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Home >> Pontiac >> 2009 >> Vibe Base, 2.4 0, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 6 (Engine Mechanical - 1.8L (Lay)) >> Repair Instructions - On Vehicle >> Drive Belt Replacement >> On-Vehicle Inspection

On-Vehicle Inspection

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    Fig 1: Inspecting Drive Belt
    GM2016702Courtesy of GENERAL MOTORS CORP.
  1. Inspect the V-ribbed belt for wear, cracks or other signs of damage.

    If any of the following defects is found, replace the V-ribbed belt.

    • The belt is cracked.
    • The belt is worn out to the extent that wires are exposed.
    • The belt has chunks missing from the ribbed grooves.
  2. IMPORTANT: Check by hand to confirm that the belt has not slipped out of the grooves on the bottom to the pulley. If it has slipped out, replace the V-ribbed belt. Install a new V-ribbed belt correctly.
    Fig 2: Ensuring Belt Fits Properly In Ribbed Grooves
    GM2016704Courtesy of GENERAL MOTORS CORP.
  3. Check that the belt fits properly in the ribbed grooves.
  4. Fig 3: Checking Belt Routing & Deflection
    GM2016705Courtesy of GENERAL MOTORS CORP.
  5. Check the V belt deflection and tension.
  6. Fig 4: Checking Belt Deflection
    GM2016707Courtesy of GENERAL MOTORS CORP.
  7. If the belt deflection is not as specified, adjust it.
    • When inspecting the V belt deflection, apply 98 N (10 kgf) tensile force to it.
    • After installing a new belt, run the engine for approximately 5 minutes and then re-adjust the tension to (new belt) specifications.
    • Check the V-ribbed belt deflection and tension at the specified point.
    • V-ribbed belt tension and deflection should be checked after 2 revolutions of the engine.
    • V-ribbed belt tension and deflection should be checked at TDC crank angle and cold condition.
    • When adjusting a belt, adjust its deflection and tension to the intermediate values of the specification.
    • When reinstalling a belt which has been used for over 5 minutes, adjust its deflection and tension to the used belt specification.
    • When using a belt tension gauge, confirm its accuracy by using a master gauge first.
    • If using a sonic tension meter: Input data for sonic tension meter

      Specification: 

      • Weight: 15 g/rib*m
      • Width: 6 ribs
      • Span: 188 mm (7.40 in) (w/ A/C)
      • Span: 282 mm (11.1 in) (without A/C)