Low-Pressure Flexible Hose and Muffler Pipe

Removal and Installation for Low-pressure Flexible Hose and Muffler Pipe

NOTE: The QR25DE models are equipped with a two piece low-pressure flexible hose and muffler pipe. The MR20DE models are a one piece low-pressure flexible hose and muffler assembly.

REMOVAL
1. Discharge the refrigerant. Refer to "HFC-134a (R-134a) Service Procedure".
2. Reposition the lower dash insulator.
3. Remove the low-pressure flexible hose (with muffler on MR20DE) and muffler pipe (QR25DE). Refer to "Components".

CAUTION: Cap or wrap the joint of the hose with a suitable material such as vinyl tape to avoid the entry of contaminants.

4. Separate the low-pressure flexible hose and muffler pipe as necessary (QR25DE only). Refer to "Components".

CAUTION: Cap or wrap the joint of the hose with a suitable material such as vinyl tape to avoid the entry of contaminants.

INSTALLATION
Installation is in the reverse order of removal.

CAUTION:
- Replace the O-rings on the low-pressure flexible hose and muffler pipe with new ones, then apply A/C oil to them for installation.
- After recharging the refrigerant, check for leaks. Refer to "Checking for Refrigerant Leaks".