4L60e sunshell

This shell is heat treate and is 10x stronger than an OE shell. It is highly recommended for any type of heavy duty or high performance application. I was able to use the input swag, forward piston and housing, the reverse piston and some forward steels from this unit in rebuilding my Tahoe trans. A GM 4LE reaction sun shell strippe no reverse.

The Sunshell is replaced around of the time when performing a rebuild on one of these models. This is an Offshore Version of the Beast , and has been out for a couple years. They have been a great substitute for the beast , and save a little money on your build. Sonnax Smart Shell Reaction Shell by.

The Beast is one of the better ones and probably the best known. These TCI Beast automatic transmission sun shells are designed to replace the OEM sun shell assembly that is a known weak point. The reaction sun shell problem is so common that the aftermarket has offered a replacement unit which is substantially thicker and. The updated sun shell will be fine for not stripping out.

Use a Kevlar band to go with the corvette servo. L60E Repair Guide - Home. Rebuild kits are all about the same, let your rebuilder use what he normally uses. A chronic problem with both OE and thicker aftermarket shells is failure of the rear planetary bearing.

Usually the sunshell internal teeth will round off and eventually strip. In addition, a Beast sunshell stops any chance of sunshell breakage. OUT OF STOCK) Ultra-Light C-CSun Shell. SPX Filtran has re-tooled the sun shell and improved it by making it thicker and revised the splined area that is prone to fatigue failure in the OEM parts.

It is known to snap where the splines meet the shell itself. Try not to run or drive the car or further damage could result. RR: Will not work in 2nd or 4th gear : 2-band is slipping. SmartShell Heavy Duty Reaction Shell Kit Part No. The trick is telling them apart from each other.

You can use the chart directly below to make sure that you have one of them. For cars making over that number, there is a front planetary upgrade as well. PM Credit for this information goes to Sherlock9C1.

Following these instructions will eliminate this problem. Remove the reaction sun shell. There is a thrust washer visible on the front, and. Have you ever suddenly lost reverse, 2nd and 4th gears in your street machine?

HP Beast sun shell New Element H. Input Sprag Pinion Rear Planetary Gear ( stronger than pinion gear) This is a NEW G. Closely inspect the splines in all locations, specifically the reaction sun shell hub and mating reaction sun gear spline, the. The sun shell tangs get spread out from being driven by the reverse input drum. IF they are spread out the sun shell needs to be replaced. Yeah this definitely has to be the onset of sunshell failure.

You might as well rebuild the whole thing. Turbo-Hydramatic or Turbo Hydra-Matic is the registered tradename for a family of automatic transmissions developed and produced by General Motors. This is a discussion on 4l60e problems not shifting to 2nd and 4th? Surrounding the front planet is the Performance Automatic sun shell. E does anyone think its the sunshell please help!

The biggest problem I dealt with was the loss of 2n 4th, and reverse.

The set also comes with a deep pan filter, a Clevite bushing kit and a duty sprag upgrade with the beast Sun shell heavy duty upgrade. OK, so those are the three kits, now here are the links, which will provide a lot of help before you start stripping the transmission down. Aftermarket Heavy Duty Animal sun.

Check Out 4l60e Sun Shell on eBay. Fill Your Cart With Color Today! Located on the top or front side of the reaction sun shell. Newer models use a bearing in this location so please check before ordering. The years which had the sunshell problems, an overhaul was recommended to upgrade it.

Enjoy a rewarding career and relaxing quality of life in beautiful Southern Vermont. The 2-band holds the sun shell. We don’t just rebuild transmissions. We systematically re-engineer each model to eliminate OEM flaws and to achieve the highest levels of performance. Use of a updated hardened spline sun shell helps prevent.

Reaction Sun Shell And Input Shaft The reaction sun gear shell helps. NEVER EVER USE A MONSTER SUNSHELL. I have built many 700rand 4l60e transmissions and the only ones that have came back with broken sunshells are the monster ones. L80e - Replace or Rebuild?

We have seen hundreds come through our shop and we enjoy building them every time. This is important as while they share some parts, they are different transmissions. Is the 4l80e the same size as the 4l60e overall? Ask Questions in the Forum Use our 4L60e forum to learn more about 4l60e repair and rebuild techniques.

Ask your 4L60e questions to experts specializing in 4L60e transmission repair and rebuilding.