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:
SpecificationsFuel Delivery System
Items
Specification
Fuel TankCapacity [L (U.S.gal., U.S.qt., lmp.qt.)]47 (12.4, 49.6, 41.3)Fuel FilterTypePaper typeFuel PressureLow Pressure Fuel Line [kPa (kgf/cm², psi)]353.0 - 500.1 (3.6 - 5.1, 51.2 - 72.5)High Pressure Fuel Line [MPa (kgf/cm², psi)]2.0 - 35 (20.4 - 357.0, 290 - 5077)Fuel PumpType..
Function malfunction
After starting the engine, a beep will
sound when the gear is shifted to R
(Reverse) to indicate the system is
operating normally.
However, if one or more of the following
occurs, first check whether the ultrasonic
sensor is damaged or whether the
system is in a non operating condition.
If it still does not work properly,
we recommend that the system be
inspected by a..