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How do you correct 1991 - 2002 Saturn S-Series Automatic Transmissions Reverse Slam?

Delay in transmission engaging reverse after shifter is place in R - Thank you

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: saturn shifter linkage

The bushings on ebay work from what I understand, but a bit pricey. The bushing in question is a P.O.S. for sure. Easy fix though if you have tools and time. First I drilled out the ball that the end of the linkage,the one your faithfull broken bushing use to ride on. popped a 3/8 inch bolt thru the drilled hole, put a piece of 3/8 inch heater hose "cut to length desired" over the bolt ( this is what the linkage ring rides on ) put a rubber gromet or rubber washer that has a hole big enough to fit over the heater hose on each side of the linkage ring ( oh and dont forget the lube - regular grease will eat rubber so use good judgement). put a washer big enough to keep your gromet or rubber washer from falling off, and then a lock nut, and I cannot stress the fact that it has to be a lock nut. DO NOT tighten the living **** out of everything, that little linkage ring is plastic after all just tighten it "lightly snugish" and just make sure your lock nut can't be un-tightened by hand. I hope all of this makes sense, anyway total repair cost- one hour of my time, about $4 of parts at the local auto parts store. best of all, it should outlast the car. Oh fyi, I used rubber parts because that is less likely to break the plastic linkage ring. Showed what I did to a mechanic in town, said now he actually knows what to do next time one of those f-ing saturns comes in with busted linkage. Good luck fellow "manual" saturn owners!

Posted on Jan 27, 2009

  • 1 Answer

SOURCE: 1994 Saturn SC1 reverse slam on occasion

i had a 1994 saturn sl2 that did the same thing what you need to do is change the transmission filter and fluid and you should not have this problem any more if you can afford it go get the transmission flushed.

Posted on Mar 01, 2009

emissionwiz
  • 74945 Answers

SOURCE: Reverse gear on 1988 Chevy C1500 automatic transmission

sounds like the reverse clutch is shot, pull the pan and look for allot of grey material in the pan, some is normal but a big pile is trouble, if it is not to bad change the fluid and filter and use the new DEXRON 6 fluid, it is compatable with all GM automatics, keep your fingers crossed and it should give you a little while longer before u need an overhaul..

Posted on Mar 08, 2009

  • 2 Answers

SOURCE: automatic transmission wont catch into any gear

You sould have been moore frequent on your transmission fluid changes, and you shouldn't have taken it to Jiffy Lube either. Your best bet is to drain and fill the trans fluid run it shift gears. Drain and fill again. Do this 3 times. Yeah the transmission fluid is expensive. on the last drain and fill you want to get a bottle of LUBE GUARD from NAPA or who ever sells it. put the whole 10oz bottle in. Shift Rev, 1, 2, 3, D. Neutral Rev D. If that don't work then you have bad seals.

Posted on May 27, 2009

  • 1 Answer

SOURCE: The shifter/transmission on my manual 5 spd 1999 Saturn SL1

This just happen to me a few weeks ago. If you take out the center piece in the car you should be able to see that the actual shifter is no longer connected to the rod which goes into the transmission. It is an easy problem to fix, however it is not cheap. I was told that you have to buy a complete new kit($250.00) for the shifter, however my dad gave me a different solution. He took some wire, and made a spider web type thing to keep it connected. On my car it was a small round plastic piece that broke, but I cannot remember what it was actually called. This little piece is not available through Saturn by itself, only through a complete kit. Please ask questions if this is not clear enough. Thanks :)

Posted on Sep 28, 2009

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On most manual transmissions it is installed in the transmission housing. Some automatic transmissions are this way as well, but some manufacturers have them integrated into the shifter housing.

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Should i have to do a transmission flush on my 2000 4 door saturn?


Yes I would recommend a flush on any Saturn S series car with an automatic transmission, the main reason for that is if the fluid is kept in the transmission to long the dirty fluid wears out the pressure regulator bore inside the valve body on these transmissions(TAAT) causing problems with shifting into reverse when hot, requiring the valve body to get replaced in the transmission, so if your transmission is shifting normal I would get the fluid changed and a new filter installed to ensure the transmission maintains proper shift quality.

Dec 06, 2010 | 2000 Saturn SL

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Transmission question


hi i will try help, well yes it will have adverse results on his gear box if he is putting it in drive and then reverse before the vehicle stops going forward, ile explain, when you engage the gear and drive forward, the centrifugal force is sent to the torque converter This engages reverse gear within the transmission, giving the ability for the vehicle to drive backwards. In order for the driver to select reverse, they must come to a complete stop push the shift lock button in (or pull the shift lever forward in the case of a column shifter) and select reverse. Not coming to a complete stop can cause severe damage to the transmission. Many modern automatic transmissions have a safety mechanism in place, which does to some extent prevent (but does not completely avoid) inadvertently putting the car in reverse when the vehicle is moving forwards. This mechanism usually consists of a solenoid-controlled physical barrier on either side of the Reverse position, which is electronically engaged by a switch on the . Therefore, the brake pedal needs to be depressed in order to allow the selection of reverse. Some electronic transmissions prevent or delay engagement of reverse gear altogether while the car is moving. Some shifters with a shift button allow the driver to freely move the shifter from R to N or D, or simply moving the shifter to N or D without actually depressing the button. However, the driver cannot put back the shifter to R without depressing the shift button to prevent accidental shifting, especially at high speeds, which could damage the transmission.so hope that answers your question and end the feud lol, please vote thanks

Mar 03, 2010 | 2002 Volkswagen Jetta TDI

1 Answer

The reverse does not work when engine warms up code problem po 732


If reverse does not engage or only moves when flooring the gas then you have a typical valve body problem. In fact it may be a two part fix which is usually the case but not always.

