Tesla Model S: Receiver Dryer and Desiccant (Remove and Replace)
Note: 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.
Note: The dessicant is located in the RH condenser.
Removal
- Position the vehicle on a lift but do not lift it at this
time.
- Recover refrigerant from the vehicle (refer to procedure).
Note: While the HVAC machine is recovering the
refrigerant, perform the following:
- Remove the front underhood apron (refer to procedure).
- Partially lift the vehicle.
- Remove the screw that secures the fascia to the RH front
fender (torque 1.5 Nm).
- Remove the bolt that secures the RH portion of the fascia
and applique to the fascia carrier (torque 4 Nm).
- Remove the RH plastic rivets (x5) that secure the RH aero
shield to the chin spoiler.
Note: Do not remove the last 3 plastic
rivets on the LH side of the aero shield.
- Clean the area around the plug before removal.
- Remove and discard the plug and the desiccant bag (torque 12
Nm).
Warning: To avoid personal injury, eye protection
must be worn when performing this operation.
Warning: HFO-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.
Caution: Remove and discard O-rings.
Installation
Installation procedure is the reverse of removal, except for the
following:
Caution: Install a new desiccant bag and a new plug
immediately to prevent ingress of dirt and moisture.
Note: Do not reuse the plug.
Note: While the HVAC machine is performing the vacuum
and leak check, perform the following:
- Reinstall the underhood aprons.
- Lower the vehicle.
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Warning: Only technicians who have been trained in High
Voltage Awareness are permitted to perform this procedure. Proper
personal protective equipment (PPE) and insulating HV gloves with a
Warning: Only technicians who have been trained in High
Voltage Awareness are permitted to perform this procedure. Proper
personal protective equipment (PPE) and insulating HV gloves with a
Warning: Only technicians who have been trained in High
Voltage Awareness are permitted to perform this procedure. Proper
personal protective equipment (PPE) and insulating HV gloves with a
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Removal
Remove the LH rear wheelarch liner (refer to procedure).
Remove the parking brake caliper (refer to procedure).
Remove the mid aero shield (refer to procedure).
Remove the bolt that secures the upper link to the knuckle
(torque 140 Nm).
Support the rear suspensio
The HV battery alignment rods assist in aligning the HV battery during
installation.
Note: This tool is intended to be used by 2 technicians.
To use the alignment rods:
Position the table under the vehicle until the bolt holes in the battery
and vehicle are roughly aligned. Do not lo