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Questions tagged [automatic-transmission]

Questions regarding automatic gearboxes, and associated parts such as torque converters

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Th400 Transmission help

I pulled my Th400 out of my K20 Chevy and I'm in the middle of rebuilding it. I was reassembling it and when I went to put the completed gear train assembly in it, the centre support assembly gets ...
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GM 4L60-E Rebuild Questions - Part 1

I am in the process of rebuilding my first 4L60-E (I've done a 4L30-E before) and I had a couple questions. 1st: In terms of the input drum pistons I know there are both aluminum and steel models, ...
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Will it harm the transmission to drive with a defective Turbine Speed Sensor?

I recently got a 0715 DTC ( 98 Mazda 626 GF 2L, GF4A-EL transmission ) which is related to the turbine speed sensor. Some of the symptoms according to the ATSG transmission manual are harsh and ...
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Transmission Swap – how to modify mounts?

My car has in a Toyota 4e engine which uses a Corolla 3 speed transmission. The transmission is faulty so I would like to change it to a 4 speed Toyota Starlet transmission. The Starlet uses the same ...
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Why does my car slip from drive to neutral by itself?

Hello my name is Evelyn and I have a 2015 Ford Fiesta SE that I bought new. When I first got the car is had trouble shifting, it acted like a 4 speed car. What I mean is it would whine when it changed ...
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174 views

I have a 1999 Isuzu Trooper. Can't figure out problems

I have a 1999 Isuzu Trooper. 3.5 liter V6. Automatic. My problem is, if I have it in neutral or park, the engine runs great. Smooth, no weird noises, it'll rev up to red line RPMs no problem. However ...
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29 views

Chevy Silverado 1991 /w no reverse

I have a Chevy Silverado 1991 with a 454 engine (6.4 liter) and has a 4l80e transmission. The last couple months shifting in reverse was a problem. You could hear the normal sound of it shifting but ...
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70 views

'92 Hilux moves with gear in Park

This is a 1992 Toyota Hilux Surf Turbo Automatic. Just a quick question, chasing a fault on a Hilux: won't start off the key went through all fuses, relays and wiring, replaced old bushes in ...
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1k views

Reverse gear in Auto transmission not properly engaging after pushing car

I have a 1997 Audi A4 quattro that was not driven for a while, It was given to me by a friend who emigrated. All gears were working fine however the battery was flat and the car was parked right up to ...
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193 views

Odd lag with Mitsubishi ASX auto

I was test driving a 2017 model ASX - 2.2 litre auto diesel - and experienced an odd lag at one point. Having driving other automatics, I understand there's a bit of lag - but this was very unusual. ...
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1k views

Stuck in d3..please help

My 2006 Honda Accord is stuck in d3. It's just now happened. It still seems to be shifting like it would normally. And I can move the shifter down but it will not go from d3 to d, N, R, P......any ...
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107 views

Drivetrain stuttering on 2001 F-150 automatic

I have a 2001 F-150 with what I believe to be the 4R70W transmission. It's a 4 speed automatic with the 4.6L engine. The past two times I have driven it I have gotten a massive shaking and stuttering ...
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590 views

2010 mini cooper transmission noise and gear shift at RPM higher than normal

I'm hearing rattling noise when the transmission is engaged (drive) and it get's louder at higher rpm. previously I did not hear this. There is no noise when I rev engine in park mode. The gear in ...
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1k views

2008 Honda Accord Automatic Transmission - Transmission seems to be slipping. Is it serious?

I have a 2008 Honda Accord with an automatic transmission. I don't know much about cars. The car seems to be having problems switching gears, especially in low gear. For example, often when I'm ...
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227 views

Vibrations and Torque Converter Failure

I've read in various places that one cause of vibrations when shifting from Park to Drive in an ATX is impending torque converter failure. Another person asked about the different ways in which a ...
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861 views

Car transmission jerky downshift to 1st gear when braking to a stop

I have an Automatic transmission 2002 Nissan Maxima and want to know if a faulty vehicle speed sensor can cause a car to lurch forward when braking. If I am travelling at 40 mph in 3rd gear and then ...
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817 views

Signs of a bad transmission?

