Subaru Factory Service Manual Brake Band adjustment
Quoted from page 111;
"1. Brake Band
If the following abnormal shifting conditions are noted in a road test, the brake band must be adjusted.
Impropper brake band clearances and their symptoms
clearance 1 "Too wide";Upshift from 1st directly 3rd gear occurs.
clearance 2 "Wide". Engine rpm increases abruptly while upshifting from 1st to 2nd gear, or 3rd to 4th gear.
clearance 2 "wide" . Time lag of at least one second occurs during kickdown operation from 3rd to 2nd gear.
clearance 3 "Small" . "Braking" symptom occurs while upshifting from 2nd to 3rd gear.
clearance 4 "Too small" Upshifts from 2nd to 4th gear and downshifts from 4th to 2nd gear occur repeatedly.
Adjustment of the adjusting screw.
1) Using a socket wrench, immobilize the end of the of the 7mm screw projecting on the left side of the transmission case, and loosen the nut with a double end wrench.
In the case of occurance 1) and 2) mentioned previously, preform the adjustment by loosening or tightening the nut within a range of 3/4 turn from this state.
tool# 398603610, tool name SOCKET WRENCH
Do not loosen excessively; otherwise, the band strut on the servo piston will drop off.
2) In the case of the occcurance of problems 1 and 4 mentioned previously, perform the adjustment as follows:
Adjusting procedure: Tighten the screw to 9 N.M(0.9kg-m, 6.5 ft-lb) torque, then back off three turns.
Do not tighten the adjustment screw with an excessively large torque.
3) With the adjusting screw immobilized, tighten the lock nut to 25-28 N.M (2.5-2.9 kg-m, 18-21 ft-lb) torque."
All of this is strait from the book.
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