My 1993 80 series with the A442f transmission was sometimes not shifting, flaring, skipping 2nd, and not downshifting. The problem was getting worse and I had to fix it. After some research on the forum and referencing the FSM, I decided it must be a solenoid issue. I took the pan off the transmission and checked one solenoid. The resistance was a bit high, it had a gritty sound/feel, and it would not hold a seal.
The solenoids through the dealer are an outrageous amount of money! After lots of searching, I found that the AW450-43LE transmission is identical (or at least uses the same solenoids) to the A442F. It was hard to find the part numbers and any first-hand experience installing them. The part numbers I found on the forum did not match what I ordered from the transmission supply website. Well I ordered the solenoids based on the supply website, and they worked great! I just want to share this on the forum, and hopefully make it easier for the next person to find.
Website part reference: FSM reference:
D49421A Solenoid, AW450-43LE (RNJ) Shift 1 --- Timing Solenoid
D49422A Solenoid, AW450-43LE (RNJ) Shift 2 --- No. 1 Solenoid
D49422A Solenoid, AW450-43LE (RNJ) Timing --- No. 2 Solenoid
D49425A Solenoid, AW450-43LE (RNJ) Lockup --- Lock-Up Solenoid
New Solenoids Installed:
Some back story on my Land Cruiser: it was my father's and he did not change the transmission fluid for 20 years and 250,000 miles. I had previously dropped the pan to change out the filter/screen and flush the old fluid. Well it seems some particles got into the solenoids and clogged them up.
My Cruiser:
The solenoids through the dealer are an outrageous amount of money! After lots of searching, I found that the AW450-43LE transmission is identical (or at least uses the same solenoids) to the A442F. It was hard to find the part numbers and any first-hand experience installing them. The part numbers I found on the forum did not match what I ordered from the transmission supply website. Well I ordered the solenoids based on the supply website, and they worked great! I just want to share this on the forum, and hopefully make it easier for the next person to find.
Website part reference: FSM reference:
D49421A Solenoid, AW450-43LE (RNJ) Shift 1 --- Timing Solenoid
D49422A Solenoid, AW450-43LE (RNJ) Shift 2 --- No. 1 Solenoid
D49422A Solenoid, AW450-43LE (RNJ) Timing --- No. 2 Solenoid
D49425A Solenoid, AW450-43LE (RNJ) Lockup --- Lock-Up Solenoid
New Solenoids Installed:
Some back story on my Land Cruiser: it was my father's and he did not change the transmission fluid for 20 years and 250,000 miles. I had previously dropped the pan to change out the filter/screen and flush the old fluid. Well it seems some particles got into the solenoids and clogged them up.
My Cruiser: