Question about 1992 GMC Sonoma

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I have a 92 gmc sonoma with a 4.3.v-6 we have replaced the water pump,the thomerstat 3 times had the intake gasket replaced and changed the hoses changed the temp.sensors and the gauge said that it is running hot it shows it to be at 260 degrees when it is setting there running and the old sensor would move a little above 100 degrees

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  • Anne Green May 29, 2011

    does anyone else have any ideals about what may be wrong with it

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  • Master
  • 1,190 Answers

Hello: You can do the following, Get a infrared temp sensor and check the temperature of the radiator and if it shows hot then remove the radiator and take it to a radiator shop and have it flow checked. If its not flowing properly that would make it run hot.

Posted on May 29, 2011

  • 1 more comment 
  • Anne Green May 29, 2011

    where do you get the infrared temp sensor at

  • Anne Green May 29, 2011

    where do you get the infrared temp sensor at

  • Darryl Kazemba
    Darryl Kazemba May 30, 2011

    Auto Zone, NAPA Auto Store o0r any other quality auto parts supplier, Northern tool

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Water Pump Replacement (4.8L, 5.3L and 6.0L Engines)
Removal Procedure
1. Drain the cooling system.
2. Loosen the air cleaner outlet duct clamps at these locations:
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 Mass Airflow/Intake Air Temperature (MAF/IAT) sensor
3. Remove the radiator inlet hose clip from the outlet duct.
4. Remove the air cleaner outlet duct.
5. If necessary, remove the engine sight shield.
6. Remove the radiator vent inlet hose from the radiator hose clips.
7. Reposition the inlet hose clamp at the water pump.
8. Remove the inlet hose from the water pump.
9. Remove the fan blade.
11. Reposition the outlet hose clamp at the water pump.
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.
16. Remove the heater inlet hose from the water pump.
17. Remove the water pump bolts.
18. Remove the water pump and gaskets.
19. Discard the water pump gaskets
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.
3. Install the heater inlet hose to the water pump.
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.
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14. If necessary, install the engine sight shield.
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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.

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1 Answer

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Tools Required
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Install the water pump mounting bolts.
Tighten
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Install the water pump pulley.
Install the water pump pulley bolts.
Tighten
Tighten the water pump pulley bolts to 25 N·m (18 lb ft).
Install the drive belt. Refer to Drive Belt Replacement in Engine Mechanical - 4.3L.
Install the fan clutch assembly.
Fill the radiator cooling system. Refer to Draining and Filling Cooling System .
Inspect the cooling system for leaks.

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1 Answer

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Hi there:

Ok 8th digit is a 4, that means you have a 2.2L engine. you will find your water pump located on the drivers side of the block just below the cylinder head. It is driven by a belt so it has a pully on the front of it that kind of hides it. there is no hoses attached to it as it pumps the coolant through the block.

Hope this helps.
Farrout!

Mar 17, 2009 | 1995 GMC Sonoma

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