GM/Detroit 6.5L – DRIVE BELT TENSIONER INSPECTION

Remove or Disconnect
1. Negative battery cable. Refer to SECTION 0A.
2. Multiple ribbed drive belt. Refer to “ Drive Belt Replacement.”
• Position a hex head socket on the belt tensioner pulley bolt head.
• Move the drive belt tensioner through its full travel.

NOTICE : Do not allow the drive belt tensioner to snap into the “free” position. This may result in damage to the tensioner.

• Movement should feel smooth and return freely without any binding. If any binding is observed, replace the tensioner.

Install or Connect
1. Multiple ribbed drive belt. Refer to “Drive Belt Replacement.”
2. Negative battery cable.

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