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NHTSA ID Number: 10163210
Manufacturer Communication Number: 19NA007
Summary
This technical bulletin provides a procedure to replace the surge tank if found the cause of the customers concern.
10 Affected Products
Vehicles
Parts
| TANK, RAD SURGE | 84388367 | 1 |
SEOCONTENT-START
Service Bulletin Bulletin No.: 19-NA-007
Date: July, 2019
TECHNICAL
Subject: Water Rush or Gurgle Noise from Heater Core
This bulletin replaces PIT5420F. Please discard PIT5420F.
Brand: Model:
Model Year: VIN: Engine: Transmission:
from to from to
Chevrolet Colorado 2015 2019 SOP 1GCGTBEN1K1224669 All All
GMC Canyon 2015 2019 SOP 1GTP6EE16K1225175 All All
Involved Region or Country North America
Condition
Some customers may comment that a water rush or gurgle type noise from the center
dash area.
Some technicians may isolate this noise to the heater core caused by air in the cooling
system.
Cause This condition may be caused by air ingestion in the cooling system.
Correction Replace the radiator surge tank.
Service Procedure
Refer to Radiator Surge Tank Replacement in SI.
Parts Information
Causal
Part
Description Part
Number
Qty
X TANK, RAD
SURGE
84388367 1
Page 2 July, 2019 Bulletin No.: 19-NA-007
Warranty Information
For vehicles repaired under warranty, use:
Labor Operation Description Labor Time
4031280 Radiator Surge Tank Replacement Use the Published Labor
Operations Time
Version 1
Modified Released February 04, 2019
Revised June 27, 2019 – Added VIN breakpoints.
SEOCONTENT-END
Bulletin No.: 19-NA-007
Date: July, 2019
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NHTSA ID Number: 10151831
Manufacturer Communication Number: PIT5420F
Bulletin No.: PIT5420E
Published date: 02/12/2018
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Bulletin No.: PIT5420D
Published date: 08/11/2017
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Bulletin No.: PIT5420C
Published date: 07/7/2017
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Bulletin No.: PIT5420B
Date: Aug-2016
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Bulletin No.: PIT5420
Date: May-2015
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