4L60E CORVETTE SERVO INSTALL INSTALL
4L60E CORVETTE SERVO INSTALL UPGRADE

Then repeat this over & over, The Clutch Pack cannot cool down! I'm sure you have seen the guys that get up in high gear, Then Stomp on it.Forcing a 4-2 downshift & let it up shift at WOT into 3rd & 4th. The 3-4's can only handle so many repetitious on/off cycles before they get REALLY hot. On good/low mileage units that burn down 3-4's for no 'apparent' reason is generally caused by the Human driving it. While you have the valve body down & 2-4 servo out. Of course a leak in the 3-4 apply circuit will cause it to. 4L60E Cable Repair Kit Installation Instructions Step 1 - Set the emergency brake and chock the wheels.

4L60E CORVETTE SERVO INSTALL UPGRADE

The 3-4 Clutches burning down is the next common failure, On high mileage units.The hydraulic integrity (Poor line pressure rise)of the unit degrades over time & the 3-4's are the first thing to go. The High Performance Corvette 2-4 Servo is a historically proven, easy to install, and reliable upgrade that pretty much anyone can do to their 700R4/4L60E/4.

Sonnax has a 'Smart Shell' that 100% fixes this issue. My theory on the Sun Shell is, At first GM made them to hard, And flexing at the Splines would fatigue the metal, Then they Updated it to softer steel.Then the Splines would strip clean off. Custom Cruiser Wagon 1991-1992 (With optional 700R4) The TransGo 7-2P Corvette servo piston assembly fits 1982 to 2015 General Motors vehicles equipped with 700R4, 4L60/E, 4L65E and 4L70E automatic transmissions.GM, Cadillac, Chevrolet, GMC, Pontiac, Oldsmobile, Hummer, Isuzu, Saab, including: This servo works in all makes of this transmission. The kit comes with all of the necessary seals for installation including the outer cover o-ring. The up and downshifts will be even quicker and can add more miles and years to your transmission’s life. The closer you can get to 1/16” travel the better. The long servo pin option on this item can help to get this travel within the correct range. Combine this servo kit with Sonnax 4th gear servo 77767K for unmatched holding power and shift performance thats an easy in-vehicle install. Any travel over 1/8” can create a situation of no overdrive gear. We are finding that when using the billet overdrive servo, this correct travel range is crucial. The recommended servo travel is 1/16”-1/8”.

4L60E CORVETTE SERVO INSTALL INSTALL

This servo is easy to install and can be done with the transmission in the vehicle. Higher mile transmissions can also benefit and help to postpone a costly rebuild. Installing this servo in lower mileage vehicles can add years to your transmission’s life. These servo upgrades are the best changes you can make to your 700R4, 4L60E, 4L65E, or 4L70E automatic transmission. This billet OD servo can be combined with the Corvette servo for even greater performance. This servo is a must for any performance, towing, RV, or off-road transmission, but would be a nice upgrade for any 700-R4 or 4L60E. The servo also provides proper 4-3 band release for no drag. This servo utilizes a lip seal design on the piston for less fluid blow-by or leakage. Firmer 3-4 shifts and more positive 4-3 down shifts. This upgrade gives you better holding capacity in 4th gear. This billet aluminum Super Servo is the 4th Gear apply piston & outer cover. Superior Transmission Parts billet overdrive Super Servo for the GM 700R4, 4L60, 4L60E, 4L65E, 4L70E, 4L75E THM700-R4 MD8

4l60e corvette servo install