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DIAGNOSIS, MAINTENANCE, BASIC ADJUSTMENT

DIAGNOSIS, MAINTENANCE, BASIC ADJUSTMENT. Chapter 3 Lab Manual Page 29. IDENTIFICATION. The quickest way to ID a Trans is by the shape of the oil pan (see Fig. 3-1). For oil pan ID see pages 39 - 49 of your NAPA catalog. To decipher tag #’s see page 27 - 38 of your NAPA catalog. Page 29.

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DIAGNOSIS, MAINTENANCE, BASIC ADJUSTMENT

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  1. DIAGNOSIS, MAINTENANCE, BASIC ADJUSTMENT • Chapter 3 • Lab Manual • Page 29

  2. IDENTIFICATION • The quickest way to ID a Trans is by the shape of the oil pan (see Fig. 3-1). • For oil pan ID see pages 39 - 49 of your NAPA catalog. • To decipher tag #’s see page 27 - 38 of your NAPA catalog. Page 29

  3. DIAGNOSTICS • Is the problem: • Hydraulic, Mechanical, Electronic • Or is the problem engine related? • Poor engine performance • Low engine vacuum. Page 32

  4. FLUID CHECK • First Check Fluid Level. • Check dip stick for type of fluid. • Any special instructions. • Vehicle Level • Normal operating temperature. Page 34

  5. FLUID CHANGES • A transmission service should include: • Changing oil filter, • Oilpan gasket, • Adjust Bands, • Adjust TV linkage or Cable, • Check Modulator, • Adjust Manual linkage. Page 34

  6. FLUID LEAKS • External leaks: • Front pump seal • Front pump O’ring • Cooler lines • Manual shaft seal • Speedometer driven gear and adapter • Oil pan gasket • Rear seal Page 38

  7. Checking Vacuum Page 46

  8. MODULATOR • Modulator should hold vacuum for 1 minute with out leaking down. • No fluid should come from vacuum nipple. Page 46

  9. Manual Linkage • The purpose of the manual linkage adjustment is to put the manual valve, shift indicator and detent in proper relationship. Page 48

  10. P R N D 2 1 COLUMN DETENT • Align column detent, valve body detent and shift indicator. Page 48

  11. Manual Adjustment Page 48

  12. TV ADJUSTMENT • Adjust throttle cable to get WOT. • TV plunger must be bottomed out. Page 50

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