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Standard Ignition TM-29 Automatic Transmission Vacuum Modulator
Reliable Automatic Transmission Vacuum Modulator for Ford and Mercury Vehicles
The Standard Ignition TM-29 automatic transmission vacuum modulator is designed to maintain proper transmission function in select Ford and Mercury models. This component helps regulate transmission shifting by controlling vacuum pressure, ensuring smooth gear changes and optimal vehicle performance.
- Compatible with a wide range of Ford and Mercury vehicles including Bronco, Mustang, F-150, and Cougar
- Part number TM-29 for precise identification and fitment
- Designed to regulate vacuum pressure for automatic transmission systems
- Durable construction to withstand typical operating conditions
- Direct replacement for original equipment modulators
Product Details and Compatibility
The Standard Ignition TM-29 vacuum modulator is engineered for automatic transmissions in various Ford and Mercury models such as the Ford Bronco, Mustang, F-150, and Mercury Cougar. This modulator plays a critical role in controlling the transmission’s hydraulic pressure by responding to engine vacuum signals. Proper modulation ensures smooth shifting and helps prevent transmission slippage or harsh gear changes. The TM-29 is a direct replacement part, designed to meet or exceed OEM specifications for reliable performance.
Common Applications and Problem Resolution
- Helps resolve delayed or harsh shifting in automatic transmissions
- Addresses transmission slippage caused by vacuum leaks or faulty modulators
- Improves overall transmission response and drivability in Ford and Mercury vehicles
- Prevents erratic shifting behavior related to vacuum modulation issues
- Restores proper transmission function in models like the Ford F-150 and Mercury Marquis
Installation Notes and Tips
When installing the Standard Ignition TM-29 vacuum modulator, ensure the vacuum line is securely connected and free of cracks or leaks. It is important to verify that the modulator is properly seated and aligned with the transmission to avoid vacuum loss. Consult the vehicle’s service manual for specific torque specifications and installation procedures. Testing the vacuum line for leaks before installation can help prevent future transmission issues.
Quality Assurance and Warranty Information
Standard Ignition parts are manufactured to meet industry standards for quality and durability. The TM-29 vacuum modulator undergoes rigorous testing to ensure reliable operation in compatible Ford and Mercury vehicles. While specific warranty details may vary, Standard Ignition typically offers coverage against defects in materials and workmanship. Refer to the product packaging or manufacturer documentation for exact warranty terms.
This part fits 153 vehicles. Search below:
| Year | Make | Model | Transmission | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1986 | Ford | F-150 | 4.9L | L6 | N/A | ||
