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Coolant Temperature Sensor

 
Post new topic   Reply to topic    NAIOA Impala Forums Forum Index -> 2000-2005 Engine, Exhaust and Transmission
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dpenix
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PostPosted: Mon Jan 07, 2013 2:03 pm    Post subject:  Coolant Temperature Sensor Reply with quote

Can the coolant temperature sensor be replaced without removing the exhaust manafold?
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Frank
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PostPosted: Mon Jan 07, 2013 2:06 pm    Post subject:   Reply with quote

3.8L - you mean the exhaust crossover? Yes, although it's so tight you can't get a socket on it.

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dpenix
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PostPosted: Mon Jan 07, 2013 2:36 pm    Post subject:  Coolant Temperature sensor Reply with quote

Hey, thanks for the reply!! It is the crossover exhaust....just thought there might be a trick to remove the sensor without removing the crossover. Is removing the crossover any problem - any tips I should be aware of? THANKS
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Frank
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PostPosted: Mon Jan 07, 2013 6:25 pm    Post subject:   Reply with quote

It's been at least eight years since I have torn mine apart, but disconnecting the top radiator hose and taking off the elbow right about the thermostat housing definitely helps with clearance, and possibly removing the air tube for the intake. I think you can get on it with a ratcheting box wrench, otherwise it's really a turn-a-little-bit-at-a-time deal.

If you are replacing it for a code or intermittent operation, make sure the exhaust crossover has not melted the insulation off the harness that comes out of the sensor...the wires can short together and cause issues.

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dpenix
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PostPosted: Tue Jan 08, 2013 9:54 am    Post subject:  Coolant Temperature Sensor Reply with quote

Thanks Frank for your help!
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ZSPOT
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2001 Chevrolet Impala
2004 Ford Mustang
1981 Chevrolet Silverado
2007 Chevrolet Silverado


PostPosted: Tue Jan 08, 2013 12:48 pm    Post subject:   Reply with quote

It's definetly doable without removing the crossover pipe. Being a 2000 model, you will more than likely break a stud at the rear when trying to remove them. Then you have another problem,... drilling those out. LOL It's been a few years, but pretty sure I did with a couple swivels, couple extenstions, and deep well socket.

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