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4–1. CHECKING FLEXPLATE, ENGINE FEATURES
Transmission performance may be adversely affected by improper tolerances
existing between engine-to-transmission mating components. The drive connection
between the engine and transmission converter must transmit engine power,
properly locate and pilot the torque converter, and aid in controlling the forward
thrust of the converter.
Vibration, converter section fluid leaks, a worn front bushing or bearing, and/or a
worn engine crankshaft thrust bearing are frequently the result of exceeding
recommended tolerances in engine-to-transmission mating components. When these
conditions are encountered, certain important measurements should be investigated
before installing a repaired or new transmission.
These measurements are summarized in Table 4–1. Figure 4–1 illustrates the tooling
required for these measurements. Reference SIL 60-TR-81 (latest revision).
Figure 4–1. Tooling Used to Determine the Adaptation
Measurements of an AT 500 Series Transmission
PREPARING VEHICLE
FOR TRANSMISSION
INSTALLATION
SECTION
IV
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