6r140 harsh 1-2 shift

Jul 16, 2024
Most notably 1-2 upshift and 3-2 downshift. Performed non-intrusive diagnostics which led to removal and teardown. The only thing I found wrong was the intermediate clutch clearance was excessive - 1.5mm which is three times the maximum clearance specification (0.24mm to 0.50mm) The interesting thing here is that there was nothing wrong what so ever with the clutch or the center support ....

Also, ask your dealer to install a VDR. This is a device that will record the event. They need to monitor: GEAR, GEAR-RAT, TRANS-RAT, OSS, TSS, RPM, TFT, LOAD and what ever else they want to record. What they need to do is graph the data and look at the shift timing from all the gears and the suspect gear.For all gas and ’11–’16 diesels, Ford uses a hole in the separator plate to feed oil to the 2-6 regulator valve once the transmission is in 4th Gear and above. Ford accomplishes this by feeding oil through the 4-5-6 latch valve to the 2-6 regulator valve. Hydraulic ratio of the 2-6 regulator valve during 1-2 upshift is 2.3:1.See full list on atracom.blob.core.windows.netSome customers may comment that the transmission exhibits a harsh 1-2 shift on the first shift of the day, typically under light throttle. Cause This condition is due to the initial clutch fill time of the 2-3-4-6-8 (C4) clutch. Information Some customers may experience a flare condition on the first 1-2 shift of the day or afterThe following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI. Condition/Concern. 2015 or 2016 Acadia, Enclave, or Traverse equipped with a 6T70/75 Transmission Assembly with harsh 1-2 shift, mostly on light throttle with no DTCs present.. Rare cases the 2-3 shift may be harsh as well.11 posts · Joined 2016. #1 · Jul 5, 2018. Ok, I have researched the 42rle 1-2nd hard shift pretty extensively. I have done the PCM reset, it works for a little bit but comes back. I have changed my filter, checked fluid, added a cooler. No metal chunks in pan or on magnet. Magnet did have some gray sludge on it but the fluid looked good at ...Harsh Shifts: The converter releases on a coast 2-1 downshift and some high-throttle, hard 3-2 events. WK pressure and the solenoid info in the scanner will indicate when it is released. If WK does not increase beyond 2 to 5 psi during 2-1 or forced 3-2, the shifts will occur on a locked clutch and feel harsh.ISSUE: Some 2011 F-Super Duty vehicles equipped with 6.7L engines and 6R140 transmission may exhibit a 2-3 shift flare and/or malfunction indicator light (MIL) on with diagnostic trouble code (DTC) P0733 and/or delayed reverse engagement, with a build date on or before 4/11/2011. Symptoms may be more evident or seem worse after an …2015 Ford F250 6.7 Powerstroke with 6R140 transmission harsh shift. #mechanic #powerstrokediesel - YouTube. HR Repair. 937 subscribers. Subscribed. 105. 6.4K views 6 months ago. Today we have...C. codyrock87 Discussion starter. 57 posts · Joined 2011. #1 · Jul 7, 2011. I have a 12/99 f-350, most mods in sig. If you let the truck idle less than 1-2 mins and take off it will make the 1-2 shift once, after that it will only shift if you lift off the throttle. Sometimes the o.d. light will flash but it only gets a code 1-2 shift ...6l80E 2-3 shift issue. Hey Guys, My Century built transmission has an issue when moving from 2nd to 3rd, after speaking with Mike @ Century he says its common and can be tuned out. The sensation when you select change gear, revs stay steady for 1/2 sec (flaring) where not much happens, then you can physically feel the gear change.I recently had the pleasure of dealing with a 2010 6R140 with a 2-3 flare that became worse as the temperature increased. Once the problem is identified, I normally look for any "quick" fixes first. Most days, saving time is saving money, and there just happened to be a bulletin from Ford addressing this issue. […]12 posts · Joined 2012. #1 · Aug 20, 2012. I have a 2012 F-250 diesel with 800 miles on it and every so often there is a delay when I put the truck in reverse. I put the truck in reverse and after about 5-8 seconds the transmission will finally grab and gives a good tug; especially if you happen to have your foot on the pedal while it engages.I