2-3 Shift - Page 2 - Saturn Forum - Saturn Enthusiasts Forums


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Old 06-06-2017, 08:49 PM
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Default SL2 2-3 shift

Update - just to be sure, I checked all the ignition components, including the resistance of the spark plug wires, coil secondary windings and primary windings. My Chiltons is a little vague on these topics. It says 700-900 ohms on the primary windings but does not tell you how to test it. I checked the coils with them installed and removed from the module. All tests were within the same range on both coils and both sides of the module.

I am pretty sure it is not an ignition 'miss' I am feeling. The engine starts immediately, idles fine and doesn't miss or cut out at cruising speed. On flat ground or going downhill the 2-3 shift even works okay, it only acts up when you put it under load as I have mentioned.

I have read several reviews from customers who have bought reman valve bodies and they have said it cured their issues which are the same or very similar to mine, so I think I will take the plunge and purchase one.
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Old 06-07-2017, 12:45 AM
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Quote:
Originally Posted by itsdiz View Post
Update - just to be sure, I checked all the ignition components, including the resistance of the spark plug wires, coil secondary windings and primary windings. My Chiltons is a little vague on these topics. It says 700-900 ohms on the primary windings but does not tell you how to test it. I checked the coils with them installed and removed from the module. All tests were within the same range on both coils and both sides of the module.

I am pretty sure it is not an ignition 'miss' I am feeling. The engine starts immediately, idles fine and doesn't miss or cut out at cruising speed. On flat ground or going downhill the 2-3 shift even works okay, it only acts up when you put it under load as I have mentioned.

I have read several reviews from customers who have bought reman valve bodies and they have said it cured their issues which are the same or very similar to mine, so I think I will take the plunge and purchase one.
Seems like the logical next step. Be sure to get it from a reputable source that has been vetted by other s car owners and has some type of warranty or return policy.
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Old 06-17-2017, 11:27 PM
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Default SL2 2-3 shift

Installed a reman valve body today. I purchased one that had the SONNAX update with steel sleeve installed in the press reg valve bore. It has a lifetime warranty. I followed the re-learn instructions which involve a series of upshifts and downshifts. I am still not happy with the way it shifts. I think I read here somewhere that I may need to drive it about 100 miles to give the computer time to relearn? There is no one in my town who can re-program it. I drove about 25 or 30 miles today in a variety of speed zones from 35 - 55; then out on the freeway for about 6 miles at 75 mph.

It seems somewhat better, but still seems to "bump in" ; it seems I can feel it in all gears now to a varying degree. Could in be the input from the vehicle speed sensor? Or do I just need to drive it some more?
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Old 06-18-2017, 12:49 AM
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If the issue w the 2-3 shift no longer stands out among all the other shifts, I would likely say it probably needs some more miles for it to learn/adapt. Be sure to choose situations that involve everything from slow moving city traffic (many repetitive low gear shifting, as well as some spirited even-throttled on ramps to the highway (winding it up till it changes gears on its own---but with steady 3/4 throttle so that rate at which it hits the shift points is dictated by the vehicle, not by you.
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Old 06-18-2017, 06:14 PM
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Default SL2 2-3 shift

I am going to try driving it as you suggested before I spend any more money on parts. I read some other threads posted here on the forum that said simply driving the car after repairs were made corrected the shifting issues.

I will let you know the result. Thanks for all your input.
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