Engine Cooling: Removal & Installation Hummer H2 I рестайлинг

Removal Procedure

1. Drain the cooling system. Refer to «Cooling System Draining and Filling (Static Fill)»(ref-299178-S18372770872008092200000) or «Cooling System Draining and Filling (Vac-N-Fill)»(ref-299178-S18875031892008092200000) .
2. Reposition the surge tank inlet hose clamp (1) from the surge tank (2).
3. Remove the surge tank inlet hose (6) from the surge tank (2).
4. Reposition the surge tank outlet hose clamp (5) from the surge tank (2).
5. Remove the surge tank outlet hose (3) from the surge tank (2).
6. Remove the bolt (1) from the surge tank (4).
7. Remove the nut (3) from the surge tank (4).
8. If equipped disconnect the electrical connector from the low coolant level switch.
9. Remove the surge tank (4) from the vehicle (5).

Installation Procedure

1. Install the surge tank (4) to the vehicle (5).
2. If equipped connect the electrical connector to the low coolant level switch.
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. 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)»(ref-299178-S18372770872008092200000) or «Cooling System Draining and Filling (Vac-N-Fill)»(ref-299178-S18875031892008092200000) .

1. Drain the cooling system. Refer to «Cooling System Draining and Filling (Static Fill)»(ref-299178-S18372770872008092200000) or «Cooling System Draining and Filling (Vac-N-Fill)»(ref-299178-S18875031892008092200000) .
2. Reposition the surge tank inlet hose clamp from the radiator.
3. Remove the surge tank inlet hose (1) from the radiator.
4. Reposition the surge tank inlet hose clamp (1) at the surge tank (2).
5. Remove the surge tank inlet hose (6) from the surge tank (2).

1. Install the surge tank inlet hose (6) to the surge tank (2).
2. Position the surge tank inlet hose clamp (1) to the surge tank (2).
3. Install the surge tank inlet hose (1) to the radiator.
4. Position the surge tank inlet hose clamp to the radiator.
5. Fill the cooling system. Refer to «Cooling System Draining and Filling (Static Fill)»(ref-299178-S18372770872008092200000) or «Cooling System Draining and Filling (Vac-N-Fill)»(ref-299178-S18875031892008092200000) .

1. Drain the cooling system. Refer to «Cooling System Draining and Filling (Static Fill)»(ref-299178-S18372770872008092200000) or «Cooling System Draining and Filling (Vac-N-Fill)»(ref-299178-S18875031892008092200000) .
2. Remove the air cleaner resonator outlet duct. Refer to «Air Cleaner Resonator Outlet Duct Replacement»(ref-299142-S39860654132008092200000) .
3. Disconnect the heater hose quick connect fitting. Using the J 43181 disconnect the inlet heater hose from the heater core. See «Special Tools»(ref-299178-S33492269542008092200000) . Install the J 43181 to the heater core outlet pipe. See «Special Tools»(ref-299178-S33492269542008092200000) . Close the tool around the heater core outlet pipe. Firmly pull the tool into the quick connect end of the heater hose. Firmly grasp the heater hose. Pull the heater hose forward in order to disengage the hose from the heater core.
4. Remove the heater hose (3) from the mounting clip (2).
5. Reposition the surge tank outlet hose clamp (3) from the engine (2).
6. Remove the surge tank outlet hose (6) from the engine (2).
7. Reposition the surge tank outlet hose clamp (5) from the surge tank (2).
8. Remove the surge tank outlet hose (3) from the surge tank (2).
9. Remove the surge tank outlet hose (3) from the vehicle.

