Question about 1998 Pontiac Grand Am

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How do you flush the cooling system

How do you drain the cooling system

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Open radiator drain & coolant cap

Drain coolant----close rad drain & refill

50% Coolant 50% Distilled water

Posted on Dec 05, 2012

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Posted on Jan 02, 2017

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Recently had a new water pump fitted to my jeep Cherokee but it's still overheating and the heater in the car doesn't work. Any idea what might be causing this


if no leaks in hoses, then flush out the radiator etc, there maybe a plug up in system. also change thermostat. God-Bless! and hope this helps you.

Apr 24, 2016 | Jeep Cars & Trucks

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How to Flush the Cooling System.


Normally the engine operates at 195F, unless you have replaced the thermostat with another one at 185F. If the temperature has a tendency to rise up, the reason is a partially obstructed cooling system or/and a bad thermostat.The first part of the cooling system that gives up is the heater core, because the coolant flowing channels are thin. It is the time for a coolant flush in your car. To do it right then you need time. Plan ahead for a weekend. With a cooled engine, start with the heater core hoses. Disconnect both of them, but the dirt has to go out of your car, so with a garden hose back flush it and let the dirt to get out of your cooling system. After you will get clean discharge,it is the time for coolant bottle, remove it, discharge the used coolant and clean it. The third to come is the radiator. Open the drain cook, or disconnect the lower radiator hose, and disposal used coolant properly. Now open the radiator cap and flush with water the radiator till discharge will be clear.You think that you are done? Not yet. There is half of old dirty coolant trapped in the system. Install everything, and connect all coolant system hoses, radiator, heater core and coolant bottle. Now you have to run your car with water. Fill out the cooling system with distilled water, start engine, turn on the heater high, and run till upper radiator hose get hot. That means the thermostat opens. Let the engine to cool down, open the radiator cap, and draining cook or lover radiator hose and drain everything. You can use flush detergent, if you wanted, at this stage, but flushing with detergent will add 4 more hours, because the detergent is colorless and you have to guess how many fill and drain processes to do, to get rid of it. I do not do it, but if your cooling system is very dirty you have to do it. After the last drain, fill the cooling system with concentrated antifreeze and 30% distilled water. The reason is because it is more water trapped inside the cooling system. The goal is to reach 50/50concentration. You need a coolant tester to find this. Start the engine and add coolant till radiator is full. Install the radiator cap and bleed the system. After driving you car for a day or so, let engine to cool down, open the radiator cap check the concentration of coolant with the tester, and add antifreeze or distilled water as necessary. It is a good idea to replace the thermostat while flushing the radiator. This procedure has to be done every 2 to 3 years. It is up to you to decide to use RED GM Dex-Cool or GREEN Prestone antifreeze. In all my cars I have replaced Dex-Cool with Prestone, but I flush the system every 2 years, and I never had a cooling system problem in all my cars.

on Nov 14, 2010 | Chevrolet Avalanche Cars & Trucks

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Flushing the coolant system


Once the engine has cooled, locate the radiator drain plug and place a large catch pan underneath it. To expedite the draining process, remove your radiator fill cap to allow air to enter the system. With the cooling system refilled with tap water, replace the radiator fill cap and run the engine allowing it to reach operating temperature.drain radiator,
At this point, if you have opted to purchase a radiator flush kit, you should refill the cooling system with tap water and add the caustic fluid as directed.
Run the engine for as long as the radiator flush kit calls for (usually less than 10 minutes). follow directions on bottle for flushing. if you feel you want to use a T connection just cut into return line, from heater core. then you can use a garden hose to flush system.

Nov 08, 2011 | 2002 Chevrolet Malibu

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Howto flush the coolant system


you can buy cooling system flush chemical at a store and do it at home.you will have to drain the cooling system into a drain bucket due to epa laws.then install the flush chemical and fill the system with water run the car to get it hot then drain the system again.refill with water again and repeat without the chemical to get as much of the chemical and coolant out of the system.then do a final drain and fill with coolant.it should hold about 2 jugs of anti-freeze don`t forget to do the overflow bottle as well.then you can have the anti-freeze checked for cold weather protection.

