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Old 07-26-2000, 06:17 AM   #1
simiele
Scooby Newbie
 
Member#: 1962
Join Date: Jul 2000
Question 91 Legacy Transmission lag - help

My 91 Legacy L FWD hesitates when up shifting and it allows the engine to race between shifts, so that when it does shift, the transmission engages abruptly into the higher gear. With 105,000 miles, does this appear to be a transmission problem or a problem related to the detonation sensor connected to the cpu? If the latter, has anyone tried the aftermarket fixs of modifications to the cpu box sold on the net?
Thanks for your advice.
Tom Simiele
Cleveland, Ohio
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Old 07-26-2000, 07:26 AM   #2
Nigel
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Member#: 1919
Join Date: Jul 2000
Location: Markham, Ontario, Canada
Vehicle:
1994 Legacy Turbo
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Have you checked your transmission fluid lately? Also, I'm curious as to what lead you to believe that it might be related to the detonation sensor? It's not obvious to me as to how it would be related to the transmission. In other words, this sounds like a transmission problem to me.

Nigel
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Old 07-26-2000, 07:43 AM   #3
simiele
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The transmission fluid is full and no unusual oders. I read on the following internet site http://home.earthlink.net/~hobiegary/hesitation.htm that the sensor causes the engine to run erraticaly and thus may cause the transmission to act inappropriatly. I have not heard of transmission failures of Subarus before and this was the only information I could find on the subject. My next step is to go to a local dealer for their opinion, but I wanted to gain some knowledge of possible causes before I got to the dealer. Obviously we don't want to invest too much money in a 91 car with over 100,000 miles on it. In all other respects, it is a good vehicle. Its our second Subaru and we love them.
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Old 07-26-2000, 08:05 AM   #4
richeich
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Member#: 1353
Join Date: Apr 2000
Vehicle:
2001 Impreza 2.5RS
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I've seen in an SVX FAQ section about how to adjust the brake band in the transmission. Apparently if it's too loose, it will cause that type of problem. I don't know how different the Legacy trans may be, but I think all automatics have brake bands, don't they? Somebody may know better than me. I'll find the link and post it here so you can read it.

Rich

Here's the link, but apparently it's down right now. Sorry.
http://home.mgfairfax.rr.com/svx/faq/index.htm

[This message has been edited by richeich (edited July 26, 2000).]
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