1. Install the surge tank outlet hose (3) to the vehicle.
2. Install the surge tank outlet hose (3) to the surge tank (2).
3. Reposition the surge tank outlet hose clamp (5) to the surge tank (2).
4. Install the surge tank outlet hose (6) to the engine (2).
5. Reposition the surge tank outlet hose clamp (3) to the engine (2).
6. Connect the heater inlet hose to the heater core. IMPORTANT: Firmly push the quick connect onto the heater core pipe until you hear an audible click.
7. Pull the heater inlet hose to ensure the connection.
8. Install the heater hose (3) to the mounting clip (2).
9. Connect the surge tank outlet hose to the heater core outlet pipe.
10. Pull the surge tank outlet hose to ensure the connection.
11. Install the air cleaner resonator outlet duct. Refer to «Air Cleaner Resonator Outlet Duct Replacement»(ref-299142-S39860654132008092200000) .
12. Fill the cooling system. Refer to «Cooling System Draining and Filling (Static Fill)»(ref-299178-S18372770872008092200000) or «Cooling System Draining and Filling (Vac-N-Fill)»(ref-299178-S18875031892008092200000) .

1. Drain the cooling system. Refer to «Cooling System Draining and Filling (Static Fill)»(ref-299178-S18372770872008092200000) or «Cooling System Draining and Filling (Vac-N-Fill)»(ref-299178-S18875031892008092200000) .
2. Remove the air cleaner resonator outlet duct. Refer to «Air Cleaner Resonator Outlet Duct Replacement»(ref-299142-S39860654132008092200000) .
3. Reposition the radiator inlet hose clamp (3) from the engine (1).
4. Remove the radiator inlet hose (2) from the engine (1).
5. Remove the radiator inlet hose (4) from the mounting clip (3).
6. Reposition the radiator inlet hose clamp (5) from the radiator (6).
7. Remove the radiator inlet hose (4) from the radiator (6).
8. Remove the inlet hose from the vehicle.

Scheme 2

1. Install the radiator inlet hose (4) to the radiator (6).
2. Position the radiator inlet hose clamp (5) to the radiator (6).
3. Install the radiator inlet hose (4) to the mounting clip (3).
4. Install the radiator inlet hose (2) to the engine (1). Position the radiator inlet hose clamp (3) to the engine (1).
5. Install the air cleaner resonator outlet duct. Refer to «Air Cleaner Resonator Outlet Duct Replacement»(ref-299142-S39860654132008092200000) .
6. Fill the cooling system. Refer to «Cooling System Draining and Filling (Static Fill)»(ref-299178-S18372770872008092200000) or «Cooling System Draining and Filling (Vac-N-Fill)»(ref-299178-S18875031892008092200000) .

1. Drain the cooling system. Refer to «Cooling System Draining and Filling (Static Fill)»(ref-299178-S18372770872008092200000) or «Cooling System Draining and Filling (Vac-N-Fill)»(ref-299178-S18875031892008092200000) .
2. Remove the air cleaner resonator outlet duct. Refer to «Air Cleaner Resonator Outlet Duct Replacement»(ref-299142-S39860654132008092200000) .
3. Reposition the radiator outlet hose clamp (2) from the engine (1).
4. Remove the radiator outlet hose (3) from the engine (1).
5. Reposition the radiator outlet hose clamp (2) from the radiator (1).
6. Remove the radiator outlet hose (3) from the radiator (1).
7. Remove the outlet hose from the vehicle.

1. Install the radiator outlet hose (3) to the radiator (1).
2. Position the radiator outlet hose clamp (2) to the radiator (1).
3. Install the radiator outlet hose (3) to the engine (1).
4. Position the radiator outlet hose clamp (2) to the engine (1).
5. Install the air cleaner resonator outlet duct. Refer to «Air Cleaner Resonator Outlet Duct Replacement»(ref-299142-S39860654132008092200000) .
6. Fill the cooling system. Refer to «Cooling System Draining and Filling (Static Fill)»(ref-299178-S18372770872008092200000) or «Cooling System Draining and Filling (Vac-N-Fill)»(ref-299178-S18875031892008092200000) .

