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NHTSA ID Number: 10161948
Manufacturer Communication Number: 19NA101
Summary
This technical bulletin provides a procedure to replace the intake manifold if diagnostics has found the Non Return Valve missing.
28 Affected Products
Vehicles
MAKE | MODEL | YEAR |
BUICK | ENCORE | 2013-2019 |
CHEVROLET | CRUZE | 2011-2016 |
CHEVROLET | SONIC | 2012-2019 |
CHEVROLET | TRAX | 2013-2019 |
Parts
MANIFOLD, INT | 25200449 |
SEOCONTENT-START
Service Bulletin Bulletin No.: 19-NA-101
Date: May, 2019
TECHNICAL
Subject: Possible Oil Consumption and/or Leaks
Brand: Model: Model Year: VIN: Engine: Transmission:
from to from to
Buick Encore 2013 2019
1.4L (LUJ, LUV) Chevrolet
Cruze 2011 2016
Sonic 2012 2019
Trax 2013 2019
Involved Region or Country North America, Israel
Condition
Some customers may comment on one or more of the following conditions:
• Oil consumption
• Oil leak
Cause
This condition may be caused by a missing Non Return valve.
⇒ Increased crankcase pressure can force the oil into the induction system and eventually into the cylinders.
Correction
3814780
Separate the PCV bypass pipe from the intake manifold and check for a missing intake manifold Non Return Valve:
3814782
Note: The Non Return Valve is orange in color but could be covered in soot making it difficult to see the color.
• If you can see the nipple of the Non Return valve as shown above, then no further repair is needed for the intake manifold.
⇒ Continue diagnosis for the oil consumption using SI.
• If the Non Return Valve is missing, replace the intake manifold.
Service Procedure
Refer to Intake Manifold Replacement in SI.
Parts Information
Causal
Part
Description Part
Number
Qty
X MANIFOLD, INT 25200449 1
Warranty Information
For vehicles repaired under warranty, use:
Labor
Operation
Description Labor Time
4060450
Intake Manifold
Replacement
Use
Published
Labor
Operation
Time
Version 1
Modified Released May 07, 2019
SEOCONTENT-END
Bulletin No.: 19-NA-101
Date: May, 2019
https://www.nhtsa.gov/recalls?nhtsaId=10161948
https://static.nhtsa.gov/odi/tsbs/2019/MC-10161948-9999.pdf
To View or Download this Document Click Here
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