4l80e overrun clutch upgrade

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Mar 02, 2017 · Insufficient holding power in the overdrive roller clutch is the underlying cause of chronic overdrive roller clutch failure in hardworking 4L80-E and 4L85-E transmissions. When the roller clutch fails, the damage can be catastrophic and the only fix is replacing the drum, planetary assembly and mating components. Flex plate: You will need a flexplate and spacer from ¾ ton GM truck that originally came with a 4L80E. Your other option is, if you're going with an aftermarket torque converter anyways, is to have the torque converter made with the correct offsets and mounting pads to bolt up to the stock 4.8/5.3 flex plate. The GM TH400, 3L80, TH400-R2, TH425, THMR2, 3L80HD, TH375, TH475, 4L80E, 4L85E Overrun 512462 OE Replacement Friction Clutch Plate is recommended for OE replacement applications. Products Friction Clutch Plates Steel Clutch Plates Transmission Filters Bands Sprags Clutch-Pack Modules Raybestos Powertrain Products 4L80/85E Transmissions. 6L90 Transmission. 4L80E Rebuild and Improvement Mar 16, 2020 · My :2cents: I wouldn't use the HD2 kit. They are known to have issues. I would do a Sonnax Sure Cure kit, line pressure booster, overrun clutch valve (unless your dad is going to pull the shifter down in D every time he wants to stomp on it), and dual feed the intermediate clutch. The Sonnax Smart-Tech overrun clutch valve kit 34200-40K offers a hydraulic solution to this known mechanical problem. With unique rerouting of hydraulic fluid pressure, this patented kit keeps the overrun clutch applied at all times (except OD 4th), reinforcing the roller clutch to adequately support heavy loads. Jun 22, 2017 · Outsmarting 4L80-E Overdrive Roller Clutch Failure It was a harsh winter this year and many transmission rebuilders have been plagued with blown-up 4L80-E overdrive roller clutches in Chevy/GMC snow plow trucks and salt spreaders. Unfortunately, once the roller clutch starts to go, it takes a number of other parts out along with it. Borg warner high energy clutches 4l80e. Borg warner high energy clutches 4l80e . Borg warner high energy clutches 4l80e ... Sep 19, 2013 · We show you how to rebuild a junkyard 4L80E transmission using a TransGo HD2 reprogramming kit in order to replace the stock parts as well as fix any flaws. This is a 4L80E rebuild so strong you ... 4L80E Drum Overrun Clutch W/Sun Gear (34551) $ 95.00 4L80E Drum, Forward (Bare) (34554EA) $ 75.00 4L80E Drum, Forward (Loaded) 1997-up (34554EAK) $ 100.00 4L80E Extension Housing (2.675″ H) (34770EE) Sep 19, 2013 · We show you how to rebuild a junkyard 4L80E transmission using a TransGo HD2 reprogramming kit in order to replace the stock parts as well as fix any flaws. This is a 4L80E rebuild so strong you ... 45-element Upgrade . ... Low One Way Roller Clutch---fits Late 1995 To 2012 Gm 4l80e 4l85e Transmissions ... Gm Turbo Hydramatic Transmission Th Thm 350 350c 375b ... Allomatic sprags are full-hardened, individually loaded, and made with high-quality maraging steel that provide higher fatigue limits than stainless steel. Our sprag profiles are designed to reduce drag and create less wear. Notable applications include Chrysler A904, GM TH400, GM 3L80, GM 4T60, 4T65E, Ford E4OD, Ford 4R100, and Mercedes 722.6. Overrun clutch housing Included in the kit only Overrun clutch spring Included in the kit only Overrun clutch snap ring 24216149 Overdrive roller clutch 12431003 Overdrive carrier 24215530 Some of the components are only available by ordering an upgrade kit part number 24222160 4L80E HD/4L85E Product Updates GM TH400, 3L80, TH400-R2, TH425, THMR2, 3L80HD, TH375, TH475, 4L80E, 4L85E 2002-ON Overdrive Roller Clutch 200147 GM TH400, 3L80, TH400-R2, TH425, THMR2, 3L80HD, TH375, TH475, 4L80E, 4L85E 1965-ON 34 Elements, Heavy Duty Intermediate Sprag 200148 CHRYSLER TF8, A727 / 36RH / 37RH 1962-1994 Overrun Spring And Roller Kit 200200 The used overrun assembly was required due to the damage from the failed overrun roller clutch that killed this transmission. The overrun assembly that the shop had available is from a newer 4L80E (mid 2001 and newer). The roller clutch was updated, but it seems that neither design is immune from failures (though both are rare). 4L80E (MT1) 4L85E (MN8) 91 4L80E/4L85E REBUILDER KITS C & K Pickups, Isuzu NPR Pickup 91-99, 17 Bolt Pan Rear Wheel Drive ... 121B Overrun Clutch Housing Package (3) ... Overrun clutch housing Included in the kit only Overrun clutch spring Included in the kit only Overrun clutch snap ring 24216149 Overdrive roller clutch 12431003 Overdrive carrier 24215530 Some of the components are only available by ordering an upgrade kit part number 24222160 4L80E HD/4L85E Product Updates Kit Friction Plate (Alto) ..... 