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???

25

Asked by Mar 01, 2015 at 10:46 AM about the 2002 Chevrolet Silverado 1500 LS Ext Cab Short Bed 4WD

Question type: Maintenance & Repair

Or should I take it in?

4 Answers

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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.

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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

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25

Thanks for your answers I will certainly do that thanks again My fellow friends,Happy motoring!

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64,995

You're welcome. Glad to help. Thank you for the best answer click as well. -Jim

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