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Coolant surge tank runs out every week. - 1999 Chevrolet Malibu

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You should have someone pressure test the system but most likely you have a leaking water pump

Posted on Nov 19, 2008


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Posted on Jan 02, 2017


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How do you bleed the air from the cooling system of a 1999 v6 pontiac grand am

Refilling Procedure

Notice: When adding coolant, it is important that you use GM Goodwrench DEX-COOL?"¢ coolant. If coolant other than DEX-COOL?"¢ is added to the system, the engine coolant will require change sooner: at 50 000 km (30,000 miles) or 24 months.

  1. Close the radiator drain cock.

  2. If previously removed, install the engine block drain plugs.

  3. When installing the drain plugs, use pipe sealer GM P/N 12346004.

    Important: On vehicles equipped with the 3.4L engine, open the coolant air bleed valve. The coolant air bleed valve is located on the top of the thermostat bypass pipe/heater pipe assembly. Close the valve once a continuous stream of coolant is expelled from the valve.

  4. Fill the surge tank to the base of the filler neck.

  5. Start the engine with the pressure cap off. Run the engine until the upper radiator hose starts to get hot.

  6. If the coolant level in the surge tank is low, add the proper mix of coolant until the level reaches the full cold line.

  7. Important: After servicing the cooling system, and if the vehicle is equipped with an intermittent low coolant light, an occasional low coolant light may be encountered during some extreme driving maneuvers. This complaint should be eliminated by removing the surge tank cap and adding coolant to a level just at or above the full cold line when the system is cold.

  8. Install the cap onto the tank with hand tight pressure.

Recycling Procedure

Important: Dispose of used coolant in a proper fashion, such as in a used coolant holding tank. Never pour used coolant down the drain. Ethylene glycol antifreeze is a very toxic chemical. Disposing of ethylene glycol antifreeze into the sewer system is both illegal and ecologically unsound.

There is currently no approved method for recycling used DEX-COOL?"¢ coolant into new DEX-COOL?"¢ coolant. DEX-COOL?"¢ coolant can be recycled into new conventional coolant. Consult local listings for coolant recycling facilities in your area.

Dec 31, 2015 | Pontiac Cars & Trucks

1 Answer

Does a blown head gasket cause pressure build up in a surge tank

could be a air pockets in the coolant system that have top bled out
it is a simple exercise to have a compression test done to check for head gasket or cracked head

Mar 14, 2017 | 1999 Cadillac DeVille

1 Answer

I need to find a leak in my coolant system. Where do i hook up the pressure tester on my saturn?


Jul 13, 2011 | 2000 Saturn SL

1 Answer

Low coolant light flashes continually/coolant not low nor found no visible leaks/'98 Pontiac Grand Prix GT

if it is NOT low, and the car is NOT running hot, the problem is in the sender unit in the surge tank, located at the bottom of the unit-it does go bad, and the only solution is to replace the surge tank (they did not design them to be removed from the tanks)-be certain it is not low, though before you do this-unplug the sender unit and install a resistor (2200 ohm from Radio Shack, about 20 cents)-between the wires from the disconnected connector-no more dash light, but now you will not have an 'idiot' light for you tank should it run low, so you will need to check it.

Jun 10, 2011 | Pontiac Grand Prix Cars & Trucks

2 Answers

Where do you add the coolant in a chevy Malibu maxi 2004?

You add at the coolant surge tank. The surge tank is located at the rear of the engine compartment, the tank has a radiator style cap on it. Never open hot!

Jan 17, 2011 | 2004 Chevrolet Malibu Maxx

1 Answer

Where do I add coolent to a pacifica?

Under the hood you will find a plastic coolant surge tank, it has a regular radiator cap on it, coolant is added there, the tank is pressurized and coolant can cause severe burns, so never open on with hot engine use 50/50 mix of coolant or premixed. The coolant surge tank is located behind the battery next to the strut tower at the firewall. There is a picture on page 320 0f the owners manual.

Dec 17, 2010 | 2005 Chrysler Pacifica

1 Answer

Was adding coolant to engine grabbed wrong can added motor oil by mistake what to do???? less than a quart of engine oil went into surge tank engine was not running

Not to worry. Drain the oil out of the surge tank. If there is a hose attached to the bottom of the tank just let it drain inot a jug from there. Otherwise you'll have to take the tank off and drain it that way unless you have a shop vaccuum. Oil floats on water, suction it out with the shop vac. When you drain it let it drain for 1/2 hour or so and then hook it back up and fill with coolant. Oil in the coolant is not nearly as big a problem as the other way around. Hope this helps.

Mar 22, 2010 | 1995 Mercury Cougar

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When heater is on, only cold air blows out. Even with the thermastat set to red.

Usually, if your not getting heat it's because the cooling system for the engine is low on coolant. It could be the heater control cable too, sometimes they break or come unhooked. Does it feel like the lever is doing something you should be able to hear the little doors open and close inside the heater as you move the levers back and forth. Pay close attention when moving the temp lever, listen for movement inside the heater. Also, some systems are vacuum operated and you could have a broken vacuum line. The vacuum systems will usually go into the defrost mode if the vacuum line breaks or comes unhooked. Make sure your cooling system is full, keep in mind if you are adding coolant to the surge tank (the semi-clear plastic one) it won't draw that coolant into the radiator until the engine is in the cool down mode. The best way to check the system is when it's cold, if there is no coolant in the surge tank, remove the radiator cap and fill the radiator first. Then replace the cap and fill the surge tank to the "cold full line" then run the engine until it's fully warmed up. At this point the coolant in the surge tank should be up to "hot full line" if not add some more to the surge tank. Now let the vehicle sit until fully cooled off (overnight) and check it again, repeat if necessary. If your losing coolant at a rapid rate you better figure out where it's going, It can get into the oil, if you have an internal leak. Check the oil, is it way over full? Pay close attention to what type antifreeze you have, different manufacturers use different coolants, do not mix, green with pink or pink with yellow. Stick to what ever color you have they are not compatable with one another.

Dec 08, 2009 | Chevrolet S 10 Cars & Trucks

1 Answer


Open the surge tank cap and pour the coolant in. At the top of the therm. housing, you'll see a bleeder valve. Start and run the car, make sure the surge tank is full, and crack the bleeder valve until you see a steady stream of coolant come out.

Jun 10, 2008 | 2000 Pontiac Grand Prix

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