1. Drain the cooling system. Refer to «Cooling System Draining and Filling (Static Fill)»(ref-299178-S18372770872008092200000) or «Cooling System Draining and Filling (Vac-N-Fill)»(ref-299178-S18875031892008092200000) .
2. Remove the air cleaner resonator outlet duct. Refer to «Air Cleaner Resonator Outlet Duct Replacement»(ref-299142-S39860654132008092200000) .
3. Reposition the radiator vent inlet hose clamp from the radiator.
4. Remove the radiator vent inlet hose (2) from the radiator.
5. Remove the radiator vent inlet hose (2) from the fan shroud retainer.
6. Reposition the radiator vent inlet hose clamp from the throttle body.
7. Remove the radiator vent inlet hose (2) from the throttle body.
8. Remove the vent inlet hose from the vehicle.

1. Install the radiator vent inlet hose (2) to the throttle body.
2. Install the radiator vent inlet hose clamp to the throttle body.
3. Install the radiator vent inlet hose (2) to the fan shroud retainer.
4. Install the radiator vent inlet hose (2) to the radiator.
5. Install the radiator vent inlet hose clamp to the radiator.
6. Install the air cleaner resonator outlet duct. Refer to «Air Cleaner Resonator Outlet Duct Replacement»(ref-299142-S39860654132008092200000) .
7. Fill the cooling system. Refer to «Cooling System Draining and Filling (Static Fill)»(ref-299178-S18372770872008092200000) or «Cooling System Draining and Filling (Vac-N-Fill)»(ref-299178-S18875031892008092200000) .

1. Disengage the plastic caps from the quick connect fittings. Pull the caps back along the pipe.
2. Using a bent-tip screwdriver or equivalent, pull on one of the open ends of the retaining ring in order to rotate the retaining ring.
3. Rotate the retaining ring around the quick connector until the retaining ring is out of position and can be completely removed. Discard the retaining rings.
4. Remove the engine oil cooler line from the quick connector fitting at the radiator. Pull the lines straight out from the connectors.
5. Clean all of the components in a suitable solvent, and dry them with compressed air.
6. Inspect the fittings, the connectors, the cooler lines, and the cooler for damage, distortion, or restriction. Replace parts as necessary.

1. Install a new retaining ring into each quick connector fitting.
2. Hook one of the open ends of the retaining ring in one of the slots in the quick connector.
3. Rotate the retaining ring around the connector until the retaining ring is positioned with all 3 ears through the 3 slots.
4. Ensure the 3 retaining ring ears can be seen from the inside of the connector and the retaining ring can move freely in the slots.
5. Install the engine oil cooler line into the quick connector fitting until a click is heard or felt. Pull back on the engine oil cooler lines to ensure a proper connection.
6. Snap the plastic cap onto the quick connect fitting.
7. Ensure that the plastic cap is fully seated against the fitting.
8. Ensure that no gap is present between the cap and the fitting.
9. Inspect and fill the engine oil to the proper level.

1. Remove the engine oil cooler hoses from the radiator. Refer to «Engine Oil Cooler Pipe/Hose Quick Connect Fitting»(ref-299178-S21897650962008092200000) .
2. Remove the engine oil cooler hoses from the fan shroud.
3. Raise and suitably support the vehicle. Refer to «Lifting and Jacking the Vehicle»(ref-299137-S12533882312008092200000) .
4. Remove the engine protection shield bolts.
5. Remove the engine shield.
6. Remove the engine oil cooler hose bracket bolt (1).
7. Remove the engine oil cooler hose adapter bolts (2).
8. Remove the engine oil cooler hose assembly and gasket. Discard the gasket.
9. Inspect the fittings, connectors and cooler hoses for damage or distortion.

1. Install the engine oil cooler hose assembly and a new gasket.
2. Install the engine oil cooler hose adapter bolts (2). Tighten: Tighten the bolts to 12 N.m (106 lb in).
3. Install the engine oil cooler hose bracket bolt (1). Tighten: Tighten the bolt to 25 N.m (18 lb ft).
4. Install the engine protection shield.
5. Install the engine shield bolts. Tighten: Tighten the bolts to 20 N.m (15 lb ft).
6. Install the engine oil cooler hoses to the fan shroud.
7. Install the engine oil cooler hoses to the radiator. Refer to «Engine Oil Cooler Pipe/Hose Quick Connect Fitting»(ref-299178-S21897650962008092200000) .

