TransGo SK 604 Non-VLP Shift Kit

This document provides detailed installation instructions for the TransGo SK 604 Non-VLP Shift Kit, designed to enhance the performance and reliability of specific automatic transmissions. The kit addresses common issues such as delay or absence of forward/reverse engagement, rough coast-down shifts, and stabilizes clutch pressure and CVI values.

Applicable Transmissions:

• 604/41TE (1989-2006)
• 606/42LE (1989-2006)
• 42RLE (2003-2006)

Note: A specific kit, P/N SK 42RLE-VLP, is available for 2006up 604 and 42RLE VLP models equipped with a Pressure Control Solenoid.

Key Benefits:

• Corrects and prevents delay or no forward/reverse engagement.
• Reduces rough coast-down shifts (e.g., 4-3).
• Stabilizes clutch pressure and CVI.
• Improves overall transmission shifting quality and responsiveness.

This guide outlines the necessary steps, including component replacement and modifications, to properly install the shift kit. It emphasizes the use of specific parts and techniques to ensure optimal results and longevity of the transmission.