Sonnax highlights main pressure regulator valve kit
Sonnax highlights its main pressure regulator valve kit #105740-12K, which the company says can eliminate low line pressure, delayed engagement, poor shift quality, burnt clutches and various shift concerns in GM 10L80 (Gen. 1) and Ford 10R80/10R140 transmissions. Sonnax says this kit includes advanced design features like an extended outboard spool that is 270% longer
Sonnax releases Smart-Tech big input shaft kit
Sonnax has released its Smart-Tech big input shaft kit (part no. 22121B-08K), which the company says can prevent input shaft spline-twist and breakage in high-torque Chrysler 47RH, 47RE and 48RE diesel applications. This kit fits listed converters fitted with a 35-spline turbine hub. The company says that compared to the best 300M 23-spline shafts, the
Sonnax introduces Second Gear Servo Kit
Sonnax has introduced Second Gear Servo Kit (part no. 77701-02K), which is a direct replacement part for GM 4L70-E transmissions. Sonnax says this kit can improve shift feel without risk of harsh 1-2 shifts in GM 4L60-E and 4L65-E transmissions. This kit is also compatible with Sonnax Fourth Gear super hold dual servo kit 77767K.
Sonnax introduces 4L60-E, 4L65-E heavy-duty remanufactured valve bodies
Sonnax highlights its heavy-duty remanufactured valve bodies for ’96–’08 GM 4L60-E/65-E transmissions. Two part numbers are offered: GM053-HD, which the company says offers improved sprag/clutch durability in D3 first and second gears; or GM054-HD (pictured above), which adds overrun clutch control to those gears plus D4 first, second and third, the company says.
Sonnax introduces bushing kit for Chrysler 68RFE
Sonnax has introduced new bushing kits for Chrysler 68RFE transmissions (part no. 72030-68K). Sonnax says these kits can restore critical clearances and resist untimely wear in these transmissions. According to Sonnax, each of the 12 components in this kit feature upgraded material composition that outperforms OE bushings and superior wear characteristics that eliminate premature deterioration.
Ford 6R80 & 6R140: Troubleshooting timing-related shift issues
As the old saying goes: “timing is truly everything.” Or is it? Either way, we know for sure that this is extremely true in the world of transmissions. Timing problems with clutch apply or with combined clutch apply and clutch release can create all kinds of complaints from flared shifts to harsh shifts to a
Sonnax highlights neutral safety switch for Chrysler transmissions
Sonnax highlights the neutral safety switch #12410D, which the company says can replace damaged or failed five-prong switches in 2002 and later Chrysler 46RE, 47RE and 48RE transmissions.
Sonnax introduces separator plates for Chrysler transmissions
Sonnax has introduced a line of valve body separator plates for Chrysler RE and RH series transmissions. The line includes the valve body separator plate #22747-27 (pictured above) for 48RE transmissions, and #22747-6B (below) for 42RE/RH, 44RE/RH, 46RE/RH and 47RE/RH transmissions. These plates from Sonnax are new, with OE port sizes and configurations, the company
Sonnax introduces solenoid plastic end cap for Ford 5R110W transmissions
Sonnax highlights its solenoid plastic end cap #36940-30, sold in quantities of five for Ford 5R110W transmissions. This cap is utilized on the recently released Sonnax remanufactured 5R110W EPC solenoid #36940E-RRP.
The impact of oversized tires on transmission failures
Installing bigger tires on trucks is about as American as baseball, country music and apple pie. Unfortunately, big tires can also go hand-in-hand with something less enjoyable: transmission failure. You can guard against problems and better troubleshoot chronic failures by knowing the unintended consequences of oversized tires on the transmission, especially the role gear ratios
Sonnax highlights solenoid stabilization clip inserts for GM, Ford 10-speed transmissions
Sonnax highlights the solenoid stabilization clip insert #105740-01K for Ford and GM 10-speed transmissions. Sonnax says users can secure LFS solenoids in GM 10L80 and 10L90 as well as Ford 10R80 and 10R140 transmissions with this product, used in conjunction with OE spring retainers. These steel clip inserts force the OE spring retainers to completely
Ford 6R140: Identifying unique torque converter features and avoiding application pitfalls
The Ford 6R140 was introduced in 2010 (for 2011 model year trucks) as a six-speed used in Super Duty gas- and diesel-powered applications. Today, these units are in high-value, hard-working trucks at the peak of the repair cycle. Aftermarket programming (especially with the diesel variants) is pulling additional power from the engines, putting further loads
