USATransdoctor.com
These recommendations
do not cover all possibilities. They are some things to check before you have your transmission rebuilt. Always check transmission fluid level first. Always run a scanner on any computer controlled transmission. On modulated transmissions make sure they have enough vacuum.

  AUDI  
FIND THE MAKE OF YOUR VEHICLE
CLICK ON THE YEAR OF YOUR VEHICLE

80 1988-90 2.0L 089 1988-90 2.3L 087 1991-92 2.0L 089
  1991-92 2.3L 097    
90 1988-90 2.3L 087 1991-92 2.3L 097 1993-95 2.6 / 2.8L 097
100 1989-90 2.3L 087 1991 2.3L 097 1992-94 2.6/2.8L ZF4HP18
4000 1980-82 2.1L 087 1980-87 1.6 / 1.7 / 1.8L 089  
5000 1978-88 2.1 / 2.2 / 2.3L 087    
A4 1996-01 1.8 / 2.8L ZF5HP19    
A6 1995-97 2.3L ZF4HP18 1998-01 2.8L ZF5HP19  
A8 1997-01 3.7 / 4.2L ZF5HP19    
CABRIOLET 1994-98 2.8L 097    
COUPE 1981-87 2.1 / 2.2L 087    
V-8 1990-94 3.6 / 4.2L ZF4HP24 ALL WHL DR    
 

 

 

 

087 / 089
The transmissions above are front wheel drive, 3 speed automatics.  Common problems are: The transmission shifts soft and early. It shifts hard and late or erratic. 

Always check the throttle pressure cable that goes from your transmission to your carburetor or throttle body depending on the configuration of your engine. This controls the shift points and sometimes the cable can be no good or out of adjustment.

 

 

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ZF4HP18 / ZF4HP24
The transmissions above are rear wheel drive 4 speed automatics and shift timing is computer controlled.

If your transmission starts shifting erratic, make sure you have a shop run a scanner on the vehicle. Also check the throttle or kick down cable adjustment. 

Also make sure your clutch fan on the front of the motor is not starting to seize up. This causes the engine to sound unusually loud almost like the transmission is not shifting into 4th gear.

 

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097
The transmission above is a 4 speed front wheel drive. They are all computer controlled.  If your transmission starts shifting erratic or not at all, then make sure you or a shop run a scanner on the vehicle.

You want to see if you have a  sensor that has gone bad, causing your problems. The vehicle speed and throttle valve potentiometer sensors like to go bad on these vehicles. So keep that in mind.

 

 

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ZF5HP19
The transmission above is a 5 speed rear wheel drive. they can be
extremely expensive.

This transmission is all computer controlled. If your transmission starts shifting erratic or not at all, then make sure you or a shop run a scanner on the vehicle. You want to see if you have a  sensor that has gone bad, causing your problems.

I recommend being very careful when choosing a shop to diagnose or repair this transmission.

 

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