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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)) >> Repair Instructions - On Vehicle >> Water Pump and Balance Shaft Chain Tensioner Replacement >> Installation Procedure

Installation Procedure

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  1. Reset the water pump and balance shaft chain tensioner by performing the following steps:
    1. Turn the tensioner plunger 90 degrees in its bore and compress the plunger.
    2. Turn the tensioner back to the original 12 o'clock position and insert a paper pin through the hole in the plunger body and into the hole in the tensioner plunger.
  2. Clean the water pump and balance shaft chain tensioner sealing surface.
    3. Fig 1: Water Pump & Balance Shaft Chain Tensioner & Bolts
    GM2512768Courtesy of GENERAL MOTORS COMPANY
  3. Install the water pump and balance shaft chain tensioner (1).
    4. CAUTION:

    Refer to Fastener Caution .

  4. Install the 2 water pump and balance shaft chain tensioner bolts (2) and tighten the bolts to 10 N.m (89 lb in).
    5. Fig 2: Paper Pin & Tensioner
    GM2512767Courtesy of GENERAL MOTORS COMPANY
  5. Remove the paper pin (1) from the tensioner (2).
  6. Install the engine front cover. Refer to Engine Front Cover Replacement .
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