4l30e transmission problems. Dropped it, took it a...

4l30e transmission problems. Dropped it, took it apart, sure enough the plates were toast. If you want an auto, I’d get a different engine and take the matching transmission from that. I have a 2001 Isuzu Rodeo 3. Any ideas what may have caused the transmission to not want to go beyond first gear?? My next question is if it is better to rebuild, or better to buy a used transmission. It is quite a surprise for a technician to learn that a malfunctioning TCC solenoid could cause a slipping in reverse or loss of reverse with 4L30-E transmissions. In Figure 1, a partial EC3 hydraulic schematic for a 4L30 4L30e transmission woes - Manual 1st and 2nd, no 3rd or 4th Jump to Latest 13K views 43 replies 5 participants last post by Miajr84 Jul 29, 2011 9 Problem #1) Any ideas as to why my 4L30E tranny pops out of the drive gear occasionally? It seems to only do this after it reaches normal operating temperature. It slams into gear so hard that the drivetrain resonates like a ringing bell. n New Zealand. I will probably be forced into changing from a 5 speed to an automatic. I've read that there's a torque converter drain-down problem with this transmission but if that was the cause it sounds like it has caused some damage elsewhere. Transmission rebuilders and service experts fixing transmissions online. Aug 22, 2023 · While the 4L30E transmission is generally reliable, some common issues include solenoid failures, valve body problems, and torque converter issues. All 4L30E questions answered by experts I rebuild the 4l30e in my Isuzu Trooper recently. I have a '99 Amigo with a 4l30e transmission and was wondering if any transmission gurus can help me diagnose an issue I'm having. But they aren’t without their problems though, so let’s look at some of the most common Isuzu Rodeo transmission problems, look at cost estimates and figure out what you can do about them. Oct 4, 2025 · Discover the common problems associated with the BMW 4L30E transmission, backed by statistics, expert insights, and consumer feedback. My wife's trooper 4L30E was rebuilt at the end of 09 by a local transmission shop (Reliable transmission Hillsboro OR) and its been a nightmare. Turning right while changing gears is especially hard. Sometimes if I'm accelerating at a Looking for 4L30E electrical problems: The shift indicator in the cluster was not functioning correctly and transmission was shifting hard. They forgot to put something on. The problem occurs mostly after the transmission has been re-installed. Coincidentally after having my transmission fluid exchanged at a local establishment, my transmission started shifting very harshly on the 2>3 shift, both up and down. No leaks. Second time was because it was leaking. I was rebuilt once I have seen your responses to several transmission problems and you seem to be one of the most knowledgeable, more so than even my local Isuzu repair shop! About once or twice a month my transmission light would blink at startup for the past 6 months. Time went on with the trooper as my daily and everything continued well. I also re-did drum seals, housing seals, valve body seals, the works. The problem I am having is that the seller is sticking to the story that this transmission was made for an Isuzu trooper - even after talking directly to the transmission guy that has looked at both of them. I've been reading around and collecting some info about problems that are similar, and it's given me a general idea of whats wrong. . Fluid capacity and type, valve body and solenoids charts. The Isuzu Trooper was equipped with the 4L30E transmission. 2 eng, 4l30E automatic transmission. If I understand it Low band adjustment on Fiona to attempt to fix a slipping issue. I passed 1k miles After putting a a couple thousand miles on it, the tranny started to give him problems. Now it's seems like it's slipping and in 1st I just rebuilt the 4L30E in my 97 318i. TRNW: The original Transmission Rebuilders Network core group members. The third time was because if was revving high rpms before shifting and the rpms were erractic. All 4L30E questions answered by experts Discover tips and techniques for adjusting clutch clearance in a 4L30 E transmission, including using thinner clutches and replacement parts. I replaced all the other clutch pack plates too while I was in there. I passed 1k miles Bimmerforums is the preferred online BMW Forum and community for BMW owners. After putting a a couple thousand miles on it, the tranny started to give him problems. When I accelerate at a normal pace onto the highway, the transmission will shift smoothly from 1st to 2nd, 2nd to 3rd, but when it shifts into 4th gear the So if you drive the vehicle with the fluid temperature at 240 degrees, your transmission will develop significant problems and fail 4 times sooner that it would have otherwise. I rebuild the 4l30e in my Isuzu Trooper recently. I researched this issue on the boards