| 1985 | Ford | Escort | N/A | w/o High Altitude Emissions; w/ Yellow Stripe | |||
| 1985 | Ford | F-150 | 5.0L | V8 | N/A | ||
| 1985 | Ford | F-150 | 4.9L | L6 | N/A | ||
| 1985 | Ford | Mustang | 5.0L | V8 | N/A | w/o High Altitude Emissions; w/ Yellow Stripe; w/ Single Diaphragm | |
| 1985 | Ford | Mustang | 3.8L | V6 | N/A | w/o High Altitude Emissions; w/ Yellow Stripe; w/ Single Diaphragm | |
| 1985 | Ford | Tempo | N/A | w/o High Altitude Emissions; w/ Yellow Stripe | |||
| 1985 | Ford | Thunderbird | 5.0L | V8 | N/A | w/o High Altitude Emissions; w/ Yellow Stripe; w/ Single Diaphragm | |
| 1985 | Mercury | Capri | 5.0L | V8 | N/A | w/o High Altitude Emissions; w/ Yellow Stripe; w/ Single Diaphragm | |
| 1985 | Mercury | Cougar | 5.0L | V8 | N/A | w/o High Altitude Emissions; w/ Yellow Stripe; w/ Single Diaphragm | |
| 1985 | Mercury | Cougar | 2.3L | L4 | N/A | w/o High Altitude Emissions; w/ Yellow Stripe; w/ Single Diaphragm | |
| 1985 | Mercury | Lynx | N/A | w/o High Altitude Emissions; w/ Yellow Stripe | |||
| 1985 | Mercury | Topaz | N/A | w/o High Altitude Emissions | |||
| 1984 | Ford | Escort | N/A | w/o High Altitude Emissions; w/ Yellow Stripe | |||
| 1984 | Ford | F-150 | 4.9L | L6 | N/A | ||
| 1984 | Ford | F-150 | 5.0L | V8 | N/A | ||
| 1984 | Ford | Mustang | 3.8L | V6 | N/A | w/ Yellow Stripe | |
| 1984 | Ford | Mustang | 5.0L | V8 | N/A | w/o High Altitude Emissions; w/ Yellow Stripe; w/ Single Diaphragm | |
| 1984 | Ford | Tempo | N/A | w/o High Altitude Emissions; w/ Yellow Stripe | |||
| 1984 | Ford | Thunderbird | 3.8L | V6 | N/A | w/ Yellow Stripe | |
| 1984 | Ford | Thunderbird | N/A | w/ Yellow Stripe | |||
| 1984 | Mercury | Capri | 5.0L | V8 | N/A | w/o High Altitude Emissions; w/ Yellow Stripe; w/ Single Diaphragm | |
| 1984 | Mercury | Capri | 3.8L | V6 | N/A | w/ Yellow Stripe | |
| 1984 | Mercury | Cougar | 2.3L | L4 | N/A | w/o High Altitude Emissions; w/ Yellow Stripe; w/ Single Diaphragm | |
| 1984 | Mercury | Cougar | 3.8L | V6 | N/A | w/ Yellow Stripe | |
| 1984 | Mercury | Cougar | 5.0L | V8 | N/A | w/o High Altitude Emissions; w/ Yellow Stripe; w/ Single Diaphragm | |
| 1984 | Mercury | Lynx | N/A | w/o High Altitude Emissions; w/ Yellow Stripe | |||
| 1984 | Mercury | Marquis | 3.8L | V6 | N/A | w/ Yellow Stripe | |
| 1984 | Mercury | Topaz | N/A | w/o High Altitude Emissions | |||
| 1983 | Ford | Escort | N/A | w/o High Altitude Emissions; w/ Yellow Stripe | |||
| 1983 | Ford | Mustang | 3.8L | V6 | N/A | w/ Yellow Stripe | |
| 1983 | Ford | Mustang | 5.0L | V8 | N/A | w/o High Altitude Emissions; w/ Yellow Stripe; w/ Single Diaphragm | |
| 1983 | Ford | Thunderbird | 5.0L | V8 | N/A | w/o High Altitude Emissions; w/ Yellow Stripe; w/ Single Diaphragm | |
| 1983 | Ford | Thunderbird | 3.8L | V6 | N/A | w/ Yellow Stripe | |
| 1983 | Ford | Thunderbird | 2.3L | L4 | N/A | w/o High Altitude Emissions; w/ Yellow Stripe; w/ Single Diaphragm | |