97-ON 1 4L80E.FRK52 250A Overrun Clutch (136mm OD x 2.00mm x 45T) .. 91-ON 3 4L80E.FRP01 251A 4th Clutch/Overdrive Brake (185mm OD x 2 ... I read the manual valve body threads and have run a 4L80E in my trail rig and decided I want the best of all worlds. For trail riding, mud and sand I want to run a fairly stock program, just modify the shift points and times to get a firmer engagement. Let the computer go through the shifting and enjoy the trails. Piston - RE5R05A, DIRECT Clutch (4 5/16” OD), Rubber Bonded Retainer Cap Nissan 02-ON Ind# N/A OEM# N/A ... Piston - 4L80E Overrun Clutch OEM General Motors 91-ON ... Mar 16, 2020 · My :2cents: I wouldn't use the HD2 kit. They are known to have issues. I would do a Sonnax Sure Cure kit, line pressure booster, overrun clutch valve (unless your dad is going to pull the shifter down in D every time he wants to stomp on it), and dual feed the intermediate clutch. 4L80E (MT1) 4L85E (MN8) 91 4L80E/4L85E REBUILDER KITS C & K Pickups, Isuzu NPR Pickup 91-99, 17 Bolt Pan Rear Wheel Drive ... 121B Overrun Clutch Housing Package (3) ... 4L80E – Level 2 Transmission with Torque Converter. Email this page to a friend. Horse Power: 400 (500 Torque) Converter: HD Towing & 4WD Lock-Up Stall: 1800-2200Master Overhaul Kit with New Steel Plates Raybestos High Energy Frictions Transgo Reprogramming Kit Filter New Torrington Bearing Kit New Bushing Kit New Thrust Washer Kit New ... Heavy Duty 4L80E Overrun Clutch (OEM # 8661571) For decades Precision International has been a worldwide supplier of quality products for import and domestic automatic transmissions. As well as supplying an extensive aftermarket customer base, Precision International also provides products to Original Equipment Manufacturers (OEMs). 36 Element Super Sprag 2nd Gear Upgrade (Iron Drum, Billet Apply Plate, 5 Clutch Intermediate) Rollarized Geartrain (Reduces Planet Failures) Billet Overrun Clutch Valve Manifold. 300M Billet Input Shaft . Billet Forward Clutch Hub. Updated Bushings Throughout . Hi Volume Super Pump. Updated Teflon Sealing Rings . Towing/Competition Valve Body PISTON, 4L80E OVERRUN CLUTCH BONDED RUBBER 1991-UP Piston Forward Clutch Aluminum GM 8675507 4L80E. Price: $14.18. Aluminum direct clutch Piston 4l80e GM 8675507 ... OVERRUN CLUTCH HOUSING - Requires a different ramp angle on the inner cam, to accommodate the new design roller clutch, as shown in Figure 1. The snap ring was also moved away from the back of the roller clutch which required a new snap ring groove that is lower in the housing, as shown in Figure 2. OVERRUN ROLLER CLUTCH RETURN SPRING - Now ... PISTON OVERRUN CLUTCH (Taiwan) 4L80E 91-UP BONDED RUBBER image #960 Item #A34960E: $10.37. PISTON OVERRUN CLUTCH (National Seal) 4L80E 91-UP BONDED RUBBER 1997-ON 4L80E (With Turbulated Plates) Steel Module. 000592 features 4 Intermediate, 5 Forward (Except Cad & Olds), 3 Overrun (With 6 Holes), 5 Forward, Direct, 4 4th (With 14 Holes), 3 4th (Non-Turbulated) Steel Clutch Plates. Dec 29, 2019 · Find Sonnax Clutch Hubs 34322-01 and get Free Shipping on Orders Over $99 at Summit Racing! Many Sonnax clutch hubs are designed for the extra-duty requirements of drag racing with Powerglide and other GM transmissions, for instance. Machined from a high-quality medium carbon steel forging, most hubs will accept five friction discs for the added load capacity needed in high horsepower race ... Turbo Hydramatic 4L80E; Turbo Hydramatic 4L60E; Turbo Hydramatic 6L80E; Specialty; Components. Powerglide; ... COA-42800 - OVERRUN CLUTCH KIT, 12 ROLLER (BOLT IN ... Overrun Clutch Housing Lubrication Upgrades Use the drill to enlarge the feed passage in the overrun clutch housing as well. See Figure 5. Replace the overdrive sun gear bushing in the overrun clutch housing with the supplied fluted bushing. See Figure 6. The flutes will channel a steady supply of lube oil directly to the overdrive planetary ... 4l80e clutches. 015"). The only way to retrive trouble codes is with a scanner such as Tech 2, snap-on, otc or equivelent. Popular Products. Most issues are seen when the Dual feed the direct clutches on a 4L80E transmission. The TCC regulator valve function is to regulates the torque converter clutch apply pressure. 4L80/85E Transmissions. 6L90 Transmission. 4L80E Rebuild and Improvement 4l80e clutches. 015"). The only way to retrive trouble codes is with a scanner such as Tech 2, snap-on, otc or equivelent. Popular Products. Most issues are seen when the Dual feed the direct clutches on a 4L80E transmission. The TCC regulator valve function is to regulates the torque converter clutch apply pressure.