The JR403-E transmission, also known as the “Electromatic” by GM, is currently, found in 1988 and up GMC Tiltmaster Trucks, Isuzu Trucks, Nissan Diesel Trucks, Mazda Trucks and Mtsubishi Trucks. The fully electronic controlled transmission is similar in design to the RE4R01A found in Nissan Pathfinders, 240SX and 300SX vewhicles, but on a much larger scale.
Known as an excellent and durable transmission, there were some known weaknesses that need attending to or you will never exact the most life out of yout JR403-E. A few of the problems that can be solved with a shift update kit are:
HELPS ELIMINATE 2/4 BAND BURN UP, SOFT SHIFTS.
1/2 ACCUMULATOR SEAL FAILURE, 4-3/3-4 SHUTTLE PROBLEMS AND INADEQUATE LUBE FLOW
STABILIZES ERRATIC PRESSURES (LINE RISE)
FULL TIME LUBE TO GEARTRAIN / PLANETARYS
3 LEVELS OF SHIFTS
REGULAR, HEAVY DUTY, AND EXTREME USE
BETTER TCC APPLY, LESS SLIP, MORE HOLDING POWER UNDER LOADS
NEW 2/4 SEQUENCE PLUGS AND PINS
BONDED METAL/RUBBER SERVO COVER GASKET
NEW H.D. TORLON CHECK BALLS
SAVES VALVE BODY PLATES DUE TO STEEL BALL WEAR.
Knowing how much quality we built into our Rebuilt JR403-E transmissions is one reason we outperform the competition at GotTransmissions.com. Every transmission that leaves our facilities has been fully pre-tested on a transmission dynanmometer, and comes with a certificate to prove it passed our strict regualtions. Our warranties prove it.
If you run into a situation where you need are quality updated rebuilt Izuzu JR403-E transmission fast or for any one of the Brands of mid sized trucks that use this transmission call GotTransmissions.com @ 1-888-344-8044 for some qualified information and a free quote.