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Discussion Starter #1
So...had to replace the tranny in our 2004 TL auto. It’s got 120,000 miles. I think in that time, only one partial fluid replacement was done. The fluid though, when we replaced it, wasn’t burnt smelling, but was very dark.

Suddenly it wouldn’t shift properly, just spun in neutral. If it was cold, we could get the car to move, but not for long. We decided to replace with a rebuild from H and A Transmissions as they are the company American Honda uses and all the dealers use.

H & A Transmissions, Inc.

About 60 miles after the rebuild though, it started acting up. Symptoms were dash lights all came on (VSA, check engine, exclamation point and gear indicator light flashing). Car wouldn’t do manual shifting. At freeway speeds, wouldn’t downshift with full throttle, after accelerating onto freeway, would stick in 3rd gear. If speeds dropped below 35mph, it would downshift properly. On freeway, wouldn’t upshift to 5th. Stays in fourth. From dead cold, it seemed to shift normally for about 10 miles. After turned off and allowed to cool a little, we could get a mile out of it before the symptoms.

So, it’s being looked at now, but based on this, what do you guys think? Tranny again? Computer?
 

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What was the original fault on the original gearbox before the "rebuild"?

Auto boxes are very very intricate and are controlled by oil to change gears give drive the works.
From what you describe (the fine when cold) They've got the wrong ATF fluid in and it's thinning out too much not controlling the box properly.
The warning lights could be related to transmission oil pressure.
 

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Discussion Starter #3
The original fault was that suddenly the tranny wouldn't go in gear. Just sort of spun in neutral. Happened very suddenly. It would work when cold, but within about 10 more miles, we cold only barely get it to move when cold. It was filled with Acura fluid, but was old fluid. Not burned though.

For the replacement unit, I assume they used Acura tranny fluid since I gave them a case of it. Although I didn't mention it was in the back seat, I'm sure they saw it and used it cause it wasn't there when I picked up the car.
 

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Maybe just me but does that mean both boxes went funny after the same kinda fluid was put in them?
 

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"American Honda Expands Voluntary Transmission Recall to Certain Honda and Acura Automobiles
Wednesday June 30, 1:00 am ET

Source: American Honda Motor Co., Inc.

American Honda To Recall Certain Light Truck Vehicles to Repair Automatic Transmission

Torrance, Calif. 04/14/2004 -- American Honda Motor Co., Inc., today announced a voluntary recall of certain Honda and Acura light truck models equipped with V6 engines and five-speed automatic transmissions to inspect and repair a potential defect in the transmission.

The recall involves approximately 600,000 light trucks manufactured in the U.S. and Canada. Affected models include certain model year 2002, 2003 and early 2004 Honda Odyssey minivans; 2003 and early 2004 Honda Pilots; and 2001 and 2002 Acura MDX sport-utility vehicles.

The situation is created by insufficient lubrication of the transmission's secondary shaft second gear that can occur under certain driving conditions. Prolonged operation under these conditions can lead to heat build-up and under certain circumstances may eventually result in chipped or broken gear teeth or breakage of the gear. In the event of a chipped or broken tooth, the owner will likely experience abnormal noise from the transmission and seek repairs. In rare instances, this condition may lead to gear breakage and possible locking of the vehicle's transmission, creating a potential safety hazard.

This more severe condition is extremely rare and affects only vehicles with high mileage. To date, the company's records indicate only ten confirmed instances in the United States and Canada of this type of transmission failure, with no injuries or accidents as a result.

Owners of affected vehicles will be contacted via mail and will be asked to take their vehicle to an authorized Honda or Acura dealer to be repaired free of charge. In most cases, the repair involves a simple gear inspection, which is accomplished without removing or disassembling the transmission, and a modification to increase the flow of transmission fluid to the affected gear. If during the inspection the service technician discovers discoloration of the gear indicating heat damage, Honda will replace the transmission assembly at no cost to the customer. Owners will be notified by mail when parts are available for their model, with notifications going first to the oldest affected units. Customer mailings will begin in May and should be completed by September.

Details regarding mailing dates and affected vehicles will be available on the Honda and Acura Web sites before the end of April. Owners will be able to access this information by registering at the "Owner Link" section of Honda.com: Official Site of American Honda Motor Co., Inc. or Acura.com ? Official Home of Acura Cars and SUVs and entering the 17-digit vehicle identification number found on the driver's side dashboard near the bottom edge of the windshield.

Customers concerned about the condition of their vehicle may also contact their local Honda or Acura dealer, or call Honda customer service at (800) 999-1009 or Acura customer service at (800) 382-2238."
 

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Discussion Starter #6
Maybe just me but does that mean both boxes went funny after the same kinda fluid was put in them?
No, no. I was just commenting that I've always used Acura fluid. The problems had nothing to do with that.

Unfortunatley the recall doesn't apply to my vehicle.

One repair guy who does a lot of Acuras told me that a common problem with this tranny is that Honda used very soft clutch material. It then clogs the internal filter, creating problems for the pump to pump the fluid. The pump gives out, and then bang goes the tranny.
 
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