Sonnax Archives - Page 9 of 14 - Transmission Digest
Sonnax highlights pressure regulator valve kit for Chrysler RFE transmissions

Sonnax highlights its oversized lube regulated pressure regulator valve kit (#44912-15K) for Chrysler 45/545/65/66/68RFE transmissions. The company says this kit can restore pressure regulator action for line pressure control in all ranges in these transmissions. The company says this valve has an internal check valve that ensures proper converter and lube oil flow under extreme

Sonnax Oversized Lube Regulated Pressure Regulator Valve Kit
Sonnax highlights end plug kit for Chrysler valve bodies

Sonnax highlights its o-ringed end plug kit (#85740-01K), which the company says can restore hydraulic control and renew crucial circuit pressures in PBW and PBC Chrysler 948TE and ZF9HP48 valve bodies. According to Sonnax, this drop-in Zip Valve kit services all 6/3 (PBW/PBC) bores where end plug sealing is critical for proper function.

Sonnax O-Ringed End Plug Kit
Sonnax highlights pump gear set for Chrysler 68RFE transmissions

Sonnax highlights its heavy duty outer pump gear set for Chrysler 68RFE transmissions. The company says users can avoid wear in these transmissions’ pump gears by using this pump gear set (#72530B-04K). This set includes two high-pressure gears with an anti-wear coating. Use this set in conjunction with Sonnax center pump gear #72530-02 to replace

Sonnax Heavy Duty Outer Pump Gear Set
Sonnax highlights end plug kit for GM 8L90, 8L45

Sonnax highlights its O-ringed end plug kit for GM 8L90 and 8L45 transmissions. According to the company, wear on various OE end plugs in GM 8L45 and 8L90 transmissions allows critical leakage at the following circuits, default override, lube flow regulation and converter lockup/release. These pressure losses impair control of clutches, effect lube flow regulation

How to easily check endplays in Chrysler RFE transmissions

When building a reliable transmission for everyday drivers, it’s tempting to skip checking gear set endplay because of the factory tool cost. Often, I hear: “I feel movement, so at least I know it is not going to bind up;” or “This play feels good to the touch, so it is okay;” or “It’s not

Sonnax, Transtar highlight case saver kit for Ford 6F35 transmissions

Sonnax and Transtar highlight the case saver kit for Ford 6F35 transmissions. According to the companies, first- and second- generation 6F35 transmissions are notorious for worn axle bushings, which allow external leakage. This premature bushing wear can be caused by a worn differential support, which affects endplay negatively. The thrust bearing that rides on the

Sonnax introduces bushing kits for GM transmissions

Sonnax has introduced a line of bushing kits for GM transmissions, which the company says can help avoid bushing failure, harsh shifts, burnt clutches and gear ratio or solenoid codes. Models covered are the GM 6L45/50 (part number #104030-01K) and the GM 6L80/90 (part number #104030A-01K). According to Sonnax, these kits limit bushing wear and

Sonnax-104030-01K-600
Sonnax highlights oversized cooler, main converter and converter relief valve kit

Sonnax highlights its oversized cooler, main converter pressure and converter relief valve kit (#122740-10K) for Aisin Seiki AS66RC and AS69RC transmissions. The company says this kit can help avoid fluid loss that causes poor cooling, low cooler feed, low converter charge, TCC slip and TCC slip codes in these transmissions. Installing this kit re-establishes correct

Sonnax-122740-10K-600
Sonnax highlights Heavy Duty K2 Clutch Hub

Sonnax highlights the Heavy Duty K2 Clutch Hub, made for Aisin Seiki AS69RC transmissions. According to the company, users can avoid slipping/flaring in fourth, fifth and sixth gears and potentially losing these ranges altogether replacing the OE, two-piece K2 hub with the Sonnax product.

Sonnax 122572-01 1400
Sonnax highlights Thermal Bypass Eliminator Kits

Sonnax highlights its thermal bypass eliminator kits, which the company says can prevent transmission overheat in several popular Chrysler, Jatco/Nissan, ZF and Mercedes transmissions. These kits allow reuse of the OE cooler bypass valve by removing the OE thermal bypass valve and replacing it with either a plug or valve assembly that permanently allows flow

TASC Force Tips: Vacuum Test Guide

This month’s TASC Force Tips details the Chrysler 62TE. NOTE: OE valves are shown in rest position and should be tested in rest position unless otherwise indicated. Test locations are pointed to with an arrow. Springs are not shown for visual clarity. Low vacuum reading indicates wear. For specific vacuum test information, visit the Sonnax

Transtar, Sonnax highlight Drop-in Zip Valve parts

Transtar and Sonnax highlights the Drop-in Zip Valve line of parts. According to the company, the parts install quickly and easily, with no reaming or special tools required. They are designed to address the root causes of converter and lube related complaints by sealing critical pressure circuits. A detailed technical booklet is included with in-depth