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And the two piece spark plug design that breaks off in the head if you don't take it out with an impact gun (seriously!) Never has this been more crucial than with Ford’s Modular V-8 because of the many variations produced since 1991. The roller clutch’s job is to allow low-reverse drum rotation one way, but not the other. Use compressed air to remove clutch pistons. The new Ford and GM 10-speed transmission also has a newly developed filter and filtering system (Figure 2). For the sake of simplicity and space I primarily cover a C4 teardown in this book. Always replace sealing rings in any case. Seal leakage (loss in pressure) leads to transmission slippage and failure. This Tech Tip is From the Full Book, HOW TO REBUILD THE SMALL-BLOCK FORD. Ford’s C4 and C6 transmissions are among the easiest in the industry to rebuild in your home garage. Ring gear fits inside the low-reverse clutch hub. Along with TCI Automotive he shows you how to build a better-performing C6 transmission using E4OD geartrain components, which provide durability and better gearing for improved acceleration. The best-case scenario is 26/26 if you can find it, which was originally 1970 only. This is where a step-by-step approach to the problem … [Click here to read more...], Before you embark on the rebuild and start scouring local scrap yards and online websites, it will be helpful to understand what to look for and what to avoid in these axles. Mating surfaces should be smooth and void of scoring. Ford is infamous for annoying engineering changes, dozens of them over the production life of a unit design, which means you must pay very close attention to parts intended to work together and parts that were never intended to be together. Take note of the type of seals and how they’re installed during disassembly. You’re going to be looking for the same elements of wear regardless of the type of vintage Ford automatic you’re working with. The H servo for big Fords and trucks is plentiful. These steels have excessive scoring and should be replaced. There are also types of mechanical failure, such as roller clutches and bushings, which fail with great regularity. This makes it easy to remove the C-clip. Surface irregularities can also cause slippage and heat. Consequently, the car leaves the line with the engine spinning at a pre-determi… Washers number-1 and -2 determine geartrain endplay, which makes them known as “selective” washers because they come in various thicknesses to help set proper geartrain endplay as it relates to the front pump. You … [Click here to read more...], When Ford introduced the 4.6L single overhead cam (SOHC) “Modular” V-8 in 1991 in the Lincoln Town Car, it took Ford enthusiasts by surprise because it was unlike any other Ford V-8 ever made. Transmission shops have special spring compressors for clutch disassembly; however, you can do this at home with four C-clamps. LEARN MORE ABOUT THIS BOOK … [Click here to read more...], The FE Ford engine was released into production in 1958. The same can be said for clutch drums. They can be reused if no real wear is found. The 04-08 F150's are junk. Manual shift lever lip seal pops out with a large flatblade screwdriver. Improperly machined or incompatible parts, dirt, or grit missed during assembly, and improper assembly of parts can cause failure. You can use the social sharing buttons to the left, or copy and paste the website link: https://www.diyford.com/disassemble-ford-c4-c6-transmissions-step-step/. Turn clutch drum face down for this procedure to protect your eyes and face. Closely inspect the thrust washers, which provide a loadbearing surface between rotating geartrain parts. Remove the low-reverse band and reverse-high clutch drum and inspect for wear, heat damage, and scoring. You’d be surprised how many times you get it wrong using a worn-out balancer or … [Click here to read more...], Parts selection is one of the most important elements of engine building because all parts must operate in concert with one another. Heat damage shows up as brown, black, or blue score marks. And when something just doesn’t look right, take note of it and don’t be afraid to ask questions. Take note of how the rollers and springs are installed when you remove the oneway clutch. As with every other aspect of a Modular engine rebuild, the assembly is challenging … [Click here to read more...], Cylinder Numbers and Firing Order / Torque Sequences The 351C block castings, despite different casting numbers, are all basically the same casting and can all be converted to four-bolt main caps with help from a … [Click here to read more...], Adjusting ignition timing must be performed with a timing light with an accurate harmonic balancer. Beyond the E4OD has been the 4R100, which is basically an E4OD. Click here for a chart of common Ford-Mercury-Lincoln ratios 1955-66 Ford Transmissions - Passenger. There are three basic scenarios: 1964–1969, 24-spline both ends; 1970- only, 26/26-spline both ends; and 1971-on, 24/26-splitspline. And, if missed a second or third time, failure is inevitable again unless you catch the problem this time. It wasn’t like the classic FE-Series 427 SOHC V-8 that … [Click here to read more...], Although there’s some confusion over Cleveland cylinder heads, the 335-series engine family has the easiest line-up of Ford cylinder heads to understand. If they have heat damage, they must be replaced. Only at www.hotrod.com, the official website for Hot Rod Magazine. If you’re not sure of your vehicle’s break-in period, consult your owner’s manual. the clutch is disengaged, yet the low pedal and reverse pedal can be used to move the car forward or to back up. As a rule, this is not a serviceable piece. And because steels are cheap, there’s no excuse for not replacing them. Another 4R75W/4R70W transmission problem is slipping in-and-out of 1st, 2nd, or 3rd gears. They need regular fluid and filter changes if you want longevity. From 1972-on, expect to see a pressed-in throttle valve with retaining bracket. The tailshaft is secured with a C-clip. The 2010 Ford Escape has 20 problems reported for transmission failure. Ford V-8s have always struggled to make power because they’ve always been limited by factory cylinder head design. Firstly, the information below is in addition to your consumer rights. Any resistance to rotation (binding) is reason for discard or rebuild. Inspect gear, pawl, and thrust washer for damage and wear. Some builders suggest keeping the old seals installed during disassembly and cleanup to reduce the risk of installing incorrect seals or installing seals incorrectly. The low-reverse clutch package does the same thing the low-reverse drum and band do in a C4. 