1. Remove the cooling fan and shroud. Refer to «Cooling Fan and Shroud Replacement»(ref-299178-S36596592732008092200000) .
2. Remove the cooling fan blade retainers.
3. Remove the cooling fan blades.

1. Install the cooling fan blades.
2. Install the cooling fan blade retainers.
3. Install the cooling fan and shroud. Refer to «Cooling Fan and Shroud Replacement»(ref-299178-S36596592732008092200000) .

1. Remove the cooling blade(s). Refer to «Engine Cooling Fan Replacement»(ref-299178-S04860373932008092200000) .
2. Remove the cooling fan motor bolts.
3. Remove the cooling fan motor(s).

1. Install the cooling fan motor(s).
2. Install the cooling fan motor bolts. Tighten: Tighten the bolts to 10 N.m (89 lb in).
3. Install the cooling fan blades. Refer to «Engine Cooling Fan Replacement»(ref-299178-S04860373932008092200000) .

1. Disengage the radiator inlet hose clip (2) at the fan shroud.
2. If necessary, reposition the surge tank inlet hose clamp at the radiator.
3. If necessary, remove the surge tank inlet hose from the radiator.
4. Disconnect the electrical connectors from the cooling fans.
5. Remove the clip attaching the wiring harness to the shroud.
6. Remove transmission cooler lines bolts from fan shroud.
7. If necessary, open the engine oil cooler line clip and remove the cooler lines from the clip.
8. Remove the cooling fan shroud bolts.
9. Remove the cooling fan and shroud.

1. Install the cooling fan and shroud.
2. Install the cooling fan shroud bolts. Tighten: Tighten the bolts to 9 N.m (80 lb in).
3. If equipped, install the cooler lines to the clip and close the clip.
4. Connect the electrical connectors to the cooling fans.
5. Install the clip attaching the wiring harness to the shroud.
6. Install the transmission cooling line bolts to fan shroud. Tighten: Tighten the bolts to 4 N.m (35 lb in).
7. If necessary, install the surge tank inlet hose to the radiator.
8. If necessary, reposition the surge tank inlet hose clamp at the radiator.
9. Engage the radiator inlet hose clip (2) at the fan shroud.

1. Drain the cooling system/engine block. Refer to «Cooling System Draining and Filling (Static Fill)»(ref-299178-S18372770872008092200000) or «Cooling System Draining and Filling (Vac-N-Fill)»(ref-299178-S18875031892008092200000) .
2. Loosen the air cleaner outlet duct clamps at the throttle body and at the mass airflow (MAF) sensor.
3. Remove the air cleaner outlet duct.
4. Remove the radiator outlet hose.
5. Remove the thermostat housing bolts.
6. Remove the thermostat housing from the water pump.

1. Install the thermostat housing to the water pump.
2. Install the thermostat housing bolts. Tighten: Tighten the bolts to 15 N.m (11 lb ft).
3. Install the radiator outlet hose.
4. Install the air cleaner outlet duct.
5. Install the air cleaner outlet duct clamps at the throttle body and at the mass airflow (MAF) sensor. Tighten: Tighten the air cleaner outlet duct clamp screws to 7 N.m (62 lb in).
6. Fill the cooling system. Refer to «Cooling System Draining and Filling (Static Fill)»(ref-299178-S18372770872008092200000) or «Cooling System Draining and Filling (Vac-N-Fill)»(ref-299178-S18875031892008092200000) .

1. Drain the cooling system. Refer to «Cooling System Draining and Filling (Static Fill)»(ref-299178-S18372770872008092200000) or «Cooling System Draining and Filling (Vac-N-Fill)»(ref-299178-S18875031892008092200000) .
2. Remove the generator. Refer to «Generator Replacement»(ref-299134-S31953875122008092200000) .
3. Remove the coolant air bleed pipe bolts (1).
4. Remove the coolant air bleed pipe (2) with gaskets (3).
5. Remove the gaskets from the coolant air bleed pipe and covers.
6. Discard the gaskets.
7. Remove the coolant air bleed hose (1) from the pipe (2).

