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Re: Transmission flush
Starting at 42,000 miles, I have had my tranny fluid "exchanged" every 25,000 miles by my Subaru dealer and have not had any problems to date.
The SVX Master Tech told me that, like most good flushing machines, it uses the transmissions own oil pump to move the fluid. With the engine running, the old fluid is pushed out while the new fluid is drawn in.
Actually its more of a fluid exchange than a flush. It uses the power of the operating automatic transmission to push the old fluid out, while drawing in the new fluid. I believe they are using the T-Tech system.
The mechanic connects the ATF hoses to the machine (which is filled with about 15 qts. of ATF. The car is then started and the exchange starts. The vehicle's own transmission pump regulates the exchange process, guaranteeing that proper pressure and fill are maintained. Using this much ATF guarantees almost 100% fluid exchange.
Since there is no additional pressure used to in this process, other than the tranny's own ATF pump, I wouldn't think there is anything that would disrupt or dislodge anything. It is just moving fluid at the same rate it always did, only the fluid is always fresh.
Still running strong at 119,000 miles... I use either Mobil 1 synthetic ATF or Red Line High-Temp Synthetic ATF.
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Subaru Ambassador
1996 Polo Green LSi #216 ..138,100 miles. ..SOLD
JFICX8659TH100216.....Date of Manufacture: November 16, 1995.....
Fuji Heavy Industries..Ōta North Plant....Ōta City,. Gunma Prefecture, Japan
In-Service Date: January 2, 1997
"The Pristine Green Polo Machine”
First Polo Green on the Network
First Clear front turn signals, JDM Alcyone hood emblem, rear panel, and BOXER engine cover on the Network (US) (2000)
First 5000K HID factory fog lights (2007)
First SVX JDM BBS wheels on a USDM SVX (2013)
HID lighting (5000K) for headlight and H3 fog lights, PIAA SuperExtreme 120W high beams, rebuilt EG33 longblock, Cometic head gaskets, Phase II flexplate, AMR aluminum radiator with custom silicone hoses, 160A high-output alternator in aluminum-ceramic coated case, new design alternator wiring upgrade v.4, rare factory headlight protectors, refinished JDM BBS mesh aluminum wheels and custom, polished billet aluminum new hex center caps, LED grille mod, R1 Concepts high-carbon cryo slotted rotors, Akebono ceramic pads, Goodridge S/S braided brake lines, Smallcar Stage 1 shift kit, ThermalTech aluminum/ceramic-coated valve covers, Energy Suspension urethane front & rear swaybar bushings, Bontrager22 rear swaybar with QS Components Chromoly Teflon/Kevlar endlinks, "$15.00/5 minute" suspension mod. Hella Supertone horns, Custom stainless steel exhaust system with 2" headpipes, Magnaflow cats, AeroTurbine AR25 resonator /AWD "Bullet" muffler.
R.I.P. 2010 Subaru Outback Limited 2.5 CVT...338,000 miles. Totaled by a 1,300 lb. COW March 4, 2016 
2014 Hyundai Avante Limited ...178,000 miles. Actually quieter and smoother than the Outback 
2007 Mazda Miata MX-5 PRHT...102,000 miles.
Plenty of parts, service and windshields. 
4th Registered Network member —2/21/2001
My NEW locker..I...My Email..I..Wikipedia/SVX .
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