - 17.4 lb-ft) Clamp bolt : 4.9 - 6.9 N.m (0.5 - 0.7 kgf.m, 3.6 - 5.1 lb-ft) |

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| Insert the hose until it reaches the end of stopper. |
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9. | Remove the vaccum pump (A). Tightening torque : 18.6 - 23.5 N.m (1.9 - 2.4 kgf.m, 13.7 - 17.4 lb-ft) |

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10. | Install in the reverse order of removal. |
Repair procedures
Removal
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Use Fender cover to avoid damaging painted surfaces.•
To avoid damaging the cylinder head, wait until the engine coolant temperature drops below normal temperature before removing it...
Other information:
This indicator light illuminates for up to
30 seconds:
When the vehicle detects the smart key
in the vehicle with the Engine Start/Stop
button in the ACC or ON position.
-- Once the smart key is detected, you
can start the engine.
-- The indicator light goes off after
starting the engine.
This indicator light blinks for a few seconds:
When the smart key is not in the vehicle.
-- If the sma..
Repair procedures
Removal
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In case of removing the high pressure fuel pump, high pressure fuel pipe, delivery pipe, and injector, there may be injury caused by leakage of the high pressure fuel. So don't do any repair work right after engine stops.1.Release the residual pressure in fuel line.(Refer to Fuel Delivery System - "Release Residual Pressure ..