The lines should be the same as the equivalent year Duramax. They will make lines just as nice, put the right fittings on and charge you less. Because Allison doesn't recommend it be changed during routine service as it's intended to last the life of the trans and should last to the first overhaul; although many guys that work these trucks hard still take the preventative route and change it about every 50K or so and is also what I do and recommend along with also changing the external filter about every 20K or so, or once a year regardless of mileage. Mishimoto has designed this transmission cooler to handle the cooling demands from daily drivers to race trucks. Plus, its robust construction readily defends against possible damage from road debris and corrosion. Because they do not recommend or endorse trans fluid exchanges as a periodic preventative maintenance item.
This places it on a schedule you will then not only know for sure, but also removes any doubts as to when or if it has ever been done previously. I personally would not turn the rotors, for all the work you are doing to get them off, waiting for a shop to turn them. Fluid choice is up to you but if you have the aptitude to do the job yourself you could switch to full synthetic and change both the filters for much less than that dealer quote while ending up with a better fluid protecting the trans in the process. If I had to do this again I would just go to the nearest auto parts store and buy a metal one off the shelf. They used heavy duty grade hydraulic hose crimped fitting that attaches to the stock tubing with compression fittings so they are removable to ease installation. An Allison is a very redundant transmission but like any other trans one thing it can't tolerate for long is to be run low of fluid. Properly sized and ready to install.
If used in other applications it is the responsibility of the installer to wire this switch. I dont remember what i used exactly and it is wet under my truck right now. You may not have had any issues Wayne but some have, including me on several different customer trucks until I discovered what was going on, so thats why I won't recommend them. Then tempotatly install the lines to figure out how much braded stainless hose you need. Features:84% Core Volume125% Greater Fin SurfaceDirect-Fit Transmission CoolerConnects To Factory Transmission Cooler LinesLifetime WarrantySpecificationsCore Height - 5. If you're sticking with regular old dino fluid on one that was originally spec'd with it then Dex3 is the preferred fluid of choice. Its just weird that I can not find anything for 8.
Each kit comes ready to install with the brackets, hardware, and necessary fittings to make this a bolt-on installation. Use genuine Allison's and there's never any questions. Disconnecting a transmission cooler line without a quick disconnect tool is a fairly simple task provided you have the proper tools. Doing so can lead to fluid foaming as well as the trans pushing excess fluid from the case vent. There are many excellent threads on this site describing how to flush trans an you will be amazed at the junk that comes out. Using the same Micro Extruded bar technology as is in our air-to-air Charge Air Coolers, the 200 Micro Extruded passages in each cooler provide a large surface area to transfer heat for external air flow cooling while turbulent oil flow design promotes a more complete cooling. However to do so properly you also have to change the filter.
Dont re use the clips. There were really only 3 choices I found when I was looking. The rest are more of a pain from what I understand. If used in other applications it is the responsibility of the installer to wire this switch. So is it a good or bad idea to do it? Using the same Micro Extruded bar technology as is in our air-to-air Charge Air Coolers, the 200 Micro Extruded passages in each cooler provide a large surface area to transfer heat for external air flow cooling while turbulent oil flow design promotes a more complete cooling. If you can find something like that, they're pricey, but probably a ton easier to get in without having to route the metal lines.
Existing connector must have white retainer. Average Customer Review: 3 of 5 Total Reviews: 5 0 of 0 people found the following review helpful: Don't bother March 9, 2017 Reviewer: rk from texas Well the picture looks great, but this thing is made out of plastic. Plus the lower line coming from the rad. If you follow the video and you do stupid shit to you, your equipment, or others it is your fault not the Disgruntled Mechanics! It's easier to unscrew the fitting and use a Torch and melt the plastic in the fitting! Due to factors beyond the control of the Disgruntled Mechanic, it cannot guarantee against unauthorized modifications of this information, or improper use of this information. . All this is from plenty of experience, not just opinion.
Used on one Trans line. A question was also asked about cooler line pressures on an Allison in comparison to other transmissions. Thanks Was this review helpful to you? Drain, change the spin on filter and re-fill. Any injury, damage or loss that may result from improper use of these tools, equipment, or the information contained in this video is the sole responsibility of the user and not the Disgruntled Mechanic. High flow rates up to 20 gallon per minute.
Heating of transmission oil is caused from torque multiplying stators redirecting and shearing the oil, heat transfer when cooling down of the clutches as they are on the edge of slipping on the steels, and, end thrusting loads on the bushings transfer heat into the case. Why would I do something stupid like that? It is not a replacement for your factory cooler. Cost the same as new lines but the fix is forever. I will be doing the job Thursday night due to my schedule plus I need to get some new fittings for the radiator connections. Changed lines, filter, flushed trans in about 3 hours working very slowly.
Plus, its robust construction readily defends against possible damage from road debris and corrosion. You need a ridgid 37 degree flare tool to install the tube nuts on the old line. Merchant Automotive 10207 Transmission Cooler Line Repair Kit 23777 4. I have an 2001 K3500 ext cab dually 8. Especially with the Allison as the drain plug is recessed deep into the pan, thus still leaves over 2 full qts of old fluid remaining in the pan, let alone in the rest of the system. So i fixed mine instead.
There are a couple of additional options. Same with any factory or aftermarket external coolers too, most are rated to 200 psi minimum but not all will satisfy the flow requirements for an Allison and that is what is just as important. Due to the many possible combinations, fitment is not guaranteed on non-stock components. Mike,I can't speak for other brands of filters as I don't use them,but the Napa Golds are absolutely fine for the Allison. This catches many owners off guard who then thing there's a leak or something wrong with the trans. Even if they are disclosed, the state wants the vehicle to be road worthy with no major mechanical problems. I used swivle as they are more forgiving, but you only need that on one end of the hose.