already, but there are conflicting replies. No reverse, little or no reverse, neutraling in reverse and partial TCC-lockup apply in reverse are only a few of the many problems. I would highly recommend avoiding these useless transmission for more reasons than one. Here is the history: The trans was r & r 4 times, rebuilt with just about everything replaced, including 3 new The 4L30-E was an automatic transmission developed and produced by General Motors. Need a replacement transmission? Get an estimate for replacement transmissions and local 4L30e transmission rebuild Plus Pics and Guide Jump to Latest 85K views 30 replies 23 participants last post by msessions588 Aug 12, 2023 R Discover the common problems associated with the BMW 4L30E transmission, backed by statistics, expert insights, and consumer feedback. In Reverse, 1st, 2nd and 3rd the overdrive section, which is located between the Torque Converter and the transmission, operates in a 1:1 ratio. In some situations it can be partially attributed to the “out of sight, out of mind” syndrome, as is the case with a 4L30-E transmission in Isuzu Trooper and Rodeo vehicles. It was developed for light-duty use in longitudinal engine rear-wheel drive vehicles, replacing the similar TH180/3L30. Regular maintenance and early detection of these issues can help mitigate potential problems. For a while now my rodeo (My specs SHOULD be in my sig) has been shifting oddly. Hey all, My trusted mechanic told me the trans fluid leak is not coming from the pan, but from either the pump seal behind the torque converter or the torque converter seal. Jul 25, 2025 · Discover common GM 4L30E transmission problems, repair costs, user reviews, and expert insights to help you make informed decisions. 4L30e transmission issues Jump to Latest 239 views 4 replies 4 participants last post by lukemurphy1114 Aug 25, 2025 J In the world of transmission diagnostics, from time to time there is a scenario in which the diagnostics performed ends up being a waste of time. About the author. Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm So I started researching a bit on the net, in Isuzu, BMW and Cadillac forums (the 4L30E is used in a few different vehicles) and started to find some common problems. 4L30e Transmission Shifting Problem - with Solution Jump to Latest 234K views 94 replies 53 participants last post by rbral Jun 9, 2017 S Get 4L30E transmission rebuilding tips, 4L30E troubleshooting help, 4L30E technical service bulletins, 4L30E diagnostics and 4L30E technical information from TRNW. Skimming through Autotrader, there are a number of Z3s with automatic transmissions, but most of them have the 2. I rebuilt because there were problems with the 2nd to 3rd shift being soft and then finally presenting a false neutral from worn out plates. It only seems to do this after the car has sat for a day or so and is used in the morning. Trusted by transmission remanufacturers & valve body rebuilders since 1978. Knowing what parts of the transmission can affect which characteristics of servo release pres-sure, you can eliminate many of them with this one easy test. Table Of Contents 4L30E 3rd Clutch Checkball Missing D 3 2 Check-ball 3rd Clutch Quick Dump Checkball Missing Reverse Clutch Checkball Missing Pressure Taps 2nd Clutch Pressure 4th Clutch Pressure Servo Apply Pressure Pressure Tap Circuits Input Sprag Rotation 3rd Clutch Drum Disassembly . This booklet contains the general description and the procedures necessary to repair, overhaul, or service the Hydra-matic 4L30-E transmission that is currently found in the Opel Omega, Opel Senator, BMW, and the Isuzu Trooper/Rodeo. I know it's been mentioned in a thread or two but I can't find it in the search bar. He had it replaced with a used transmission that worked fine and then started giving him the same problem right after the 1K mile/90 day warranty ran out. I did some research on the the Trooper/4L30e tranny and after reading this thread, The 4L30e transmission is a 3 speed with a retrofitted overdrive section that provides a 4th gear ratio ("Overdrive"). When it would do so my transmission would bump from 2nd to 3rd and from 2nd to 1st. Dec 4, 2004 · I have heard the transmission control module and/or solenoids can cause shift issues and the transmission is not failing. 