Transmission will not downshift

Jet Krosswind · 08-10-2008, 05:34 PM

Hey everyone, I've been having a problem with my Supra with it refusing to downshift when the pedal is down to the floor. In my repair manual it says it is the kickdown cable, but offers no help on fixing it. Any ideas?

87 Supra NA

MK3PIMP · 08-11-2008, 04:27 AM

Get Another Tran It Should Only Be Like 100 Bucks

btwilson86 · 08-11-2008, 07:26 AM

Your tranny kickdown cable should be relatively easy to adjust. In case you don't know what the cable is, it's the one that goes up to the throttle linkage from down below the car. When this cable is pulled completely, you should hear a "click" sound from the tranny. If the cable does not get extended to this point when you put the pedal to the floor, then you will need to adjust it.

If it's just slightly off you should be able to adjust the nuts on the cable enough to move it a little forward or back, whichever your car needs. Also, make sure that the bracket that holds the cable is at the proper angle, as this will throw it out of adjustment as well.

You may also want to verify that your TPS is adjusted within specs per the TSRM.

What I have stated may not be the correct way to fix it, but this is what I did when my tranny would not downshift when I would step on it.

Jet Krosswind · 08-12-2008, 06:16 AM

thanks for the help!

cme_drft · 08-22-2008, 05:49 PM

Mine was doing that when i first bought it. I replaced the little yellow tranny computer box behind the pass side kick panel. Made it good as new.

08-10-2008, 05:34 PM	#1
Jet Krosswind Stock Join Date: Mar 2008 Location: USA Posts: 10	Transmission will not downshift Hey everyone, I've been having a problem with my Supra with it refusing to downshift when the pedal is down to the floor. In my repair manual it says it is the kickdown cable, but offers no help on fixing it. Any ideas? 87 Supra NA

08-11-2008, 07:26 AM	#3
btwilson86 Super Moderator Join Date: May 2007 Location: Billings, Montana Posts: 1,034	Your tranny kickdown cable should be relatively easy to adjust. In case you don't know what the cable is, it's the one that goes up to the throttle linkage from down below the car. When this cable is pulled completely, you should hear a "click" sound from the tranny. If the cable does not get extended to this point when you put the pedal to the floor, then you will need to adjust it. If it's just slightly off you should be able to adjust the nuts on the cable enough to move it a little forward or back, whichever your car needs. Also, make sure that the bracket that holds the cable is at the proper angle, as this will throw it out of adjustment as well. You may also want to verify that your TPS is adjusted within specs per the TSRM. What I have stated may not be the correct way to fix it, but this is what I did when my tranny would not downshift when I would step on it. __________________ 1989 7MGTE R154 Targa Top White Package w/Blue Interior Driftmotion 57trim CT26, Upgraded Intercooler, 2.25" Hard Pipes, 3" Turbo Back Exhaust with Test Pipe, HKS VPC w/GM 3 bar MAP sensor, APEXi S-AFC, Walbro 255lph fuel pump, ProSport EVO Series Boost / Fuel Pressure / AFR gauges, Lotek a Pillar Gauge Pod, HKS Type 0 Turbo Timer, Eibach Lowering Springs, Tokico Illumina II TEMS struts, custom powder coated Motegi Racing TrakLite wheels

08-22-2008, 05:49 PM	#5
cme_drft Stock Join Date: Aug 2008 Location: Germany Posts: 9	Mine was doing that when i first bought it. I replaced the little yellow tranny computer box behind the pass side kick panel. Made it good as new. __________________ 87 N/A R154 94 BMW 325i 4 SaLe 84 L-type RIP 08 Jetta Wolfsburg

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08-11-2008, 04:27 AM	#2
MK3PIMP Intake Join Date: Mar 2008 Location: LANCASTER Posts: 49	Get Another Tran It Should Only Be Like 100 Bucks

08-12-2008, 06:16 AM	#4
Jet Krosswind Stock Join Date: Mar 2008 Location: USA Posts: 10	thanks for the help!