have a 2015 F250 6.7L 4X4 with a H&S and I have no issues with it. It has 137K on it and shifts just fine. But, I have a 2012 F450 not so good. When the oil is below 70 degrees it slams on the 1-2 shift and on the down it does the same on 5-4 shift. It is pretty harsh. Not just a reprogram issue I'm thinking. The 450 has no tune, bone stock.FORD: 4R75E; Harsh 3-4 Shift, 4R75; Brutal 1-2 Shift After Rebuild, 5R44E; No Reverse After Rebuild, ... Shudder & Metallic Noise, Lincoln ZF6HP26; P1719 Inaccurate Engine Torque Signal, 6R140; 2wd Extension Housing Bushing Failure, 6R140; No Reverse After Overhaul, 6R140; TCC Slip Codes & Converter Failure, ...Ford sold several different 1-2 accumulator springs of different stiffness. What you chose will determine how hard or soft the 1-2 shift is. It's generally preferred to have a slightly firmer 1-2 shift. 1997 - 2003 Ford F150 - Hard 1-2 upshift 4R70W - New synthetic fluid in the correct amount, new filter, no codes, but the 1-2 upshift slams.I drove that way for a thousand miles or so. 2009 - 2014 Ford F150 - Hard 1-2 shift at low speeds - I have a 2011 5.0 I just picked up with 60000 miles. It has the famous hard 1-2 shift at low speeds when cold or after sitting a few minutes. Feels like other people have described as being rear ended.You have the base shift times tables zero'd out so it's going by your shift time torque adder table for the most part now. Increase the shift time to around .3500-.4000 seconds. Lower your pattern x shift pressure for the 1-2 shift by like 10-15%, then lower the oncoming pressure preset for the 1-2 shift by a little bit as well.• Flare/Harsh/Soft Shifts • Pressure loss • Burnt clutches NOTE: Check visually for end plug deterioration or bore wear. Replace with Sonnax Part No. 126740-05K NOTE: Several Locations = Intermediate 2-6 Clutch Latch Valve • Burnt Intermediate (2-6) clutch • 1-2, 5-6 Shift concerns NOTE: See details on page 1. Lower Valve BodyWhen it comes to fashion, one timeless and versatile piece that every woman should have in her wardrobe is a shift dress. Shift dresses are known for their simple yet elegant silho...This is acceptable, someone took the adjuster too far out or removed it. Since the Valve body/pan is still down, adjust now so the servo moves less than 1/8 inch and lock it in there. Rear band 1/4 to 5/16 inch. You may need to gently pry with a screwdriver on the band apply arm.Product Description. Ford TorqShift 6, Rebuilt 6R140 6.7L Scorpion 2011-2017 Signature Series Transmission. Revmax is proud to announce the availability of Ford 6R140 complete transmissions. These transmissions are upgraded with increased clutch capacity, improved clutch plate material, phosphate steels and ZeroFlex technology. Our transmission ...2 1 10 7 10 * VB-FIX Required Ford 6R140 ... The first step in correcting common shift problems Zip Kit® 6R140-ZIP TCC/Lockup Symptoms Excess heat Bypass Blocker Valve Kit 126740-26K '11-'16 Only Excess converter pressure, Converter shudder ... Harsh shifts, Soft shifts, Pressure loss, Burnt clutches ...Forward 1-2-3-4 Clutch Latch Valve • Shift quality is not load sensitive • Delayed engagement • Harsh shifts • Gear ratio & solenoid codes • Burnt Forward clutch • Overheated fluid Replace with Sonnax Part No. 126740-06K Requires F-126740-TL6 & VB-FIX Intermediate 2-6 Clutch Latch Valve • Burnt Intermediate (2-6) clutch • 1-2, 5 ...In 3rd gear, shift solenoid C (SSC) is turned off, sending solenoid pressure to the solenoid shift valve, 2-4 servo release and the 3-4 clutch. When the solenoid shift valve strokes, it routes pressure from the stuck-open SSD to the 3-4 shift valve instead of the low/reverse and clutch control valves; this, in turn, allows the 2-4 servo apply ...So my truck had a bad shift flare from 3-4 for a little while. I am tuned and deleted with PPEI tunes. So I was driving the other day and now it just feels like it’s in neutral after it tries to shift from 3-4. No matter what gear it’s in 4,5,6 it feels like it’s in neutral. It works fine from 1-3.Jun 19, 2020 · Andrew Markel is an ASE Certified Technician and former service writer, and is now director of content for TD's sister sites, Import Car, Shop Owner and Brake & Front End. Published: September 30, 2023. Find out if your transmission module is not sharing information properly. Different codes will indicate different issues within the transmission.Shop the Best 6.7 Powerstroke 6R140 Complete drop in upgraded transmissions for improved performance and longevity. Upgraded internal components including clutches, drums, and valves increase load capacity and strength. Our transmissions are designed to handle extreme duty applications and feature an increased torque handling threshold while providing unprecedented shift quality and control.11 F-250 6R140 Shifting issues. The truck has 129k miles on it and for the past 15k miles or so it has started shifting very hard from 1-2 and very hard down from 3-2. Feels like I am getting rear ended by a Fiat hard. This makes stop and go Austin traffic miserable. I can sometimes make it shift smoother by giving it more throttle prior to the ...Jun 19, 2013 · Also, ask your dealer to install a VDR. This is a device that will record the event. They need to monitor: GEAR, GEAR-RAT, TRANS-RAT, OSS, TSS, RPM, TFT, LOAD and what ever else they want to record. What they need to do is graph the data and look at the shift timing from all the gears and the suspect gear.Can Shift a Maximum of 1-2 Gears Only . This problem is the same as the constant downshifting, ... The basic difference between all the 6.7 L 6R140 Powerstroke and 6.2 L 6R140 is the structure of software input, torque converter bearings, clutch packs, and materials that cause friction.Sep 25, 2017 · I have '12 F250 6.7 4x4 ,180K miles, and the transmission is acting weird. When I got the truck it was shifting smoothly through all gears. I did a DPF & EGR delete and tuned the truck with H&S transmission tune. The transmission started shifting very firm and did not like it. still have a kick/firm shift especially from 1st to 2nd gear.By now, you've all heard of the Ford-engineered, Ford-built, 6.7L V-8 Power troke set to debut this year. And now we've got info on Ford's new six-speed, heavy-duty TorqShift automatic ...2 brake clutches) Adjustable shift points ... • Load reduction in Neutral capable Gear Ratios and Range Selection First Gear: 3.974 Second Gear: 2.318 Third Gear: 1.516 Fourth Gear: 1.149 Fifth Gear: 0.858 Sixth Gear: 0.674 ... Ford 6R140: 6-Speed Automatic Transmission Specifications, features, and benefits applicable to engines and ...8.375" length to clear output shaft. Precision welded and ground. Accepts 1/2" drive torque wrench. Shown with 6R140 output nut/seal assembly for reference. Hand Use Only. Remove nut: Heat with torch to disolve thread locker. Install nut: Reapply thread locker than hand torque to 148 ft. # or 200 Nm.Gears Magazine - The Source for Transmission Industry Know HowFeb 22, 2014 · Then usually the following 2-3 shift was very harsh, a slam into engagement rather than a slide. 6.7L Power Stroke Diesel - 6R140 shift problem - Took my 2011 F250 in to the dealer where I purchased it concerning intermittent misses on gear changes. The dealer had no history or knowledge of problems with shift flares.Jun 11, 2023 · Reason: forgot a line. 6.7L Power Stroke Diesel - 2016 6r140 2nd gear slamming - Neighbor claims ever since he bought his truck several years ago that it had a hard shift. Truck is tuned and deleted but he claims it had the issue prior to the mods. It slams on the 1-2 upshift and on the 3-2 downshift.Ford 6R140 Vacuum Test Guide. May 11, 2022. Ford 6R140 Separator Plate Identification – How to Identify Changes & Interchangeability. Eric Streed. June 06, 2022. Ford 6R140 – Repairing Elusive Intermittent Neutral Condition. Jim Mobley. September 16, 2022. Troubleshooting Ford 6R80 & 6R140 2-3 Shift Quality Issues . Jim Dial. May 15, 2023Author: Ed Lee. A 2006 Chevrolet Suburban C1500 equipped with a 5.3L V-8 gas engine and a 4L60-E transmission was brought to a transmission shop. The customer complaint was "slipping in reverse.". The vehicle had 128,967 miles on the odometer, so the customer was sold a complete rebuild, including a rebuilt torque converter.2 posts · Joined 2015. #1 · Jul 11, 2015. Hello all. I have a 2000 Powerstroke Superduty with the 4r100 transmission. The issue is when I hammer the gas it seems like the transmission