| 1983 | Mercury | Capri | 5.0L | V8 | N/A | w/o High Altitude Emissions; w/ Yellow Stripe; w/ Single Diaphragm | |
| 1983 | Mercury | Capri | 3.8L | V6 | N/A | w/ Yellow Stripe | |
| 1983 | Mercury | Cougar | 5.0L | V8 | N/A | w/o High Altitude Emissions; w/ Yellow Stripe; w/ Single Diaphragm | |
| 1983 | Mercury | Cougar | 3.8L | V6 | N/A | w/ Yellow Stripe | |
| 1983 | Mercury | LN7 | N/A | w/o High Altitude Emissions; w/ Yellow Stripe | |||
| 1983 | Mercury | Lynx | N/A | w/o High Altitude Emissions; w/ Yellow Stripe | |||
| 1983 | Mercury | Marquis | 3.8L | V6 | N/A | w/ Yellow Stripe | |
| 1982 | Ford | Escort | N/A | w/o High Altitude Emissions; w/ Yellow Stripe | |||
| 1982 | Ford | Thunderbird | 3.8L | V6 | N/A | w/o High Altitude Emissions; w/ Yellow Stripe; w/ Single Diaphragm | |
| 1982 | Ford | Thunderbird | 4.2L | V8 | N/A | w/o High Altitude Emissions; w/ Yellow Stripe; w/ Single Diaphragm | |
| 1982 | Mercury | Capri | 5.0L | V8 | N/A | w/ Yellow Stripe | |
| 1982 | Mercury | Cougar | 2.3L | L4 | N/A | w/o High Altitude Emissions; w/ Yellow Stripe; w/ Single Diaphragm | |
| 1982 | Mercury | LN7 | N/A | w/o High Altitude Emissions; w/ Yellow Stripe | |||
| 1982 | Mercury | Lynx | N/A | w/o High Altitude Emissions; w/ Yellow Stripe | |||
| 1981 | Ford | Thunderbird | 5.0L | V8 | N/A | w/ Yellow Stripe; w/ Single Diaphragm | |
| 1980 | Ford | LTD | 5.0L | V8 | N/A | w/ Yellow Stripe; Model XP Trans. | |
| 1980 | Ford | LTD | 5.8L | V8 | N/A | w/ Yellow Stripe; w/ Single Diaphragm | |
| 1980 | Ford | Thunderbird | N/A | w/ Yellow Stripe; Model XP Trans. | |||
| 1980 | Mercury | Grand Marquis | 5.0L | V8 | N/A | w/ Yellow Stripe | |
| 1980 | Mercury | Marquis | 5.0L | V8 | N/A | w/ Yellow Stripe | |
| 1980 | Mercury | Monarch | 4.1L | L6 | N/A | w/ Yellow Stripe; w/ Single Diaphragm | |
| 1980 | Mercury | Monarch | 4.2L | V8 | N/A | w/ Yellow Stripe; w/ Single Diaphragm | |
| 1980 | Mercury | Monarch | 5.0L | V8 | N/A | ||
| 1979 | Ford | Fairmont | 5.0L | V8 | N/A | w/ Yellow Stripe; Model XP Trans. | |
| 1979 | Ford | LTD | 5.0L | V8 | N/A | w/ Yellow Stripe; Model XP Trans. | |
| 1979 | Ford | Mustang | N/A | w/ Yellow Stripe; Model XP Trans. | |||
| 1979 | Ford | Thunderbird | N/A | w/ Yellow Stripe; Model XP Trans. | |||
| 1979 | Ford | Thunderbird | N/A | w/ Yellow Stripe | |||
| 1979 | Mercury | Capri | 5.0L | V8 | N/A | Automatic Transmission Vacuum Modulator for Model XP Trans | |
| 1979 | Mercury | Cougar | 5.0L | V8 | N/A | w/ Yellow Stripe; Model XP Trans. | |
| 1979 | Mercury | Monarch | 5.0L | V8 | N/A | ||
| 1979 | Mercury | Zephyr | 5.0L | V8 | N/A | w/ Yellow Stripe; Model XP Trans. | |
| 1978 | Ford | F-100 | 4.9L | L6 | N/A | w/ Yellow Stripe | |
| 1978 | Ford | F-100 | 5.0L | V8 | N/A | w/ Yellow Stripe | |
| 1978 | Ford | F-100 | 6.6L | V8 | N/A | w/ Yellow Stripe | |
| 1978 | Ford | F-100 | 5.8L | V8 | N/A | w/ Yellow Stripe | |
| 1978 | Ford | F-250 | 7.5L | V8 | N/A | w/ Yellow Stripe | |
