Hyundai Elantra (CN7): Cylinder Head Assembly / Vacuum Pump

Hyundai Elantra (CN7) 2021-2026 Service Manual / Engine Mechanical System / Cylinder Head Assembly / Vacuum Pump

Repair procedures

Removal
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).

5.
Disconnect the fuel hose (A) and PCSV hose (B).

6.
Remove the main wiring protector (A) after disconnecting the connector (B).

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)

   
•
Insert the hose until it reaches the end of stopper.
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)

   
•
Insert the hose until it reaches the end of stopper.
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)

10.
Install in the reverse order of removal.

    Repair procedures Removal    â€¢ 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:

    Hyundai Elantra (CN7) 2021-2026 Service Manual: Special service tools

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    Hyundai Elantra (CN7) 2021-2026 Service Manual: Repair procedures

    Refrigerant System Service Basics (R-134a)Refrigerant Recovery Use only service equipment that is U.L-listed and is certified to meet the requirements of SAE J2210 to remove HFC-134a(R-134a) from the air conditioning system.    â€¢ Air conditioning refrigerant or lubricant vapor can irritate your eyes, nose, or

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