I have a 2004 Subaru Legacy L Sedan Automatic. I've been starting to notice in the past few months that the transmission is shifting strange, typically either when the car first starts up, or has been ...
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185 views

Changing Ford e4od to 4r100

e4od is a gear driven speed sensor/ 4r100 is reading directly off tail shaft and signal is much faster causing speed to read much faster. Is there a way to put an in-line adjustable type signal ...
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955 views

Possible transmission fluid leak

2001 Toyota 4Runner SR5 265K miles. I haven't driven it in 2 days and came out and found a small pool (about 2 teaspoons at the most) underneath the engine area. It's clear with a tinge of red, no ...
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2004 Kia Spectra 1.8 Automatic - No Reverse

A 2004 Kia Spectra 4cyl 1.8ltr automatic Reverse was working fine one day then the next it no longer worked. All the other gears work fine and the transmission fluid level is where it should be. I ...
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35 views

Cause of Auto Transmission Failure

I have a 2003 Honda Accord v6 coupe with a 5 speed automatic transmission - code baya. I recently had the transmission fail on me extremely suddenly and left me stuck on a highway. I want to stress ...
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98 views

Transmission or torque converter issue?

Long story short, car is a BMW 530d automatic from 2012 with the ZF 8 HP transmission. The problem is, after the timing chain was replaced, 2 years ago (and transmission pullet out to do that), the ...
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34 views

testing auto 4L60E transmission while not in vehicle

is it possible to test while not installed in vehicle my auto 4L60E transmission
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63 views

Am I risking engine or other damage by “babying” a failing transmission?

The transmission in my 2002 Honda Odyssey is on the way out. When cold, it tends to slip from 2nd back to first and sometimes also does weird stuff in 3rd and ultimately goes into limp mode. I did ...
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1983 Chevy Midas motorhome engine question

My mother was driving her motorhome to a campground the other day. I was following behind her in our car. About 2 hours in, there was an "explosion" of some kind. It was massive amounts of white smoke ...
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106 views

2007 CrownVic Transmission slips when engine is cold and loses power in turns

I have an 07 Crown Victoria Police Interceptor. It has around 100000 miles and ive had it a year. Lately it has started to die when I make a right hand turn. What I mean by that is my foot will be ...
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jumping RPMs around 60-100kms when i push it harder , lower acceleration due to this issue

I've got a 2001 Honda Civic 1.7L 4cyl. engine with an automatic transmission. My issue with it is mainly I find when accelerating faster, like merging on a highway, if I try to push it until it ...
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40 views

Automatic transmission difficult shift to upper gears

The car is a 1986 Ford Thunderbird 2.3L Turbo coupe, automatic transmission. Just got it for a few weeks and found it was very jerky when it tries to shift to higher gears, especially around 30 MPH. ...
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140 views

Gearbox issues VW Bora MK5 (Bora in Mex) 2007

I've been driving my VW Bora for 7 years. Has had its regular oil changes, tune-ups, tires and brake changes. I love my car and want to keep it perfect. For the last 6 months I have felt that the ...
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124 views

Single “thunk” sound when coming to a stop

Vehicles: 1996 Dodge Intrepid, 350,000km, 3.3L V6, 4-speed automatic 2000 Ford Windstar, 168,000km, 3.8L V6, 4-speed automatic Symptoms: I've seen this on 2 vehicles now (the 2 above). When slowing ...
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3k views

BMW X3 Jumps to Parking mode

I drive a 2012 BMW X3 F25 (2.0d) automatic. Very frequently, when I come to a halt, the shifter jumps to parking mode. If I disable the Start/Stop system, the problem seems to disappear. I got many ...
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Strange Automatic Transmission Issue

I'm not sure if this is cause to worry or not, but there is a bit of back story to this as well; I drive a 2006 Toyota Corolla with an automatic transmission. About 3 years ago, a line in my ...
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Slipping Automatic Transmission when Cold

Car: VW Touareg 2007 2.5 TDI 90,000 Miles Symptoms: Does not engage the clutch plates when cold and slips in all gears. When you take your foot off the accelerator, the revs drop down to idle while ...
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463 views

