Touareg :: Bang When Downshifting From 5th To 4th Gear
Jul 5, 2012
I have been having this problem for the better part of a year, about 80% of the time when my transmission tries to downshift from 5th to 4th gear I hear a loud thud/bang which shakes the vehicle. The other 20% of the time the donwshift is smooth. I have tried manually shifting and get the same result. The problem does not seem to be getting worse. I have adjusted my driving and when accelerating in 5th gear at moderate speeds I accelerate just enough to keep tranny in 5th, so I don't get the thud.
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38k and 15 months old. Runs fine except...
Can be in cruise or not, tow/haul or not, but need to be pulling a decent hill with 7k+ trailer. Running level with air bags. Regardless of speed, cruising at 50, 58, or 65, beginning incline and turbo boost builds normally to maintain speed to the point when it needs to downshift. BAM!!, not just a clunk, 90% of the time- scares the hell out of me. I can make it do it on an incline empty, but it it difficult. If because initial speed is 50ish, a second downshift to 4th may be needed. A bang only 50% of the time.
No codes.
Regardless of the degree incline, (toughest in the NC/KY areas is 6-7% grade, can avoid harsh shift by backing off on throttle and manually downshifting to 5th or 4th, depending upon speed.
Can "make" it do it on level terrain with 7k trailer if I slowly back off throttle and slow from 65 to 50 or so and punch it, but not too hard. Too hard and it goes to 4th, usually with just a modest clunk. Just right and I get 5th with a loud, and I mean loud BAM. Even the tech was impressed.
Afraid to hook up my 17k 5er and take off for the next 3 months, which is the reason I bought the truck to replace my 11...
Carrier bearing has grease coming out of it (400k on various duallies and never seen this), but dealer says not an issue.
Ford told dealer that it had no idea, and advised tech to do a lot of pin point electrical testing and everything checks out. Next stop is the inner workings of transmission.
I have been without it and work for 3 days because of backlog. Running two day load tomorrow, then back in for tranny work.
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My 2006 V6 has about 115k miles. I pulled up and parked the other day and with the car still running, heard a loud "bang" under the right passenger side, and then the compressor wouldn't stop, even with the keys out of the ignition...it was still running an hour later when the flatbed took her away to the dealer.
The car was rear-ended 4 years ago and the back hatch/glass, which operates from the air suspension system, hasn't been able to hold itself up in several years. So there probably really is a real problem with the air system.
Here are questions initial questions I have.
1. From what I've read, it is common that a leak elsewhere in the system caused the compressor to eventually fail. The dealer is telling me that the compressor "blew apart inside" and that it needs to be replaced. Is this reasonable given that the compressor was still audibly operating an hour later?
2. The dealer is telling me that they cannot troubleshoot the rest of the air suspension system without me buying the compressor first. Is this a reasonable approach and level of competence? The service went on to say "We don't see many of these." Should I be worry? I am also concerned that I've read stories about dealer service departments who didn't know/didn't offer up that components of the suspension system can be replaced without the whole, very expensive unit.
3. The SUV was in the dealer 3 days prior for a new drive shaft and some electrical repair in the headlight which included the fuses blowing several times. Could there be any connection or does this sound like coincidence? Any thing I should ask them to protect my interests.
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It's a 2002 explorer, 4.0, 5R55W trans, all was fine then O/D light starts flashing, so I limp it home. Trans isn't slipping, every gear works, it does kinda bang into 4th but is otherwise normal. Took it to auto zone to have the code read, but no codes found. Disconnected battery to see if it just needed a reset maybe, let it sit for a few hours, reconnect, OD light still flashes. Borrow a different OBD2 tester, still shows no codes, still drives the same just bangs into 4th. I've read up on the solenoid pack replacement, just kind hesitant as I feel like I'm guessing at the problem and might be throwing money away.
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I have an 05 F 250 super duty with the Triton in it. When I shift either into overdrive or reverse the transmission hesitates (does not go into either gear for about 5 to 10 seconds). After that it engages and it's fine. It does not appear to be slipping or acting up regardless of temperature or speed. Sometimes it will sort of engage and than bang into gear solid. I do not have any check engine lights. Not sure if the PCM has any codes. So I'm trying to figure out if I need to have a complete rebuild or if I have a valve / solenoid body problem Where do I start?
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VW replaced my entire transmission and it still jerks into gear when downshifting to a stop or hitting the gas hard while coasting!
Also, I swear there is now binding while turning a la moteur stepper. New tranny. New rear drive shaft. Allegedly new transfer case (I cannot confirm this though). New new new programming. And still the darned thing vibrates by butt with a downshift that a Bettle with 300,000 miles on the clock would not dare make.
Any reference to the operation of the transmission and the sequencing of the various clutches and other coupling devices with respect to gear selection and engine conditions?
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I took my Phaeton in for a transmission noise and they are saying it's "normal" for V8 Touaregs and Phaetons to have this noise on downshifting under acceleration from 4th to third at around 40 MPH. Yes?