Nov 08, 2011 | 2002 Ford Taurus

1 Answer

How do I flush the cooling system in a 2000 hyundai elantra?


There are several methods for flushing the cooling system on ALL engine cooling systems. Time honored is drain the radiator (drain ****). Fill with fresh water and run engine to operating temperature until cooling fans turn on. Drain cooling system again. Refill with 50-50 coolant. Another method is purchasing a "T" vlave (coolant flush/service kit) from Autozone, PepBoys, NAPA, O'Reilys, CarQuest, etc.). This "T" valve is installed in one of the heater hoses & attached to a garden hose. Remove the radiator cap & turn on the water supply to the garden hose. Let water run until flush water is 'clear'. Remove garden hose from T valve & refill radiator with pure coolant until the T valve drainage turns green/orange. Install T valve cap... DONE!

Sep 08, 2011 | 2000 Hyundai Elantra

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Air flow will not get hot. Only warm, about 67 degrees is all. Have replaced thermostat. Fan motor operates fine, just temp sensor seems to have no effect.


Hello! The heater core is partially blocked...I would suggest flushing the cooling system with the temperature control on high...NOTE...The type of anti-freeze used in your vehicle is DexCool...If another type is used it may damage the cooling system...To flush...Drain radiator...Fill with plain water...Run engine until thermostat opens...Turn engine off...Let cool then drain...Do this at least three times or until water drains clear...Install new thermostat...Refill with 50/50 DexCool...Leave the radiator cap off as engine warms...Allow all air bubbles to escape...Then install cap...

The down side of DexCool is electrolysis...Electrical current flowing in the cooling system which can cause the anti-freeze to "clump" blocking its flow...Periodic flushing eliminates the problem...

Guru.........Saailer

Feb 03, 2011 | 1994 Cadillac Fleetwood

1 Answer

How to flush the radiator(cooling system) on 1995 chevy lumina


Wait until motor is cool. remove rad cap and loosen rad drain pet **** under rad. If you can't loosen it or cant find it, remove lower rad hose. let all antifreeze drain. Close pet **** or replace rad hose. Fill with water and rad flush(you can get the flush from an auto supply store or wallmart). Run for the recommended time on rad flush bottle. Wait for motor to cool. Then drain out water. Refill with 50% prestone and distiled water.

Aug 12, 2010 | 1995 Chevrolet Lumina

1 Answer

HOW DO I FLUSH RADIATOR


Your car's radiator and cooling system needs to be clean to be cool. As time goes on, your car's radiator builds solid deposits that can clog the cooling system. A quick, inexpensive radiator flush can keep the system in shape. It's important to change your antifreeze seasonally. Before you start your radiator flush, make sure you have everything you need. There's nothing worse than draining your radiator only to realize that you need to drive to the auto store for something!
What you'll need to perform a radiator flush:

  • Phillips head screwdriver or wrench (whichever your radiator drain requires)
  • Cloth rag
  • Radiator Flush solution
  • Coolant
  • Funnel
  • Used coolant receptacle
*Be sure to let your engine cool completely before you loosen or remove the radiator cap. Hot coolant can be painful!

Jun 02, 2010 | 2000 Oldsmobile Bravada

1 Answer

I was wondering where the drain plug is to flush the coolant out. Also, what is the best method to flush out the radiator? I have a 2000 Grand Am.


There is a drain plug on the engine compartment side of the radiator at the bottom of the plastic tank. The best way to flush your cooling system is to get a Prestone Raditor Flushing Kit. You can use a garden hose to flush the system out.

May 30, 2010 | 2000 Pontiac Grand Am GT

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I need to drain and flush the cooling system on my car the


the van will be okay just dont fill cooling system with water and leave it then it will freeze the motor. also you might freeze its not an easy job, is the core leaking, or are you not getting heat, if its no heat then just flush the core with waterhose from hoses going to it, just remove the hoses to core and use waterhose to flush out, go into both hoses one at a time do this a few times and you will have heat. if its leaking then replace it.hope this helps.

Jan 03, 2010 | 1996 Pontiac Trans Sport

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