351C-4V closed wedge chamber, … [Click here to read more...], © 2021 DiY Ford. As with the C4’s forward planet, inspect planet gears for wear and damage. Next, remove the manual shift and kickdown linkages by removing the retaining nut inside with a 7/8-inch open-end wrench. The same can be said for band heat damage. Ask yourself why there was slippage and be diligent in finding the cause. For a comprehensive guide on this entire subject you can visit this link: Forward planet carrier from this mid-1970s C6 is aluminum for weight reduction. Remove the intermediate band servo, checking cover and piston for any damage or abnormal wear. Clutches and bands burn up from slippage and extremes of stress such as towing or racing. The kit includes the TCI® trans-brake valve body, Red Eagle frictions and steel clutches, a modified clutch pressure plate and all the necessary hardware and connectors. The coarse material is common in most transmission filters, the fine media is a newer material and twice as large as the coarse media. There should be no oscillation around each planet gear’s centerline or resistance to being turned. C6 rear planet carrier works exactly like the C4’s rear planet, which fits right into the sun gear shell. When automatic transmissions fail, there are physical reasons that can be identified when you pay close attention to details. Ford Quick Tips #66: Harsh Shifting Transmission Fix - YouTube Each gear should roll smoothly without sideplay or much endplay. Remove the the governor and check for freedom of valve movement. Examine the reverse-high clutches for wear and replace if indicated. However, I can touch on what you can expect across a broad range of Ford, Lincoln, and Mercury applications. Ford Transmission Components. What makes the C6 different than a C4 is its one-piece bellhousing and main case design, plus a low-reverse clutch instead of a lowreverse band and drum. Remove servo piston seals and take note of what kind of seals your servo piston has. Take lots of pictures and notes as you go along. However, it calls for the same kind of detailed inspection as the forward planet, checking planet gears for excessive wear and oscillation and the carrier for cracks and other damage. At this time remove the tailshaft/governor support sealing rings. The links on this video to products are for informational purposes only and in no way are an endorsement of the safety or effectiveness of the particular product. As a matter of practice, motorists never service automatic transmissions until they do fail. Forward planet carrier does most of your C4’s work during acceleration and upshift. There are plenty of resources for odd information and production/engineering changes via the Ford Master Parts Catalog and Transtar Industries. Ford Model T - A Closer Look: Transmission & Clutch - YouTube When a roller clutch falls apart, you’re not going anywhere. Basically, it’s centered around a solenoid, or electrical valve, that fools the transmission into thinking it is in both first and reverse at the same time. This is an early C4 reverse-high clutch with 10 return springs. This allows you to sink the gas pedal into the floor after you’ve staged the car in gear. To get longevity and durability, a transmission must be properly … [Click here to read more...], Because the Modular V-8 has so many different applications, it is impossible to detail all the removal and installation specifics here. Seals must always be replaced. This one is very discolored from excessive heat damage and should be replaced. See Transtar or your local transmission parts supplier for this screen. You can be methodical and cover all the bases during a rebuild and still things can go wrong. We give you the breakdown of what is going to break when you mod your 2005-2011 Ford Mustang. A burned intermediate band is a sign of poor adjustment or inadequate servo pressure. The front pump has a nylon thrust washer (number-2), which you should replace if it exhibits heat damage. Look for parts that haven’t functioned well together, evidenced by scoring and other damage. A transmission brake or driveline parking brake is an inboard vehicle brake that is applied to the drivetrain rather than to the wheels. When you need a parking brake cable repair kit; an E-brake rebuild kit; or a complete new ZF parking brake assembly to fit your Ford F-250, F-350, F-450 pick-up or Ford … All the affected cars belonged to Focus, Fiesta, and EcoSport models equipped with a Powershift automatic transmission. Dubbed Focus was on sale since 1998 on the rest of the world, in a short period it became a star. Take pictures of this assembly prior to disassembly. As a rule, low-reverse bands are pretty hardy and hold up quite well. When you purchase a Ford remanufactured transmission assembly, you’re getting a product that’s built to the exacting specifications of Ford Motor Company – one that’s built for your vehicle. Remove the tailshaft C-clip next, which releases the tailshaft. I don’t kid myself about the C6 though; it is not a drag racing transmission because it is too heavy and eats up a lot of power. The user and BSG Automotive (hereinafter “FordTechMakuloco”) makes no warranty, express or implied, regarding the effectiveness or safety of the contents of this video. Most of the time, slippage is caused by insufficient line pressure at clutches and bands. Failure occurs when the transmission does not successfully shift into the correct gear. The Model T transmission is perhaps the least understood parts of the Model T Ford. Seal and piston are bonded into one assembly. Most of the time, it’s a good idea to replace this thrust while you’re in there. The C6 was a lighter-weight replacement for those older FX and MX iron heavyweights used behind FE and MEL big-blocks and Y-blocks for so many years. Also, changes came well after 1971 as durability requirements increased in the late 1970s. It is easy to improperly reinstall rollers and springs. 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