Standard Ignition TM-17 Automatic Transmission Vacuum Modulator

Automatic Transmission Vacuum Modulator for Buick

Standard Ignition TM-17 is an automatic transmission vacuum modulator built with a brass finish for consistent operation and precise transmission control. It is a direct-fit replacement for select Buick LeSabre and Buick Skylark applications from 1964-1969.

Key Features

• Brass finish for durable corrosion resistance
• Automatic transmission vacuum modulator for transmission shift control
• Built with high-grade materials for dependable operation
• Engineered with dimensional precision for service replacement use
• Fits 1964-1969 Buick LeSabre and 1964-1969 Buick Skylark

Product Details

Standard Ignition TM-17 is an OE-style automatic transmission vacuum modulator designed for Buick LeSabre and Buick Skylark models across the 1964-1969 model years. The brass construction supports stable performance in transmission vacuum modulation, helping maintain proper shift behavior as part of the automatic transmission system. This part number, TM-17, is built for technicians and restorers who need a replacement that addresses common failure points found in original equipment modulators.

This part cross-references Monroe Shocks & Struts (e.g., TM105, TM949) for the same application.

Common Issues It Can Address

• Harsh or delayed automatic transmission shifts
• Vacuum modulator leakage
• Transmission shift timing irregularities
• Loss of vacuum signal control to the transmission
• Replacement needs on classic Buick LeSabre and Buick Skylark vehicles

Installation Notes and Tips

Verify the transmission application and vacuum line routing before installation. Inspect the vacuum hose, fittings, and surrounding transmission components for wear or damage during service. Confirm the replacement modulator matches the original mounting and connection style for your Buick LeSabre or Buick Skylark application. Standard Ignition TM-17 should be installed according to the vehicle service procedure for the specific transmission.

Quality Assurance

Standard Ignition uses high-grade materials and precision-focused manufacturing for transmission modulators. The TM-17 is developed from long-term industry research and engineering experience to address known original equipment failure concerns in service applications.