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Home >> Chevrolet >> 2015 >> Cruze LT, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (Engine Mechanical - 2.0L (LUZ) Diesel) >> Repair Instructions - Off Vehicle >> Water Pump Cleaning and Inspection >> Inspection Procedure

Inspection Procedure

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  1. Rotate the water pump hub (2).
    Fig 1: Water Pump Hub
    GM2026888Courtesy of GENERAL MOTORS COMPANY
    NOTE: The water pump hub and impeller should turn straight and smoothly. If the hub wobbles, is noisy or feels rough when rotated, replace the water pump.
  2. Inspect the exterior of the water pump for the following:
    • Damage to the water pump bolt holes (1)
    • Damage to the water pump gasket sealing surface (3)
    • Damage, corrosion or restrictions
  3. Replace the water pump if damage is found.