Sonnax has provided the following guide on the critical wear areas and vacuum test locations found in the Chrysler 948TE and ZF9HP48 models. Technicians working on these models should find this guide helpful.
On the maintenance side, a continuously variable transmission (CVT) requires more or the same frequency of fluid and filter changes as a conventional automatic transmission, and many of the basic procedures are the same. On the diagnostic side, a CVT transmission is less complicated internally than a six- or nine-speed transmission. Like any automatic transmission,
On the maintenance side, a continuously variable transmission (CVT) requires more or the same frequency of fluid and filter changes as a conventional automatic transmission, and many of the basic procedures are the same. On the diagnostic side, a CVT transmission is less complicated internally than a six- or nine-speed transmission.
The complaint A 2007 Mercedes-Benz CLS550 with the 722.9 transmission has an after-overhaul complaint of no forward movement. Related Articles – Land Rover LR3 ZF6HP26 no start after overhaul – Infiniti G37 RE7R01A chassis codes set – Honda Accord BB7A six-speed: P2720 code set after collision The cause The B2 Brake Housing inner apply piston
The complaint A 2006 Land Rover LR3 equipped with the ZF6HP26 transmission has a post-overhaul complaint of a no-start condition. Part of the transmission overhaul process included the replacement of the mechatronic unit. Related Articles – Troubleshooting RFE overdrive clutch failure: Three key areas to check – The 6R140 torque converter: Common fault codes and
The complaint A 2013 Infiniti G37 equipped with the RE7R01A transmission and the EXT13C transfer case has a complaint of trouble codes C1204 “4WD Solenoid Malfunction” and C1105 “Right Rear Wheel Speed Sensor Fault” stored. Due to extensive damage, the transfer case was replaced, which did not eliminate the stored codes. The shop then replaced
The complaint A 2015 Honda Accord with a 3.5-liter engine and the BB7A six-speed transmission (seen in figure 1, above), was involved in a minor collision to the left front of the vehicle. The vehicle was drivable and was taken to the transmission shop. Vehicle diagnostics revealed a P2720 “Pressure Control Solenoid D Voltage Low”
Sonnax has introduced a new drop-in converter limit valve kit for Ford 2011 and later 6R140 transmissions. Sonnax says this kit can help users recover hydraulic control and renew TCC performance in these transmissions. This kit (part no. 126740-25K) features a drop-in sleeve/valve assembly to compensate for wear and excess clearance, including in worn bores.
Sonnax has released a new drop-in TCC boost valve kit for Subaru TR580 transmissions. Sonnax says users can restore hydraulic integrity to the TCC circuit with tightly controlled tolerances in these transmissions by installing this kit (part no. 823740-12K). This kit includes a steel valve that combats premature wear and wear-resistant sleeves, the company says.
Klynt Baker, the recently appointed president of Sonnax and Rostra, says that his responsibilities aren’t two aftermarket companies owned by Marmon Holdings. Baker says that Sonnax and Rostra have integrated their operations to the point that there are indeed two brands encompassed in a single business. Related Articles – Back to square one: When a
Sonnax introduced a new low/reverse sprag rebuild kit for GM 6L80 and 6L90 transmissions. The company says users can use this kit to replace the element, retainer plate, end caps and snap ring in these transmissions without buying an entire sprag assembly. Related Articles – Freudenberg-NOK adds new line of TransTec bonded pistons – Sonnax
