4L60E Fluid and Filter Refresh
This a 2000 T/A with 66k on her and I believe this was the first time the filter and fluid have been changed. See the Old and New fluid side by side.
You will also see a couple of pictures of the pan before and after I cleaned it up. The magnet did it's job very well and I had great ease and success removing the old gasket with a razor blade and Brillo steel wool pads for the final cleanup.
The filter is AC Delco and the ATF is Valvoline MaxLife. I replaced 3.5 quarts.
Comments are always welcome and encouraged!
Last edited by bgw70; Jul 31, 2014 at 05:25 PM. Reason: add pics
I have never understood why American cars do not come with a drain plug. Most if not all of the Asian cars have them...but they also squeak when you punch the pedal!
Should I use the dealer or go to a tire place or something else? You have concerned me greatly so please provide the type of place that will do the job correctly without stripping bolts, over tightening bolts etc.
Thank you again fleet mgr!
Should I use the dealer or go to a tire place or something else? You have concerned me greatly so please provide the type of place that will do the job correctly without stripping bolts, over tightening bolts etc.
Thank you again fleet mgr!
I would suggest a local-owned trans shop where you likely will be dealing with an experienced mechanic instead of a time-pressed kid at the quick-oil-change store.
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I completely neglected the car until shudder and other problems developed. We found the tranny fluid was black goo. So we did the flush, added some Lucas snake oil and crossed our fingers that the car would move when put into gear. Well, it did, and my assistant is still driving the thing many miles later with none of the previous symptoms. In my experience, a good flush and fill works!
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I sure hope it doesn't destroy my T/A! LoL Anyway, the plug has a nice magnet, a sealing washer and the thread size is 18mm with a 1.5 thread pitch. The whole operation was about $50 which included the TIG welding from a local machine shop. The machine shop cut a small area out of the bung to allow all of the fluid drain.
I plan to seal the pan with a clear coat of Rustoleum, unless someone has a better idea.
Last edited by bgw70; Sep 4, 2014 at 07:02 PM.
You might want to still add some flat plastic magnets; I have seen a high mileage but still working trans have more than a teaspoon of crap stuck to the factory magnets.
I assume you mean to clearcoat only the outside of the pan.
I am only going to clear coat the outside of the pan because the weld area will rust.
I really did not want to reuse the internal magnet because the drain plug has a magnet and should catch everything now.
The plan is to drain and refill the tranny every other engine oil change.
I am only going to clear coat the outside of the pan because the weld area will rust.
I really did not want to reuse the internal magnet because the drain plug has a magnet and should catch everything now.
The plan is to drain and refill the tranny every other engine oil change.
But how do I clean the internal magnet if I do not plan to open it up for another 40k miles? I plan is to drain the 4-5qts every other engine oil change. When I change the tranny fluid I will wipe the plug magnet.
Am I missing something?
This will work much better than just changing a few qts every 6k miles.
This will work much better than just changing a few qts every 6k miles.
It sounds like both of our methods remove around 4qts which means all I need to do is remove the drain plug, wipe the magnet and refill the transmission. A jug of tranny fluid is aprox $17. This car is a toy with 66k miles and only driven on the weekends. I dropped the pan a short time ago and changed the filter. That was when I decided I would install the drain plug that includes a magnet.
$17 every few months is cheap insurance and realistically, the fluid change ratio will be more like every 10-12k miles.
I also did the rear differential gear lube too...all of the fluids have now been changed and the car is running great!
As you know, most failures happen because most people do not service their vehicles.
I always perform service to my cars more frequently than the OEM recommends and I sold a car a few years ago that had 217k miles. it used no oil and the auto transmission still functioned like it was brand new!
I have never understood why American cars do not come with a drain plug. Most if not all of the Asian cars have them...but they also squeak when you punch the pedal!

It is nice to know they have finally added drain plugs to the newer transmission pans.
As you probably know, performing service will typically make your vehicle trouble free much longer...










