Question about 2001 Buick Century

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Overheats with no water on ground. no water in oil. new thermostat has been installed.

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Check the fan make sure it is working

Posted on Dec 31, 2010

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Thermostat was replaced and water got into oil


Hi valerie, but changing the thermostat DID NOT caused the problem, there was a serious engine overheat that damaged the head to engine block gasket and possibly deformed the aluminum head too. To repair, head needs to be checked for flatness and resurfaced if needed, and a new head gasket needs to be bought and installed. Needs to be an EXACT replacement,a s there are variations. good luck.

You NEED to use proper coolant-antifreeze in the proper concentration and diluted with demineralized water, and keep an eye on engine temperaturas when driving. Possibly, a radiator and water pump check and fix is needed too. Amclaussen.

Jan 06, 2014 | 2005 Dodge Stratus

1 Answer

My 98 neon overheats when thermostat is installed


Check the electric fan for operation. Also check for a possible clogged system.

May 17, 2012 | 1998 Plymouth Neon

2 Answers

I have a bmw 328i 1996 and it overheats but my oil light comes on and soon after the car starts to try and cut of i changed spark plugs and new oil change........ wats wrong with my baby


Most likely a bad Thermostat or Water Pump. Replace the Thermostat, the cheapest part, and if it still overheats replace the water pump.

Jan 03, 2011 | 1997 BMW 328

1 Answer

My husband and I have mystery chronic overheating in our 96 Isuzu Trooper. The woman who sold it to us had a new radiator installed just prior to us buying the vehicle. Since then, we've installed a new...


ouch. leaking fluid and no signs of leak. check engine oil. if it appears milky, you are leaking into the cylinders. this means you'll need a new head gasket.

Sep 18, 2010 | 1995 Isuzu Trooper

1 Answer

How do you replace a thermostat on a 2002 toyota celica


Toyota Celica, Corolla, ECHO & MR2 1999-05Toyota Celica, Corolla, ECHO & MR2 1999-05

2002 Toyota Celica 1.8L MFI DOHC 4cyl


The thermostat is located in the water inlet housing that is connected to the lower radiator hose.
The thermostat is equipped with a by-pass valve. If the engine tends to overheat, removal of the thermostat would cause a decrease in cooling system efficiency.

CAUTION NEVER drain coolant directly onto the ground! NEVER open, service or drain the radiator or cooling system when hot; serious burns can occur from the steam and hot coolant. Also, when draining engine coolant, keep in mind that cats and dogs are attracted to ethylene glycol antifreeze and could drink any that is left in an uncovered container or in puddles on the ground. This will prove fatal in sufficient quantities. Always drain coolant into a sealable container. Coolant should be reused unless it is contaminated or is several years old.
d4c6b82.jpg

Fig. The oil filter must be removed to access the thermostat on the 5S-FE engine
  1. Position a suitable drain pan under the radiator drain **** and drain the cooling system.
  2. On the 7A-FE engine disconnect the engine coolant temperature switch harness from the water inlet housing.
de1afd5.jpg

Fig. Disconnect the engine coolant temperature switch wiring located on the side of the thermostat housing
  1. Remove the oil filter on 5S-FE engines.
  2. Loosen the hose clamp and disconnect the lower radiator hose from the water inlet housing.
d253a81.jpg

Fig. Loosen the radiator hose clamp ...

5746ade.jpg

Fig. ... then slide the hose off the thermostat housing
  1. Remove the two nuts from the water inlet housing and remove the housing from the water pump studs.
f78b0a7.jpg

Fig. Only two nuts hold the housing to the cylinder head

de736db.jpg

Fig. Pull the housing straight out to remove
  1. Remove the thermostat and rubber O-ring gasket from the water inlet housing.
f722bd2.jpg

