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1993 940 T trans flush, is dex/merc ok?

K

ktm450

New member
Joined
Apr 18, 2009
Location
Cincinnati, ohio
I am just getting ready to do the flush, and the wife comes home with Castrol dex/merc. That is all they have now at the local wallymart, no dex3. I seem to remember them coming out with this combo as the only option. Is this ok for my auto trans?
 
I use regular Valvoline dex/merc ATF for my AW70.
There is a reason I don't use synthetic in the A/T.
 
12 quarts, 1-2 quart at the time flush through radiator. Also draining through pan plug is good too to start with, so get all the crap from bottom.
 
I put 5 gallons through my 4 runner after dropping the pan and changing the filter. I kept flushing until it came out purty red though took almost all of 5 gallons.
 
3 gallons is fine, so is dex/merc.

Suggestion if it is a new to you ride. Run the cgeap stuff thru until it comes out clean, drive it a week, flush with the castrol, drive a month, flush again, call it good.
 
Suggest the IPD flush kit.... mine has served well, price is not obscene and includes instructions!

2nd what Gary said.... flush with the cheapo, drive her a week, flush to the best. ATF is not a place to pinch pennies, unless you enjoy wrestling transmissions in/out........
 
DET17 said:
Suggest the IPD flush kit.... mine has served well, price is not obscene and includes instructions!

2nd what Gary said.... flush with the cheapo, drive her a week, flush to the best. ATF is not a place to pinch pennies, unless you enjoy wrestling transmissions in/out........
Click to expand...
Just cut the end off of a transmission line on a 2/7/9.
Get 4 feet of vinyl tubing and clamp it onto the tranny line ya cut off....diy and done.


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940wagon said:
Was that a serious suggestion?
Click to expand...

I have a feeling prices on crack dropped recently as I can see some outstanding posts on TB.
I think guy meant a short version of how to fix leaky trans cooling line, out of nowhere.

Everything was said here and everywhere else about flush. OP can proceed.
 
940wagon said:
Was that a serious suggestion?
Click to expand...

smeha said:
I have a feeling prices on crack dropped recently as I can see some outstanding posts on TB.
I think guy meant a short version of how to fix leaky trans cooling line, out of nowhere.

Everything was said here and everywhere else about flush. OP can proceed.
Click to expand...

There is nothing wrong with said suggestion

I have a feeling that the prices on smug are down
 
My mechanics usually tell me on my 92 960 to never flush the transmission, only drain and refill. Something about the gear filings are now an integral part of the transmission and cleaning them out will mean the gears won’t be happy?

Does that make any sense?
 
Last edited:
stiligFox said:
My mechanics usually tell me on my 92 960 to never flush the transmission, only drain and refill. Something about the gear filings are now an integral part of the transmission and cleaning them out will mean the gears won?t be happy?

Does hat make any sense?
Click to expand...

if your transmission is so bad that a flush will kill it, it is about to die anyway
 
stiligFox said:
My mechanics usually tell me on my 92 960 to never flush the transmission, only drain and refill. Something about the gear filings are now an integral part of the transmission and cleaning them out will mean the gears won?t be happy?

Does hat make any sense?
Click to expand...
It does if there's a lot of miles. Flush is fine. Changing the filter or cleaning the screen may kill it faster if high mileage. I didn't change mine, but I did flush.
 
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