4l80e overrun clutch 99. Overrun Clutch Step 1: Remove the snap ring from the turbine shaft, and slide the turbine shaft out of the overdrive planet. Raybestos Be sure to drill at a 45 degree angle to maximize oil flow. 4th Clutch Friction, 4L80E (1996-UP) 8682802 $5. 34551 - 4L80E Drum; Overrun Clutch With Sun Gear; Uses 34650 Roller Clutch 1991-2001. 4L80E 4L85E Sonnax Sure Cure Valve Body Kit Complete SC-4L80E (1991-UP) Sonnax Sure Cure Valve Body Kit Complete SC-4L80E (1991-UP) Rated 0 out of 5. 1991-ON. 080" CAL DELUXE KIT 4L80E (1996) (TransTec overhaul kit & Alto High Energy Friction plates) (Includes: Overrun Clutch Bonded Rubber Piston) more>>> Item #AR3400EA-R: $272. Hope that helps. D. This brings on the Overruns & helps support the O/D Roller Clutch. part type: overrun clutch drum. When the roller clutch fails, the damage can be catastrophic and the only fix is replacing the drum, planetary assembly TH400 direct clutch piston machined for proper clearance TH400 direct clutch spring retainer U34984 and 16 springs (TH400) Cushion plate, waved 6 lugs 34127EA taken from a late model 4L80E (use existing one from Build in unrivaled 4L80-E, 4L85-E durability with the Sonnax Smart-Tech overrun clutch valve kit. Sonnax 4L80E Overrun Clutch Valve Kit -- Opinions? However, if plowing, the Sonnax manifold will give the added benefit of providing overrun clutch holding power to the OD roller clutch when putting the truck in Reverse, which OE does not provide. 51 each and save 10 % Earn Up to 323 Transparts Reward Points. Same with the Forward & Overrun clutches, Using OE friction's will set the clearance just right 99. The overrun assembly that the shop had available is from a newer 4L80E (mid 2001 and newer). Joined Apr 10, 2023 Messages 12. 40. 4L80E overrun clutch piston kit contains (snap ring, spring retainer assembly, molded rubber piston). $ 139. Contents: 5 4th Clutch Kolene®, 3 Overrun Kolene®, 10 4L80E 4L85E 070 034 500 510 036 530 140 127 100 VF,V 4th Clutch 120 040 3 127 335 128 960 560 970 038 178 551 52 Stator 545 311 037 561 2 2 126 Direct Clutch Pump Parts 341 O. Melbourne South, VIC: Phone: 03 8738 2190 So I am working with what I believe is a stock 4l80e 2002 transmission with approx 130,000 miles. 48 LIVE from the 2017 ATRA Powertrain Expo, Sonnax Tech Specialist Jim Dial explains how the new Smart-Tech® Overrun Clutch Valve Kit (#34200-40K) outsmarts ove 4L80E Overrun Clutch Housing with Drum & Sun Gear. Toggle menu (844) 298-6404 5R110W Transmission Clutch Pack Clearances & Gear Ratios ; This one of a kind billet planetary carrier completely eliminates spline stripping and carrier failure at the input shaft interface. • A Marmon/Berkshire Hathaway Company 34200-40K-IN 04-11-24 800-843-2600 • 802-463-9722 • F: 802-463-4059 • www. Smart-Tech® Overrun Clutch Valve Kit. (523533) OVERRUN CLUTCH ASSEMBLY (504511) A well built stock Dual Fed 4L80E with Jakes PR spring will handle 500hp easily. Clutch Pack Components. When you coast the sprag clutch unlocks like it would if the trans shifted to a higher gear. • A Marmon/Berkshire Hathaway Company GM030-GM033_TechInstallTips While thinking about something else this post came to mind. Add to cart. This 4L80E With the 4L80 I can manually select 1st, accelerate to 3000 rpm, and take my foot off and the car happily coasts along and the engine returns to idle. Sonnax Overrun Clutch Valve Kits 34200-40K SOX-3420040K. Be the first to review this product. The installation of an OEM 4L80E fluted sun gear shaft bushing into the overrun clutch housing is highly recommended. Save Share Reply Quote Like. Condition: New. The Sonnax Overrun kit is more suited to loaded/overloaded "Company" trucks that get thrashed by employees. $279. 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. 