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NHTSA ID Number: 10163219
Manufacturer Communication Number: 17NA293
Summary
This technical bulletin provides a procedure to replace the AC distributor case if the rear air blows warm when the AC is selected.
2 Affected Products
Vehicle
MAKE | MODEL | YEAR |
BUICK | ENVISION | 2016-2017 |
Condition
One or more of the following concerns from the 2nd row / rear HVAC:
- Temperature doesn’t change when commanded
- A/C inoperative
- Blowing warm air when the A/C is selected
- Blowing cold air when heat is selected
Cause
This condition may be caused by the auxiliary temperature valve, internal to the A/C distributor case, being fractured.
Parts
Description | Part Number | Qty |
CASE, A/C EVPR & BLO | 84213709 | 1 |
SEAL KIT, HTR & A/C EVPR & BLO MDL | Refer to EPC | 1 |
1 Associated Document
Manufacturer Communications
Bulletin No.: 17-NA-293
Date: June, 2019
https://www.nhtsa.gov/recalls?nhtsaId=10163219
MC-10163219-9999.pdf 339.581KB
NHTSA ID Number: 10134584
Manufacturer Communication Number: 17NA293
Summary
This technical bulletin provides a procedure to replace the AC distributor case if the rear air blows warm when the AC is selected.
1 Associated Document
Manufacturer Communications
Bulletin No.: 17-NA-293
Date: October, 2017
https://www.nhtsa.gov/recalls?nhtsaId=10134584
MC-10134584-9999.pdf 955.667KB
NHTSA ID Number: 10159609
Manufacturer Communication Number: 17NA293
Summary
This technical bulletin provides a procedure to replace the AC distributor case if the rear air blows warm when the AC is selected.
1 Associated Document
Manufacturer Communications
Bulletin No.: 17-NA-293
Date: September, 2017
https://www.nhtsa.gov/recalls?nhtsaId=10159609
MC-10159609-9999.pdf 277.616KB
NHTSA ID Number: 10137754
Manufacturer Communication Number: PIT5581
Summary
This preliminary information advises the technician to inspect for a broken temperature door versus replacing the temperature actuator and resulting in a misdiagnosis.
1 Associated Document
Manufacturer Communications
Bulletin No.: PIT5581
Published date: 08/31/2017
https://www.nhtsa.gov/recalls?nhtsaId=10137754
“This site contains affiliate links for which OEMDTC may be compensated” |
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- Built in disposable recharge hose
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- UNABLE TO SHIP THIS ITEM TO CALIFORNIA and WASHINGTON
- Replaces lost R-134a refrigerant and oil in automotive A/C system
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- Contains acceptable amounts of ingredients: 14oz R-134a Refrigerant (1,1,1,2 Tetrafluoroethane, CAS# 811-97-2) & 8oz of synthetic lubricant enhancer, conditioner, with leak sealer.
- Contains R-134a gas which is acceptable for use in motor vehicle A/C (MVAC) systems
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- Replaces lost R-134a refrigerant and oil in automotive A/C system
- System safe stop leak sealer stops most common A/C leaks with hoses, gaskets and O-Rings
- Special anti-wear additives extend system life and improve performance
- Contains R-134a gas which is acceptable for use in motor vehicle A/C (MVAC) systems
- Complies with Section 612 of the EPA Clean Air Act, EPA Compliant in Self Sealing Cans
Last update on 2024-06-07 / Affiliate links / Images from Amazon Product Advertising API
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SEOCONTENT-START
Service Bulletin Bulletin No.: 17-NA-293
Date: June, 2019
TECHNICAL
Subject: Rear Air Conditioning Inoperative, Rear Air Temperature Doesn’t Change When
Commanded
This Bulletin replaces PIT5581. Please discard PIT5581.
Brand: Model:
Model Year: VIN: Engine: Transmission:
from to from to
Buick Envision 2016 2017 SOP July
20, 2017
Involved Region or Country North America
Additional Options (RPOs) Equipped with HVAC SYSTEM-AIR CONDITIONING, FRT & RR ELECTRONIC
CONTROLS (CJ4)
Condition
Some customers may comment on one or more of the following concerns from the 2nd row / rear HVAC:
• Temperature doesn’t change when commanded
• A/C inoperative
• Blowing warm air when the A/C is selected
• Blowing cold air when heat is selected
Cause
4861180
This condition may be caused by the auxiliary temperature valve, internal to the A/C distributor case, being fractured.
Page 2 June, 2019 Bulletin No.: 17-NA-293
Correction
4861172
Note: The technician may find the pivot for the temperature valve has pulled away from the actuator motor (2).
Verify if the temperature valve is working properly:
• If it has been validated that the rear temperature valve is not working properly, replace the A/C distributor case.
• If the temperature valve has been found to be working correctly, refer to SI for further diagnostics.
Bulletin No.: 17-NA-293 June, 2019 Page 3
Service Procedure
5361052
Important: Wiring harness length has the potential for the Upper DAT (1) and EAT (2) connectors to plug into the wrong sensor. To avoid miswiring the replacement case, you should mark each of the temperature sensor wires and note their location prior to removal. Confirm that the Purple/Black wire connector (3) goes to the Upper DAT, and the Gray/Black wire connector (4) goes to the EAT.
Replace the A/C distributor case. Refer to Air Distributor Case Replacement in SI.
Page 4 June, 2019 Bulletin No.: 17-NA-293
Parts Information
Causal
Part
Description Part
Number
Qty
x CASE, A/C EVPR
& BLO
84213709 1
N/A SEAL KIT, HTR &
A/C EVPR &
BLO MDL
Refer
to EPC
1
Warranty Information
For vehicles repaired under warranty, use:
Labor
Operation
Description Labor Time
4412280 Air Distributor Case
Replacement
Use
Published
Labor
Operation
Time
Version 6
Modified Revised September 29, 2017 – Added the 2016 Model Year and supersede statement.
Revised October 27, 2017 – Added the Important statement to the Correction section.
Revised July 10, 2018 – Add seal kit to Parts Information section.
Revised December 05, 2018 – Update Conditions section to add cold air information and
temp control.
Revised June 21, 2019 – Added Important and Graphic to Service Procedure.
SEOCONTENT-END