Posted: 12/21/2009 12:58:19 PM EDT
| Does anyone happen to know what the service schedule of the 4wd components on a 2005 Silverado with 33k on it are? The truck sees very little off road time. Most of the time it only gets put into 4hi about once a month when roads are wet and even then for short distances. |
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I dont know what they recommend but after 4 yrs I would definitely change the oil in the transfer case, transmission, front and rear differentials.. If you are even remotely handy the transfer case, front/rear diffs are something you can do.. The transmission may be harder unless it doesnt have a drain plug and you have to drop the pan
Brian |
| I'd do the diffs and T case at 30K miles. Make sure you use the correct fluid in the transfer case, autotrac requires special fluid. The rear differential requires synthetic but I am pretty sure it doesn't need additives. I'd just throw synthetic in the front and rear. They used to have a drain plug in the rear differential, but I see they eliminated that in later years. |
| If it has autotrac (push button not on floor) you cant use atf in the transfer case, get the fluid from a dealer. There are two plugs on it, both 18mm iirc, just drain and refill. The front diff has a drain and fill plug as well same thing there as the transfer case. The rear diff on that year wont have a drain plug so you will have remove the cover to change it. |