Sonnax introduces GM 6L80, 6L90 output planet saver kits
Sonnax has introduced new output planet saver kits for GM 6L80 and 6L90 transmissions. The company says these kits can repair and prevent common concerns and save the planetary assembly when installed. The kits (part no. 104584-80K for 6L80 and 104584-90K for 6L90) include upgraded pinion pins to supply continuous lube to the small gears.
Watch out for high pressure in GM 8L45, 8L90 valve bodies
Hey now! Oh boy, do I have a fun failure to share with you and warn you about today! Have you encountered a crack in the worm tracks in your GM 8L45 and 8L90 valve bodies (as seen in Figure 1, above)? Sonnax has, and wow, is it frustrating. Once cracked, there is no way
Sonnax introduces Smart-Tech clutch kit for GM 4L series
Sonnax has introduced a new Smart-Tech clutch kit for optimizing clutch capacity and guarding against clutch burnup in GM 4L60, 4L60-E, 4L65-E and 4L70-E transmissions. This kit (part no. 77734-01K) includes eight .067-in. BorgWarner high-energy frictions and seven .095-in. Lindered steels recommended for use with Sonnax Smart-Tech input housings.
Sonnax introduces oversized low reverse/overdrive clutch regulator valve kit
Sonnax has introduced a new oversized low reverse/overdrive (4-5-6) clutch regulator valve kit (part no. 144740-43K) for Ford 6F35 transmissions, generations one, two and three. Sonnax says the kit can help restore the correct valve/bore clearances and clutch control in these transmissions. The kit includes a new spring that matches OE calibration, the company notes.
Sonnax introduces heavy-duty ‘A’ clutch backing plate
Sonnax has introduced a new heavy duty “A” clutch backing plate (part no. 35577-45) for Chrysler 845RE and 850RE, and ZF 8HP45, 8HP50 and 8HP51 transmissions. Sonnax says that this plate can eliminate the flexing/bowing of the clutch pack that leads to comebacks in these transmissions, and recommends installing them in units that have not
Shift of the shaft: Diagnosing Chrysler 48RE manual shaft issues
The TorqueFlite transmission has been around since mid-to-late 1950s. There have been many changes surrounding the manual shaft and rooster comb through the years. This transmission shaft controls the position of the manual valve that directs oil for the gear ranges, but it also is used for a Reverse light control as well as Park/Neutral
Sonnax highlights Chrysler RFE Sure Cure kits
Sonnax highlights its Sure Cure kits for replacing worn areas in Chrysler RFE series transmissions. Part numbers include: These kits cover Chrysler 45RFE, 545RFE, 65RFE, 66RFE and 68RFE transmissions.
Sonnax introduces three-bolt adapter flange yoke kit
Sonnax has introduced a new three-bolt adapter flange yoke kit (part no. T35-BMWF-01K) for BMW and Toyota GR Supra vehicles with 105mm bolt circle dia. companion flange. Sonnax says that this kit is aimed at replacing weak giubo and two-piece driveshafts with a one-piece, U-joint style driveline in these vehicles. The kit includes a spacer for .552-in. pilots.
Sonnax introduces splined stub and sleeve kit
Sonnax has introduced a one-piece carbon fiber splined stub and sleeve kit for overcoming driveshaft problems. Designed for 1350 series u-joints, this kit (part no. T35-28-350CFIK) bonds onto 3.5-in. I.D. carbon fiber tube. Sonnax says that it includes perfectly matched stub and sleeve components.
Sonnax highlights TH400 heavy and extreme duty input shafts
Input shaft failure is a common problem in GM TH400 transmissions running with added horsepower. Sonnax notes that it offers heavy and extreme duty input shafts compatible with heavy duty forward drum part no. 34554-01 and Smart-Tech drum module no. 34555-01K. Part numbers include: • Heavy Duty Input Shaft 30280-01 • Heavy Duty Input Shaft 30280-02 • Extreme duty Input Shaft 35280-02 • Extreme Duty Input Shaft 27280-02
Diagnosing Ford 10R60, 10R80 and 10R140 series speed sensor issues
Ford 10-speed 10R series transmissions utilize four two-wire, Hall-effect sensors — TSS, ISSA, ISSB and OSS — for providing speed signals to PCM or TCM. They are supplied nine volts by a PCM or TCM and assist in the control of clutch apply/release timing that is used in determining shift quality, including TCC. Here are
Sonnax introduces TCC signal damper piston kit for Ford, GM 10-speeds
Sonnax has introduced a new TCC signal damper piston kit for GM and Ford 10-speed transmissions. Sonnax says this kit can correct the operation of the converter in GM 10L80/90 (Gen. 1) and Ford 10R60/80 transmissions. According to Sonnax, this kit allows long-lasting and quick repair of the lower valve body casting without reaming, and