| 1978 | Ford | F-250 | 5.8L | V8 | N/A | w/ Yellow Stripe | |
| 1978 | Ford | F-250 | 6.6L | V8 | N/A | w/ Yellow Stripe | |
| 1978 | Ford | F-250 | 5.0L | V8 | N/A | w/ Yellow Stripe | |
| 1978 | Ford | F-250 | 4.9L | L6 | N/A | w/ Yellow Stripe | |
| 1978 | Ford | Fairmont | 5.0L | V8 | N/A | w/ Yellow Stripe; Model XP Trans. | |
| 1978 | Ford | LTD | N/A | w/ Yellow Stripe; Model XP Trans. | |||
| 1978 | Ford | Thunderbird | N/A | w/ Yellow Stripe | |||
| 1978 | Ford | Thunderbird | N/A | w/ Yellow Stripe; Model XP Trans. | |||
| 1978 | Mercury | Cougar | N/A | w/ Yellow Stripe; Model XP Trans. | |||
| 1978 | Mercury | Zephyr | 5.0L | V8 | N/A | w/ Yellow Stripe; Model XP Trans. | |
| 1977 | Ford | Bronco | N/A | ||||
| 1977 | Ford | E-100 Econoline | N/A | w/ Yellow Stripe; Model XP Trans. | |||
| 1977 | Ford | E-100 Econoline Club Wagon | 4.9L | L6 | N/A | w/ Yellow Stripe; w/ 1 Vacuum Port; Model XP Trans. | |
| 1977 | Ford | E-150 Econoline | N/A | w/ Yellow Stripe; Model XP Trans. | |||
| 1977 | Ford | E-150 Econoline Club Wagon | 4.9L | L6 | N/A | w/ Yellow Stripe; w/ 1 Vacuum Port; Model XP Trans. | |
| 1977 | Ford | F-100 | Automatic | N/A | w/ Yellow Stripe | ||
| 1977 | Ford | LTD | 5.8L | V8 | N/A | Automatic Transmission Vacuum Modulator for Model XP Trans | |
| 1977 | Mercury | Cougar | N/A | w/ Yellow Stripe; Model XP Trans. | |||
| 1977 | Mercury | Monarch | 5.8L | V8 | N/A | w/ Yellow Stripe; w/ Single Diaphragm | |
| 1977 | Mercury | Monarch | 3.3L | L6 | N/A | w/ Yellow Stripe; w/ Single Diaphragm | |
| 1976 | Ford | Bronco | Automatic | N/A | |||
| 1976 | Ford | E-100 Econoline | Automatic | 4.9L | L6 | N/A | w/ Yellow Stripe; w/ Sliding Door |
| 1976 | Ford | E-100 Econoline Club Wagon | 4.9L | L6 | N/A | w/ Yellow Stripe; Push-In Type; Model XP Trans. | |
| 1976 | Ford | E-150 Econoline | 4.9L | L6 | N/A | w/ Yellow Stripe; Model XP Trans.; w/ Sliding Door | |
| 1976 | Ford | E-150 Econoline Club Wagon | 4.9L | L6 | N/A | w/ Yellow Stripe; w/ 1 Vacuum Port; Model XP Trans. | |
| 1976 | Ford | F-100 | 4.9L | L6 | N/A | Push-In Type | |
| 1976 | Ford | F-150 | 4.9L | L6 | N/A | w/ Single Diaphragm; w/ PEA-3W Trans. | |
| 1976 | Ford | F-250 | 4.9L | L6 | N/A | w/ Single Diaphragm | |
| 1976 | Mercury | Bobcat | 2.8L | V6 | N/A | w/ Yellow Stripe; Model XP Trans. | |
| 1976 | Mercury | Monarch | 5.0L | V8 | N/A | Automatic Transmission Vacuum Modulator for Model XP Trans | |
| 1976 | Mercury | Monarch | 3.3L | L6 | N/A | w/ Yellow Stripe; w/ Single Diaphragm | |
| 1976 | Mercury | Monarch | 5.8L | V8 | N/A | w/ Yellow Stripe; w/ Single Diaphragm | |
| 1975 | Ford | Bronco | Automatic | N/A | |||
| 1975 | Ford | E-100 Econoline | 4.9L | L6 | N/A | w/ 1 Vacuum Port; Model XP Trans. | |
| 1975 | Ford | E-100 Econoline | 5.0L | V8 | N/A | w/ Single Diaphragm | |
| 1975 | Ford | E-150 Econoline | 5.0L | V8 | N/A | w/ Single Diaphragm | |
| 1975 | Ford | E-250 Econoline | 5.0L | V8 | N/A | w/ Single Diaphragm | |
