5/30/2023 0 Comments Dodge ram pressure plateImagine trying to scratch a diamond with a pencil. We identified the solution for this using the scientific method, and it’s very simple. Though Iron generally won’t hurt too much, Nickel and Aluminum (Al, the material of the bore) generally don’t get along. The factory valve is made of a metallic compound that is heavy with elements like Nickel (Ni) and Iron (Fe). This is where it gets tricky and the egg-heads start to come out. > 68RFE Transmissions, Rebuild Kits, Valve Bodies & Parts You can see our hard work and dedication to manufacturing unique and high qualify products for this transmission here: In fact, our 68RFE Research & Development Program has allowed us to apply this technological understanding to engineering a stronger, safer and faster 68RFE. The solution here is to machine this bore in totality and just simply start from a blank slate replacing it with an upgraded valve designed not to fail. This valve is also a strong catalyst of a form of wear common in compressed hot oil applications known as “Galvanic Corrosion.” This is a form of wear where two metals corrode at their point of physical contact. When this happens, they will cause oil to leak out of overdrive when it’s needed most, decreasing torque capacity and catalyzing a catastrophic failure of the overdrive clutch pack. In short, this valve is very coarse in nature and causes bore wear quickly. This is the biggest crossleak in the 68RFE Transmission, and infamously, is the one that causes most overdrive failures and P0871 codes. One of the less talked about subjects is the solenoid switch valve, often in acronym format as SSV. The issue here is not design, it’s part quality. The solution is a steel, high quality backing plate that simply won’t fail. Increased line pressure from TCM tuning or pressure boxes only proliferate this failure. It often blows off from flexion due to being an incredibly weak and soft metal a child could bend it by hand effortlessly. Unfortunately, it is unable to do this efficiently. It’s designed to bolt somewhere and never move. In analogical comparison to a motor, this would be like a girdle. The pistons have springs between them and the plate, creating the “shock absorber” dynamic. The 68RFE Valve Body accumulator backing plate is the component that bolts to the valve body and holds the accumulation pistons in place. Problem #2 - The Accumulator Backing Plate The solution to this is a quality, billet aluminum set of pistons with added seals of tighter tolerance, endorsing quality shift timing and behavior as well as predictable driving dynamics and increased torque capacity. Accumulator pistons are supposed to leak, they’re a controlled vent, but the factory pistons vent excessively which forces the clutch to suffer from less apply pressure. They have 2 seals that are extremely loose and allow an extreme and unsafe amount of venting. The 68RFE Transmission’s accumulator pistons are dismally low quality made of low quality plastic. Without accumulation in place, every gear would bang very aggressively and clutch application timing would be poor. You can think of these as a shock absorber for a gear shift. The accumulator pistons are the part of the valve body that absorbs the shock that would otherwise be applied directly to a clutch pack. Top 5 Ways to Extend the Life of a Factory Transmission Calculating Torque Multiplication Factor, Why is it So Important? Top 5 Benefits of an Upgraded or Built Transmission Popular Transmission Information Resources: > Project Carbon™ 68RFE Valve Body Upgrade Kit Tip: For our DIY inclined customers who are looking for a no-machining, 100% drop-in, All-In-One 68RFE valve body solution kit, our best-selling Project Carbon™ 68RFE Valve Body Upgrade Kit can be found here: Gen 3 - 2019+ (Blue Solenoid Pack, can ONLY be replaced with Blue OEM Solenoid Pack) Gen 2 - 2011 to 2018 (5 Check Balls, Grey Solenoid Pack, but can be replaced with White.) The Valve Bodies and Pumps are made of incredibly soft metal and have a fraction the lifespan. Gen 1 - 2007.5 to 2010 (7 Check Balls, known as the most problematic 68RFE’s. The 68RFE has changed multiple times in it’s lifespan, and the lineage is as follows: This is the part of the transmission that controls where all of the fluid travels to, to apply certain clutch packs and henceforth activate gears.įor example, when you move your shift lever from park, to reverse, an oil circuit is opened by the manual valve in this valve body (which is connected to the shift lever) that directs oil to the L/R clutch pack, and the reverse clutch pack, putting the transmission in reverse. Let's get straight to the chase. The 68RFE Transmission’s Valve Body is inundated with problems, with nearly every component of it being prone to extreme failure.
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