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Home >> Cadillac >> 2007 >> STS V >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling System >> Repair Instructions >> Surge Tank Replacement >> Installation Procedure

Installation Procedure

  1. Install the surge tank.
    2. Fig 1: View Of Surge Tank
    GM1334991Courtesy of GENERAL MOTORS CORP.
  2. Connect the low coolant sensor electrical connector.
    3. NOTE: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.
  3. Install the surge tank nut.

    Tighten:  Tighten the nut to 9 N.m (80 lb in).

  4. Install the surge tank bolt.

    Tighten:  Tighten the bolt to 9 N.m (80 lb in).

    5. Fig 2: View Of Surge Tank Hose
    GM1334992Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Lubricate the inside diameters of the hoses with clean coolant prior to installation.
  5. Connect the surge tank inlet hose to the surge tank.
  6. Using the J 38185  , resposition the hose clamp to secure the surge tank inlet hose. See Special Tools .
  7. Connect the surge tank outlet hose.
  8. Using the J 38185  , resposition the hose clamp to secure the surge tank outlet hose. See Special Tools .
  9. Connect the master cylinder fluid level sensor electrical connector.
  10. Fill the cooling system. Refer to Draining and Filling Cooling System (GE 47719)  or Draining and Filling Cooling System (Static Fill) .
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