Remove only 9 valve body bolts that are called out in Figure figure 4. Ok, sorry for a long post. The remanufactured valve body is more that 4 times cheaper. For reverse lock out kit see here:. Solenoids tested and unit is vacuum tested. I have not tried it on my car since my reverse works just fine yet. Movement acceleration of a hot pulp occurs in the narrowest area because of oil and dirt.
See bavauto link in my post above for more info on that. Two things: First, my internal wire harness was in tatters and had to be replaced as well. The torque converter is handed in for repair in case of the reassembly. If you are not sure you can handle the installation yourself, that's the way to go. Kind of makes sense but would not hurt to have a kit on that one too. I gave them a call and asked why.
From my point of view the problem needs to be tackled as an integrated one and not as an individual component problem. Torque all 10 valve body bolts, in the exact sequence shown in figure figure , down to 11Nm 8 ft. Therefore great care should be taken when ordering a re-manufactured transmission. Thanks we appreciate your interest. If you are not sure you can handle the installation yourself, that's the way to go. They have 3 part numbers: 1.
And hey if your local shop does not do it you can try to make arrangements and ship it to where they will do it for you. I will probably now go the route of the re-manufactured valve body. Sonnax web site provides detailed instructions of the kits installation process and you will need a good 5L40E transmission manual for instructions and breakdown diagrams to remove and take apart the valve body. Although not as fun as manual I still like the way this transmission is shifting which I can not say about many other sloppy autos. Their full stocking distributor is Transtar which have a location in almost every state.
Route the internal harness and connect all the components 9. The kit of rubber-covered pistons is usually ordered for the overhaul. Still driving it, just have to make sure I can pull straight forward. John You are confusing 2 different types of transmission. Installation of the kits is of equal if not more significant difficulty.
Two things: First, my internal wire harness was in tatters and had to be replaced as well. Seems like a fair price from what I've been finding. Both valve bodies were ordered before noon and arrived the next business day. I can not include illustrations because of the copyright. Another well documented problem with this transmission is towing or carrying payloads over the factory recommended limit. The torque converter transmits dirt to the transmission by means of worn-out clutch of the valve lock-up. Significant leakage can be critical and cause no reverse.
All is well, transmission shifts smoothly as if new. The 5L40E unit's centerpiece is an automatic overdrive which supersedes the French-made 4L30E four-speed automatic light-duty gearboxes, and like them features a torque converter clutch to eliminate slipping losses in select forward ranges. Introduction Part 2 Causes of no reverse Part 3 Diagnostics of no reverse Part 4 Sonnax solution to no reverse Part 5 Installing Sonnax kits. You can find the 5L40E manual here:. The exact description what the kit does can be found here: 55211-11k is installed in the Rear control valve body and 55211-04K goes into front control valve body. They differ from a rebuilt transmission in the fact that they are as good as a new transmission at a greatly reduced price and often include modifications and upgrades that make them much more durable.
They are used to move the valves in the valve body and control other functions within the transmission, such as the line pressure and torque converter lock up clutch features. I see 2 options to install the kits and solve the no reverse problems. Still driving it, just have to make sure I can pull straight forward. Install the pre-assembled valve body assembly onto case , as shown in Figure figure 2. I'm leaning to replacing the entire Transmission and be done with it.
Just hopefully not too soon. All was well for about a month then the no-reverse issue returned. I could not find any additional details about them. Cadillac, the Pontiac Solstice, and Holden Commodore. And you will need a tow and a ride. Location: front valve body 2.
Flat sand the valve body components to eliminate cross leaks 2. If a decision has to be made to replace the transmission, I highly recommend you consider a as your first choice. The good thing about fixing the valve body is that you do not have to remove the transmission from the car. Passing this info along to me my mechanic, who seems to be pretty fair and honest. I can have the drum replaced, but once open up the case, might as well replace a bunch of stuff in there while you are there.