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#1
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Tranny fluid pressure
Thinking about installing a fluid pressure gauge for the tranny. Anyone know the operating fluid pressure range?
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LS-L 92 black top silver bullet-Turned into a 2005 Jeep TJ Unlimited 2012 Outback 3.6R Limited! |
#2
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Hay What a great idea. I was thinking of the same thing. The line pressure plug is easy to get to. It is up front, driver side on the case. Section 3-2, page 121 of the 1992 manual says line pressure is 64 to 82 psi at idle and 206 to 230 psi in reverse at stall speed. This is when the torque converter has minimum slip. About 1,422 to 1,589 rpm in reverse.
I am looking for a digital gauge. Do you know of any? Actually I want a gauge in the transfer section also. |
#3
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I'm considering installing the sending unit in the hose after the coolers before the tranny. I am surprised at the high pressure. Dumb-dumb me guessed 30psi as normal. I need to tighten all clamps on the hoses or double up on the clamps. I have not come across a digital gauge, will check for one. Thanks for the info.
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LS-L 92 black top silver bullet-Turned into a 2005 Jeep TJ Unlimited 2012 Outback 3.6R Limited! |
#4
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I agree this pressure seems high to me. Any one else with a manual want to check and make sure I am not reading this wrong? Anyone who has ever measured this pressure care to share what they found?
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#5
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I talked to a tranny rebuilder in Portland today, normal pressure 90 psi, in reverse 140 psi.
Way higher than I imagined.
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LS-L 92 black top silver bullet-Turned into a 2005 Jeep TJ Unlimited 2012 Outback 3.6R Limited! |
#6
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Quote:
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Randy Johnson 3rd Registered Member 02-21-2001 First Member to Reach 10,000 Posts First to arrive at the very first Reading Meet Subaru Ambassador 1992 SVX PPG Pace Car Replica 110+k 1993 White Impreza L 240+K miles 2001 Legacy Outback Limited Sedan 250+K miles 2013 Deep Indigo Pearl Legacy 3.6R 49+K miles "Reading is my favorite Holiday" Mike Davis -- at Reading VI |
#7
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digital gauge
Quote:
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LS-L 92 black top silver bullet-Turned into a 2005 Jeep TJ Unlimited 2012 Outback 3.6R Limited! |
#8
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Location
I would install right after the cooler, as close to the cooler as you can, since this will be the highest pressure after the cooler. The filter should go before the cooler. I may do this too. Thanks for the pressure ranges.
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Chuck D. 1992 Subaru SVX LS-L - Heavily modded turbo 2002 Subaru Impreza WRX- Turboxs stg3 & Susp. Mods |
#9
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Full ash tray
Tranny fluid pressure gauge is up an running. Along with the temp gauge the ash tray be full.
The sender for pressure is in the rubber hose after the coolers before the tranny. It's the lowest pressure spot. I used a tee to mount the sender, had to put a ground wire on it with a hose clamp. After one test run the readings were: 50psi at startup, 75psi WOT, 25psi coasting or going down hill, 50psi cruising at 2100rpm. Any other ATF pressure gauges? What are your readings? David
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LS-L 92 black top silver bullet-Turned into a 2005 Jeep TJ Unlimited 2012 Outback 3.6R Limited! |
#10
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Good Job
Thanks for the info. It will be helpful, although I have a Level 10 tranny, which should run much more line pressure due to the tuned hydrostem valvebody.
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Chuck D. 1992 Subaru SVX LS-L - Heavily modded turbo 2002 Subaru Impreza WRX- Turboxs stg3 & Susp. Mods |
#11
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Re: Good Job
Chuck
Quote:
David
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LS-L 92 black top silver bullet-Turned into a 2005 Jeep TJ Unlimited 2012 Outback 3.6R Limited! |
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