TT 87 22 01_2

Technical Tip
Transaction No:
2067966/2
Release date:
01/18/2024
87-22-01TT – Rear Evaporator Diagnosis
Condition
THIS IS A TECH TIP, NOT A TECHNICAL BULLETIN AS TITLED.
TECH TIPS ARE NOT ASSOCIATED WITH WARRANTY CLAIMING.
Applicable Vehicles
Model(s)
Year
Eng. Code
Trans. Code
VIN Range From
VIN Range To
Atlas
2018-2024
All
All
All
All
Revision Table
Instance Number
Published Date
Version Number
Reason For Update
2067966/2
01/18/2024
87-22-01TT
Update to model and model year applicability.
2067966/1
9/8/2022
87-22-01TT
Original publication.
Technical Background
While verifying a low refrigerant condition the rear evaporator should be checked.
Service
To aid in diagnosis of the rear evaporator refrigerant system use the MRT Refrigerant Leak Detector ACT925.
To check the system, it is important to have the A/C blower OFF during testing.
• Adjust the rear A/C to cool and set the rear
distribution to the rear vent.
• Set the A/C to OFF to turn off the blower.
• Carefully analyze the rear evaporator using tool
MRT Refrigerant Leak Detector ACT925.
Figure 1
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Technical Tip
87-22-01TT – Rear Evaporator Diagnosis
Transaction No:
2067966/2
Release date:
01/18/2024
Additional Information
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