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HOMESERVICE MANUALSPONTIAC2008GRAND PRIX BASEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 304 (ENGINE COOLING)REPAIR INSTRUCTIONSRADIATOR SURGE TANK REPLACEMENTINSTALLATION PROCEDURE
2008 Pontiac Grand Prix Base

Installation Procedure

2008 Pontiac Grand Prix BaseSECTION Installation Procedure
WARNING: This page is about a different car, the 2008 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Identifying Surge Tank
    GM801109Courtesy of GENERAL MOTORS CORP.
  1. Install the surge tank (4) to the vehicle (5).
  2. If equipped connect the electrical connector to the low coolant level switch.
    3. NOTE: Refer to Fastener Notice .
  3. Install the bolt (1) to the surge tank (4).

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

  4. Install the nut (3) to the surge tank (4).

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

    5. Fig 2: Surge Tank Components
    GM801110Courtesy of GENERAL MOTORS CORP.
  5. Install the surge tank outlet hose (3) to the surge tank (2).
  6. Position the surge tank outlet hose clamp (5) to the surge tank (2).
  7. Install the surge tank inlet hose (6) to the surge tank (2).
  8. Position the surge tank inlet hose clamp (1) to the surge tank (2).
  9. Fill the cooling system. Refer to Cooling System Draining and Filling (Static Fill)  or Cooling System Draining and Filling (Vac-N-Fill) .
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.