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#1
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Early shifting out of first gear.
So here's an annoying problem i've never encountered before. Our 94 svx, which has an almost new subaru reman tranny, will not hold first gear higher than 4500rpms. It shifts out if first gear at about 4500, even if I drop the shift selector to the "1" position. Any idea why? Everything else seems to be in good order as far as the transmission is concerned.
Mike |
#2
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bump? 67890
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#3
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and that shift is out of first gear at 4500 all the time?
how about the other gears? they shifting out properly?
__________________
1992 Subaru SVX LS~L Ebony Pearl 1992 Dodge Stealth R/T Firestorm Red 1992 Subaru SVX LS~L Pearl White 1992 Subaru SVX LS~L Ebony Pearl JDM 6MT/DCCD 2007 Subaru Legacy Spec B. Diamond Grey Metallic |
#4
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#5
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With your engine and transmission warmed up and the gear selector in top gear, if you put it into POWER mode, (rapid movement of accelerator pedal to the floor to light the POWER light) and keep it there in first gear, does it still shift at 4500 rpm or earlier?
It's normal for the transmission to upshift to 2nd with the gear selector in 1st to prevent damage to the transmission. It will also upshift to 3rd if the gear selector is in 2nd. Dan |
#6
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any chance you could put a Select Monitor on to see what the car is "telling you" when this happens? Have you run a trans diagnostic to see if any codes are hiding out?
-Bill
__________________
Retired NASA Rocket Scientist Most famous NASA "Child" - OSIRIS-REx delivered samples from asteroid BENNU to Earth in Sept. 2023 Center Network Member #989 '92 Fully caged, 5 speed, waiting for its fully built EG33 '92 "Test Mule", 4:44 Auto, JDM 4:44 Rear Diff with Mech LSD, Tuned headers, Full one-off suspension '92(?) Laguna, 6 spd and other stuff (still at OT's place) My Locker |
#7
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#8
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Mike, Maybe the trans is just trying to keep you from getting a speeding ticket? -Bill
__________________
Retired NASA Rocket Scientist Most famous NASA "Child" - OSIRIS-REx delivered samples from asteroid BENNU to Earth in Sept. 2023 Center Network Member #989 '92 Fully caged, 5 speed, waiting for its fully built EG33 '92 "Test Mule", 4:44 Auto, JDM 4:44 Rear Diff with Mech LSD, Tuned headers, Full one-off suspension '92(?) Laguna, 6 spd and other stuff (still at OT's place) My Locker |
#9
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#10
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Well I was just out trying to diagnose the problem and got a ticket for 'careless driving' nice.
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#11
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__________________
Matt Locker Link 2015 BRZ Limited 6MT 92 Ebony LS-L ECUtune Stage2av1, Z32 MAF, 370cc injectors, TomsSVX intake, BontragerWorks 22mm RSB #003, HID Hi and Lo beams, OT endlink and bushing mods, PWR Aluminum radiator, Harvey's QC shift kit, 2.5" flowmaster 80 exhaust, 17" Michelin Pilot Sport A/S, Poly sway bar bushings, Slotted Bradi rotors, AFBeefcake powdercoated calipers, 97 grill, and a huge set of air horns. 300,000 miles and counting 92 Ebony LS-L. ecutune stage1v4, motorsport 1pc pulley. Garage Queen - sold to Dad in upstate NY 155,000 miles 19 Subaru Ascent Premium - -Hers !. 89 DL 4x4 little red wagon - a.k.a. The immortal suby. 275k R.I.P. |
#12
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have you read the tranny codes?
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#13
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#14
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Mike,
"Careless driving"? You? I can't believe it Given all the parts you've got lying around (in addition to extra snorkuses ) I'd suggest swapping out the ECU first to see if there isn't an issue with it telling the TCU that it "has" to shift. If this doesn't fix things, then I'm with Matt on swapping out the TCU. -Bill
__________________
Retired NASA Rocket Scientist Most famous NASA "Child" - OSIRIS-REx delivered samples from asteroid BENNU to Earth in Sept. 2023 Center Network Member #989 '92 Fully caged, 5 speed, waiting for its fully built EG33 '92 "Test Mule", 4:44 Auto, JDM 4:44 Rear Diff with Mech LSD, Tuned headers, Full one-off suspension '92(?) Laguna, 6 spd and other stuff (still at OT's place) My Locker |
#15
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Mike,
Have you checked the TPS? Is it set at 0.50V?
__________________
"Wise men talk because they have something to say; fools, because they have to say something." - Plato 2013 Cosmic Blue 5spd Evo X GSR 2006 Galaxy Gray 6MT RX-8 (sold) 2006 Steel Gray WRX TR (sold) 1996 Brilliant Red SVX L (sold) |
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