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Old 08-15-2013, 11:14 PM   #1
'02SL2
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Question Auto Trans Downshifting while breaking?

So i recently got a '02 sl2 and I notice that whenever I apply the brakes when going 20+ mph it downshifts and jolts a tad. Is this normal for that to happen? Seeing as you guys are saturn guru's and master's, i decided to throw this question out on this forum. Any help would be appreciated.

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Old 08-16-2013, 02:16 AM   #2
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2003 L-Series 3.0L Sedan
Default Re: Auto Trans Downshifting while breaking?

Simple answer - no. Any automatic should not announce downshifts with jerking. Without any more info like maintenance history, parts replaced, and unusual engine running symptoms, its guessing at this point.

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Old 08-16-2013, 04:05 AM   #3
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1998 SL2
Default Re: Auto Trans Downshifting while breaking?

Mine does that occasionally...only when the a/c is on, and only a very slight bump.

It's been doing it since 120k miles and I'm at 187k now. I'm not too concerned about it, myself. I have no slamming otherwise (forward or reverse).

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Old 08-17-2013, 01:05 AM   #4
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1997 SL2
Default Re: Auto Trans Downshifting while breaking?

If you're talking about a situation where it almost feels like the car is fighting you to brake, try cleaning the TB and pay close attention to the IAC solenoid.

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1997 - SL2, barebones, 161k, Auto - Rebuild complete and.. burnt a valve 20k later Arrgh!
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