1. Install the coolant air bleed hose (1) onto the pipe (2).
2. Install the gaskets onto the coolant air bleed pipe and covers.
3. Install the coolant air bleed pipe (2) and gaskets (3) onto the cylinder heads.
4. Install the coolant air bleed pipe bolts (1). Tighten: Tighten the coolant air bleed pipe bolts to 12 N.m (106 lb in).
5. Install the generator. Refer to «Generator Replacement»(ref-299134-S31953875122008092200000) .
6. Fill the cooling system. Refer to «Cooling System Draining and Filling (Static Fill)»(ref-299178-S18372770872008092200000) or «Cooling System Draining and Filling (Vac-N-Fill)»(ref-299178-S18875031892008092200000) .

1. Drain the cooling system. Refer to «Cooling System Draining and Filling (Static Fill)»(ref-299178-S18372770872008092200000) or «Cooling System Draining and Filling (Vac-N-Fill)»(ref-299178-S18875031892008092200000) .
2. Remove the engine sight shield. Refer to «Positive Crankcase Ventilation Hose/Pipe/Tube Replacement»(ref-299183-S36852367182008092200000) .
3. Remove the air cleaner resonator outlet duct. Refer to «Air Cleaner Resonator Outlet Duct Replacement»(ref-299142-S39860654132008092200000) .
4. Reposition the coolant air bleed hose clamp at the throttle body.
5. Remove the coolant air bleed hose from the throttle body.
6. Reposition the hose clamp at the pipe.
7. Remove the coolant air bleed hose (1) from the pipe (2).
8. Remove the coolant air bleed hose from the vehicle.

1. Install the coolant air bleed hose (1) to the pipe (2).
2. Position the hose clamp at the pipe.
3. Install the coolant air bleed hose to the throttle body.
4. Position the coolant air bleed hose clamp at the throttle body.
5. Install the air cleaner resonator outlet duct. Refer to «Air Cleaner Resonator Outlet Duct Replacement»(ref-299142-S39860654132008092200000) .
6. Install the engine sight shield. Refer to «Positive Crankcase Ventilation Hose/Pipe/Tube Replacement»(ref-299183-S36852367182008092200000) .
7. Add engine coolant, if necessary.

1. Drain the cooling system. Refer to «Cooling System Draining and Filling (Static Fill)»(ref-299178-S18372770872008092200000) or «Cooling System Draining and Filling (Vac-N-Fill)»(ref-299178-S18875031892008092200000) .
2. Loosen the air cleaner outlet duct clamps at the following locations: Throttle body Mass airflow (MAF) intake air temperature (IAT) sensor
3. Remove the radiator inlet hose clip from the outlet duct.
4. Remove the air cleaner outlet duct.
5. Remove the radiator vent inlet hose from the radiator hose clips.
6. Reposition the inlet hose clamp at the water pump.
7. Remove the inlet hose from the water pump.
8. Remove the fan blade. Refer to «Engine Cooling Fan Replacement»(ref-299178-S04860373932008092200000) .
9. Remove the accessory drive belt. Refer to «Drive Belt Replacement - Accessory»(ref-299183-S05068737182008092200000) .
10. Reposition the outlet hose clamp at the water pump.
11. Remove the outlet hose from the water pump.
12. Reposition the surge tank outlet hose clamp at the water pump.
13. Remove the surge tank outlet hose from the water pump.
14. Reposition the heater inlet hose clamp at the water pump.
15. Remove the heater inlet hose from the water pump.
16. Remove the water pump bolts.
17. Remove the water pump and gaskets.
18. Discard the water pump gaskets.

