Question about 2000 Buick Century

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Car overheats changed themastat water pump hoses what size themastate should it have 180 or 160 or lower dont want to start unless you turn key 3 times and let fuel pump pump up presure then smells like gas and in ratior slimmy water flushed ratior 3 times sill slimmy and blabk smale round soft ball in water and off colored really cloudy gray and vary bad oder and started to smell inside car when being drove

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  • Dave  C
    Dave C May 11, 2010

    Which engine do you have, it sounds like you may have blown headgaskets? 195 is the correct t-stat.

  • Anonymous Mar 19, 2014

    smells like gas inside and out when starting and running car

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Sounds like oil in the water blown head gasket check oil to see if iy is same color as water

Posted on May 08, 2009

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I have a 1992 Buick regal that overheats at speeds of 40 mile n hour it has a new radiator, thermos stat, has been flushed an filled and bled have not changed the water pump when it overheats all of m


It is more than likely your water pump. Can you run it in park with the radiator cap off. The cap on the radiator not the overflow tank. When the temp opens the thermostat you should see flow if the pump is good no flow it is probably bad. If you don't see flow check the upper hose for temp and the lower hose. If the upper line is barely warm and the lower hose is significantly hotter, it is either water pump or thermostat, but since you replaced the thermostat I would be back to water pump. BTW you should use either a contact thermometer or an infrared to check hoses, although it was done by hand in the old days.

Feb 28, 2013 | 1992 Buick Regal

2 Answers

1988 b2200 is overheating--we've changed out the lower radiator hose, thermostat, and the upper hose is fine. Why is it overheating? Radiator, heat pump, or water pump?


!st check and make sure the water is flowing in the radiator, then check
the timeing, Mazda will run hot if the timeing is rong.

Jul 19, 2012 | 1988 Mazda B2200

1 Answer

1999 grand prix gt overheating. Changed thermostat, water pump, upper radiator hose. Please help!


does the upper and lower hoses seem to be the same temp when car begins to overheat? ore the radiator cooling fans coming on before the car overheats? did you pressure test the cooling system and radiator cap? also may want to remove the lower hose and flush the radiator. is the check engine light on and does it run bad?

Aug 03, 2011 | 1999 Pontiac Grand Prix

2 Answers

CAR OVERHEATS AT TIMES. I CAN DRIVE FEW MILES AND OKAY BUT IF I DRIVE LONGER GAUGE GOES TO H. WITHIN THE LAST TWO YEARS I REPLACED WATER PUMP AND THERMOSTAT AND HOSES. SOMEONE SAID THAT SINCE MY CAR SAT SO...


ok this is why we keep reciepts at our house. you have already bought everything you need to fix the problem. we just need to figure out what went wrong. lets start with the coolent level make sure you have plenty of coolent in the radiator. ok you hear the fans go on make sure they are turning. if thats good i would do the cheepest thing first. new thermostat make sure its the right one for your car the auto store can tell you. it could have seized up after sitting. also if you may want to look for that water pump reciept. just because something is new dosent mean that it works correctly, that goes for thermostat also. now if all of this doesent fix it there are 2 more things and it has to be one of them or both of them. [ important ]when you had this work done was the radiator flushed out and cleaned? if not- even if all these parts are changed you still have sludeg in your radiator that can go right into your new pump and clogg it or the thermostat or clogg the radiator itself whitch still may be a problem. i would start with a radiator flush AND a new thermostat. make sure you have fluid circulation if not its the pump again. i hope this gives you help REMEMBER NEVER WORK ON A HOTT CAR LET IT COOL COMPLETLY DOWN A SATURDAY MORNING PROJECT FOR SURE...

Jun 03, 2011 | 1992 Honda Accord

1 Answer

2005 Chevy Impala...all I did was change the lower radiator hose because it was leaking. Now the car overheats, the upper hose is hot and the lower hose is warm. Does this model have vapor lock issues or...


the lower radiator hose is a return hose and there are no vapor lock issues. If your coolant level is full when you start your vehicle and when it heats up and the system pressurizes your coolant expands with heat and then that excess pressure will go through the overflow outlet to the reservoir and the reservoir has a relief opening near the top to relieve pressure or for excess fluid to come out. If the lower hose is just warm then your water pump may not be circulating properly (be sure to check belt for tension no more than 1/2 inch of play should be present). One messy way to test water pump would be to first drain coolant if it is good to reuse it, then remove the lower hose, open the radiator cap and put a water hose in it and turn on half way. Look at the volume of water coming out and have someone start the vehicle and idle at about 2000 rpm if that volume has not doubled your pump is bad

Apr 28, 2011 | 2005 Chevrolet Impala

1 Answer

My car just started to note that I needed to check my coolant level ab out a week ago. I would pour coolant in, and it would leak out. I thought it might of been when the A/C was on, but it was leaking a...


There are a few connections ports that need to be checked. if you cannot find the leak at these places then that happens at the seal of the water pump. When the water pump seal is bad then time to replace the water pump. Why? it is the same labor for the job. Hope that you don't get overheat. This is happening when your water pump is not turning: broken bearings.

Therefore check these following connections first, sometimes the rubber hoses get deteriorated then the clamps need to be tightened to minimize the leak.
1- Upper hose connect to radiator.
2- Lower hose connect to bottom radiator and engine port that is water pump inlets
3- Over flow hose.
4- 2 Heater hoses coming to the fire walls.
Hope this can help.

Aug 14, 2010 | Cadillac DeVille Cars & Trucks

1 Answer

Overheating 2001 pontiac aztek


remove coolant.remove thermostat remove bottom radiator hose to water pump.put a empty container under the radiator.take a water hose put it where thermostat goes flush out the rust in block.watch the water as it come out the water pump .if stream water is small keep flushing until you get a study sream of clear water. also flush out radiator. lower water pressure dont flush radiator it with high water pressure you could burst it. make clean the over flow jug .make sure it not stopped up.put in a new thermostat and radiator pressure cap. fill radiator with half antifreeze and half water.bleed the coolant system.

Apr 05, 2009 | 2001 Pontiac Aztek

1 Answer

Car overheating


First, plastic tube may be the overflow vent from the coolant bottle.Check to see where the attached end goes. You are going to have to check engine for coolant leaks (carefully refill system without spilling anything, then look for dripping anywhere. Look for leaks from all hoses, fittings radiator, water pump etc) After checking for leaks, start it up and check again (watch where you put your hands though) While running, check that the fan comes on when the vehicle reaches operating temp.(no fan, check fan motor, sensor & relay) Turn the heat on (does it have heat?) Check temp of lower hose and upper hose. If overheat happens, is lower hose still cold? (likely bad thermostat). If you found a leak, replace whatever is leaking...best insurance is to change thermostat after any overheat. Last, is there any white smoke from tailpipe, does engine run rough? If so, could be a failed head gasket or crack in cylinder head. (at this point last thing to worry about unless there is excessive smoke or rough run or oil in radiator or coolant in oil).

Feb 24, 2009 | 1998 Oldsmobile Intrigue

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