Question about 1998 Saturn SL

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New transmission 96 Saturn SL now HIGH RPM

My mechanic put a used transmission in my 96 Saturn SL and now the gear ratios are all wrong. It revs too fast - it runs rpm 3000 at 70 mph in 5th gear, it used to be 2300.

It seems like the mechanic put the wrong transmission in, is that possible? I took it back to him and he adjusted the transmission cable but it didn't change anything (though he claimed it made it shift easier).

The original problem was that it wouldn't shift into first except on a lucky try and the problem was starting to happen with second gear too.

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Is your car sohc or dohc ?
1995 to 1997 years are the same
1998 to 2002 years are the same
find out what year he put in

Posted on May 03, 2017


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Posted on Jan 02, 2017

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SOURCE: 2004 Saturn Ion high RPM while Idling

check for a vacuum leak

Posted on Oct 26, 2008

  • 1 Answer


I have the same problem. on the passenger side under the fender you will have access to the transmission. Remove the cap on the end. You will need to drain the transmission fluid and replace all the gears in the end cap if damaged hopefully they are not and you can just tighten up the nut. What happens is a nut comes loose and backs off the pressure on the bearings and you loose 5th. I removed the entire transmission and opened it up. There is nothing wrong with the other gears, because your problem is with the 5th gear synchronizer assembly. I let mine go too long and I'm having to replace everything. Make sure you put the appropriate torque on the nut and hit it with a hammer to lock it down. This should really be designed with a different method of keeping that nut in place. It's costing me lots of time and now money at the stealership. Good LUCK.

Posted on Mar 10, 2009

  • 295 Answers

SOURCE: 1999 saturn sl1, engine revs to2500-3000 rpm when shifting gears,

I would clean the throlle body first. Then lube the throttle linkage.

Posted on Mar 18, 2009

  • 319 Answers

SOURCE: 1993 Saturn SL2 will not shift into highway gear

Saturn says and I quote

there transmission fluid is not to be changed after the first change at 6000 miles.

Now I say it should be changed at every 30000 miles. If changing out the fluid doesn't work then you need to go to a transmission repair shop.

Posted on Mar 20, 2009

  • 1 Answer

SOURCE: 2001 Saturn SL Manual Transmission stuck in 2nd Gear

I had this same problem with my 1998 SL2 after about 170,000 miles. There is a plastic bushing at the end of the shifter cable that holds the cable to the shifter - it probably broke. Remove the center console inside the car to access the bottom of the shifter. I checked my local Saturn dealer to find the replacement cables (come as a set) are more than $200. So I went to Lowes and bought a beam clamp and a large washer to hold the cable to the shifter. It has been working fine for more than 28,000 miles and cost less than $3

Posted on Sep 22, 2009

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P0731 Gear 1 Incorrect Ratio

P0732 Gear 2 Incorrect Ratio

P0733 Gear 3 Incorrect Ratio

P0734 Gear 4 Incorrect Ratio

P0735 Gear 5 Incorrect Ratio

P0736 Reverse Incorrect Ratio

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P0739 TCM Engine Speed Output Circuit High

P0740 Torque Converter Clutch Solenoid Circuit

P0741 Torque Converter Clutch Solenoid Circuit Performance or Stuck Off

P0742 Torque Converter Clutch Solenoid Circuit Stuck On
P0743 Torque Converter Clutch Solenoid Circuit Electrical
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