I got a question for anyone that can help me, I have a 2002 chevy silverdo pickup with 5.3 automatic the tranny fuild has not been changed and it has 107,000 miles on her. What is the best way I should go about having it done, should I have it backflushed or not I would like to do it myself any suggestions on what I should do Thanks for your Help???
Have it changed, the filter as well. If there is any concern about old gunk and debris being loosened by the new tranny fluid, then do a second fluid/filter change after running it for a short period of time, the second change will catch all of that. ATF contains detergents that will clean/loosen gunk, so it's not the backflush that dislodges that but the new fluid. It's NEVER a good idea to leave old dirty fluid in a beat tranny. Change it, and change it again if you have to.
If you don't use the truck for heavy duty driving such as towing a trailer then you're due for a fluid change each 100,000 miles. So at 107,000 miles you're right there. Do as Ken said and change the fluid and filter. You don't need a flush. Actually flushing can do more harm than good by damaging seals and other internal components that were not designed for the pressure of the flushing machine. HTH. -Jim
Thanks for your answers I will certainly do that thanks again My fellow friends,Happy motoring!
You're welcome. Glad to help. Thank you for the best answer click as well. -Jim
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