Fig. Then pull the thermostat and gasket out

bd62248.jpg

Fig. Sometimes the gasket is stuck and has to be pried out of the head
To install:
  1. Make sure all the gasket surfaces are clean. Clean the inside of the inlet housing and the radiator hose connection with a rag.
  2. Install the new rubber O-ring gasket onto the thermostat. On 5S-FE engines, align the jiggle valve with the upper side of the stud bolt. Insert the thermostat into the housing.
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Fig. Only use the correct temperature range thermostat when for replacement

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Fig. Align the jiggle valve within a 10°gap of the stud bolt-7A-FE engine

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Fig. Align the jiggle valve within a 5°gap of the stud bolt-5S-FE engine
  1. Position the water inlet housing with the thermostat over the studs on the water pump and install the two nuts. Tighten the two nuts to 78-82 inch lbs. (9-10 Nm).
Don't forget to install a new O-ring onto the water inlet pipe. Apply soapy water to the O-ring prior to installation.
  1. Connect the lower radiator hose to the inlet housing and install the hose clamp.
  2. Attach the water temperature switch connector.
  3. Install the oil filter and check the oil level if removed.
  4. Fill the cooling system with a good brand of ethylene glycol based coolant.
  5. Start the engine and inspect for leaks.
  1. Remove the right hand cover under the engine.
  2. Drain the engine coolant.
  3. Remove the fan and generator V belt.
  4. Remove the generator assembly
  5. Remove the water inlet via the two nuts.
  6. Remove the thermostat.
To install:
  1. Install a new gasket onto the thermostat.
  2. Install the thermostat with the jiggle valve upward. It can be set within 10 degrees on either side of the prescribed position.
  3. Install the water inlet via the two nuts. Torque to 8 ft. lbs. (11 Nm).
  4. Install the generator assembly.
  5. Add engine coolant.
  6. Inspect for leaks.
  7. Replace the cover under the engine.
I hope help you with this (remember rated this help) Good luck.

Sep 29, 2009 | Toyota Celica Cars & Trucks

3 Answers

Overheating


If the water pump is bad it will be leaking antifreeze and you will see it dripping/running on the ground. Also, when water pumps go bad they will often...but not always...make a noise...sometimes a screeching sound. You did not mention it or that the water pump is leaking so I doubt if it is the problem. The thermostat can easily be the problem and if so is a very low cost item to replace...maybe less than ten bucks including the new gasket. Your boyfriend can install a new one easily. If that does not fix the problem of overheating then there can be many other ways the engine can be overheating. Look for a leak in the radiator. You did not mention it either so maybe that is not it.
Be sure to check all the other engine fluids...low oil...if none showing on the dipstick...can cause the engine to overheat. If you have not changed the oil and filter for the engine since forever then it is possible..but not probable...that sludge has accumulated to the point in the engine that it is overheating and even possibly causing the oil pump in the oil pan area to stop pumping oil as well as it should...but I actually doubt any of these. You could also have low transmission fluid that causes it to overheat and almost being ready to lock up causing the engine to work harder and overheating. There are many many possibilities...but the thermostat is the first thing I would do to fix it and then if it still is a problem start to look at the other areas.

Aug 21, 2009 | 1999 Chrysler Cirrus

1 Answer

Porsche boxster 1998 overheats very easily


it could be the thermostat has gone bad-does top hose get hot if no then likely bad thermostat, water pump is bad if pulley is wobbly it is bad, radiator is clogged with corrosion, look in rad when cold and if it is dirty or milky it needs flush and refill with new antifreeze

Jul 08, 2009 | 1998 Porsche Boxster

2 Answers

White coloured engine oil, overheating


White oil means water or coolant is leaking in via Head Gasket Failure or a crack in the head. Along with repair - be sure to have each cylinder compression tested to see if there is a crack that has developed. Thanks for using FixYa - a FixYa rating is appreciated for answering your FREE question.

Jun 09, 2009 | 1991 Toyota Pickup

1 Answer

Overheats


check the water pump and make sure the radiator is clean also check for clogs in the cooling tubes

Jul 29, 2008 | 1994 Buick LeSabre

2 Answers

Overheating on my 96 sl2


Check to see if the fan comes on.

May 29, 2008 | 1996 Saturn SL

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