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Old 01-09-2006, 02:51 PM
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Need advise. 01 Saturn SC1 tranny

My cousin has a 2001 Saturn SC1 manual 5speed. I will not have a chance to look at the car until tomarrow but I thought I would post here and get some advise. I tried searching google but found nothing of importance.

She on occasion gets a high idle after driving the car for a bit [2k in neutral] and does not know why [me either I know nothing of saturns]. Well she discovered that pushing the stick into gear will lower the idle [dumb of her]. Well she was pushing it in and it went into third gear and killed the car [not pushing the clutch in]. Now everytime she drives it grinds 3rd gear. Its not a hard grind just enough to hear it when she puts into third. She says it does not kick it out either. Any advise as what could cause this? I seriously doubt its the synchros because I have done this on many cars and it did not harm them at all [hoping its not the synchros]. I was thinking maybe the shift cables might have broke from the force? Would that cause it? What should I look for? Anything I can try and fix it?

I really dont want to end up replacing the tranny for her

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Old 01-09-2006, 03:19 PM
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Saturn Problems

The fact that the grinding started when the vehicle was accidently put in gear while standing and the vehicle clashes every time it goes into third could mean a syncro problem. Although rare it is possible to crack a stop ring (brass syncro ring) with just one mistake. To check shifter operation see if 3rd gear clashes upshifting and downshifting. If it does it is not the shifter. Check clutch operation to make sure the clutch disengages completely. This trans is small and light duty.
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Old 01-09-2006, 03:28 PM
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I was told it does it when downshifting too

Think I can adjust the clutch enough to remove the grinding[very minimal]? I did that on my 92 eagle talon before. It grinded going into second gear and I adjusted the clutch until it no longer grinded.
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Old 01-10-2006, 08:32 AM
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Try adjusting the clutch, but if it's a damaged synchro just get used to it. It could also be a chipped tooth on the gear, something else to just get used to. A little grinding won't hurt it. If it's getting worse then be concerned, but if it pretty much stays the same it should be fine. The only way to overcome the grinding if it's a synchro or gear is to double clutch. That doesn't mean just push the clutch in twice! Double clutching is push the clutch, put trans in neutral, let out clutch all the way, THEN push clutch back in, put in gear, let it out. What this does is let all the trans internals reach the same speed (when it's put in neutral and clutch is let out) before shifting into gear. Common on really old unsynchronized transmissions -- especially large truck trannys up to the mid sixties. Many trucker double clutch when down shifting even now.
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Old 01-10-2006, 08:55 AM
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Thanks for the advise fellows.
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Old 01-10-2006, 05:01 PM
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definitely

It is almost definitely a synchro problem. As said, it only takes one mistake if the mistake is bad enough. That is alot of force being put on the synchro to kill the motor, and that fact she was doing it for awhile doesn't bode well.

Even heavier duty transmissions can be hurt. My brother used to own an '88 F-250 with a T-19 tranny, and after jamming it into 2nd real hard without the clutch one day, WITHOUT syncing the rpm's, AND while having 2500 lbs in the bed, it shifted rather hard into 2nd from then on.

If you can upshift and downshift while double clutching, and if it isn't getting worse, just drive it. If it is getting worse get ready for a tranny change.

Double clutching is the "by the book" way to shift heavy truck-type trannies. It is easiest on the truck and tranny. If you shift with the clutch, you have to double clutch, it can't be shifted conventionally like a car. The best way to shift trucks is to use NO clutch and sync the tranny and engine manually. It takes awhile to getting use to driving without the clutch but once you get used to it, it is 2nd nature.

Cheers,
Andy
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