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#1
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TCU Diagram
Okey Dokey, guys. You asked for it, you got it . . . (no, I'm not gonna say the "T" word )
Here's a diagram of the TCU
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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 |
#2
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solenoid pack
Randy, I was considering having the solenoid pack replaced last week, $229 for parts, tech said no. The pack consists of 4 solenoids, why are more shown in the spec sheet?
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LS-L 92 black top silver bullet-Turned into a 2005 Jeep TJ Unlimited 2012 Outback 3.6R Limited! |
#3
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Re: solenoid pack
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 |
#4
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I had my hands on the solenoid pack last week, 2 shift, 1 lock up,1 fluid pump. Not six, only four.
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LS-L 92 black top silver bullet-Turned into a 2005 Jeep TJ Unlimited 2012 Outback 3.6R Limited! |
#5
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Re: Re: solenoid pack
Quote:
Shift Solenoids 1, 2 and 3 are mounted to the control valve. According to the manual, "These solenoids are turned on or off occording to signals sent from the TCU. The gear positions are changed according to the on and off condition of these solenoids." Shift Solenoid 3 is "turned on or off according to the signal sent from the TCU. This operation controls the engagement and disengagement of the overrunning clutch." Duty Solenoid A is also mounted to the control valve and controls line pressure (Thus the full line pressure from the "resistor mod" which disables duty solenoid A). Duty Solenoid B is mounted to the control valve also and controls Lock up. It controls the lock up control valve which provides "smooth engagement" of the lock-up clutch. Duty Solenoid C is mounted on the inside of the extension case. Its signal from the TCU "controls the transfer control valve for controlling the transfer clutch hydraulic oil pressure." So, there's my "Reader's Digest" version of the manual's explanation of the SIX solenoids (3 Shift, 3 Duty).
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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 |
#6
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Since there are only 4 solenoids, some of those puppys are doing double duty.
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LS-L 92 black top silver bullet-Turned into a 2005 Jeep TJ Unlimited 2012 Outback 3.6R Limited! |
#7
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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 |
#8
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Randy,
The 4 solenoid pack that was shown to me had 2 shift solenoids, 1 lock up & 1 fluid pressure, could it be that the tranny techs don't consider the other 2 solenoids vital?
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LS-L 92 black top silver bullet-Turned into a 2005 Jeep TJ Unlimited 2012 Outback 3.6R Limited! |
#9
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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 |
#10
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Quote:
Lwin
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Lwin M. Maung (Member # 147) Current SVX: • NONE Previous SVXes: •1994 LE Barcelona Red 107k • 1992 LS-L Pearl White 143k • 1994 LSi Bordeaux Pearl 220k • 1992 LS-L Ebony Pearl 184k • 1992 LS-L Liquid Silver 145k • 1992 LS-L Liquid Silver 102k • 1992 LS-L Ebony Pearl 123k Other current cars:•2001 Jeep Grand Cherokee Black If at first you don't succeed, CHEAT!
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