will be slow to shift to second. Almost like it hangs and then all of. A sudden drops in. If I drive normally (easy) it shifts better, but still soft.Working from home has become increasingly popular in recent years, especially with the advent of the COVID-19 pandemic. For those who work on a night shift schedule, working from h...The 3-2 coasting shift in tow/haul is the hardest shift to make in the TorqShift. It involves releasing two clutches and applying two clutches. All four clutches have to finish what they are doing within 30 milli seconds of each other or the shift slams. The big problem is that the releasing clutches are not predictable.I have a 2015 F250 6.7L 4X4 with a H&S and I have no issues with it. It has 137K on it and shifts just fine. But, I have a 2012 F450 not so good. When the oil is below 70 degrees it slams on the 1-2 shift and on the down it does the same on 5-4 shift. It is pretty harsh. Not just a reprogram issue I'm thinking. The 450 has no tune, bone stock.I have a 1999 f150 supercab 4x4 that shifts hard from first to second gear. I notice it more so when you take-off faster/give it more gas from a start. It shifts fine through all the other gears. I have had this problem since the day I had bought it used at 102,000 miles. Someone has told me that this is normal with the mileage and is common on ...Harsh 1-2 shifts are a possible sign of a Vehicle Speed Sensor (VSS) failure. If topping off the trans fluid and/or doing a fluid/filter change don't improve this, I advice replacing the VSS. I had harsh 1-2 shifts just as you describe even after a fluid/filter change, so I replaced the VSS (my cruise control was also not working).PART NUMBER 6R140-ZIP UIC GUIDE 1 2 2 2 2 2 Upper Valve Body 3 3 3 3 3 3 4 5a 5b 6 6 Lower Valve Body a1. Ridge Location a2. Sharp edge here and opposite side of bore. Typical bore. ... • Accelerate at moderate throttle so each shift occurs around 2000 rpm for gas engines and 1500 rpm for diesel engines up to 6 mph (105k/mh).The harsh shift is "normal" to me now, but the stop start clunk was awful, sometimes feeling like the truck was rearended. Good luck Reply Like. The following users liked this post: Wilks54 (04-11-2013) ... For the hard shift try driving it for a week or 2 under fast acceleration. I did this in mine and the truck doesn't have the hard shift ...This can't be that good to my transmission. 2011 F 250, PSD 6.7, SC, 4X4. Like. phantom-3k. 1177 posts · Joined 2009. #4 · Jan 26, 2016. Sounds the same! Very light accel harsh 1-2 shift. But supposedly harsh shifts in an auto tranny is a good thing, better than the shift flaring.TCC, 1-2-3-4 ("A"), 2-6 ("C"), 1-R ("D") Related Tech. August 15, 2022. Troubleshooting Ford 6R80 & 6R140 Timing-Related Shift Issues . Jim Dial. Related Sonnax Parts. Required. Recommended. 6R100, 6R140, 6R80 (2009-2014), 6R80 (2015-Later) Solenoid (NH) 126421-NHJ. Can only be used to replace normally high (NH) solenoids with identification ...Jun 11, 2023 · Reason: forgot a line. 6.7L Power Stroke Diesel - 2016 6r140 2nd gear slamming - Neighbor claims ever since he bought his truck several years ago that it had a hard shift. Truck is tuned and deleted but he claims it had the issue prior to the mods. It slams on the 1-2 upshift and on the 3-2 downshift.6r140 transmission advice. ... Forward is 1-4, direct is R/3/5, overdrive is 4/5/6, intermediate is 2/6. Make sure you replace ... With the additive package when I changed the fluid & filter. 60k later and still no problems or harsh shift. Save Share. Like. This is an older thread, you may not receive a response, and could be reviving an old ...03-07-2010 06:57 PM. Reply. 1 / 1. 