Speedometer doesn't work and transmission won't shift

I have a 95 GMC Sierra with a 4.3 V6 and automatic transmission. The speedometer doesn't work and will not shift on it's own. I have replaced trans fluid and filter(no shavings or anything abnormal ...
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984 views

Reverse on Auto transmission isn't engaging properly after extensive engine braking

First post onto this forum. We have a 2012 Hyundai SantaFe with a 3.6 Super charged petrol engine. Recently we spent some time visiting the local mountains, and I needed to use the auto box in a low ...
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924 views

2010 Honda Fit Transmission Replacement

So I'm just looking for a sanity check ... I was told today that my 2010 Honda Fit's transmission needs to be replaced at a cost of $4,400. At this point it's making a whoosh-whoosh noise that cycles ...
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1999 Toyota Camry Transmission issue

I have a 1999 Toyota Camry. Bought it from dealership a year and 3 months ago. I went from 150,000 to 170,000 miles on the Odometer. Overtime the car started to shift rough (automatic vehicle). I ...
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Don't know if its my transmission, or gears

I have a 2009 Chevrolet Impala LT. When I drive in D it won't go past a certain speed but when I drive in 3 it sounds faster than what it's going. It will be at 60mph and the reader will say at 6 when ...
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1k views

Auto transmission just stopped working while I was driving

While I was driving, my cars automatic transmission suddenly would not work in drive or reverse but the motor was still running. Does someone know what the problem could be?
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65 views

While in Drive, transmission failed to engage after stopping at light

I have a 2011 Nissan sentra. MESA remote start installed 2 weeks ago. It all works fine. However, last night stopped at light, went to go, and it's like neutral and the engine derates. However I don't ...
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1998 4Runner Automatic Transmission problem

I attached a video of my 98 4Runner Automatic, I noticed my RPM would jump from 700-1900 RPMS when I let off the gas and then accelerate. Video Link Is this a normal operation of the torque ...
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Benz automatic transmission almost stalls engine when cold

i have a 1992 Mercedes W140 300se automatic transmission and v6 engine. My issue is that when i start the car in the morning and shift to drive and give it some gas, the engine shudders and feels like ...
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2011 Volkswagen Routan Transmission issues

2011 Volkswagen Routan SE Van (daily driver) gave a transmission code P0841: transmission fluid pressure sensor switch A. We had a friend change the engine oil and the ATF. They also changed the ...
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Nissan Primera 2004 CVT - starting issue

For the last 3 days I haven't been able to get my car to start, I can make the ignition crank over but it doesn't want to fire up. I do have an solid engine light going on the dash. Prior, last I had ...
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2008 V6 Accord tranny problems?

Problem has been consistent for over a year. When accelerating from a stop car seems to be out of tune with buckling. Had the car tuned and problem continued. If I shift with 1st then 2nd then into ...
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When i step on the throttle, nothing happens, then after a second the car goes

My car is a 1992 Benz 300SE W140 Automatic Transmission, whenever i start the car and put it on D, when i step on the throttle nothing happens (the engine rpm does not increase) then after 1 second it ...
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148 views

Has forward gears but no reverse. Replaced transmission and its the same way

I purchased a 2006 Nissan Altima SL 3.5l 5 speed automatic. The car needed a motor. Owner stated the transmission was fine. I replaced the motor. I had no reverse. Forward gears, but no reverse. I ...
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Loss of power / warning lights amber

I drive a Vauxhall Antara 2009 automatic. This morning I had just left home when I felt as if the car had lost power . When I looked at the dash four lights were on. Engine/transmission management , ...
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Transmission fluid shows to be over full and trans is slipping

I have a 2005 Ford F150. The transmission starting having problems shifting today. When I checked the fluid, it shows to be way over full on the dipstick. I have not added any fluid since I have owned ...
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Went in for a transmission repair, had two torque converts fail since, Jeep Liberty

I've been having some issues with a local transmission shop. Basically, I had my transmission rebuilt and it has failed on me twice since. My vehicle is a 2006 Jeep Liberty CRD. My model has the ...