Overdrive Brake: Reassembly
WARNING: This page does not describe the selected car, but rather 22 other vehicles, including the 2005 Lexus SC 430, 2005 Lexus IS 300, 2005 Lexus GS 430, 2005 Lexus GS 300, and 2004 Lexus SC 430. However, it is still accessible from the selected car via links, so may be relevant.
- To reassemble, reverse disassembly procedure. Coat seal rings with ATF prior to installation. DO NOT over expand seal rings during piston installation. Ensure seal rings move smoothly after installation.
- Install NEW "O" rings on OD brake piston. Use care not to damage "O" rings during piston installation. Install snap ring in overdrive support and ensure end of snap ring is not aligned with cut-out portion of overdrive support.
- Ensure tabs on all races are aligned with areas on support. Coat races and thrust bearings with petroleum jelly prior to installation. Place support on direct clutch assembly and apply air pressure to piston supply port. Ensure piston operates smoothly in support. See Fig 2.