03/06/2024 17:05:14
Receiver Dryer and Desiccant (Remove and Replace)
Code de correction 18202002
- 2023-08-28: Added image for clarity.
- 2024-04-02: Added reminding of checking the pressure of A/C system before opening the accumulator.
Remarque
The desiccant bag in the receiver dryer is a serviceable item and must be
replaced every 2 years, whenever the system is opened to ambient air for an extended
time, or when an A/C system leak has been fixed.
Remarque
The desiccant is located
in the RH condenser.
Dépose
- Placez le véhicule sur un pont élévateur, mais ne le soulevez pas tout de suite.
-
Recover the A/C refrigerant from
the vehicle. See Récupération et recharge du fluide frigorigène de climatisation (retrait et remplacement).
NoteWhile the HVAC machine is recovering the refrigerant, perform the following:
-
Clean the area around the plug before removal.
WarningPour éviter les blessures, il faut porter des lunettes de sécurité pour effectuer cette procédure.WarningHFO-R1234yf and R134a are considered hazardous liquids and if handled incorrectly can cause serious injury. Suitable protective clothing, consisting of face and eye protection, heat-proof gloves, rubber boots and apron or waterproof overalls must be worn when carrying out operations on the air conditioning system.WarningAssurez-vous qu'il n'y a pas de pression dans le système de climatisation avant d'effectuer les étapes suivantes.
-
Remove and discard the plug and
the desiccant bag.
CAUTIONEnlevez et jetez les joints toriques.
Installation
La procédure d’installation est l’inverse de la procédure de retrait, à l’exception de ce qui suit :
CAUTION
Install a new
desiccant bag and a new plug (torque 12 Nm) immediately to prevent ingress of dirt
and moisture.
Note
Do not reuse
the plug.
- Perform a system vacuum and leak check. See Récupération et recharge du fluide frigorigène de climatisation (retrait et remplacement).
-
While the HVAC machine is running
the vacuum and leak check, do the following:
- Reinstall the underhood aprons.
- Lower the vehicle.
- Charge the system with refrigerant. See Récupération et recharge du fluide frigorigène de climatisation (retrait et remplacement).
- Perform a cooling system thermal test. See Système de refroidissement – test thermique.