The valve body is the "brain" of the transmission and has valves and bores inside of it along with 5 solenoids. There is one valve called the booster valve that will wear down due to poor manufacturing and debris and gunk build up from lack of transmission fluid changes (suppose to be done every 30,000 miles but more strongly suggested every 20,000 along with the transmission spin on filter).

Once the problem gets bad enough but before reverse is lost completely it will delay going into reverse, meaning when the shifter is moved to reverse it takes several seconds for it to engage. Then once it does it will slam/clunk/bang into gear. The banging into gear causes what is known as the input shaft nut to loosen and untorque. Once it untorques enough it won't allow reverse to engage. However, it will cause problems in 2nd gear as well.

Since you only have issues when warm it sounds like a valve body issue. It is time to replace it. A shop will tell you the transmission is shot and the entire thing needs to be replaced. IT DOES NOT! The dealer will charge you $1,000 to replace the valve body...again TOO EXPENSIVE. I sell rebuilt valve bodies for a fraction of the cost and it can be done in 45 minutes by someone who has never seen a valve body before. The Saturn transmission (and car as a whole) is easy to work on and does not require any special tools or knowledge. I send my customers instructions with pictures and my e-mail for any questions.

You can search this online and on saturnfans.com to verify. My name is Special Forces on Saturnfans, look up my threads about this common problem. Good luck!

Jan 28, 2010 | 2000 Saturn SL

3 Answers

My 2001 Saturn SL1 no longer goes in reverse, it only revs but does not catch. It is also starting to slip between first and second gear. About how much will a new transmission cost?


Sounds like this is an automatic s-series. Sounds like you previously had a reverse slam in the car. Meaning when you put it in reverse it would delay then slam. As this gets worse it begins to untorque what is known as the input shaft nut. Eventually this nut will get so loose that you lose reverse completely.

The transmission itself is fine and does not need replacement. $1,600-$2,200 is probably not even what the car is worth. The valve body needs to be changed out with a rebuilt one and the input shaft nut needs to be replaced and torqued down properly. Both of these are easily done by any backyard mechanic. Roughly 3 hours will have your transmission shifting like new.

I rebuild Saturn valve bodies (check my ad for more information) and provide instructions on how to do the repair. It costs much less than what any shop will tell you and they'll tell you the transmission is toast...IT IS NOT!

Any questions, just let me know.

Jan 05, 2010 | 2001 Saturn SL

2 Answers

Car goes into reverce but does not engage completely works fine in forward, when in reverce it seems lik it wants to ingage but does not. it makes a chattering sound and feeling. what electric part puts...


Hello. As you know, the transmission is one of the more sophisticated components in any auto. It takes the most transmission pressure to engage reverse, third, and fourth gear in an auto tranny. In an auto tranny, the shifter is connected to a linkage that manually shifts between the different gears in the transmission. When you shift into reverse, all transmission pressure is concentrated to engage reverse. When you shift to drive the transmission will operate normally, building pressure until it can shift into the next gear. With third, second, or first gear selected it will lock out all higher gears (Unless the TCU detects overrevving of the engine, in which case it will override gear selection and upshift to avoid engine damage). All the TCU does in a modern auto tranny is control shift points. Years and years ago, shifting was controlled by a spring attached to the gas pedal. When the gas pedal was depressed, the spring would expand. As tranny pressure grew, the spring would become compressed until it was fully compressed, engaging the next gear. The harder you stepped on the gas, the longer you went until the tranny shifted. In modern transmissions the TCU dictates shift points, and not much else. The TCU will also control when the torque converter will lock, but that's where it's duties end. The problem with engaging reverse is either a linkage issue, or a problem with the pump not building enough pressure to fully engage reverse.

Try putting the shifter in reverse, holding the brakes firmly, and giving the car gas. If the car reaches a higher RPM and suddenly slams into reverse it is the pump. The pump will only build enough pressure to engage reverse with higher RPM's. If the pump is severly damaged it won't engage at all, but if this is the case it probably won't engage third or fourth gear either at that point. If the problem is with the linkage, reverse just won't engage whatsoever, despite RPM's. I'd say start with the shift linkage. If it's bent or misadjusted it could cause reverse to not be fully engaged. The TCU doesn't control reverse at all, since there are no shift points and no need for the torque converter to lock.

Nov 20, 2009 | 2007 Saturn Aura XR Sedan

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Automatic transmission shifter does not need brake to engage


your not supossed to be able to go from drive to reverse w/o pressing the button their mest be something wrong with your shifter consoule called saftey neutral switch

Jun 18, 2009 | 2006 GMC W3500

1 Answer

When shifting automatic trans in reverse theres a hesitation


I think what you were saying is your reverse slams, and only when you give it gas.
You can try to do the reverse slam fix, which is easy to do:
Reverse slam fix

If it doesn't work, your valve body is probably bad, here is how to swap it, in case you are up for the challenge:
Swapping a valve body on a saturn TAAT trans.

Alex

Jan 24, 2009 | 2001 Saturn SL

1 Answer

1992 saturn sl2 transmission problems


You can try to do the reverse slam fix, which is easy to do:
Reverse slam fix

If it doesn't work, your valve body is probably bad, here is how to swap it, in case you are up for the challenge:
Swapping a valve body on a saturn TAAT trans.

An other possibility is your mainshaft nut could be loose, I don't have an article up for it yet, but it's comming.
An other possibility is that you have a bad VSS (or Vehicle Speed Sensor).
In any case, your transmission is probably OK, the valve body is accessible from the top of your transmission, right under the battery tray.

Alex

Jan 12, 2009 | 1999 Saturn SL

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