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98 Sable GS. Getting ready to flush the tranny. How much fluid should I buy and what kind?

Also getting ready to flush the PS. Is there one type of fluid that is better than others?

I live in Fla so we don't have really cold winters, though sometimes it does get around 30-ish.

Thanks
 

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It depends on what your manual says. For the tranny, it's either Mercon or Mercon V (get the right one or else your tranny's screwed). The system holds 12 quarts so if you do a complete flush, that's how much you'll need.

For the PS, just use Mercon/Dexron III tranny fluid.
 

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i wanted to do a tranny flush on the 95. how do u do it? what tools do i need. is it a driveway job? the dealership wants $115 to change it. so i think we are takin my moms in for that, since its warranty goes out at 60k, and it does need one anyway
 

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You can do it in your driveway. Just need a couple of jackstands and a large plastic kiddie pool because it's really messy. There's no drain plug so you'll have to take off the pan and once you loosen it, it's just gonna pour out. The kiddie pool will catch everything and then some. And then for the fluid in the T/C, just take off the hose going to the tranny cooler and run the engine until it all comes out. Change the filter and gasket for the tranny and wipe the pan and magnet clean. Then hook everything back together and pour the fluid thru the tranny dipstick tube (probably want to get a funnel for that).
 

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Will the tranny actually pump everything out? I doubt there would be any damage if the car was only ran long enough to remove all the fluid and then shutdown.

I'd like to do this while I'm installing the tranny cooler. I don't have alot of knowledge on automatic transmissions. I'm a stick shift guy.
 

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I have no idea if it'll pump it all out. I just picked that up from reading all the tranny posts. Maybe hook a ShopVac to it and suck everything out just in case?
 

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It will Pump it out if you take off the top line of the two that run in the front of your vehicle.

BTW definatley use mercon V (if you buy AAMCO stuff at autozone it is semi-synthetic) it is what is supposed to be used in 98 and up ford cars.

The reason why is because it has special friction modifiers that are required for long friction disc life.

you will probably need close to 16 quarts for the Full flush process.



BTW Mario I can Help you do yours if you want me too. Just have your bro get a hold of me.




Procedure : although can be done with two people no less 3 is ideal for the flushing process

go and get a filter and gasket for the trans. and some hi temp silicone

1. put vehicle on jackstands

2. simple rachet set will be good for tools and some torx bits for the filter

3. get a large enough drain pan (kiddie pool takes up a little to much room
) but something with atleast a 2 foot opening and deep enough for 12 + quarts of used oil.

4. drop the pan if gasket still looks good you may not have to replace it (it is supposed to be reusable) wipe out the pan and the magnet.

5. Put a bead of silicone on the bottom of the pan and secure the new gasket making sure all the holes are lined up with the pan.

6. reinstall pan if you bought a new gasket and it is made out of cork make sure to only tighten the bolts hand tight Do Not crank the bolts down you will risk damageing the gasket and causing a nasty leak.

If you stop here then top off your fluid drive it check the fluid and make sure it is full and your done. THis is not a flush and probably only 50% of the fluid. Follow the next steps to finish a FULL flush.


this is where you need friends

7. put a few quarts of oil in (not necessary to top it off yet)

8. go to the front of the car. There are two lines (one on top of the other) the top line should be the transmission return line from the cooler. move your drain pan under this line.

9. take the line off, can usee an 8mm socket or a flat head screwdriver, have one friend hold the line and put in the drain pan ( a buckett may be better for this step because you may need the added height)

10. Pre-open many quarts of the trans-oil, have a friend or your self man the bottles and funnel. third person should be manning the ignition or who ever is filling the trans should be quick enough to shut off the car if need be.

11. You may want to put some new fluid into a clear plastic bottle so the person manning the hose can compare the color of the fluid coming out to what is in the bottle to know when to stop pumping out the old/new fluid.

here is where the fun begins (this can be a bit messy)

12. Start the car and begin filling the trans with new fluid. Don't be afraid to stop the car if you are running out of open bottles. you may want to periodically stop and add one full quart so that you don't run the trans dry.

13. Do this until the fluid looks new and then stop the engine.

14. reattach the hose. Pull the car down and top off the fluid.

15. move the gear selector to every gear position (stay in each gear 30 seconds)

16. check fluid and top off.

17. drive the car makes sure you have all forward gears and reverse

18. check fluid top off if neccesary and then you are done.

if you guys see any revisions please feel free to tell me maybe i can get an article on this.
 
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