E4OD Tcc Solenoid 1989-1994, remanufactured and ready to install. Fits the E4OD. Ships fast from the USA.
If your 1989 to 1994 Ford F-250, F-350, Bronco or E-Series van with the E4OD never seems to lock the converter on the highway, runs higher RPM at cruise than it used to, or stores converter clutch code 62 or 628, you are probably shopping for an E4OD TCC solenoid. On this transmission the converter clutch solenoid is not sold loose. It is one of five solenoids in the solenoid body bolted to the valve body, so the part you install is the complete early-style block. This listing is that block, remanufactured, for the first-generation E4OD years.
The early E4OD uses a simple on/off converter clutch solenoid. When the EEC-IV computer sees the right speed, throttle and temperature, it grounds the solenoid, which shifts the converter clutch control valve and sends apply oil to lock the converter to the engine. Release it and oil flows back to hold the clutch off. Every solenoid in the block, the converter clutch solenoid included, is fed by the solenoid regulator valve. That matters, because a solenoid can be electrically fine and still not move its valve if the feed is weak.
A converter clutch code does not automatically mean a bad solenoid. Sonnax ties E4OD codes 62 and 628 to low pump volume, worn line-to-lube valves and cooler flow problems as often as to electrical faults. Start by reading codes with an EEC-IV reader, then inspect the case connector. On the 1995-and-later block ATSG gives 20 to 30 ohms for the on/off TCC solenoid; get the specs for the early block before judging your reading, since the internal layout differs. If the coil checks good and the solenoid clicks when grounded, test pump output and cooler flow before buying anything. Our E4OD common problems guide explains the converter clutch flow issue in detail, and the shift solenoid guide covers bench testing the whole block.
This block fits E4OD transmissions from the 1989 through 1994 model years. Sonnax splits replacement solenoid blocks into a 1989-94 version and a late 1995-98 version that are not interchangeable, so a 1995 or newer truck should use the 1995-1997 E4OD TCC solenoid block. Valve body castings also changed inside this range (E9 for 1989, F0 or F1 for 1990-95), so compare the outline and connector of your old block with the photo, or send us your year and VIN. Browse every part for this transmission on the E4OD/4R100 collection page.
With the pan and filter off, the block unbolts from the underside of the valve body. Clean and inspect the case connector and its lock tab, use new O-rings, and tighten the bolts gradually and evenly. If the truck had lockup cycling or starts in 2nd or 3rd when hot, have the solenoid regulator valve bore checked; Sonnax reports the steel valve used through 1995 wears its aluminum bore. Install a new E4OD deep pan filter and gasket kit, refill with MERCON V, and road test through several lockup cycles at steady cruise. On a truck that tows, an auxiliary E4OD transmission cooler helps keep converter heat in check.
| Fits | E4OD 1989-1994 |
| Part type | Tcc Solenoid |
| Condition | Remanufactured |
| Brand | OEM |
| Ships | From the USA |
| Warranty | 1-year |
Doing this repair right usually means replacing these at the same time. Same transmission, ships together.
Ford serviced it as part of the solenoid body, which also holds both shift solenoids, the coast clutch solenoid and the EPC solenoid. Replacing the whole block is the standard repair.
No. 1995 and later E4OD units use the late block, which is not interchangeable with the 1989-94 design. Use our 1995-1997 block instead.
Not necessarily. On the E4OD that code often comes from low pump volume, a worn line-to-lube valve or restricted cooler flow. Check the circuit, then pump and cooler flow, before replacing the block.
MERCON V. Check the level hot with the engine running and the selector in Park.
Drive at steady highway speed with light throttle. RPM should drop noticeably when the converter locks, and it should stay locked without cycling.
