having a transmission problem

Twist it up · April 27th, 2011, 04:26 PM

i got an aod in my 89, it has been shifting fine manually at the track but last saturday when i shifted into 2nd it went into 2nd then straight into 3rd, the kickdown is tight and it doesn't slip any, any ideas from the great 5.0 guys in here?

dblzroracin · April 28th, 2011, 02:24 PM

What gears are you running?

Twist it up · April 29th, 2011, 10:30 AM

4.10's but it just started it, used to shift fine

Twist it up · May 25th, 2011, 03:22 PM

no one here has ever had this problem?

horsepowerjunkie · May 25th, 2011, 03:52 PM

If the aod is all stock, thats the way they normally shift when you shift them manually. Normally you will have to do whats called a shuttle shift, which is manually shift into second, then pull it back into first, it should stay in 2nd, then when you shift into 2nd again it will go into 3rd.

Your best bet would be a Trans Go AOD HP shift it which replaces the manual valve so you can hold 1,2,3 to any rpm, plus it comes with a high rpm govener kit that allows you to leave it in D and it will shift itself between 5500-6000 depending on the throttle cable setting.

dblzroracin · May 26th, 2011, 10:25 AM

I have seen AODs shift alot quicker even with 3.73 gears are installed. Like stated above pull the shifter back to 1st after shifting into 2nd to hold 2nd gear as long as you want.

PhillyGT · May 26th, 2011, 04:28 PM

Manually shifting on a stock aod is gonna kill it pretty quick.Sound like your gonna need to fix it soon anyway..Get a stall and a manual valvebody.I getting mine rebuilt next week.My old one didnt last long with me beating on it.

Twist it up · May 27th, 2011, 05:28 PM

Originally Posted by horsepowerjunkie

If the aod is all stock, thats the way they normally shift when you shift them manually. Normally you will have to do whats called a shuttle shift, which is manually shift into second, then pull it back into first, it should stay in 2nd, then when you shift into 2nd again it will go into 3rd.

Your best bet would be a Trans Go AOD HP shift it which replaces the manual valve so you can hold 1,2,3 to any rpm, plus it comes with a high rpm govener kit that allows you to leave it in D and it will shift itself between 5500-6000 depending on the throttle cable setting.

it has the trans go kit and a ptc stall converter, it use 2 hold 1st, still holds 1st, goes into 2nd then into 3rd now, i can't figure it out, i hadn,t changed anything, i even clamped off the cable so it'll have constant pressure but it still shifts early, it's a drag car not a street car, 1/8th mile at a time

April 27th, 2011, 04:26 PM	#1
Twist it up Regular 1990 hatchback lx Join Date: Oct 2007 Location: north alabama Posts: 227 iTrader: 0 reviews	having a transmission problem i got an aod in my 89, it has been shifting fine manually at the track but last saturday when i shifted into 2nd it went into 2nd then straight into 3rd, the kickdown is tight and it doesn't slip any, any ideas from the great 5.0 guys in here? __________________ www.hsvracing.com

April 28th, 2011, 02:24 PM	#2
dblzroracin Regular 92 Mustang GT vert Join Date: Aug 2005 Location: Memphis, TN Posts: 151 iTrader: 0 reviews	What gears are you running? __________________ www.bbandtracing.com

April 29th, 2011, 10:30 AM	#3
Twist it up Regular 1990 hatchback lx Join Date: Oct 2007 Location: north alabama Posts: 227 iTrader: 0 reviews	4.10's but it just started it, used to shift fine __________________ www.hsvracing.com

May 25th, 2011, 03:22 PM	#4
Twist it up Regular 1990 hatchback lx Join Date: Oct 2007 Location: north alabama Posts: 227 iTrader: 0 reviews	no one here has ever had this problem? __________________ www.hsvracing.com

May 25th, 2011, 03:52 PM	#5
horsepowerjunkie Hardcore Enthusiast 1989 Black LX---Turbo Join Date: Jun 2010 Location: just outside Minot, ND Posts: 1,153 iTrader: 0 reviews	If the aod is all stock, thats the way they normally shift when you shift them manually. Normally you will have to do whats called a shuttle shift, which is manually shift into second, then pull it back into first, it should stay in 2nd, then when you shift into 2nd again it will go into 3rd. Your best bet would be a Trans Go AOD HP shift it which replaces the manual valve so you can hold 1,2,3 to any rpm, plus it comes with a high rpm govener kit that allows you to leave it in D and it will shift itself between 5500-6000 depending on the throttle cable setting. __________________ 89 LX Black, Boss 331, C4,T76BB, FAST EFI 82 Capri RS,89 5.0 HO,Comp XE266,TW 170,T5,etc. 73 Dart Sport 340, 410ci Bracket Brawler 72 Demon 340 4-speed 1 of 1667 01 Ram Quad Cab 03 Grizzley 660

May 26th, 2011, 10:25 AM	#6
dblzroracin Regular 92 Mustang GT vert Join Date: Aug 2005 Location: Memphis, TN Posts: 151 iTrader: 0 reviews	I have seen AODs shift alot quicker even with 3.73 gears are installed. Like stated above pull the shifter back to 1st after shifting into 2nd to hold 2nd gear as long as you want. __________________ www.bbandtracing.com

May 26th, 2011, 04:28 PM	#7
PhillyGT Enthusiast 2001 Mustang GT 13.8@101.58mph! Join Date: Feb 2010 Location: Philadelphia PA Posts: 621 iTrader: 0 reviews	Manually shifting on a stock aod is gonna kill it pretty quick.Sound like your gonna need to fix it soon anyway..Get a stall and a manual valvebody.I getting mine rebuilt next week.My old one didnt last long with me beating on it. __________________ Dropped on Eibachs,K&N FIPK,Mac-prochamber o/r,Flowmasters.Short throw,Heavy Right Foot Mod

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