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Toyota 4Runner Transmission Problems

145 messages,  Last post on Nov 28, 2009 at 12:07 PM

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What is this discussion about? Toyota 4Runner, Transmission, SUV

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#101 of 145 Advice on car problem by sfzab Feb 08, 2009 (2:47 pm)
Topic: Automatic transmission losses strength sometimes   I am the owner of a 1995 Toyota 4Runner, 4 doors, SR5 V6 with a 3.0 EFI engine. About a year and 3 months ago, its automatic transmission began to lose strength occasionally even though it was accelerated. The vehicle might run apparently well sometimes, and then unexpectedly lose strength and not be able to pass a speed rate of some 30 mph.   When this has occurred I have noted that the speed revolutions meter moves up then very fast. However the motor vehicle will not move much more faster even though one accelerates it. The problem described is not something that happens all the time, but rather unexpectedly.   I took the car to a few reliable mechanics that were knowledgeable of Toyota motor vehicles although they were not Toyota employees. Three of them scanned it, and they all informed me that they could not detect the cause of the failure. One of them made a full repair of the automatic transmission, but unfortunately that did not solve the problem.   I will appreciate your kind feedback on the matter in terms of other possible solutions that might exist or may have been overlooked.
#102 of 145 Transmission kaput by Bizzimomx2 Feb 11, 2009 (11:04 am)
Our 01 4runner is in the shop, complete transmission rebuild. Our first sign, a whine during acceleration. Had Jiffy Lube flush and change the fluids. Whine didn't go away...back to our local shop, they couldn't find an issue. Then a new noise popped up, a knocking noise (louder in reverse)....Back to our local shop, then to a transmission shop. Upon draining fluids and finding metal pieces in the drain pan it was determined that the transmission was in need of repair $$$   I'm very discouraged with mechanics these days - - - I feel this should have been determined months ago.
#103 of 145 02 4runner by tony255 Feb 17, 2009 (3:43 pm)
Hello, I’m new here! This has been going on now for quite a while, if this has been ask before please forgive me. I have a 02 4Runner 2wd and when the motor is cold summer or winter it won’t shift out of second gear until I reach 35mph about 2500 rpm , fluid is fine. My son had a 02 Tacoma 4wd that did the same thing. Am I looking at a big repair bill or worse? Thanks   Replies to this message: michealf (Feb 17, 2009 6:09 pm) dput87 (Feb 19, 2009 6:32 pm)
#104 of 145 Re: 02 4runner [tony255] by michealf Feb 17, 2009 (6:09 pm)
Replying to: tony255 (Feb 17, 2009 3:43 pm) Hi I have a 95 4Runner and had this same thing before and after I had my transmission rebuilt for other problem(overheating). Anyway, this is normal and a Toyota design I guess to keep your transmission from working too hard to pump cold fluid into the overdrive section of your vehicle. No problem as far as Toyota and Ammco are concerned. More noticeable in winter as it takes longer to warm so more noticable. Been two years since the tranny was rebuilt and have not had any more problems. Replies to this message: dput87 (Feb 19, 2009 6:32 pm)
#105 of 145 Re: 02 4runner [michealf] by dput87 Feb 19, 2009 (6:32 pm)
Replying to: michealf (Feb 17, 2009 6:09 pm) Not too sure if this answer is mechanically correct. I recently had the same issue arise in my 1995 Toyota 4runner. It did not have this issue previously, by me or the other owners. It is not a "design" by Toyota. According to Toyota Manufactures, (not the dealer who is just a franchise of Toyota) this is not a design by them.   Quoted is a reply from Toyota Corp: "It would be unsafe to design a vehicle with such behavior. This could create unsafe situations for drivers and undo wear on engines operating at high RPM's. If you are having such issues with your Toyota Transmission we highly recommend having your vehicle serviced at your local transmission repair shop."   I am currently in the quest for answers as this problem began part way through the winter, after the cold snap and my driving patterns are the same today as they were then. Some have replaced stuck Thermostats, others have bad solenoids, my friends was a Coolant Temperature Sensor. Mine is still a mystery. Some other solutions have been transmission fluid issues(dirty, low, too thick), wiring(corroded, loose, and bent/cracked)   Good Luck too everyone
#106 of 145 Re: 2008 4x2 v8 trans problem [jettaface] by scottcrafton Feb 24, 2009 (11:34 am)
Replying to: jettaface (Oct 30, 2008 12:29 pm) Jean: the local dealership adjusted the netural safety switch 3 months and no more problems. Prior to this they replaced the transmission and computer and problem was still there.   thanks!
#107 of 145 What Can Be Causing This? by bassnvox Mar 08, 2009 (5:21 pm)
I have a 1990 4Runner 3.0 V6 4WD. The car bogs out, makes a metal grinding sound, and loses power at 2000 rpm, it has minimal power until about 2600 rpm, once I pass that it is fine. Also in 4th and 5th gear, the pedal will be floored and I will have no power and be unable to pass 2000 rpm, the only way around this is too down shift and tach up the engine so that I will go into gear higher than 2600 rpm. I have recently replaced the max sensor, fuel filter/pump, all gaskets inside the block, and cat converter. I also have a clean K&N intake system, and I run high mileage synthetic blend valvoline oil. I don't know what else I can repair or replace to fix this and it's becoming very expensive. What can be causing this?   Thanks, -Josh Replies to this message: 914runner4wd (Aug 02, 2009 6:15 am)
#108 of 145 Re: 94 4runner transmission shifting problem [94runner] by 4runner46 Mar 18, 2009 (2:30 pm)
Replying to: 94runner (Jan 24, 2009 2:30 pm) My wife just told me she was having the same problem. Have you figured it out yet?
#109 of 145 Re: Rear end and trany? [smilily] by cableguy4 Jun 07, 2009 (7:17 pm)
Replying to: smilily (Jan 29, 2009 3:39 pm) did you ever find out what the problem with your 4runner was. i own a 98 4runner and have the same problem with the clanking in and out of park and the vibration at highspeeds. thanks for your response
#110 of 145 '91 shifting problem by berzey Jun 13, 2009 (5:04 pm)
I own a '91 4Runner 4x4 v6 with 195,000 miles on it. About a week ago I started having problems with the auto tranny. When accelerating uphill from a stop, it won't shift from 1st to 2nd without me pulling it down into 2nd. The rpm's climb normally, it just doesn't grab 2nd until I pull it down. It shifts everywhere else normally and does well downhill and on flat surfaces. If anyone has any suggestions just let me know. Thanks

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