PIC6305

Bulletin No.: PIC6305
Published date: 09/20/2017
Preliminary Information
PIC6305 Buzz Noise Heard At Idle
Models
Brand:
Chevrolet
Model:
Cruze
Model Years:
2018
VIN:
from
J710002
to
J7102070
Engine:
LE2
Transmissions:
All
Involved Region or Country North America
A customer may comment of a buzz type noise heard at idle.
Condition
The noise can be turned on and off by activating and deactivating the canister purge solenoid using
the scan tool.
Cause
Mass dampeners may be missing from the evaporative emission purge valve line.
Correction:
Inspect evap purge line underhood (figure 1) to see if mass dampeners were installed (figure 2).
If mass dampeners are present, proceed with SI diagnostics.
If mass dampeners are not present, contact TAC to get a mass dampener kit.
Install kit per included instructions – re-evaluate noise.
Figure 1
Figure 2
Warranty Information
Labor Operation
Description
Labor Time
4081888*
Install Mass Dampener on Vapor purge line
0.3
*This is a unique Labor Operation for Bulletin use only.
Version History
Version
1
Modified
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