Itsme7 Posted October 22, 2010 Posted October 22, 2010 I bought my 05 1500 5.3, 4wd Z71 Silverado used about 3 months ago. I changed the engine oil, no problems at all. I now would like to do the trans fluid/filter, transfer case oil, and the diffs. I tried doing a search but couldnt find exactly what i was looking for. What would be recommended for the oils/fluids? Also, what is the part number for the trans filter/gasket? Thanks a bunch for the help.
txab Posted October 22, 2010 Posted October 22, 2010 Tech write-ups for service Trans: DEX VI Diffs: 75w-90 synthetic gear oil with no additives Transfer case: Looks like it calls for synthetic trans fluid also You should have deep pan with the 4l60e: Wix filter #58847 Your local auto parts store can look up the info also You might consider: Flushing and refilling the cooling system Flushing the brake system with fresh fluid Replacing the power steering fluid
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