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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Engine Mechanical - 4.6L (3 Of 5)) >> Off-Vehicle Repair Instructions (1 Of 3) >> Water Crossover Removal

Water Crossover Removal

WARNING: This page is about a different variant/trim than selected.
    Fig 1: Identifying Water Pump Drive Belt Shield Bolt & Nuts
    GM1564111Courtesy of GENERAL MOTORS CORP.
  1. Remove the water pump drive belt shield bolt and nuts.
  2. Remove the water pump drive belt shield.
    3. Fig 2: Rotating Water Pump Drive Belt Tensioner
    GM1564112Courtesy of GENERAL MOTORS CORP.
  3. Remove the water pump drive belt by compressing the belt tensioner while sliding the belt off the drive pulley and the water pump pulley.
    4. Fig 3: Identifying Water Pump Drive Belt Tensioner
    GM1564113Courtesy of GENERAL MOTORS CORP.
  4. Remove the water pump drive belt tensioner bolts from the tensioner.
  5. Remove the water pump drive belt tensioner from the water crossover.
    6. Fig 4: Identifying Crankshaft Position Sensor & Knock Sensor Wiring Harness Bracket Bolt
    GM1564114Courtesy of GENERAL MOTORS CORP.
  6. Remove the crankshaft position sensor and knock sensor wiring harness bracket bolt.
    7. Fig 5: View Of Water Pump Housing
    GM1564115Courtesy of GENERAL MOTORS CORP.
  7. Loosen the water crossover mounting bolts.
  8. Remove the water crossover and all mounting bolts.
    9. Fig 6: View Of Water Pump Housing Gaskets & Bolts
    GM1564117Courtesy of GENERAL MOTORS CORP.
  9. Remove the water crossover gaskets and mounting bolts from the water crossover.
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