| 1975 | Ford | F-100 | 4.9L | L6 | N/A | Push-In Type; Model XP Trans. | |
| 1975 | Ford | F-150 | 4.9L | L6 | N/A | w/ Single Diaphragm; w/ PEA-3W Trans. | |
| 1975 | Ford | F-250 | Automatic | N/A | Push-In Type | ||
| 1975 | Ford | F-250 | 4.9L | L6 | N/A | w/ Single Diaphragm | |
| 1975 | Mercury | Monarch | N/A | w/ 1 Vacuum Port | |||
| 1975 | Mercury | Montego | N/A | w/ 1 Vacuum Port; Model XP Trans. | |||
| 1974 | Ford | Bronco | 5.0L | V8 | N/A | ||
| 1974 | Ford | Bronco | N/A | ||||
| 1974 | Ford | E-100 Econoline | 5.0L | V8 | N/A | w/ Single Diaphragm | |
| 1974 | Ford | E-100 Econoline | N/A | w/ Single Diaphragm | |||
| 1974 | Ford | E-100 Econoline | Automatic | 4.9L | L6 | N/A | w/ 1 Vacuum Port |
| 1974 | Ford | F-250 | 4.9L | L6 | N/A | Push-In Type; Model XP Trans. | |
| 1974 | Ford | Pinto | 2.3L | L4 | N/A | w/ Yellow Stripe; w/ Single Diaphragm | |
| 1974 | Ford | Pinto | 2.0L | L4 | N/A | w/ Yellow Stripe; w/ Single Diaphragm | |
| 1973 | Ford | Bronco | -L | -- | N/A | ||
| 1973 | Ford | Bronco | 5.0L | V8 | N/A | ||
| 1973 | Ford | Bronco | N/A | ||||
| 1973 | Ford | E-100 Econoline | 5.0L | V8 | N/A | w/ Single Diaphragm | |
| 1973 | Ford | E-100 Econoline | N/A | w/ Single Diaphragm | |||
| 1973 | Ford | E-100 Econoline | Automatic | 4.9L | L6 | N/A | w/ 1 Vacuum Port |
| 1973 | Ford | F-250 | 4.9L | L6 | N/A | Push-In Type; Model XP Trans. | |
| 1973 | Ford | Mustang | N/A | Push-In Type; Model XP Trans. | |||
| 1972 | Ford | E-100 Econoline | 3.9L | L6 | N/A | w/ Single Diaphragm; w/ Push-In Type | |
| 1972 | Ford | E-100 Econoline | 4.9L | L6 | N/A | w/ Single Diaphragm; w/ Push-In Type | |
| 1972 | Ford | E-100 Econoline | 5.0L | V8 | N/A | w/ Single Diaphragm; w/ Push-In Type | |
| 1972 | Ford | E-100 Econoline | N/A | w/ Single Diaphragm; w/ Push-In Type | |||
| 1972 | Ford | F-100 | 4.9L | L6 | N/A | Push-In Type; Model XP Trans. | |
| 1972 | Ford | F-250 | 4.9L | L6 | N/A | Push-In Type; Model XP Trans. | |
| 1972 | Ford | F-350 | 4.9L | L6 | N/A | Push-In Type; Model XP Trans. | |
| 1972 | Ford | LTD | N/A | Push-In Type; Model XP Trans. | |||
| 1972 | Ford | Mustang | N/A | Push-In Type; Model XP Trans. | |||
| 1972 | Ford | Pinto | 2.0L | L4 | N/A | Push-In Type | |
| 1972 | Ford | Pinto | 1.6L | L4 | N/A | Push-In Type | |
| 1972 | Mercury | Cougar | N/A | w/ Push-In Type; Model XP Trans. | |||
| 1972 | Mercury | Montego | N/A | w/ Push-In Type | |||
| 1971 | Ford | LTD | N/A | Push-In Type | |||
| 1971 | Ford | Pinto | 1.6L | L4 | N/A | Push-In Type | |
| 1971 | Ford | Pinto | 2.0L | L4 | N/A | Push-In Type | |
| 1970 | Ford | LTD | 7.0L | V8 | N/A | Push-In Type | |
| 1970 | Ford | LTD | 6.4L | V8 | N/A | Push-In Type | |
| 1970 | Ford | LTD | 5.8L | V8 | N/A | Push-In Type | |
| 1970 | Ford | LTD | 3.9L | L6 | N/A | Push-In Type | |
| 1970 | Ford | LTD | 5.0L | V8 | N/A | Push-In Type | |
| 1970 | Ford | LTD | N/A | Push-In Type |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.