Question about 2003 Chevrolet Tahoe

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What kind of maintience need to be done on a 2003 Z71 fwd ?

I change my oil every 3000 miles. Is there any thing else I should be doing.Such as transmission, fwd . Thats the only thing I know needs to be serviced. Im sure, thier is more maintience. thanks debbie

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Your transmission oil and filter should be replaced between 50,000 to 100,000 miles depending on your driving. More stop and go around town would keep you closer to the 50,000 miles, the transfer case and differentials should also be serviced the same time as the transmission. The front steering components should be greased every time you have the engine oil and oil filter replaced and the air filter every 15,000 miles need to be replaced unless yu replace it with a K&N air filter that is washable and have a longer life. The spark plugs are good for 100,000 miles and the spark plug wires too. The Antifreeze if it's orange has a life of 5 years or 150,000 miles which ever comes first, and make sure it's a 50/50 mix (antifreeze/water) to much antifreeze will gell up and cause poor circulation and too much water will boil over. If you have the green antifreeze, the life expectancy is 1 year or 30,000 miles which ever comes first. The fuel filter every 30,000 miles too. Hope this helps, if i forgot something let me know and the wipers, always replace in the spring. Be safe friend, and enjoy the summer.

Posted on Jun 27, 2009

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Change the filter with each oil change. Unless your towing, the tranny filter is usually 60k miles. Check your manual to be sure. Your manual should spell out when maintenance is to be done. If a garage wants you to do some outrageous expensive maintenance, have another garage look at it.

Posted on Jun 27, 2009


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