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1. Install corvette servo 4l60e pin mushroomed how to#
2. Install corvette servo 4l60e pin mushroomed install#

Another option to consider is the 4 th gear Billet Super Servo.īillet Super Servo 4th Gear Apply Piston & Cover (part number SUP-K034) Most shift kits are designed to address the servo travel issue already. Please note: If you are installing, or already have installed, a shift kit, you will likely not need a longer servo pin. The clearance should be closer to around 1/16″. If it goes in more than 1/8″, you definitely want the longer pin. Just get underneath it and with a pry bar, push in on the cover of your servo. You can actually test your current travel now. The longer pin is designed to take up that slack and prevent the servo travel. Once it is beyond the travel of the servo, it will burn up the transmission. By 100,000 or more miles, the band is wearing out and then you are at the point where the servo almost cannot travel far enough. Too much servo travel can cause a delay in shifting, a longer 1-2 and 3-4 shift, as well as a slide-and-bump-into-gear type shift.

Install corvette servo 4l60e pin mushroomed how to#

Here's how to decide.Ĭorvette Servo with Longer Pin (part number OPT-CV-Pin)Īfter a short amount of time, by 30,000 miles or so, the band has been broken in and the servo travel has increased a lot.

Install corvette servo 4l60e pin mushroomed install#

If you have already decided to install a corvette servo, your next question might be whether or not you should use the corvette servo with the longer pin instead. The servo comes with all of the necessary seals for installation including the outer cover o-ring, as well as three pages of instructions with diagrams. Our servo is easy to install and can be done with the transmission in the vehicle. The corvette servo is a must for any performance vehicle, for towing, RV, or off road use, and is a positive upgrade for any 700R4 or 4L60E transmission. The corvette servo will give your transmission 50% more apply pressure, which is just what you need to keep from burning your transmission up under heavy load situations. Right away you will notice faster and firmer 1-2 and 2-3 shifts. Arguably one of the most inexpensive, yet most rewarding upgrades to your 700R4 or 4L60E (4L65E, 4L70E) transmission is the corvette servo.