1999 to 2016 Super Duty - F-350 2011 shifts hard when cold/cool - I recently purchased a 2011 F-350 w/6.7 diesel. When I first start it & let it run say 30 seconds and take off it shifts fine from 1 to 2 but when it goes from 2-3 it hangs there a second and then finally shifts into 3rd hard. 3rd to 4th is ok ...Forward 1-2-3-4 Clutch Latch Valve • Shift quality is not load sensitive • Delayed engagement • Harsh shifts • Gear ratio & solenoid codes • Burnt Forward clutch • Overheated fluid Replace with Sonnax Part No. 126740-06K Requires F-126740-TL6 & VB-FIX Intermediate 2-6 Clutch Latch Valve • Burnt Intermediate (2-6) clutch • 1-2, 5 ...The vette servo is a good thing, but it's more setup for the 2-3 shift as it's the 3rd accumulator. However it does firm the 1-2 a little. If you have slip or flare on the 1-2, then the spring Jimmyjam mentioned is a good place to start, but also I would want to know all the check balls made it into their rightful resting spot when it was rebuilt.2 brake clutches) Adjustable shift points ... • Load reduction in Neutral capable Gear Ratios and Range Selection First Gear: 3.974 Second Gear: 2.318 Third Gear: 1.516 Fourth Gear: 1.149 Fifth Gear: 0.858 Sixth Gear: 0.674 ... Ford 6R140: 6-Speed Automatic Transmission Specifications, features, and benefits applicable to engines and ...Ford 6R140 uses Mercon LV ATF: If only the transmission fluid drain plug or pan was removed, add 7.8L (8.2 qt.) of ATF. If the valve body was removed, add 9.7L (10.2 qt.) of transmission fluid. If the transmission was removed and disassembled, add 15.3L (16.2 qt.) of transmission fluid. Be advised of the dipstick ATF level instructions for late ...In regards to the clunk coming to a stop; there is a TSB for this, ignore it, Ford's service to this problem is a joke. Purchase some high temp. grease, I found Motorcraft brand at Advance Auto. Remove the drive shaft and generously lube the splines. Reinstall and enjoy, mine has been fixed for about 5,000 miles so far.powerstrokeculver. 71 posts · Joined 2013. #2 · Oct 11, 2014. Unless the 2015 transmission is different, an auto trans is controlled by hydraulic solenoids and clutch packs. It almost sounds like an issue with the TCM (transmission control module). I would be livid if my 2015 started acting up.720Deere. Postmaster. Join Date: Sep 2006. Location: Maryland. Posts: 2,598. Likes: 0. Received 3 Likes on 3 Posts. Harsh shifts are not what you need to …I have hard 1-2 and sometimes 3-2 downshift. I just changed the 3 solenoids for the 11-7-10 TSB and it changed nothing. 00 Black F350 4" Pro Comp lift GT38r, Volant Intake, 5" no muffler, EBPV deleted, do dad mod, 33" Terra Grapplers, K3LA Nathan Air Chime off a 5 gallon 150 PSI system.7. Most likely just an aggressive setup in the Transmission mechanically. I know from experience having too big of a hole in the separator plate in the trans will give you an aggressive shift no matter what. The servo and 1-2 accumulator play a big role in that shift too.Mar 27, 2020 · Published: March 27, 2020. 0 seconds of 0 secondsVolume 90%. 00:00. 00:00. The Ford 6R140 was internally designed by Ford and released in 2010 for use in the company’s large trucks. in this video, Mike Riley discusses the history of this unit and provides important repair information. Tags: 6R140, Ford, Garage Studio, Transtar Industries Inc.Check the harness connections or the ez stuff first. I’m not sure which harness connection is for the 1-2, 2-3 shift though. “4L60E trans use 2 shift solenoids, initially called Shift Solenoid A & Shift Solenoid B, later changed to comply with OBD II (On Board Diagnostics revision 2) regulations to 1-2 Shift Solenoid & 2-3 Shift solenoid.1-2 Shift Solenoid Low Voltage: P1843: 1-2 Shift Solenoid High Voltage: P1844: Subaru Transmission Fluid Pressure Sensor A Circuit Intermittent: P1845: 2-3 Shift Solenoid Low Voltage: P1847: 2-3 Shift Solenoid High Voltage: P1850: Brake Band Apply Solenoid Circuit: P1851: Brake Band Apply Solenoid Performance: P1852: Brake Band Apply Solenoid ...

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That Followed the drive cycle instructions and shifting is much better. Truck just hit 200K this week. 1999 to 2016 Super Duty - 2011 6R140 Trans Question - 2011 6.7l with 111k. 2wd Crew. Trans flares between 2-3 and 3-4 (or maybe it's 5 but seems like 4) at random. Never flares on heavy load, only on light pedal.Shop the Best 6.7 Powerstroke 6R140 Complete drop in upgraded transmissions for improved performance and longevity. Upgraded internal components including clutches, drums, and valves increase load capacity and strength. Our transmissions are designed to handle extreme duty applications and feature an increased torque handling threshold while providing unprecedented shift quality and control.

