The douse pump is the love of the Pontiac Bonneville's cooling transaction, circulating the coolant. Deliberate damage can be done to the engine of your Pontiac Bonneville by not changing away a defective drench pump.
Instructions
3.8L VIN One Bonneville Engine
1. Abode a withdraw pan underneath the radiator. When the engine is air-conditioned, void the cooling process from the radiator into the pan.
2. Bedding your vehicle with a jack under the automobile or with another engine advice fixture.
3. Disconnect the con battery cable and remove the air-conditioning compressor splash shield along with the supercharger with the trimming operate belts.
4. Remove the coil pack, provided relevant, the front engine mount with the bracket, the supercharger sash tensioner, the power-steering pump and the loafer pulley.
5. Loosen and remove the bolts attached to the irrigate pump and the H2O pump pulley. Remove these two items from the engine.
6. Install the inexperienced aqua pump, placing a bit of bead sealer encircling the gone borderline of the pump.15. Remove the water pump bolts and the water pump.16.
Attach the irrigate pump pulley, tightening the bolts to One hundred fifteen inch pounds (13 Nm).
9. Reattach the engine mount bracket, tightening the follower that is positioned the succeeding to the air-conditioning compressor to Thirty three foot pounds (45 Nm) and all others to Fifty eight foot pounds (78 Nm).
10. Reinstall the loafer pulley, tightening the bolts to Thirty seven foot pounds, the power-steering pump, tightening the bolts to Twenty foot pounds (27 Nm), the front engine mount, tightening the bolts to Fifty eight foot pounds (78 Nm), the Supercharger region tensioner, tightening the bolts to Thirty seven foot pounds (50 Nm) and the ignition coil pack meeting, tightening the nuts to Seventy two inch pounds (8 Nm).
11. Reattach all other components in the line they were removed and reattach the detrimental battery cable. Refill the cooling method and evaluation for leaks.
3.8L VIN K Bonneville Engine
12. District a bleed pan underneath the radiator. When the engine is coldish, void the cooling method from the radiator into the pan and disconnect the adverse battery cable.
13. Remove the finery guide zone and disconnect the coolant hoses from the water pump.
14. Loosen and remove the water pump pulley bolts and remove the pulley. Align the bolt head of the long bolt up with the hole in the frame rail to remove it.
Extremely attach a latest gasket to the dilute pump.7. Tighten the great bathe pump bolts to Twenty two foot pounds (30 Nm), and the short douse pump bolts to Eleven foot pounds (15 Nm).8.
Squeeze some sealer around the outer edge of the water pump and install the pump with a new gasket into the engine, tightening the long bolts to Twenty two foot pounds (30 Nm) and the short bolts to Eleven foot pounds (15 Nm).
17.Reinstall the water pump pulley, tightening the bolts to One hundred fifteen inch pounds(13 Nm) and reattach all other components in the reverse order in which they were removed.
18. Refill the cooling system and reattach the negative battery cables. Start the engine and check for leaks when the engine reaches normal operating temperatures.
4.6L Bonneville Engine
19.24. Remove the support plate that is on the water-housing crossover and remove the seal.25.
21. Remove the thermostat housing from the radiator outlet hose and take out the water pump cover bolts along with the cover.
22. Take the heater return hose out of the engine, along with the water housing crossover support plate.
23. Remove the water pump locking ears and to disconnect the housing from the water pump. Use tool Part Number J Three hundred eighty eight 16-A to do this.
Place a drain pan underneath the radiator. When the engine is cool, drain the cooling system from the radiator into the pan and disconnect the negative battery cable.20. Take out the upper filler panel, the secondary air-injection control valve, the air cleaner assembly, the oil level indicator tube nut, the water pump belt shield fasteners along with the shield and the water pump drive belt.
Loosen and remove the water pump bolts and take out the pump.
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Replace the seal to the recessed part of the water crossover.
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Insert all components in the reverse order in which they were removed. Tighten the water pump bolts to Seventy four foot pounds (100 Nm), the water pump cover bolts to Eighty nine inch pounds (10 Nm), and the water pump shield fastener to Ninety eight inch pounds (10 Nm).
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Refill the cooling system and reattach the negative battery cables. Start the engine and check for leaks when the engine reaches normal operating temperatures.
