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Home >> Buick >> 2015 >> Verano Premium, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine Mechanical - 2.4L (Lea)) >> Diagnostic Information and Procedures >> Drive Belt Tensioner Diagnosis

Drive Belt Tensioner Diagnosis

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Step Action Yes No
1 Remove the drive belt and inspect the drive belt tensioner pulley.
Is the drive belt tensioner pulley loose or misaligned?
Go to Step 4  Go to Step 2 
2 Rotate the drive belt tensioner.
Does the tensioner rotate without any unusual resistance or binding?
Go to Step 3  Go to Step 4 
3
  1. Use a torque wrench in order to measure the torque required to move the tensioner off of the stop.
  2. Use a torque wrench on a known good tensioner in order to measure the torque required to move the tensioner off of the stop.
Is the first torque reading within 10 percent of the second torque reading?
System OK Go to Step 4 
4 Replace the drive belt tensioner.
Is the repair complete?
System OK -