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Home >> Isuzu >> 2007 >> i-290 LS, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 66 (Engine Cooling System) >> Repair Instructions >> Engine Coolant Crossover Pipe Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2007 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Brake Booster Vacuum Hose
    GM1663944Courtesy of GENERAL MOTORS CORP.
  1. Drain the cooling system. Refer to Draining and Filling Cooling System (Static Fill)  or Draining and Filling Cooling System (Vac-N-Fill) .
  2. Remove the air cleaner. Refer to Air Cleaner Assembly Replacement .
  3. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement .
  4. Remove the water pump drive belt. Refer to Water Pump Belt Replacement .
  5. Reposition the brake booster vacuum hose clamp at the water pump housing.
  6. Remove the brake booster vacuum hose from the water pump housing.
    7. Fig 2: Idebtifying Oil Level Indicator Tube
    GM1662566Courtesy of GENERAL MOTORS CORP.
  7. Remove the oil level indicator tube nut.
  8. Reposition the oil level indicator tube.
    9. Fig 3: Identifying Transaxle Vent Hose Clip
    GM1670281Courtesy of GENERAL MOTORS CORP.
  9. Remove the transaxle vent hose clip (1) from the bracket.
    10. Fig 4: View Of Throttle Body Assembly
    GM1564198Courtesy of GENERAL MOTORS CORP.
  10. Remove the throttle body bolts.
  11. Remove the bracket.
  12. Remove the throttle body.
  13. Remove and discard the throttle body seal.
    14. Fig 5: Identifying Throttle Body Plenum Duct
    GM1564205Courtesy of GENERAL MOTORS CORP.
  14. Loosen the throttle body plenum duct clamp.
  15. Remove and discard the throttle body plenum duct.
    16. Fig 6: View Of Fuel Rail, Bracket & Bolts
    GM1662136Courtesy of GENERAL MOTORS CORP.
  16. Remove the fuel rail bracket nut at the rear left lift bracket.
    17. Fig 7: View Of Surge Tank Inlet Hose/Pipe
    GM1662132Courtesy of GENERAL MOTORS CORP.
  17. Reposition the surge tank inlet hose clamp at the fitting.
  18. Remove the surge tank inlet hose from the fitting.
    19. Fig 8: Identifying Engine Coolant Outlet Fitting
    GM1564203Courtesy of GENERAL MOTORS CORP.
  19. Remove the engine coolant outlet fitting.
  20. Remove the rear left lift bracket bolt.
  21. Remove the rear left lift bracket.
    22. Fig 9: Identifying EGR Bracket Shield Nuts
    GM1564178Courtesy of GENERAL MOTORS CORP.
  22. Remove the exhaust gas recirculation (EGR) valve shield nuts.
  23. Remove the EGR valve shield.
    24. Fig 10: View Of EGR Valve Bolts
    GM1564195Courtesy of GENERAL MOTORS CORP.
  24. Remove the EGR valve bolts.
  25. Remove the EGR valve.
  26. Remove and discard the EGR valve gasket.
    27. Fig 11: View Of Engine Harness Electrical Connectors
    GM1665460Courtesy of GENERAL MOTORS CORP.
  27. Disconnect the engine harness electrical connector (1) from the engine valley electrical connector.
    28. Fig 12: Identifying EGR Valve Inlet Pipe
    GM1666841Courtesy of GENERAL MOTORS CORP.
  28. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  29. Disconnect the EGR inlet pipe nut from the exhaust manifold front pipe.
  30. Lower the vehicle.
    31. IMPORTANT: The EGR valve inlet pipe incorporates a crush seal connection at the water pump housing. The EGR valve inlet pipe must be replaced if disconnected from the water pump housing.
  31. Remove the EGR inlet pipe bolt from the water pump housing.
  32. Remove and discard the EGR inlet pipe.
    33. Fig 13: View Of EVAP Canister Purge Solenoid Valve & Bolt
    GM1564197Courtesy of GENERAL MOTORS CORP.
  33. Remove the evaporative emission (EVAP) canister purge solenoid valve bolt.
  34. Remove the EVAP canister purge solenoid valve.
    35. Fig 14: Identifying MAP Sensor Bracket & Bolt
    GM1564200Courtesy of GENERAL MOTORS CORP.
  35. Remove the manifold absolute pressure (MAP) sensor bracket bolt.
  36. Remove the MAP sensor bracket.
  37. Remove the MAP sensor.
    38. Fig 15: View Of Radiator Inlet Hose & Clamp
    GM1664570Courtesy of GENERAL MOTORS CORP.
  38. Using the J 38185  , reposition the radiator inlet hose clamp (1) at the water pump housing. See Special Tools .
  39. Remove the radiator inlet hose (2) from the water pump housing.
    40. Fig 16: View Of Radiator Outlet Hose At Thermostat Housing
    GM1664571Courtesy of GENERAL MOTORS CORP.
  40. Using the J 38185  , reposition the radiator outlet hose clamp (1) at the thermostat housing. See Special Tools .
  41. Remove the radiator outlet hose (2) from the thermostat housing.
    42. Fig 17: View Of Water Pump Drive Belt Tensioner
    GM1662860Courtesy of GENERAL MOTORS CORP.
  42. Remove the water pump belt tensioner studs.
  43. Remove the water pump belt tensioner.
    44. Fig 18: Identifying Heater Inlet & Outlet Hoses
    GM1664574Courtesy of GENERAL MOTORS CORP.
  44. Reposition the heater outlet hose clamp (4) at the heater pipe.
  45. Remove the heater outlet hose (3) from the heater pipe.
    46. Fig 19: View Of Water Pump Cover, Bolt & Studs
    GM1564175Courtesy of GENERAL MOTORS CORP.
  46. Remove the water pump cover bolt and studs.
  47. Remove the water pump cover
    48. Fig 20: View Of Water Pump Housing
    GM1564115Courtesy of GENERAL MOTORS CORP.
  48. Loosen the water pump housing bolts.
  49. Remove the water pump housing.
    50. Fig 21: View Of Water Pump Housing Gaskets & Bolts
    GM1564117Courtesy of GENERAL MOTORS CORP.
  50. Remove the water pump housing gaskets and bolts.
    51. Fig 22: Identifying Water Pump Bolts
    GM1564207Courtesy of GENERAL MOTORS CORP.
  51. With the water pump housing on the bench, remove the water pump bolts.
  52. Remove the water pump from the water pump housing.
    53. Fig 23: Identifying Water Pump O-Ring Seal
    GM1564167Courtesy of GENERAL MOTORS CORP.
  53. Remove and discard the water pump O-ring.
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