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

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1answer
1k views

2001 Mercury Sable — Rough Idle/High RPM and Transmission Leaks

I have a 2001 Mercury Sable (24V DOHC V6) that has been having problems with its vacuum system. I live in Florida where the average temperature lately has been in the 80s. For roughly a month now, ...
2
votes
1answer
145 views

Engine sound rumbles/grumble noise 800-1300 RPM

A 2000 Toyota Celica GTS 225k miles engine makes a mild rumbling/grumbling rough sound when accelerating slowly from a stop in drive or reverse only in the 800-1300 RPM band. Does not occur when in ...
5
votes
0answers
45 views

Th400 Transmission help

I pulled my Th400 out of my K20 Chevy and I'm in the middle of rebuilding it and I was resembling it and when I went to put the completed gear train assembly in it and the center support assembly gets ...
4
votes
0answers
27 views

what would cause lack of movement in the gas pedal, causing slow acceleration?

I have a 2002 Hyundai Elentra. Until yesterday every thing was fine. Yesterday I noticed the car was not accelerating normally. I also noticed my gas pedal basically had almost no movement. No ...
4
votes
0answers
122 views

Engine Running Fast in Park

Never had this issue before but I just started my vehicle and the tac automatically revved up to 1500 rpm when I cranked it. It didn't go back down while in park, it basically idled at about 500 rmp ...
3
votes
0answers
195 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 ...
3
votes
0answers
59 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 ...
3
votes
0answers
273 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 ...
3
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0answers
263 views

1992 Mitsubishi 3000gt sl. no power and won't go above 2k rpm

I bought an automatic 1992 Mitsubishi 3000gt sl 2 days ago. I got it cheap knowing it would have problems, and that's why I'm here. When I put it in drive and slam on the gas the car just simply ...
2
votes
0answers
39 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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vote
0answers
81 views

Compatibility with automatic transmissions between MDMA and M4TA Honda CRV 98

I need to buy an automatic transmissions but only found MDMA automatic transmission for this reason I need to know the compatibility between MDMA and M4TA. Honda CRV 98 4X4 and mi car use M4TA Exist ...
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0answers
149 views

Car slightly lurches forward once or twice while braking to a stop, transmission bumping

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 ...