From prior posts (many from Gloria of Extreme4x4), it appears the list of things to do when rebuilding the 1991-1992 A4LD auto transmissions include:
A. Replace:
1. Torque converter with the better lock-up clutch and brazed fins (these are rebuilt units - not the Ford stock "garbage").
2. Clutches including the forward one-way clutch (even if it looks OK).
3. Pump with a new Ford factory unit (no rebuilds).
4. Change bands, both servos (for 2nd & overdrive), seals, and overdrive drum (they get warped).
5. The 3 rubber plugs at top of transmission with metal plugs.
B. Consider getting a "real transmission fluid cooler" (stacked plate type) to replace the stock unit.
C. In 1993 there were significant upgrades to the A4LD auto transmissions (including replacing most thrust bearings with torrington bearings).
Gloria and others have mentioned Dougs Transmission in Arizona as being able to do a great job of rebuilding the A4LD to a heavy duty version (and apparently he will rebuild transmissions shipped to him).
Questions:
1. Would you please suggestion additions, corrections, etc. to the above list?
2. Where can one get the upgraded torque converter with the better lock-up clutch, brazed fins (the rebuilt units)? Perhaps Baumann Engineering (Pendleton, South Carolina).
3. What is a good "real transmission fluid cooler"? Does this imply replacing the stock plastic radiator with a metal radiator and good internal transmission fluid cooler?
My A4LD auto transmission is still functioning OK (sort of OK) - but I want to have a rebuild and your suggestions and advice will be appreciated. Perhaps we can make a A4LD rebuild advisory page.
Mike in Seattle.
A. Replace:
1. Torque converter with the better lock-up clutch and brazed fins (these are rebuilt units - not the Ford stock "garbage").
2. Clutches including the forward one-way clutch (even if it looks OK).
3. Pump with a new Ford factory unit (no rebuilds).
4. Change bands, both servos (for 2nd & overdrive), seals, and overdrive drum (they get warped).
5. The 3 rubber plugs at top of transmission with metal plugs.
B. Consider getting a "real transmission fluid cooler" (stacked plate type) to replace the stock unit.
C. In 1993 there were significant upgrades to the A4LD auto transmissions (including replacing most thrust bearings with torrington bearings).
Gloria and others have mentioned Dougs Transmission in Arizona as being able to do a great job of rebuilding the A4LD to a heavy duty version (and apparently he will rebuild transmissions shipped to him).
Questions:
1. Would you please suggestion additions, corrections, etc. to the above list?
2. Where can one get the upgraded torque converter with the better lock-up clutch, brazed fins (the rebuilt units)? Perhaps Baumann Engineering (Pendleton, South Carolina).
3. What is a good "real transmission fluid cooler"? Does this imply replacing the stock plastic radiator with a metal radiator and good internal transmission fluid cooler?
My A4LD auto transmission is still functioning OK (sort of OK) - but I want to have a rebuild and your suggestions and advice will be appreciated. Perhaps we can make a A4LD rebuild advisory page.
Mike in Seattle.