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Hatchbacks Acura Integra Acura Integra Transmission Problems
32 messages, Last post on Oct 20, 2009 at 8:30 AM
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I have a '90 Integra 1.8L LS hatchback with an automatic transmission that does not want to shift from 2nd to 3rd. At least not until it warms up. Let me regress a bit... I bought this car for my son 2 years ago and everything was fine for about the 1st year. Then, it seemed to take longer to want to shift and it has progressively gotten worse. At first, it was slight, then noticeable, and now it is up to about a 10 minute drive  3000 - 4000 RPMs. Once it makes the shift, all shifting is normal except for a slight slippage going from 2-3 and that quickly goes away and easily controlled with the throttle. I have drained and refilled the tran twice thinking that it helped each time for a short while... but to be honest... it might have just been hopeful wishing as it has never gone away. Can any of you extremely knowledgeable people out there shed any light on what the problem might be and any corrective action I should take? Is this transmission just shot.. if so... any suggestions (other than the tax write-off for donations)? I know engines very well but trans are not my area of expertise... but neither was engine rebuilds/overhaul/swaps... until I just dove into it... more than a few times on more than a few vehicles. :o) I honestly have not had the time to do any checks (like pulling the solenoids and cleaning/checking them) so I would like to find out a logical way to troubleshoot this problem. I have full schematics but I do not know how the shift control is done... I do know there is a 'tran control module' but have no idea as to what should happen when and what for. I have full test equipment (MM, O-scope, etc.) but want to know where to start. Thank you in advance for any insight anybody can give. All comments are welcome and grateful! |
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Replying to: go8b (Nov 02, 2006 6:44 pm) I dont have more time to spend on my computer... thanks... My email add is endoescudo yahoo.com Thanks again... |
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go8b - DONT SWAP your tranny I have the same exact car with the same exact problem - I have been warming the car up with the Ebrake on in Drive so i can drive the car to and from work. It is not an internal problem - there is a shift solenoid that is not working. I need to do some more research, but i think this is an electrical issue - not mechanical |
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Replying to: gacyota (Jan 17, 2007 7:43 am) |
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Replying to: gacyota (Jan 17, 2007 7:43 am)
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Thank you so much for your reply... Im gonna go to my mechanic to check on what you said... Last time my mechanic told me that he'll use an AT Fluid that he uses on his off road cars... I dont know about that, but with what he told me it might have a faster heating process, the good thing was, he was honest to tell me that he wasn't sure... Ill keep you posted.. thank you so much... 
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Replying to: go8b (Feb 11, 2007 3:28 am) Using there ATF did not made any differnce though my mechanic said to change my tranny.... I dont want to.. well not yet until i have everything checked out... My problem has become worse now... My tranny DOES NoT SHIFT now, well that was after a had my engine changed oil and changed my spark plugg.  I really dont know what to do next... Any updates??? id really love to hear it.... thnaks...  
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Replying to: endoescudo (Mar 03, 2007 9:58 pm) Well I ended up doing a tranny swap a few weeks ago from another teg and it works fine minus the cost to do it. But love my ride none to less. I have read on other boards about this problem and wonder about it maybe over 10 other peeps I chatted to and no real answers give some feed back if you find something. 
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Replying to: go8b (Nov 02, 2006 6:44 pm) Same problem occur on my 1990 same model as yours. Cost of new switch in 2005 was $60 Can Part number I have for it is 35700-SK7-A01 Swtich Assembly Hope this helps. The problem will get worse as time goes too the point that you will also be not able remove your key from the igination because the shifter will not indicate when you are in park. 
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Replying to: go8b (Nov 02, 2006 6:44 pm) The age of the vehicle could have resulted in it stretching or corrision inside
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