New old truck and auto tranny flush

superboiler · 03-12-2010, 10:43 PM

Just got a 97 ranger that will be off with my son as he goes back to school. 130k on 4 cylinder with automatic
Not sure if the tranny was ever flushed.
Shifts fine now...no slippage
Should I drain/flush the tranny fluid or just leave it be?

I have heard some say that if it was never drained/flushed on a regular basis to just leave it alone. I am not sure about this?

**Sasquatch_Ryda** · 03-12-2010, 10:48 PM

Feel free to have it flushed and the filter changed.

It is pure fiction that a tans flush will wreck an automatic transmission. Most of these horror stories are from vehicle owners who have neglected the transmission and it has started to act up/slip and take it in for a trans flush as a last minute fix for it. They then bitch when the trans gives up the ghost.

All a flush does is uses the pump in the transmission to exchange all the fluid in the transmission, it does not actually force fluid through it.

03-12-2010, 10:43 PM	#1
superboiler New Member Join Date: Mar 2010 Posts: 8 Rep Power: 0 iTrader: (0)	New old truck and auto tranny flush Just got a 97 ranger that will be off with my son as he goes back to school. 130k on 4 cylinder with automatic Not sure if the tranny was ever flushed. Shifts fine now...no slippage Should I drain/flush the tranny fluid or just leave it be? I have heard some say that if it was never drained/flushed on a regular basis to just leave it alone. I am not sure about this?
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03-12-2010, 10:48 PM	#2
Sasquatch_Ryda Coast Mountain Crawlers Join Date: Aug 2007 Location: Terrace, BC, Canada Year: 1991/1997/2008 Make: Ford Model: Ranger/Ranger/SuperDuty Engine: 4.0L/3.0L/6.4L Class: 4x4 Used For: Play toy/Daily Driver/Grocery Getter Posts: 7,470 Rep Power: 10 iTrader: (0)	Feel free to have it flushed and the filter changed. It is pure fiction that a tans flush will wreck an automatic transmission. Most of these horror stories are from vehicle owners who have neglected the transmission and it has started to act up/slip and take it in for a trans flush as a last minute fix for it. They then bitch when the trans gives up the ghost. All a flush does is uses the pump in the transmission to exchange all the fluid in the transmission, it does not actually force fluid through it. __________________ http://www.coastmountaincrawlers.com 1991 Ranger - one tons, 3 link, air shocks and 40's 1997 Ranger - reg cab flare side, 3.0L, M5OD-R1, 4x4, 4.56 gears, 6" lift, 33" MT's. 2008 F350 - 6.4L Powerstoke Diesel, 35x12.50R18 Procomp Xtreem AT's on 18x9 Incubus Crushers, AFE DPF/DOC Delete pipe, H&S XRT Pro tuner, AFE Stage 2 intake 1967 Mustang Coupe - 289, c4, pretty much stock
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