How Dec 7, 2020 · A necessary part of job retention is to query the customer as to any previous work done on the vehicle to avoid misunderstandings and wasted time. This is es...Oct 24, 2014 · Troubleshooting Ford 6R80 & 6R140 2-3 Shift Quality Issues . Jim Dial. August 15, 2022. Troubleshooting Ford 6R80 & 6R140 Timing-Related Shift Issues . Jim Dial. July 08, 2022. How to Identify Ford 6R140 Torque Converter Features & Avoid Application Pitfalls. Steve Jaussaud. June 06, 2022. Ford 6R140 – Repairing Elusive Intermittent Neutral ...Also, ask your dealer to install a VDR. This is a device that will record the event. They need to monitor: GEAR, GEAR-RAT, TRANS-RAT, OSS, TSS, RPM, TFT, LOAD and what ever else they want to record. What they need to do is graph the data and look at the shift timing from all the gears and the suspect gear.

When SHIFT KIT® Valve Body Repair Kit Fits 6R80 GEN2 2015-on, 6R100 2017-on Share. Email; Twitter; Facebook; SKU: SK 6R80-G2 Category: 6R60, 6R75, 6R80, 6R100. ... Fits 6R60/75/80/100 GEN1/2 2006-20 Also fits ZF6HP 19/26/32 GEN1 2003-on Does Not Fit: ZF6HP 21/28/34 GEN2 General Details.01-26-2009 06:35 AM. 2017+ Super Duty - 2019 F-350 Started Shifting HARD! - Purchased the 2019 F-350 Platinum new 3 weeks ago and it currently has around 3400 miles on it. Sunday morning I remote started the truck and let it run 7-8 minutes. I hopped in and started driving at low speed out of my hotel parking lot.…

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7. 77v-drive Discussion starter. 7 posts · Joined 2007. #1 · Mar 15, 2009. I have an 04 Taurus SE. It has a harsh 1-2 shift only while cold. After the engine gets up to temp, or the transmission gets up operating temp everything works fine. I have access to a MODIS scanner and there are no codes. I was thinking maybe it was the transmission ...Troubleshooting Ford 6R80 & 6R140 Timing-Related Shift Issues . Jim Dial. September 16, 2022. Troubleshooting Ford 6R80 & 6R140 2-3 Shift Quality Issues . Jim Dial. January 25, 2023. Uncovering the Root Cause of Pressure & Complaints - The Critical Role of Solenoid Modulator & AFL Valves. Maura Stafford Then usually the following 2-3 shift was very harsh, a slam into engagement rather than a slide. 6.7L Power Stroke Diesel - 6R140 shift problem - Took my 2011 F250 in to the dealer where I purchased it concerning intermittent misses on gear changes. The dealer had no history or knowledge of problems with shift flares. A 6R140 in a 2013 Ford F250 shows up at Jamie's Transmission Service on a hook. The customer says the truck just stopped moving. It only had 40K on it. ... Related Articles - 4L60E Harsh 1-2 Shift - TASC Force Tips: Diagnosing 8L45 & 8L90 Shift Complaints - TASC Force Tips: Hydraulics.6R140; 10R140; 10L1000; 1000 LCT/2000 LCT; Dodge Cummins. Ford Powerstroke. ... Common complaints in Ford AODE and 4R70 series transmissions are delayed Forward engagement and harsh 1-2 shifts caused by the 1-2 accumulator bore in the ... Sonnax 1-2 accumulator sleeve kit 76890-01K salvages expensive cases and restores the 1-2 … So I have had an intermittent issue with shift flares(2-3; delayed shift into gear from park; 1-2) for about the last 15-20K miles. Because of the intermittent nature of the problem and not being able to really predict when it is likely to occur I have not pursued the fix. The dealer I have spoken with needs to reproduce the concern. 1 Shift Solenoid E (SSE) Overdrive (4,5,6) Clutch, Normally High 2 Shift Solenoid C (SSC) Intermediate (2,6) Clutch, Normally Low 3 Shift Solenoid A (SSA) Forward (1,2,3,4) …A word of caution: don't get too crazy with the negative numbers or you risk burning clutches. I've seen -100 from 37.5% TPS to 100% TPS in a built 4L60E with the big servos and Sonnax performance pack. This made for pretty lazy 1-2 shifts. Don't go directly to -100. Make small changes and see how the trans responds.