Question about 2002 Pontiac Sunfire

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Were the thermastad is on the engine - 2002 Pontiac Sunfire

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Follow the upper radiator hose from the radiator to where it connects to the motor. The thermostat is located under the housing where that hose connects. Remove the hose and then remove the housing. Make sure you clean the old gasket off completely and install a new one when you replace the thermostat.

Posted on Aug 21, 2010

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My 1998 Lincoln runs hot while driving ok while parked just changed thermastad


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Click the link below: -------


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These details will help.

Thanks.

Nov 28, 2012 | 1999 Acura CL

1 Answer

1999gmcjimmy diagram for vacuum hose


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Engine vacuum schematic-1994 4.3L (VIN Z) engines, California models with a M/T (Code TDK)


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Engine vacuum schematic-1994 4.3L (VIN Z) engines, California models with M/T (Code TLM)


zjlimited_1709.jpg

Engine vacuum schematic-1994 4.3L (VIN Z) engines, California models (Code TFL)


zjlimited_1710.jpg

Engine vacuum schematic-1994 4.3L (VIN Z) engines (Code TFN)


zjlimited_1711.jpg

Engine vacuum schematic-1994 4.3L (VIN Z) engines, California models with M/T (Code TCY)


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Engine vacuum schematic-1994 4.3L (VIN Z) engines (Code TCU)


Hope helps, keep us updated and remember to rate this answer.








Aug 10, 2011 | 1998 GMC Jimmy

1 Answer

I have a 1.4 Chico 2001 model. I have replaced the thermastad and the gasket but the car still overheats, it seems like the fan does not switch on. Please help


Ok........before replacing the thermostat, I would have run the car for 15-20 minutes, then turned the engine offf.......then feel the top and bottom radiator hoses.....if they are the same, and the fan did not come on, then this would be the fault........however, if the top was boiling hot and the bottom was cold this would indicate a faulty thermostat...........

Next step, as the thermostat is new.......run this test again and if the hoses are different temperatures, then this might indicate a blocked radiator......BUT more info required....is the temperature gauge going past half way ?????

May 27, 2011 | 1999 Volkswagen Golf

1 Answer

Trouble locating cooling sensor on 2003 gmc envoy


4.2L Engine To Remove:
  1. Disconnect the negative battery cable from the battery.
  2. Drain the coolant from the engine.
  3. Disconnect the engine coolant temperature (ECT) sensor connector. Engine coolant temperature sensor removal and installation gm-04-42-1509.gif

  4. Remove the engine coolant temperature (ECT) sensor from the engine.
To Install:
  1. Apply thread sealer P/N 12346004 or equivalent to the engine coolant temperature (ECT) sensor threads.
  2. Install the engine coolant temperature (ECT) sensor into the engine. Torque the sensor to 12 ft-lb (16 Nm).
  3. Connect the engine coolant temperature (ECT) sensor connector.
  4. Refill the engine with coolant.
  5. Connect the negative battery cable to the battery.
5.3L & 6.0L Engines To Remove:
  1. Drain the coolant from the engine.
  2. Disconnect the engine coolant temperature (ECT) sensor connector. Engine coolant temperature sensor removal and installation removeect.gif

  3. Remove the engine coolant temperature (ECT) sensor from the left cylinder head.
To Install:
  1. Apply thread sealer P/N 12346004 or equivalent to the engine coolant temperature (ECT) sensor threads.
  2. Install the engine coolant temperature (ECT) sensor into the left cylinder head. Torque the sensor to 15 ft-lb (20 Nm).
  3. Connect the engine coolant temperature (ECT) sensor connector.
  4. Refill the engine with coolant.

Jul 08, 2010 | 2003 GMC Envoy

1 Answer

I have a 1987 murcury sable heater is cold changed thermastad flushed sytem header coil not pluged the control arm is opening and shutting for hot heat and cold what?


First, with the engine running, squeeze your upper rad hose to try and close it off for a few seconds. When you release it, if your water pump is functioning properly, you should feel a surge of coolant go through it. If that is okay, try loosening one of your heater hoses with the engine running, and see if you can get any air to come out. Sometimes... quite often, in fact, the heater core will become air locked and not allow any coolant into it.

Dec 16, 2009 | 1987 Mercury Sable

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