7B1-78 AUTOMATIC TRANSMISSION (4 A / T)
PART INSPECTION AND CORRECTION TABLE
Part Inspect for Correction
Casted part, machined part
Small flaw, burr Remove with oil stone.
Deep or grooved flaw Replace part.
Clogged fluid passage Clean with air or wire.
Flaw on installing surface, residual gasket Remove with oil stone or replace
part.
Crack Replace part.
Bearing
Unsmooth rotation Replace.
Streak, pitting, flaw, crack Replace.
Bushing, thrust washer Flaw, burr, wear, burning Replace.
Oil seal, gasket
Flawed or hardened seal ring Replace.
Worn seal ring on its periphery or side Replace.
Piston seal ring, oil seal, gasket, etc. Replace.
Gear
Flaw, burr Replace.
Worn gear tooth Replace.
Splined part Burr, flaw, torsion Correct with oil stone or replace.
Snap ring
Wear, flaw, distortion Replace.
No interference Replace.
Thread
Burr Replace.
Damage Replace.
Spring Settling, sign of burning Replace.
Clutch disc, brake disc Wear, burning, distortion, damaged claw Replace.
Clutch plate, brake plate Wear, burning, distortion, damaged claw Replace.
Sealing surface (where lip
contacts)
Flaw, rough surface, stepped wear, foreign
material
Replace.
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