1. Install the water pump and NEW gaskets.
2. Install the water pump bolts. Tighten: Tighten the water pump bolts a first pass to 15 N.m (11 lb ft). Tighten the water pump bolts a final pass to 30 N.m (22 lb ft).
3. Install the heater inlet hose to the water pump.
4. Position the heater inlet hose clamp at the water pump.
5. Install the surge tank outlet hose to the water pump.
6. Position the surge tank outlet hose clamp at the water pump.
7. Install the outlet hose to the water pump.
8. Position the outlet hose clamp at the water pump.
9. Install the accessory drive belt. Refer to «Drive Belt Replacement - Accessory»(ref-299183-S05068737182008092200000) .
10. Install the fan blade. Refer to «Engine Cooling Fan Replacement»(ref-299178-S04860373932008092200000) .
11. Install the inlet hose to the water pump.
12. Position the inlet hose clamp at the water pump.
13. Install the engine vent inlet hose to the radiator hose clips.
14. Install the air cleaner outlet duct.
15. Install the radiator inlet hose clip to the outlet duct.
16. Tighten the air cleaner outlet duct clamps at the following locations: Throttle body MAF/IAT sensor Tighten: Tighten the air cleaner outlet duct clamp screws to 7 N.m (62 lb in).
17. Fill the cooling system. Refer to «Cooling System Draining and Filling (Static Fill)»(ref-299178-S18372770872008092200000) or «Cooling System Draining and Filling (Vac-N-Fill)»(ref-299178-S18875031892008092200000) .

Scheme 3

1. Remove the radiator air baffle retainers.
2. Remove the radiator air baffles (1) from the vehicle (2).

1. Install the radiator air baffles (1) to the vehicle (2).
2. Install the radiator air baffle retainers.

Dealer Installation Only

1. Drain the cooling system/engine block. Refer to «Cooling System Draining and Filling (Static Fill)»(ref-299178-S18372770872008092200000) or «Cooling System Draining and Filling (Vac-N-Fill)»(ref-299178-S18875031892008092200000) .
2. Raise and suitably support the vehicle. Refer to «Lifting and Jacking the Vehicle»(ref-299137-S12533882312008092200000) .
3. Remove the oil cooler hose bracket bolt (1).
4. Remove the oil cooler hose adapter bolts (2).
5. Remove and discard the oil cooler hose adapter gasket.
6. Position the oil cooler hose adapter end out of the way.
7. Install the coolant heater in place of the drain plug. Tighten: Tighten the coolant heater to 50 N.m (37 lb ft).
8. Push the engine coolant heater cord electrical connector (2) firmly into the coolant heater (1).
9. Place the cord into position.
10. Install the heater cord bolt and retainer. Tighten: Tighten the heater cord bolt to 8 N.m (71 lb in).
11. Position the oil cooler hose adapter.
12. Install a NEW oil cooler hose adapter gasket.
13. Install the oil cooler hose adapter bolts (2). Tighten: Tighten the oil cooler hose adapter bolts to 12 N.m (106 lb in).
14. Install the oil cooler hose bracket bolt (1). Tighten: Tighten the oil cooler hose bracket bolt to 25 N.m (18 lb ft).
15. Lower the vehicle.
16. Fill the cooling system/engine block. Refer to «Cooling System Draining and Filling (Static Fill)»(ref-299178-S18372770872008092200000) or «Cooling System Draining and Filling (Vac-N-Fill)»(ref-299178-S18875031892008092200000) .

1. Raise and suitably support the vehicle. Refer to «Lifting and Jacking the Vehicle»(ref-299137-S12533882312008092200000) .
2. Disconnect the coolant heater electrical connector (2).
3. Remove the coolant heater cord retainer and bolts.
4. Remove the coolant heater cord.

Note. The heater cord must not touch the engine, hot pipes, manifold, or any moving parts. Route the cord to the left front of the engine compartment securing with tie straps as necessary to prevent damage.

1. Install the coolant heater cord.
2. Install the coolant heater cord bolts and retainer. Tighten: Tighten the coolant heater cord bolts to 8 N.m (71 lb in).
3. Connect the coolant heater electrical connector (2).
4. Lower the vehicle.