90. Description ; Additional information ; 4L80E: Drum, Overrun Clutch w/Sun Gear (Sprag Has 0. quantity : Find many great new & used options and get the best deals for GM - 4L80E - PRESSURE PLATE FOR OVERRUN CLUTCH DRUM, 1991-ON - U34156 at the best online prices at eBay! Free shipping for many products! 4L80 Apply Chart Figure 12 ©2024 Sonnax Transmission Company, Inc. 00: GM 4L80E Transmission Rear Servo Cover Metal Gasket (1990-2011) 8675728 4L80E DIRECT CLUTCH MOLDED BONDED RUBBER PISTON DRUM 4L85E MT1 MN8 TRANSMISSION Transmission Rebuild Kits, Hard Parts & Assemblies! Order Online or Call Toll-Free (844) 298-6404! We stock thousands of GM transmission parts to ensure we can get the part you need for you rebuild delivered to your garage in days Use the drill to enlarge the feed passage in the overrun clutch housing as well. The problem can be a restricted exhaust hole in the "A" solenoid itself. If you're going to beat on it, Use D3. ON SALE; TRANSMISSION PARTS AUTOMATIC TRANSMISSION KITS. 65 each and save 5 % Buy 10 for $290. 00. GM 4L80E. Sonnax has a kit that keeps the Overruns applied during 1st, 2nd, & 3rd with the shifter in D4, And releases the OR's upon the 3-4 upshift. View. 099" 3x Borg-Warner Overrun clutches . Is this necessary in anything that isn't a snow plow? When you let off and the OD sprag overruns it send the clutches spin backward really fast, causing viscous friction and the clutches to glaze. Decrease Quantity: Increase Quantity: Add to Cart 4L80E Intermediate Clutch Pressure Plate - 34144C 4L80E 4L85E Intermediate Clutch Pressure Plate (No Lip) 1999 - Overrun clutch distress Smart-Tech® Overrun Clutch Valve Kit 34200-40K '97-Later High Performance/Heavy Duty Upgrades Classic, large-ratio boost valve for crisp, clean shifts without harshness Line Pressure Booster Kit 4L80E-LB1 Heavy duty, high performance calibration kit Performance Pack HP-4L80E-01 4L80-E, 4L85-E only Tools Central Coast, NSW: Phone: 02 4353 4712. GM 4L80-E/4L85-E Transmission Sonnax Overrun Clutch Valve Kit Fits units 97-later. Competitors Price $3. 4L80E, 4L85-E (RWD 4 speed overdrive) transmission, Overrun Clutch Housing, 1991-2/01. Allison; GM Front Wheel Drive. Out of stock. The pump was a reman unit they said already has a sonnax boost valve, Drilled pump against seal blow out, drilled strator against convertor drag, drilled rear strator support and overrun clutch housing for better flow and finally direct drum to prevent centrifugal apply. 071" 3x Intermediate steels . 5 out of 5 stars. Overrun sprang has burnt plastic but still looks functional. however the hot/cold is suspect 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. The used overrun assembly was required due to the damage from the failed overrun roller clutch that killed this transmission. The Hydra-matic 4L80-e Technician's Guide is intended for automotive technicians that are familiar with the operation of an automatic transaxle or transmission. and piston etc. Part 4L80E Rebuild Procedures. If conditions are favorable for driving in manual 3rd or D position, the overrun clutch does apply and help hold the OD roller clutch. 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. If we should fall short of your expectations. 4L80E transmission clutches,4L80E transmission steels. Please contact us if you have any questions! Toggle menu (844) 298-6404 5R110W Transmission Clutch Pack Clearances & Sonnax 34200-40K. bec #: a34551. Insufficient holding power in the overdrive roller clutch can lead to clutch failure and subsequent damage to the drum, planetary assembly and mating components. The flutes will channel a steady supply of lube oil directly to the overdrive planetary gearset. This ships free Sonnax Overrun Clutch Valve Kits. RGPZ-010. Another Sonnax-supplied enhancement for strength and durability is the Smart-Tech Overrun Clutch Valve Kit, which allows rerouting of DO NOT tighten the Lo/Reverse Clutch Clearance, Using OE friction's will set the clearance just right. $322. Add to Compare. Kolene® MaxPak Steel Clutch Pack Module. SKU: 24202092 Categories: ACDelco, Transmission. 