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Home >> Chevrolet >> 2013 >> Sonic RS, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Mechanical - 1.8L (LUW, LWE)) >> Repair Instructions - On Vehicle >> Timing Belt Tensioner Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Clean the timing belt tensioner thread.
    2. Fig 1: Timing Belt Tensioner & Bolt
    GM2504687Courtesy of GENERAL MOTORS COMPANY
  2. Install the timing belt tensioner (2).
  3. Install a new timing belt tensioner bolt (1).
    4. Fig 2: Timing Belt Tensioner, Locking Pin & Allen Key
    GM2504691Courtesy of GENERAL MOTORS COMPANY
  4. Apply tension to the drive belt tensioner (2) in the direction of the arrow, using an allen key (1).
  5. Remove the EN-6333  locking pin (3).
    6. NOTE:

    The timing belt tensioner moves automatically to the correct position.

  6. Release tension on timing belt tensioner.
    7. CAUTION:

    Refer to Fastener Caution .

  7. Tighten the timing belt tensioner bolt in three passes using the EN-45059  torque angle :
    1. First pass tighten to 20 (15 lb ft).
    2. Second pass to 120 degrees.
    3. Third pass to 15 degrees.
  8. Install the timing belt lower front cover. Refer to Timing Belt Lower Front Cover Installation .
  9. Install the timing belt center front cover. Refer to Timing Belt Center Front Cover Installation .
  10. Install the engine mount bracket. Refer to Engine Mount Bracket Replacement .
  11. Install the crankshaft balancer. Refer to Crankshaft Balancer Replacement .
    12. Fig 3: Spot Type Markings And Special Tool
    GM2373398Courtesy of GENERAL MOTORS COMPANY
  12. Check the timing.
      NOTE:

      Note the marking at the camshaft sprockets.

    1. Turn the crankshaft 720 degrees in the direction of engine rotation by the bolt on the crankshaft balancer.
      2. NOTE:

      The spot type marking (4) on the intake camshaft adjuster does not correspond to the groove of EN-6340-left during this process but must be somewhat above as shown.

    2. Install EN-6340-left  locking tool (1) into the camshaft adjusters as shown.
      3. NOTE:

      The spot type marking (3) on the exhaust camshaft adjuster must correspond to the groove on EN-6340-right.

    3. Install EN-6340-right  locking tool (2) into the camshaft adjusters as shown.
    13. Fig 4: View Of Crankshaft TDC Position
    GM1936993Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Note the marking at the crankshaft balancer and the cover (1) must align before installing the drive belt.

  13. Install the drive belt tensioner. Refer to Drive Belt Tensioner Replacement .
  14. Remove the EN-6340  locking tool.
  15. Install the timing belt upper front cover. Refer to Timing Belt Upper Front Cover Installation .
  16. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement .
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