Question about 2000 Oldsmobile Silhouette

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2000 olds sillouette van. over heating. replaced water pump. replaced thermostat. still acts like waterpump isn't pumping....or there is a clog somewhere....i have tried to bleed the lines while the van was running....the bleeder off the pump bled fine....but the bleeder on the otherside wouldn't bleed....is this a head gasket problem or do i need to have a positive pressure flush to insure no air bubbles or cavitation of the impellar? the heater does not work either. and the radiator is cold fans are not comming on as well.

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Try doing a flushing out the coolant system the factory 150k mile coolant is really not good once you flush it i recommend using the the regular green and not the dexcool

Posted on Apr 12, 2009

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1 Answer

Running hot


Remove thermostat and test it by dipping it in cold water ib an open pot. Heat the water on the stove while observing the thermostat. It shold opel just before the water boils. If it does check the radiator itself for clogging. Also fluch the engine water galleries.

Sep 27, 2012 | 2000 Chrysler Town & Country

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VDC Light stays on, then start to heats up


test the scanner and computer test for most effective result.
However see if fan/waterpump drive belt is slipping. Coolant is frozen
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Jul 25, 2012 | 2001 Subaru Outback

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My 2000 dodge caravan is overheating and my overflow tank is literally overflowing. I have no leaks in radiator or hoses. Could it be my waterpump or thermostat or just a clogged hose.


Yes, it could be a few issues, I always believe to go the cheapest route first, so you are not just replacing parts to be replacing, Based on your description, Normally it would not be overflowing if your pump is not working, It could be a clogged hose, you would have to flush system to see if that was the case, but based on my feeling, i believe it is a stuck thermostat, If your tank is overflowing, it would have to be a main hose block, but i don't believe that is the case, i would have thermostat replaced, to confirm that, for a around 50 bucks (if you stay away from dealer) you can have the radiator flushed, which is a good idea anyway, then you will know for sure it is the thermostat, and they can put that in after they flush it, or you can put thermostat in, pick there brain, when they flush it, and they can point where it is, it is just a couple of bolts to take off, clean gasket area, replace with new gasket, after of course taking old thermostat out and replacing with new one.

I hope this helps you, (again, i think it is thermostat that is stuck) thanks Mike from fixya
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Jul 23, 2011 | 2000 Dodge Caravan

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My van still shows sign off over heating according to my thermostat but recently replaced water pump and radiator


the 4.3 engine has a problem with leaking intake manifold gaskets. check for leakage behind the water pump. did you change the thermostat? This controls the engine temp. check for rusty radiator cap and replace if worn

Nov 06, 2010 | 1999 Chevrolet Astro

1 Answer

Car is overheating. Not sure if I should replace


If your car is leaking coolant from the water pump. Replace the water pump. If not replace thermostat first. It is the cheapest out of the 2.

Jun 07, 2010 | 2000 Nissan Maxima

1 Answer

Change water pump


1 disconect neg.battery cable 2 drain the cooling system 3 remove air intake tube from filter housing to throttle body 4 remove top half of fan shroud 5 remove the serpentine belt 6 use a strap wrench to prevent the waterpump pulley from turning while turning the fan clutch in the counterclockwise direction. 7 remove fan and set aside 8 remove belt tensioner 9 remove hoses from water pump 10 remove 6 bolts, 3 on either side and remove the water pump. 11 remove the thermostat housing from the old pump and install on the new one. 12 re assemble in reverse order. make sure the mating surface of the engine block where the pump bolts on is clean and free of old gasket material before installing new pump and gaskets. When assembled fill cooling system, start engine and let idle untill thermostat opens and engine reaches operating temp.KEEP WATER LEVEL FULL. After a test drive recheck the coolant level, and you are done.

Mar 14, 2010 | 2000 Chevrolet Silverado 1500

1 Answer

I have severe rattling sound coming from the area of my water pump on my 1993 Old Sillouette. When I put the vehicle in gear and drive it, the sound goes away but, when it idles the sound comes back. I...


because waterpump is not leaking doesnt mean its not noisey.could have bad bearing thats noisey. remove belt and spin by hand see if you haer any noise and see if loose.

Sep 27, 2009 | 1994 Oldsmobile 88

2 Answers

OVERHEATING


This could be a multitude of things:

Stuck closed thermostat.

Cooling fan not coming on.

Clogged radiator.

Low on coolant.

Water pump failing/leaking.

Head gasket blown, leaking exhaust into antifreeze.

Clogged catalytic converter.

Thermostat: If the Van heats up, then feel the upper radiator hose. If it's cold, then your thermostat is closed. Replace thermostat.

Coolant: If low, simply fill with distilled water and coolant. Low levels will let engine over heat.

Radiator: If there are cold-to-the-touch spots on the radiator after it should be warmed up, then a clogged is probably occuring. Have radiator flushed.

Head Gasket: If you smell exhaust fumes in your coolant reservois tank, then you got a blown head gasket.

Cat Converter: Only can be tested if off the car. Or you could try a non-contact thermometer. These are also good to testing cold spot on radiator or if thermostats are open.

Cooling fan: If mechanical it'll be spinning. If electrical, it should come on automatically with the A/C, or when it gets hot.

Water pump: Will be leaking from the front if it needs replaced. On a van, it's a tough job.

Good luck!

Feb 10, 2009 | 1995 Ford Econoline

2 Answers

2000 Dodge Durango


Have you checked your rad fans? Rad flow? Rad condition? Possible water pump problem if those check out good.

Sep 26, 2008 | 2000 Dodge Durango

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