LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2021 >> Blazer RS, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine Mechanical - 2.5L (LCV)) >> Diagnostic Information and Procedures >> Drive Belt Tensioner Diagnosis

Drive Belt Tensioner Diagnosis

WARNING: This page is about a different variant/trim than selected.
Step Action Yes No
1
  1. Remove the drive belt. Refer to Drive Belt Replacement .
  2. Inspect the drive belt tensioner pulley.
Is the drive belt tensioner pulley loose or misaligned?		 Go to Step 6  Go to Step 2 
2 Rotate the drive belt tensioner pulleys.
Do the pulleys rotate without any unusual resistance or binding?		 Go to Step 3  Go to Step 6 
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?		 Go to Step 4  Go to Step 6 
4 Inspect tensioner for indication of oil leaks.
Does it show signs of oil leaking?		 Go to Step 6  Go to Step 5 
5 Remove top tensioner bolt, above hydraulic tensioner and verify tensioner assembly moves about center pivot by applying light force.
Does the tensioner Asm move without binding?		 System OK Go to Step 6 
6 Replace the drive belt tensioner. Refer to Drive Belt Tensioner Replacement .
Is the repair complete?		 System OK -
scientia non olet · About LEMON Manuals