Sonnax 4l60e

Sonnax 4L60E 4L65E 4L70E Transmission Sure Cure Kit Sonnax Sure Cure kit SC-4L60E is a comprehensive reconditioning package for GM 4L60-E PWM units featuring the best Sonnax products developed to help rebuilders restore and enhance transmission performance. Sure Cure components are the same Sonnax parts sold individually to resolve common valve body complaints as well as other transmission problems. The high-quality Sonnax parts in each Sure Cure kit repair worn areas and protect the transmission against future damage. Plus, each kit comes with easy-to-read, step-by-step installation guide that covers the inspection and repair of the most critical areas of the valve body. Restore shift quality and reduce comebacks Repairs biggest trouble areas to reduce comebacks Includes step-by-step instructions for comprehensive valve/pump body restoration Get everything you need for restoring troublesome units in one place, at one cost NOTE: This kit is fully compatible with 95-later 4L60-E units with PWM/EC3 (electronically controlled capacity clutch) control. These can be identified by the 13-pin case connector, PWM/TCC solenoid and PWM pump (five solenoids). All components in this kit are compatible 9394 non-PWM units EXCEPT the TCC apply valve 77805E-K installed in the pump. These units can be identified by the 12-pin case connector, only having a 3-2 solenoid in valve body (four solenoids).

A shift kit is a great way to improve the performance of your 4l60e transmission, but there are a number of things to consider before installing one. When most people think of installing a shift kit, they have the notion that their car will have violent and jarring shifts. While this can be achieved if you desired, the fact of the matter is that a shift kit in your 4l60e will not only benefit you, but improve the way the transmission works.

What Does A Shift Kit Do For A 4l60e?

Sonnax Sure Cure automatic transmission rebuild kits are a comprehensive reconditioning package—featuring the best Sonnax products developed to help mechanics restore and enhance transmission performance. Sure Cure components are the same Sonnax parts sold individually to resolve common valve body complaints, as well as other transmission. Sonnax Transmission Company HP-4L60E-01 - Sonnax Shift Improver Performance Packs Shift Improver Performance Pack, 4L60E, 4L65E, 4L70E, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit. 4 Reviews for Sonnax Transmission Company HP-4L60E-01 - Sonnax Shift Improver Performance Packs See All Reviews. See All 4 Reviews. 4 (0) 3 (0) 2 (0) 1 (0) The only kit you need! 2/6/2018 Summit Racing Verified Purchase. As a professional, I use Sonnax products whenever possible or practical. The INVINCIBLE (Level 3) 4L60E Our INVINCIBLE series features all the components of our Level 2 (Pro Race) transmissions with these upgrades for added Strength and Durability. (Nothing but the best): OEM five (5) pinion planetaries with a grooved sun gear for improved lubrication. 4L60 4L60E transmission Sonnax TCC apply valve kit for PWM units only fits PWM units only. Updated stroke pressure eliminates TCC drift on apply and updated exhaust control PTFE seal eliminates cross leaking of converter signal oil and converter feed oil. Sonnax kit works in both early- and late-style PWM pumps when used with included spring.

Adding a shift kit to your 4l60e equipped car, truck, or SUV will help correct and improve the lazy shifting that the 4l60e is somewhat known for in factory form. Properly installed shift kits will make all shifts more firm and quick without making it feel like you got hit by a train. Similar to a corvette servo upgrade, this may help prolong your transmission’s lifespan by reducing the amount of slip between shifts. This is highly recommended in performance or towing applications.

What’s the Best Shift Kit For A 4l60e

With how common the 4l60e is and the popularity of retrofitting classic cars with modern transmissions, there are a number of 4l60e shift kit options.

The most popular 4l60e shift kits include:

Both kits will make a dramatic difference in how your 4l60e shifts and performs. Both come as complete kits wit installation instructions.

Sonnax 4l60e Input Drum

TransGo 4l60eHD2

TransGo is arguably the leader in the shift kit game, and rightfully so. Their kits are extremely high quality and produce reliable results without breaking the bank. The kit includes all the parts you’ll need for a few different transmission shift improvements ranging from an upgraded stock feel to what users may call a race oriented feel.

The TransGo 4l60e HD2 has complete instructions for the DIY user that are easy to follow.

TransGo HD2 4l60e Shift Kit Reviews

'The transmission had 122,000 miles on it and felt sloppy and slipped out of overdrive, installed the HD2 kit and it shifts perfect now.'
'This was extremely easy to install the directions were comprehensive and easy to read and understand and the pictures were great'

Sonnax Performance Pack

The Sonnax Performance Pack (HP-4l60e-01) is more of a “shift improvement” kit as opposed to a traditional shift kit. However, this does not mean it is any less effective. The Sonnax Performance Pack is a great upgrade for any heavy duty or performance oriented vehicle. All of the components in the HP-4l60e-01 Performance Pack work in conjunction to fine tune transmission line pressures, accumulator and shift calibration.

Overall, the Sonnax Performance Pack is a great way to improve the performance of your 4l60e with quicker, more firm shifts under any load.

'I used this along with some other sonnax products to rebuild my 4L60E. I couldn't be happier with the results. Car shifts great.'
'This is not a shift kit like days old. It will give you fast crisps shifts and when you got your foot on the fun pedal'

When it comes to installing a shit kit in your 4l60e, it can be tricky for someone whos never done the install before. While there are detailed instructions, things can still be confusing. However, there are plenty of guides and resources available to help you correctly install your shift kit.

There are various components that can be used to make the kit work differently depending how you set it up.

Sonnax 4l60e Performance Pack

This video does a great job of going over the TransGo HD2 kit, and how to properly install it in your 4l60e.

While the purpose of a shift kit is to improve how firm the shifts are, there is the potential for “harder” shifts. A high quality kit will improve the shift feel without making a harsher shift. However, there are kits out there that will make the transmission shift very hard, almost too hard. These kits may do more harm than good, so be sure to do your research before buying or installing a shift kit.

Sonnax 4l60e4l60e

Sonnax 4l60e Drum

Since a shift kits purpose is to have quicker, more firm shifts, a transmission in a race oriented application may make the car quicker with a properly calibrated and installed shift kit due to the reduced delay of the shifts.

Sonnax 4l60e Tcc

A shift kit is designed to improve the shifts your transmission makes, but there is a risk that a shift kit that’s improperly installed may hurt your transmission. However, a properly installed and calibrated shift kit will do no direct damage to your transmission. Your right foot on the other hand…that might hurt your transmission over time.

Shift kits can have various feelings, but the commonality of all shift kits is a more crisp feeling shift. Some kits may feel like you’re being hit by a train during a shift, and others just take the “laziness” out of shifts. Vodafone sky go.

Sonnax 4l60e Catalog

Installation of a shift kit in your 4l60e can vary depending on your skill level and experience. For a professional who deals with the 4l60e on a regular basis, installation can take an hour or 2. For the average DIY weekend warrior, installation can take anywhere from a few hours to all day. Depending on your mechanical ability and familiarity with transmission internals, a shift kit installation my be something you let the professionals do for for you.

Sonnax 4l60e Valve Body

If your transmission has any slipping issues before installation of a shift kit, odds are that there are other issues at hand. A shift kit will not directly fix a slipping transmission that has pre-existing issues such as work out clutches.