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Astro 1985-2005
Chevy's first entry into the minivan class, offered in All Wheel Drive to add to its versatility.
Platform: M-Body

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  #1  
Old 09-04-2008, 06:42 AM
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Default location of temeperature sensor

[sm=badbadbad.gif]TRYING TO LOCATE TEMPERATURE SENSOR ON THIS , COULD NOT GET MANUAL FROM AUTOZONE WEBSITE, ANY ONE KNOWS, PL. HELP
THANKS IN ADVANCE !!!!
sorry, it is tear 1997, is there any other temperature sensor like air intake etc. other than Coolant Temp Sensor?

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Old 09-05-2008, 07:08 AM
 
Join Date: May 2008
Posts: 88
Default RE: location of temeperature sensor

You did'nt mention which year and engine.see below this is for 4.3 this may help.




[/align]
[hr]
[/align]Engine Coolant Temperature Sensor Replacement [/align]
Removal Procedure
Notice:Use care when handling the coolant sensor. Damage to the coolant sensor will affect the operation of the fuel control system.
[ol]Caution:Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.
Disconnect the negative battery cable.



Disconnect the IAT and MAF sensor harness connectors.



Remove the air cleaner cover by releasing the retainer clips.



Remove the air intake tube and MAF sensor by loosening the hose clamp.
Move the air inlet tube aside.



Caution:To avoid being burned, do not remove the radiator cap or surge tank cap while the engine is hot. The cooling system will release scalding fluid and steam under pressure if radiator cap or surge tank cap is removed while the engine and radiator are still hot.
Relieve the coolant pressure.
Drain the cooling system below the level of the sensor. Refer to Cooling System Draining and Filling in Engine Cooling.
Remove the radiator hose from the intake manifold by loosening the radiator hose clamp.



Disconnect the ECT sensor harness connector.



Remove the ECT sensor. [/ol]
Installation Procedure
[ol]Coat the ECT threads (only) with sealer P/N9985253 or equivalent.



Notice:Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.
Install the ECT sensor.
Tighten
Tighten the sensor to 20Nm (15lbft).



Connect the ECT sensor harness connector.



Connect the radiator hose.
Refill the cooling system. Refer to Draining and Filling Cooling System in Engine and Cooling.



Notice:Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.
Connect the air cleaner outlet and the MAF sensor.
Tighten
Tighten the hose clamp to 4Nm (30lbin).



Install the air cleaner cover.



Connect the IAT and MAF sensor harness connectors.
Connect the negative battery cable. [/ol][/align]. [/align]
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Old 09-08-2008, 06:53 AM
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Default RE: location of temeperature sensor


tHANKS,

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Old 09-16-2008, 06:35 AM
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Default RE: location of temeperature sensor

Thanks,

It is 1997 model, and again isthere any location that has similar temp sensor other than for Coolant?

Will be a great Help...
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  #5  
Old 09-16-2008, 08:54 AM
 
Join Date: May 2008
Posts: 88
Default RE: location of temeperature sensor

I can't see any similar sensor,any where near the engine.I have seen only fuel tank pressure sensor and MAP sensor both looks similar to me.

well this is the replacement procedure of your 1997 ECT Sensor

[/align]
Engine Coolant Temperature Sensor Replacement [/align]
Removal Procedure
Notice:Use care when handling the coolant sensor. Damage to the coolant sensor will affect the operation of the fuel control system.
[ol]Remove the negative battery cable.
Caution:Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.
Drain the cooling system below the level of the ECT sensor.
Refer to Engine Cooling.



Remove the electrical connector releasing locking tab.



Remove the ECT Sensor. [/ol]
Installation Procedure
[ol]



Install the ECT sensor to the engine.



Refill the coolant system.
Refer to Engine Cooling.
Connect the negative battery cable. [/ol][/align]And these are all related components to intake manifold

[hr]
[/align]

[/align]
Upper Engine View 2








(1)
Distributor

(2)
Intake Manifold Bolt (Lower)

(3)
Intake Manifold Gasket (Lower)

(4)
Intake Manifold

(5)
EGR Valve Gasket

(6)
EGR Valve

(7)
EGR Valve Bolt

(8)
Water Outlet Stud

(9)
Water Outlet

(10)
Engine Coolant Thermostat

(11)
Throttle Cable Bracket

(12)
Ignition Coil

(13)
EVAP Purge Solenoid Valve Bracket

(14)
Ignition Coil Stud[/align]Hope this may help,let me know if this doesn't.[/align]

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chevrolet, chevy, cobalt, connector, coolant, ect, engine, harness, install, location, replacement, sending, sensor, tahoe, temperature, unit

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