Question about 2000 Pontiac Grand Am GT

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There are 3 hoses coming from the surge unit. The 2 on the right are clamped and connect to something. The one on the left coming directly behind the cap does not have a clamp on it and it doesn't connect to anything. Is it supposed to? I just replaced a heater hose and now the antifreeze is coming out of this tubing. Can't figure it out. Can you help? This is a 2000 pontiac grandam GT - 6 cyld. Thank you.

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  • Pontiac Master
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THE ONE INCH HOSE CONNECT TO LOWER SIDE RADIATOR YOU HAVE ONE SMALL HOSE FROM SURGE TANK GOES TO TOP RADIATOR NEAR AC CONDENSOR.LOOK AT TOP RADIATOR YOU WILL SEE SMALL TUBE STICKING OUT OF RADIATOR FOR SMALL SURGE HOSE.THE OTHER SURGE HOSE CONNECT TO A SMALL METAL TUBE THAT SCREWS IN THE THERMOSTAT HOUSING.

Posted on Mar 14, 2011

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How do you get to the hoses to the heater core


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There are 3 hoses coming from the surge tank. The 2 on the right are clamped and connect to something. The one on the left coming directly behind the cap does not have a clamp on it and it doesn't connect...


If it's too full it'll come out of this hose as it's the overpressure release hose on cars with out a surge tank this hose used to connecto a resicoir. you need to bleed the cooling system so all the air is out of the system and then it'll not blow over as your describing, I usally find the highest hose connection and disconnect it and pour coolant mix into it. and hold the other connector till I can jam the hose back on and tighten it back. on the therostae houseing on some models theirs a bleeder bolt on it that can be loosenened to let the air out and keep adding till it flows out with out bubbleing. I have a tool thats a funnell that connects where the cap goes on and can be bought at most auto parts stores for 10 bucks. You over fill this funnel with coolant mix and run the engine till its all done bubbling and put in the plug that comes with it and set it aside and put the cap on and your done.

Mar 14, 2011 | 2000 Pontiac Grand Am GT

1 Answer

About how long will it take to replace the radiator?


About 2.5 hours

Hope this helps, it it does please leave feedback and vote Thank You and Good Luck

  • Tools Required
  • J 38185 Hose Clamp Pliers
Removal Procedure

110563917

Caution: Before servicing any electrical component, the ignition key must be in the OFF or LOCK position and all electrical loads must be OFF, unless instructed otherwise in these procedures. If a tool or equipment could easily come in contact with a live exposed electrical terminal, also disconnect the negative battery cable. Failure to follow these precautions may cause personal injury and/or damage to the vehicle or its components.


  1. Remove the battery.
  2. Remove the air cleaner assembly.
  3. Drain the cooling system.
  4. Remove the right and the left engine mount struts. Refer to the following procedures:
    • Engine Mount Strut Replacement - Right
    • Engine Mount Strut Replacement - Left
    • Engine Mount Strut Replacement - Right
    • Engine Mount Strut Replacement - Left
  1. Use J 38185 to remove the inlet hose clamp from the radiator.
  2. Remove the inlet hose from the radiator.
  3. Remove the transmission oil cooler lines from the retainer clip at the bottom of the cooling fan shroud.
110563918


  1. Remove the bolt that connects the fan shroud to the condenser hold down bracket.
110563919


  1. Remove the cooling fan shroud bolts.
  2. Remove the coolant reservoir hose from the radiator overflow neck.
110563920


  1. Remove the radiator upper support brackets and bolts that connect to the fan shroud.
  2. Disconnect the engine cooling fan motors electrical connector.
  3. Remove the cooling fan motors electrical harness from the fan shroud clips.
  4. Remove the cooling fan shroud.
  5. Remove the bolt from the condenser tube support bracket to the radiator.
  6. Use J 38185to remove the outlet hose clamp from the radiator.
  7. Remove the outlet hose from the radiator.
  8. Disconnect the transaxle oil cooler pipes from the radiator.
  9. Tilt the top of the radiator rearward.
110564721


  1. Remove the condenser hold down bracket (1) from the radiator.
  2. Remove the air deflectors from the top of the radiator.
  3. Lift the condenser from the mounting tabs on the radiator (2). Position the condenser aside.
  4. Remove the radiator.

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Water Pump Replacement (4.8L, 5.3L and 6.0L Engines)
Removal Procedure
1. Drain the cooling system.
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 Throttle body
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12. Remove the outlet hose from the water pump.
13. Reposition the surge tank outlet hose clamp at the water pump.
14. Remove the surge tank outlet hose from the water pump.
15. Reposition the heater inlet hose clamp at the water pump.
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Installation Procedure Important: All gaskets surfaces are to be free of oil or other foreign material
during assembly.
1. Install the water pump and NEW gaskets
2. Install the water pump bolts.
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Zoom Sized for Print
Notice: Refer to Fastener Notice in Service and Precautions.
2.1. Tighten the bolts a first pass to 15 Nm (11 ft. lbs.).
2.2. Tighten the bolts a final pass to 30 Nm (22 ft. lbs.).
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.
10. Install the fan blade.
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.
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Important: Align the arrow at the throttle body end of the duct with the throttle
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15. Install the air cleaner outlet duct
16. Install the radiator inlet hose clip to the outlet duct.
17. Tighten the air cleaner outlet duct clamps at these locations:
 Throttle body
 MAF/IAT sensor Tighten the clamps to 7 Nm (62 inch lbs.).
18. Fill the cooling system.

I hope this helps. The numbering is incorrect in the sequence but the instructions are correct.

Roy

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