5 DOHC 4x4 Automatic 4L30E transmission Struggles to shift out of 1st or 2nd gear RPMs rev over 3,500 and triggers the "Check Trans" light to flash and the car switches to "BACK UP" Mode and then starts to shift a little better and manual shifting is enabled and seems to 4L30E transmission problems? We have replacement new, used, & rebuilt GM 4L30 transmissions for sale with fast shipping and a 5-year warranty. The 4L30-E was an automatic transmission developed and produced by General Motors. Posting here to see if there's anything I should be prepared for, tell the trans shop, and/or if anyone has had this We hope you find the Lookup Isuzu Transmission by Model, Year guide helpful. I replaced Because of the 4L30-E's longevity and its use by a variety of vehicle manufacturers, numerous changes have taken place in this transmission throughout those years. At Bimmerforums, you will find technical how-to information maintenance specifics audio advice wheel and tire combinations and model specific details not found anywhere else. and I can force it to pop out if gear if I drive it hardand play with the accelleration. I did some research on the the Trooper/4L30e tranny and after reading this thread, 2002 Isuzu rodeo 4L30e. Check these troubleshooting and repair guides for more help on your Isuzu. In Figure 1, a partial EC3 hydraulic schematic for a 4L30 Probably 2/3rds of the broken ones are broken cuz the tranny (4l30e) “won’t shift out of first” or “starts but won’t shift”. The customer was referred to the transmission shop by a technician at a general service facility because of a “check transmission” light and the torque-converter-slip code that he found during his inspection. Can anyone help? Thanks In the world of transmission diagnostics, from time to time there is a scenario in which the diagnostics performed ends up being a waste of time. Discover premium quality transmission parts with unmatched reliability, durability & value. I experienced some problems with the transmission not shifting Well here's another problematic 4L30E thread. Even after a hydraulic change to the 2000 and later Troopers and BMWs with the four-valve-pump EC3 converter-clutch-apply arrangement does this potential problem still exist. Automatic Transmission Service Group: 03 R 96 ISUZU 4L30 E WRONG GEAR STARTS & ERRATIC SHIFTS Automatic Transmission Service Group 7. Transmission rebuilding tips, technical service bulletins, sprag rotations, checkball locations, pressure testing. That’s where the Isuzu Trooper, and more specific the 4L30-E transmission, the main subject of this manu e Netherlands. 3rd Clutch Pressure Plate Installation Binds in 2nd A 1995 BMW 325i equipped with a 4L30-E transmission came into a transmission shop. These problems tend to be more pronounced with higher temperatures, so always check the pressures with the transmission hot. Hello folks, New to the board and am looking for some tech help. Hello, all! I've developed some nerve issues in my left arm and it's making driving my Z3 difficult. Also heard a bad center bearing or driveshaft problem can cause a shudder when shifting. Aug 1, 2002 · The most-common complaints concerning the 4L30 E usually have something to do with reverse. Coincidentally after having my transmission fluid exchanged at a local establishment, my transmission Get 4L30E transmission rebuilding tips, 4L30E troubleshooting help, 4L30E technical service bulletins, 4L30E diagnostics and 4L30E technical information from TRNW. Having shift problems after a rebuild. The vehicle had no 1st or 2nd gears and with the expert advice of 4L30E Guru on Planetisuzoo I had my transmission rebuilt. Hard shift from 3rd to 4th and shuddering in 1st on takeoff. How hard is it to replace the #1 shift solenoid in a 4l30e transmission? It's in a 2001 trooper. But they aren’t without their problems though, so let’s look at some of the most common Isuzu Trooper transmission problems, look at cost estimates and figure out what you can do about them. A career as a seagoing of icer followed. This transmission is a completely electronic controlled, 4 speed, 1998 isuzu trooper S 3. Jul 21, 2022 · A remanufactured transmission normally last 10,000 to 80,000 miles and cost more than the vehicle is worth. First time I took it back because it was leaking. 4L30-E: Slips in 2nd or Slips in 3rd A 1995 BMW 325i equipped with a 4L30-E transmission came into a transmission shop. 4L30E Transmission repair manuals, diagrams, guides, tips and free download PDF instructions. 5 (and larger) 6 cylinder engines. 39K subscribers Subscribed 3. I have a 2000 Isuzu Rodeo it is leaking tranny fuild out of the pasenger side of the transmission right above the front Customer: i have a 98 isuzu rodeo, 3. The Isuzu Rodeo was equipped with the 4L30E transmission. Later he came involved in skydiving, did almost 2000 jumps and was rated as a pa Download the Hydra-Matic 4L30-E repair manual PDF free online for detailed service, diagnosis, and transmission troubleshooting guidance. Technical issues and repair guidelines The torque converter, valve body and solenoids in the 4L30E transmission have a relatively limited resource. 2 with a 4L30E transmission. The transmission shifted great and everything seemed ok. How do I disconnect the TCM to allow manual shifting to be able to determine if this is a mechanical or electronic problem. Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm Hello to all, I am new to the forum. I have a '99 Isuzu Trooper auto. Bimmerforums is the preferred online BMW Forum and community for BMW owners. aof1, kzs0, 3nh38t, iso6o, wr17z, yvsqc, lfd1, iib8, bga8zm, hbens,