Question about 2000 Chevrolet Silverado 1500

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Anti freeze do you recamend changing antifreeze an how often

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Yes I do recommend it and at least every two years. The anti-corrosion properties start to weaken and the coolant becomes less effective after 2-3 years. Changing it prolongs the life of your engine. Check you owner's manual for the appropriate maintenance schedule.

Posted on Oct 11, 2008

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Use the new extended life antifreeze that is what the factory put in the car, change it every 60,000 miles, replace the hoses at the same time.

Posted on Oct 11, 2008


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well that most likely means u blew a gasket dont worry they arent that much most the time if you feel like u wanna try 2 fix it urself i would recamend going on youtube and looking up how to change a theremastat housing gasket. the gasket is most likely 3 to 4 dollars at ur local parts store if not check out local repair shops cant be more han 125.00 by the way if i were u i would change the theremastat while you where in there it bout 15-20 bucks but trust me its worth it

Aug 16, 2011 | 2001 Mitsubishi Galant

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How much oil in toyota corolla 2001

your corolla takes 3.5 quarts of oil i would recamend only putting 3.0 quarts in starting it wait for the oil pressure light to go off then check the depstick and fill to full that is how we do it at the oil change shop

Dec 24, 2010 | 2001 Toyota Corolla

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Antifreeze for 2007 hyundai sonata and how to change


For "ordinary" antifreeze, the vehicle manufacturers generally recommend coolant changes every two to three years or 30,000 miles. Others say it's not a bad idea to change the coolant every year for maximum corrosion protection -- especially in vehicles that have aluminum heads, blocks or radiators. But such recommendations may soon be obsolete. Several antifreeze suppliers have just recently introduced "long life" antifreeze formulations that claim to provide protection for four years or 50,000 miles.

General Motors just introduced a new five year, 100,000 mile antifreeze in its 1996 cars and light trucks. The new coolant is called "Dex-Cool" and is dyed orange to distinguish it from ordinary antifreeze (which is green).

The life of the antifreeze depends on it's ability to inhibit corrosion. Silicates, phosphates and/or borates are used as corrosion inhibitors to keep the solution alkaline. As long as the antifreeze remains so, corrosion is held in check and there's no need to change the coolant. But as the corrosion inhibiting chemicals are used up over time, electrolytic corrosion starts to eat away at the metal inside the engine and radiator. Aluminum is especially vulnerable to corrosion and can turn to Swiss cheese rather quickly when conditions are right. Solder bloom can also form in copper\brass radiators causing leaks and restrictions. So changing the coolant periodically as preventative maintenance is a good way to prevent costly repairs.

The basic idea is to change the coolant before the corrosion inhibitors reach dangerously low levels. Following the OEM change recommendations is usually good enough to keep corrosion in check, but it may not always be the case. That's why more frequent changes may be recommended to minimize the risk of corrosion in bimetal engines and aluminum radiators.

One way to find out if it's time to change the antifreeze is to test it. Several suppliers make special antifreeze test strips that react to the pH (alkalinity) of the coolant and change color. If the test strip indicates a marginal or bad condition, the coolant should be changed.

Regardless of the type of antifreeze you use, it should be disposed of properly. In many areas, it is okay to flush used coolant down the toilet (sanitary sewer) as long as the amount does not exceed a few gallons. But it should not be poured down a floor drain or into a storm sewer.
Both types of antifreeze are biodegradable but take some time to break down. Dumping used antifreeze into a storm sewer, ditch, creek or on the ground can contaminate ground water and kill plants and fish. What's more, used antifreeze picks up lead from solder in copper/brass radiators. Lead is a toxic heavy metal that can also cause pollution problems of its own.
Some areas prohibit ANY dumping of used coolant (sanitary or storm sewers). They also may not accept used antifreeze in a sealed container for landfill collection because eventually the container will leak its contents into the ground causing possible ground water contamination.
So how do you get rid of the stuff? You can take it to a local collection center that accepts used antifreeze for disposal or recycling, you can pay to have it disposed of as a hazardous waste (yeah, right) -- or you can take your vehicle to a garage or service facility that has a coolant recycling machine. The latter is the best choice because it eliminates the disposal problem altogether.
Coolant recycling machines work their magic by a variety of means. Some use filtration while others use a distillation process to remove the harmful contaminants from the old antifreeze. Corrosion inhibiting chemicals are then added to restore the coolant's corrosion protection. The auto makers have all approved coolant recycling as an effective means of eliminating coolant disposal problems, and each publishes a list of machines that meet their specifications. Recycled coolant must meet minimum standards of purity before it can be reused.

Reverse flushing is the best way to change the coolant because draining alone can leave as much as 30 to 50% of the old coolant in the engine block. Reverse flushing also helps dislodge deposits and scale which can interfere with good heat transfer.
The concentration of antifreeze in the coolant also needs to be checked prior to the onset of cold weather. A 50/50 mixture of antifreeze and water is recommended and will protect against freezing down to -34 degrees F and boilover protection to 263 degrees F.
For maximum protection, up to a 70% mixture of antifreeze can be used for freezing protection to -84 degrees F.

CAUTION: Do not use more than 70% antifreeze, and never run straight water in the cooling system because it offers no corrosion, freezing or boilover protection.

Take care and good luck

Nov 06, 2010 | 2007 Hyundai Sonata Limited Sedan

1 Answer

When should the transmission be flushed the first time and how many miles after..or between each

Check your owners manual for recamended fluid and filter service. Some new cars and trucks don't even have a dipstick to check the fluid level, because some transmissions and transaxles on newer cars and trucks are sealed from the factory and are designed to not require fluid changes and periodic checking of fluid level.
Your owners manuel should have all the information on servicing the transmission, the engine oil, tire rotation, jacking points on your vehicle, as well as oil grade/wt. along with when to change your filters, etc.

Apr 29, 2010 | 2007 Ford Edge SEL Plus

2 Answers

When do i change the cambelt

I recamend 40 to 50 thousand miles

Oct 17, 2009 | 2003 Ford Freestyle

1 Answer

Do i have to remove the harmonic balancer to access the sensor or change it? I have just replaced the balancer and dont want to go through the hassel again.

yes you will and you will need a puller and they recamend to use brass feeler gages to set gape.I hope this helps you?

Oct 06, 2009 | 1992 Buick Century

1 Answer

What is the recamended motor oil for a 2004 toyota corolla

use the regular 5 w 30 or 10 w 30. usually that what factory recommends.

May 01, 2009 | 1994 Toyota Corolla

1 Answer

When placed in park gear is very hard to move to R, D etc. 1997 Yukon

my recamendation is to remove the molding around the gear shifter. look and see if there is any reaon why its tough to move. Also get some lithium lube and spray it around. Move the shifter around and see if there is anything jamming it up. Also, when was the last time you changed the fluid and filter in your transmission. I would recamend using a high end synthetic like royal purple. Maintenance is the key to every problem.

Let me know how this works.


Apr 03, 2009 | 1997 GMC Yukon

1 Answer

Sunroof replacement

You need to be in the medium or higher range of skill to do this. I am recamending you get a set of directions and go over it very carefully. Retracking a window can be painfull for some one who has done it before. If you don't have or cant get a set of directions then you really need to think about having it done. I would recamend having one with no motor put in.. Nothing to break on it. The tracks and clips are really tough.

Feb 03, 2009 | 1990 Acura Integra Hatchback

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