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I don't know if this will be corrected by the next Tranny Flash (since the current flash wasn't applicable for my 61xxx VIN and engine code), but I have noticed that whenever I opt for Tiptronic, and downshift, my Treg seems to speed up first. I don't notice any significant engine braking until I apply the brake.
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When my TREG is downshifting from 3rd to 2nd gear, it sometimes blips the throttle just a bit before settling into 2nd. Almost like one would do when down shifting a manual transmission.
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I have a '05 V8 T-Reg (loaded with Air, NAV, and the like) and have the local VW dealership perplexed. The problem is when I am going up a hill and slowing down. While downshifting the T-Reg lunges forward while moving from 4th to 3rd gear or 3rd to 2nd. The car jumps forward and the engine revs. If I don't have my foot on the brake I would smack into the person in front of me.
Initially, the dealership (Day Imports, Monroeville, PA) determined it was the valve stems and replaced them (after keeping the car for 4 days). The problem came back and now (going on 6 days in the shop) they cannot find a solution. They tried a new shifter plate but the problem still exists. I'm waiting to hear back from the service manager about what VWoA should try next.
The T-Reg has 72k miles on it...
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My car is downshfting kinda hard from 2nd to 1st I guess, it's just before I stop. What's causing this? It's a 2002 V6 4Motion.
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Yesterday I took the R out to grab some food on my lunch break. Didn't drive like a lunatic or anything, pulled into T-Bell parking lot and the car didn't want to downshift. Ok Weird. coasted in, parked, and put it in neutral and let out the clutch and the car stalled like it was still in gear. Go to leave and the car doesn't want to go into reverse. Thats when I realized something had gone seriously wrong.
Basically the car is stuck in 3rd gear. I can get the shifter to engage into reverse but the car tries to creep forward like I have the e-brake on. It doesn't go into any other gear but 3rd or 4th, but even when the shifter is in the 4th position its still in 3rd gear. Even when the shifter is in the neutral position its in 3rd gear. I limped the car home. I've looked into it a little bit and I'm leaning toward the 3/4 shift fork being broken. I know this won't be a cheap repair.
I think if it is the shift fork I will be upgrading the the one piece steel versions.
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I've just had my 2006 B6 fixed last monday....something with throttle body , fuel pressure sensor and transmission "flashed" since it was downshifting rough from 5th to 4th. Today while cruising on the highway at first "open gas cap" showed up so i pulled over turned engine off then back on, light was gone, then on may way from work engine light came ON out of nowhere so i have another appointment to have them look at it this coming sat.
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Just bought a 2000 passat v6. I have owned a 99 passat 1.8t for 5 years and has had little to no problems. When I first was driving my newer v6 I noticed that when im downshifting from 3rd to second especially it has shaking feeling in the front end. Wasn't sure if this was a transmission problem or an axle problem.
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The downshifting while braking is very obvious during braking, I can literally feel the gearshifts going down from 5th Gear to 1st as I brake. I have driven a wide range of cars but haven't experienced this earlier. Is there any modification that can be done or added to change this and make it smoother like usual cars?
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I've noticed that when I downshift into second gear, either going down a hill to augment braking, or setting up to take a corner quickly, I will occasionally hear two quick beeps (in the cabin) which are not very loud. This seems to happen when I'm using the paddles to downshift.
I assume that this is some sort of driver's aid, but for the life of me, I can't figure out what it's for.
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Heard a clunk and then have the car feel like something from the inside is trying to stop it when using the paddle shifters in manual mode. Specifically when downshifting from 2 to 1. By the way I did a slight throttle blip, I have done this before with very smooth results but this time it really scared me, I though the transmission broke for a second; when the car did what it did.
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I have an 07 and in S mode the car does a pretty hard when down shifting around 3rd/2nd gear. if there is a fix for it? I'm going to talk to the dealer about to see what they say.
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My wife's 07 Chevy Aveo was towed home Tuesday. She tried downshifting on the freeway and suddenly she couldn't get it in or out of gear. I was able to get it in all gears but the clutch engagement was all wrong. there didn't seem to be any slip zone, it just jumped at 1/2 pedal. I found the clutch master cylinder leaking slightly under the boot so I changed it and bled the system, no change. I had backed the car out of the garage onto the upward sloped driveway which required a lot of RPM's. Later I couldn't get it out of gear and cannot disengage the clutch, even to allow it to roll. I also changed the slave cylinder, still no luck. I changed the clutch, throw out bearing, and had the flywheel resurfaced last April.
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My 2009 downshifts hard between 2nd and 1rst gear. Real distinct when stopping at a stop sign. I have 81,000 on it. I looked at older forum's and they said flashing the computer would assist. Just curious if it works for a vehicle with that many miles on it, or if it may be a more serious problem.
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When I am going into or downshifting to second gear in my GLI it makes a thud sound after I let out the clutch. It doesn't always happen and it does it if I just throw it down and if I don't have a perfect rev match. It just started a few days ago.
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