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Jeep TSB #07-002-15 REV. A
2011 Jeep Grand Cherokee
TSB Document:
Affected Component: ENGINE (PWS)
- Summary
- Idler Pulley Noise During Cold Start This bulletin involves replacing the idler pulley. The customer may describe a loud high frequency noise that happens within 20 seconds of engine startup and lasts about 90 seconds intermittently during a cold engine start, approximately 0 degrees C (32 degrees F) and below.
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