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Transmission TECH/TALK

4L60E/65E/70E Input Carrier Change

The input carrier and the reaction carrier shaft were modified to accommodate the updated bearing.

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All 4L60E/65E/70E transmissions with a build date of 3-12-07 (Julian Date 7071) have changed the input carrier to a reaction carrier shaft bearing. The input carrier and the reaction carrier shaft were modified to accommodate the updated bearing.

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Figure 1.5
Figure 2.6

The input carrier was dimensionally changed, as shown in figure 1.5. The bearing changes are shown in figure 2.6, while the reaction carrier shaft dimensional changes can be seen in figure 3.7.

Figure 3.7

REASON:

It increased bearing capacity for durability reasons.

PARTS AFFECTED:

The input carrier to reaction carrier shaft bearing.

INTERCHANGEABILITY:

The current design level components must be used as an assembly to back service from all previously built transmissions.

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SERVICE INFORMATION:

Current Design Input Carrier to Reaction Carrier Shaft Bearing – # 24236092

Current Design Four Pinion Input Carrier – #24241241

Current Design Five Pinion Input Carrier – #24241248

Current Design Reaction Carrier Shaft – #24241255

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