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How to replace thermostat in 2002 buick century 3.1

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

ZJLimited
  • 17970 Answers

SOURCE: : where is the thermostat located on a 2002 buick

For 2002 Buick Century 3.1L SFI OHV 6cyl

zjlimited_444.jpg

Fig. The thermostat on this 3.1L is mounted horizontally and uses an offset housing/water outlet

  1. Disconnect the negative battery cable.
  2. Partially drain the cooling system into a suitable container, to a level below the thermostat.
  3. It is usually possible to leave the radiator hose attached and simply remove the thermostat housing (also called a water outlet) and flex the radiator hose enough to service the thermostat. It is good practice, however, to remove the radiator hose so the thermostat housing can be given a thorough cleaning. Debris on the thermostat housing sealing surface can cause leaks.
  4. Some applications may have electrical connections to sensors which mount in the thermostat housing. Use care when detaching these connectors.
  5. Unfasten the thermostat housing bolts and remove the housing.
  6. Remove the thermostat by simply pulling out. Discard the gasket.
To install:
  1. Clean all parts well. Make sure the sealing surfaces on both the thermostat housing gasket flange and the intake manifold are clean and free of corrosion damage. It is good practice to run a thread cutting tap or a clean bolt into the threaded holes in the manifold to clean out old sealer and dirt. The threads should be clean so the thermostat cover clamps the gasket evenly at assembly.
  2. Position the thermostat in the intake manifold. Make sure it is seated.
  3. Position a new gasket over the thermostat. If no gasket is used, apply a 0.125 in. (3mm) bead of RTV sealer to the thermostat housing and install the housing. Lightly lubricate the bolts with clean engine oil. Torque to 18-20 ft. lbs. (23-27 Nm).
  4. If removed, attach the radiator hose to the thermostat housing.
  5. Refill the engine with the proper mix of DEX-COOL®and water. Connect the negative battery cable, start the engine and check for leaks.

Good luck (remember to rate this answer).

Posted on Jan 11, 2011

jeffk14
  • 16 Answers

SOURCE: how to replace a coolant level sensor, 2000 buick century

TRY THIS. Good luck!

Posted on Nov 22, 2008

johnny5846
  • 379 Answers

SOURCE: 1999 Buick Century thermostat question.

patience , and a 13 MM wrench , you gotta get your arms in there deep , that lower bolt does not need to come all the way off , the thermostat housing has a slot at the bottom for easier access , loosen it about 3.4 of the way and you can get the housing out , experience says a premium thermostat will give you grief trying to reinstall , get a regular duty thermostat .reverse procedure.

Posted on Jan 02, 2009

Papa Chan
  • 56 Answers

SOURCE: how to replace a coolant level sensor, 2000 buick century

The coolant level sensor is located on the radiator. If you are looking at the engine from the front of the car it will be on the left side. There will some kind of clip holding it in the radiator. Removed the clip and pull the sensor out. You will lose coolant so try to swap it out quick or drain some of the coolant out. Once new sensor is installed, install clip to keep the sensor in place and reconnect the wires to the sensor. Crank the engine and make sure the coolant level is full. This should correct your problem.

Posted on Jan 04, 2009

  • 1986 Answers

SOURCE: How do I replace broken 2002 buick century passenger side mirror?

On the inside trim, you can remove screws that are by the door handle, arm rest, under door and side of door and then gently pull back on the panel as there will also be retaining clips attached and you don't want to break them. You'll need to lift the door panel upwards in order to get it off the window ledge. Then you'll need to manipulate the panel and disconnect the door handle linkage from the door handle and disconnect the wiring for your controls. Then you can access the bolts that secure the mirror onto the door

Posted on Sep 29, 2009

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1 Answer

I have a 2002 Buick Century and having problems with the engine running hot during city driving. The questionis what is the correct operation of the two cooling fans.


The fans are controlled by thermostats. So is the radiator. You should consider replacing all the thermostats on the car.

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I Can Not Find The Thermostat On My 1998 Buick Century. Any Suggestions?


Locate the upper radiator hose. Follow it to the engine. Before it meets the engine, you'll notice that its clamped to a metal housing, usually mounted with 3 ten-millimeter bolts. This is the thermostat housing. Remove when engine is cool. Thermostat is inside. Remove old thermostat and replace ensuring the rubber o-ring aroung the outside of the thermostat if equipped. Good luck.

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How long should it take to replace a thermostat on a buick centry 2002 3.6L


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Jul 16, 2011 | 2002 Buick Century

1 Answer

I want to inspect the condition of the thermostat of 2002 Buick century, where is it, and what should I look for ?


Are you having a problem with overheating? Thermostats generally are either good or bad. not much in between. A visual inspection will tell you nothing. Replacement thermostats for this car are relatively cheap (<$15) but to replace it can be quite involved for someone that had not done this. I would suggest you take a drive to your local public library and chcek out a Chilton's or Motor's repair manual for your particular vehicle. BUT.... before doing all this, I have to ask why you think it needs inspection???

Oct 10, 2010 | 2002 Buick Century

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How to repair a 3 inch crack in the rear bumper of a 2002 buick century. Damage was caused by a rear end accident.


Those are esier to replace the entire bumper than repair, Ebay sells new shells for 165.00

Jun 09, 2010 | 2002 Buick Century

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How to change a thermostat on a 95 buick century 6c


follow your top radiator hose to top of the engine, where it hooks up with a hose clamp. under that metal housing is your thermostat! usually 2 or 3 bolts you remove , then lift off the metal housing and take out your old thermostat and remove the old gasket with a razor blade.. install your new thermostat and gasket and away you go!! richie

Nov 03, 2009 | 1995 Buick Century

1 Answer

I need to replace the thermostat on my 01 buick century what do i have to remove


Drain about 1/4 of your radiator fluid into pan with petcock under radiator. Then follow upper radiator hose and it will lead directly to the thermostat housing. It should have about 3 bolts on it. Just pull off hose, then housing. Thermostat will pull right out. You may or may not get a gasket with new one. If not, you can use RTV silicone for $3-4 and spread a thin layer of silicone around between housing and surface, then reconnect everything. Let dry for couple hours, refill radiator while veheicle is running and make sure thermostat opens. When open, coolant level will drop and you should add more til full. Then your done.

Oct 06, 2009 | 2002 Buick Century

1 Answer

Thermostat sticks


well it depends on your mechanical abilities on the difficulty scale i wouldnt consider it to hard it is under the throttle body you can get to it with out taking that off but trust me you want to take it off and if i were you replace the sensor as well your right there mine went about 2000 miles later its cheap or just follow the line that comes off your radiator on the drivers side it is in the aluminum housing right at the end of that line that bolts to the block

May 17, 2009 | 2002 Buick Century

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