Question about 2000 Pontiac Grand Am GT

2 Answers

My car is still over heating too extreme an we repaired the radiator,thermostat,water pump,an the resevoir.... an there aint no milkiy substance in my oil but, white smoke comes out tail gate lightly not heavy., an have to keep giving it water too cool it down. uts a 2000 grand am gt,v6 3400

Posted by on


2 Answers

  • Level 2:

    An expert who has achieved level 2 by getting 100 points


    An expert that got 5 achievements.

    Vice President:

    An expert whose answer got voted for 100 times.


    An expert whose answer got voted for 20 times.

  • Expert
  • 139 Answers

The symptoms you describe is most likely caused by a blown head gasket. The only time the oil will become milky white is when coolant enters the crankcase. It is possible for a head gasket to fail and not contaminate the oil. There are various ways to determine which bank has failed. The method I prefer is to remove all of the spark plugs but keep them in order, so you know which spark plug belongs to which cylinder. Examine them, spark plugs from a properly running engine should look almost identical. Take a look at this link, NGK how to read spark plugs faq, your spark plugs should look like the one in the first picture. The spark plug from the cylinder that is burn coolant will not look like any pictured in the link. It will look cleaner than the normal spark plug because the coolant will cause a steam cleaning effect on the spark plug. Another method is to remove all of the spark plugs and crank the engine. Look for signs of water or vapor being expelled from the spark plug bore. An extension of this method is to stuff a wad of paper towel into the spark plug bore just enough to cover the bore. Hold it in place with a screwdriver or wooden dowel and crank the engine. Than examine the paper towel for the presence of moisture. Both of these methods work better when the leak is pronounced, not so much if the leak is in its early stage or small. I do not use this method because I find it unreliable and inconsistent but it does work for many individuals. The other option is to replace the head gasket for both banks, but that would increase the cost of the job.

Posted on Nov 10, 2010

  • Level 3:

    An expert who has achieved level 3 by getting 1000 points


    An expert that got 10 achievements.


    An expert that got 5 achievements.


    An expert whose answer got voted for 500 times.

  • Master
  • 2,309 Answers

First make sure the cooling fan is working, the remove the spark plugs for inspection, if any are whitish in color you probably have a head gasket leak, and make sure you are running enough anti freeze

Posted on Nov 10, 2010


1 Suggested Answer

  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

Hi there,
Save hours of searching online or wasting money on unnecessary repairs by talking to a 6YA Expert who can help you resolve this issue over the phone in a minute or two.

Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.

Here's a link to this great service

Good luck!

Posted on Jan 02, 2017

Add Your Answer

Uploading: 0%


Complete. Click "Add" to insert your video. Add



Related Questions:

1 Answer

2003 GMC Savana Van. The resevoir is full. The radiator is full, yet rusty looking water. Ran hot, thermostat redlined. Let engine cool. Made it a few more miles. Mechanic wants to do water pump,...

Idea is simple, go to a actual radiator shop to see water is circulating , this is a clogged radiator/ or stuck thermostat or water pump. Master cylinder and serpentine has Nothing to do with your issue.

Apr 12, 2013 | Cars & Trucks

1 Answer

2004 explorer, overheating, coolant bubbling in resevoir

Hi Mike,first thing to do is raise hood,check coolant level in overflow container,if low,there's a leak.look everywhere around top part of engine area for leaks,if none,then get under vehicle and look for leaks with a flashlight.If none are found,then thermostat may be bad not opening all the way causing it to get hot,here's a link on how to remove,get a pot of water and heat to 180 and see if thermostat opens completely.if not,then bad,if it does,then water pump is bad or radiator is partially clogged.Here's how to replace the water pump.Here's how to replace your radiator.Enjoy your free repair guide.

Feb 24, 2013 | Cars & Trucks

1 Answer

Both the lower and upper radiator hoses busted 2 days apart and the car over heated, their is brand new hoses on their now, the car still over heated after about 30 minutes of driving, i opened the hood of...

Could have blown head gasket, you will need to have a block test done, oil like stuff in the cooling system no good, also did you replace the thermostat, any auto repair shop can do a block test to check for wrap or bad head gasket.

Jun 28, 2010 | 1995 Honda Civic

1 Answer

Overheating issue

You need to get a pressure check on the cooling system. I suspect a bad head gasket. Engine compression leaking into a water passage would force coolant back out of the engine. Hope this helps.

Mar 11, 2010 | 1998 Jeep Grand Cherokee

3 Answers

No heat

the thermostat may be stuck open, not allowing the the water in the radiator to warm up, or you may have a bad exchange on the dash that won't allow you to turn it from cold to hot.the resevoir is called an overflow resevoir.when the coolant heats up it expands and flows into there, when it cools back down it uses the coolant from the resevoir.

Jan 13, 2010 | 1992 Oldsmobile Toronado

1 Answer

The water on my car keeps heating up alot and it goes into the engine coolant resevoir leaving the rediator dry

You need to replace the radiator pressure cap. I would also replace thermostat, drain and flush radiator to start. If it continues the water pump may be not pumping water. If the thermostat is stuck closed it wont allow water to cycle through the engine causing it to boil and the pressure cap is not holding the pressure allowing it to flow to the reservoir. So first change the thermostat and the radiator pressure cap.

Sep 17, 2009 | 1993 Toyota Camry V6

1 Answer

Over heating and anti-freeze spilling out of resevoir tank. New thermostat, new water pump, new resvoir tank, radiator 1 year old, new gasket seals. Can not figure out why it is leaking.

Your head gasket has blown or the cylinder head has crancked.You are getting compression in the water system thats why you are getting spill out from resevoir tank.

Jul 29, 2009 | 2000 Ford Taurus

1 Answer

Over heating

If your thermostat aint seized shut, its your heater core. You need a new one. Your heater core is another element that makes the antifreeze move in a circular motion. If it aint moving in a circular motion, your car is overheating, meaning that it could be your thermostat, heatercore, or waterpump, but I think that its your heater core. If it is your water pump, your check engine light would come on.

Nov 14, 2008 | 1997 BMW 328

Not finding what you are looking for?
2000 Pontiac Grand Am GT Logo

155 people viewed this question

Ask a Question

Usually answered in minutes!

Top Pontiac Experts


Level 3 Expert

84027 Answers

Jonah Oneal

Level 3 Expert

14065 Answers

Colin Stickland
Colin Stickland

Level 3 Expert

22483 Answers

Are you a Pontiac Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides