Question about 1999 Chevrolet Lumina

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Where is the thermostat located on a1999 lumina v6?

Where is the thermostat located on a Chevy Lumina 1999 v6?

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  • Ot Tap
    Ot Tap Jun 13, 2012

    under the hood.

  • Anonymous Mar 14, 2014

    replace thermostat in 2001 chevy lumina

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Hi! **** here! V6 Chev's can't be much different to Small blocks can they? Follow your Top Hose from the Radiator to engine block, where it connects does a bubble, half domed aluminum casing appear? with possibly two securing nuts/bolts? If so YahOO! youv'e just found the illusive little blighter! Good Luck! Paul 'W' Onyer~EDson(:0) {#><U.K. Please rate my effort!

Posted on Jan 20, 2009

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  • Master
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Grab top radiator hose, and follow back to engine. The part the hose is clamped to is the thermostat housing.
Remove the hose, and 2 bolts for the housing and the thermostat is revealed.

Posted on Jan 20, 2009

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Posted on Jan 02, 2017

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1 Answer

I need the easiest possible directions to replace the coolant temperature sensor in my 1999 Chevy Lumina ltz 3.8 v6 car please.


The coolant sensor temperature is usually found just beneath the cylinder head, on the engine block.

You just disconnect the 1-2 wires and then undo it with a wrench.
The sensor will look like one of these:
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Just be aware .. you may have TWO such sensors on your vehicle.

One sensor (usually with 3-4 electrical pins) is near the thermostat and works in conjunction with other sensors to regulate fuel/air according to engine temperature.

The other type of sensor is in the block near the cylinder head. It sends a signal to the temperature gauge on your dashboard ONLY. If your temp gauge constantly reads too hot or too cold .. this one is the culprit.25939754-r0ibht2u2t2rhetbyfvb2pry-5-0.jpg
If it's a running fault .. speed .. rough running .. fuel. It may look like this:
25939754-r0ibht2u2t2rhetbyfvb2pry-5-1.jpg

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TRY THIS SITE ON YOUTUBE.
TYPE IN "removing 1999 Chevy 3.8 water pump at you tube"
step by step video. better than a detailed report.
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it seems to be on the bottom left front of front of the intake right below the thermostat. Good luck for you!
______________________
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1 Answer

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