Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCADILLAC2013CTS COUPE RWD V8-6.2L SCREPAIR AND DIAGNOSISTRANSMISSION AND DRIVETRAINAUTOMATIC TRANSMISSION/TRANSAXLESERVICE AND REPAIRREMOVAL AND REPLACEMENTVENT HOSE REPLACEMENT (ALL WHEEL DRIVE)
2013 Cadillac CTS Coupe RWD V8-6.2L SC
Vent Hose Replacement (All Wheel Drive)
2013 Cadillac CTS Coupe RWD V8-6.2L SCSECTION Vent Hose Replacement (All Wheel Drive)
Vent Hose Replacement (All Wheel Drive)
Removal Procedure
1. Remove the air inlet housing front panel to gain access to the vent hose upper retainer. Refer to Air Inlet Grille Panel Replacement Air Inlet Grille Panel Replacement.
2. Remove the vent hose from the retainer (3) located on the rear of the right cylinder head.
3. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle Service and Repair.
4. Remove the vent hose from the retainers (4) located on the transmission mount assembly.
5. Support the transmission with a suitable jack.
6. Remove the transmission mount assembly. Refer to Transmission Mount Replacement (Except AWD and CTS-V) Transmission Mount Replacement (Except AWD and CTS-V)Transmission Mount Replacement (Automatic AWD) Transmission Mount Replacement (Automatic AWD)Transmission Mount Replacement (CTS-V) Transmission Mount Replacement (CTS-V).
7. Cut the tie straps (1) that secure the vent hose to the transmission wiring harness.
8. Lower the transmission and remove the vent hose from the vent tube (2).
9. Remove the vent hose assembly from the vehicle.
Installation Procedure
1. Install the vent hose assembly to the vehicle.
2. Connect the vent hose to the vent tube (2).
3. Raise the transmission to the installed position.
4. Install new tie straps (1) to secure the vent hose to the transmission wiring harness. Do not collapse the vent hose while tightening the tie straps.
5. Install the transmission mount assembly. Refer to Transmission Mount Replacement (Except AWD and CTS-V) Transmission Mount Replacement (Except AWD and CTS-V)Transmission Mount Replacement (Automatic AWD) Transmission Mount Replacement (Automatic AWD)Transmission Mount Replacement (CTS-V) Transmission Mount Replacement (CTS-V).
6. Remove the jack.
7. Install the vent hose to the retainers (4) located on the mount assembly.
8. Lower the vehicle.
9. Install the vent hose to the retainer (3) located on the rear of the right cylinder head.
10. Install the air inlet housing front panel. Refer to Air Inlet Grille Panel Replacement Air Inlet Grille Panel Replacement.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.