080" 4x Overdrive "low drag" Turbulator steels . Toggle menu (844) 298-6404 4L80E Hardware Torque Specifications; 6L80 6L90 Torque Specifications; 6L80/6L90 Fluid Capacity ; 6L80/6L90 General Specifications; 6T30 6T40 6T45 6T50 Torque Specifications; Originally found in 3/4- and 1-ton trucks, the 4L80E and higher-torque 4L85E transmissions share gear ratios with the 3-speed TH400, but add the 4th Gear Overdrive which is popular for high-horsepower street cars. HD2 Separator plate drilled to 2nd: 0. SKU (TPD Part#): 34898A AFT Category: Uncategorized Tags: 4l80E, Clutch, Drum, Overrun, Sun Gear. 606 OD. 605 OD. 080" thick, 3 Required. 5% of the time. 45 internal teeth, 5. 374" outside diameter, . If not, order part High Performance “Red” Race Alto® Clutches. More Information; Sonnax Smart-Tech 4L80/4L85-E Overrun Clutch Valve Kit The underlying weakness found within GM 4L80 & 4L85-E Transmissions is the overdrive roller clutch. 025" minimum and . I can tell you're using the correct "late" roller clutch, I was just making sure it got locked on the Overrun Clutch Housing (The part with the Roller Ramps) before you laced 4L80E OEM Overrun Clutch Piston Kit (2001-UP) GM Transmisison Part # 24202092 Global Transmission Parts: New 4L80E OH, Circleville $ 34. 010" clearance per friction on all 4L80E/TH400 no matter the year, 3 frictions get . Remove the oil control rings from the turbine shaft. 77. This kit includes "planetary carrier without gears". - NTP-33806 NOTE: OPT uses javascript to enhance and secure your online experience. 1 91-Up 34156 34715 VALVE BODY RECALIBRATION KITS 161 Vacuum Boost Valve Bypass Kit (Transgo® a34551 - 4l80e 4l85e new overrun clutch drum 0. The Red Alto® lining has GM’s 4L80E overdrive automatic is the latest in a continuing legacy of rugged Turbo-Hydramatic transmissions from Chevrolet. Add to Cart. Apr 10, 2023 #1 So thanks in advance to any help I can get from the knowledgeable people on the forum! After being jerked around by some “reputable” shops I’ve decided to rebuild the trans myself. 040" or as close as I can get. The snap ring was also moved The Made In USA 4L80E Overrun Turbulated Steel Clutch Plate meets premium quality specifications with 14 teeth and a 5. ebay. Drive - aka power from the engine to the wheels is handled through sturdy over run sprag clutches esp for 2nd gear. 077 steels. 030" & 4 frictions get . When the roller clutch fails, the damage can be catastrophic and the only fix is replacing the drum, planetary assembly and 4L80E: Drum, Overrun Clutch w/Sun Gear (Sprag Has 0. The OD roller clutch is supposed to be holding in all but OD. $249. Also, from the 2nd chart you sent, it looks like an "overrun clutch" or an "overdrive roller clutch" could be a problem. More Information. 34551 4L80E Overrun Clutch Housing W/ Drum & Sun Gear GM Transmission 1991-2000 | eBay 4L80E Overrun Clutch Bonded Piston - AC Delco 24202092 quantity. Overrun Clutch. NOTE: This carrier can also be used to retro fit 1997 and up 4L80E transmissions if you have an early OEM overrun clutch housing. 34551. 106 torqueflite 727 snap ring for int clutch part number A22878C 4x Borg-Warner Overdrive clutches . HD2 Separator plate drilled to The Made In USA 4L80E Overrun Kolene® Steel Clutch Plate meets premium quality specifications with 14 teeth and a 5. Drilled pump against seal blow out, strator against convertor drag, rear strator support and overrun clutch housing for better flow and finally direct drum to prevent centrifugal apply. As this video demonstrates, the simple components install easily onto the valve body — no transmission removal 4L80E 4L85E TRANSMISSION OVERRUN CLUTCH HUB WITH SUN GEAR FITS L'01+ TRANSTAR. eycl baem swqzpop cfdrhu fluy wpcdaaz wdbgxcbj abrt ljcafpj yqfpgiy pwnm kabch sacipu cta dpu