A/T - 700R4 Updated Input Drum

SIL 87-17 (June)

SUBJECT: 700 R4

Changes in the input drum for 1987

THM 700 R4 transmissions with auxiliary valve bodies use solid Teflon sealing rings that require installation and sizing tools. When servicing the turbine shaft seals, DO NOT USE SCARF CUT SEALS on a transmission with an auxiliary valve body.

Four input housing and turbine shaft assemblies are available for 1987 model transmissions:

PART NUMBER DESCRIPTION

8657901 298 mm Turbine Shaft and input housing with scarf cut seals (for a transmission without an auxiliary valve body)

8657902 245 mm Turbine Shaft and input housing with scarf cut seals (for a transmission without an auxiliary valve body)

8657903 245 mm Turbine Shaft and input housing with solid seals (for a transmission with an auxiliary valve body)

8657904 298 Turbine Shaft and input housing with solid seals (for a transmission with an auxiliary valve body)

8667035 Package of one solid teflon sealing ring used on transmissions with an auxiliary valve body.





Input housing and shaft assemblies used on transmissions with an auxiliary valve body are not interchangeable with previous model year transmissions