Malibu L4-2.4L Hybrid (2008)
Drive Belt Tensioner: All Technical Service Bulletins
Engine - Drive Belt Noise/Rattle or Squeal
TECHNICAL
Bulletin No.: 09-06-01-009A
Date: February 08, 2010
Subject: Hybrid - Tensioner Primary Accessory Drive - Pulley Bearing Noise, Rattle or Squeal - Spring Tensioner Shoulder Bolt or Bracket Pivot Bolt
Fatigue (Replace Drive Belt Tensioner)
Models:
2008-2010 Chevrolet Malibu
2007-2009 Saturn AURA, VUE
All Equipped With Engine RPO LAT and Hybrid RPO HP7
Please Refer to GMVIS
Attention:
The drive belt idler pulley bracket pivot bolt is no longer serviced separately. If the pivot bolt needs replacement for any reason, the drive belt tensioner
assembly MUST BE replaced with the new revised assembly.
Supercede:
This bulletin is being revised to add graphics, an Attention statement and update the Correction information. Please discard Corporate Bulletin Number
09-06-01-009 (Section 06 - Engine/Propulsion System).
Condition
Some customers may comment about a rattle or squeal type noise coming from the engine.
Cause
This condition may be caused by one or more of the following:
-
An issue with the drive belt tensioner pulley bearing.
-
The drive belt idler pulley bracket pivot bolt experiencing fatigue.
-
The spring tensioner bottom shoulder bolt experiencing fatigue.
Correction
Warning
To avoid personal injury, DO NOT remove the tensioner spring shipping clip until the tensioner is properly mounted and tightened to the engine and the
accessory drive belt is installed and properly routed.
-
The drive belt tensioner assembly (2) is delivered with a tensioner spring shipping clip (1) installed over and compressing the tensioner spring.
