Subaru Workshop Manuals
Hatchback 4WD F4-1781cc 1.8L (1983)
Transmission and Drivetrain > Continuously Variable Transmission/Transaxle, CVT > Component Information > Technical Service Bulletins > Technical Service Bulletins for Continuously Variable Transmission/Transaxle: > Page 1671
Continuously Variable Transmission/Transaxle: Technical Service Bulletins
TSB 89-27 (Sept)
SUBJECT: TWENTY STEPS TO SUCCESSFUL TRANSMISSION REPAIR
As you start work on a transmission, read your ATRA bulletins pertaining to that transmission. (If you do this every time, before you know it you'll
Clean the entire transmission, including the valve body.
Check pumps, valve bodies, and cases for warpage.
Flat file pumps, valve bodies, and cases. (Just a few strokes with the file to knock off high spots and handle burrs.)
Check all pump gear clearances.
Check planet pinion endplay and side to side motion.
Soak all planet assemblies.
Soak all friction material for 15-30 minutes.
Sand, tumble, or replace all steel plates.
Re-surface all drums on which a band rides.
Replace all rotating oi1 control rings.
Check all oil control rings, and rubber products in their bores for proper fit.
Replace all major support bushings and bushings that control lube oil.
Pre-lubricate all bushings and thrust washers.
Pre-fill torque converters.
Use available manuals to find specifications.
Set correct clutch and band clearances
Take the time to set total unit endplay
Use a torque wrench on all pumps and valve bodies.
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