Question about 1998 Oldsmobile Silhouette

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Transmission turned brown when the over heating started.. Could the tranny been affected by the bad radiator? Do I change the transmission fluid or just leave it? The tranny is shifting hard into drive and into second.

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The transmission fluid is cooled by the radiator and will break down if run hot. This causes damage to the transmission. Changing the oil and filter would be a very good idea.

Posted on Mar 18, 2011

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Can an overheating transmission affect the computer box? iam thinking that maybe the computer could have been affected after the transmission overheated


If you tranny is sending an error signal to computer it can prevent car from starting. Kinda like when you have the auto stick to choose Drive, Reverse, etc in the Reverse position car win't start unless in Drive. Take to a place that can read the code from the computer and it'll likely have an answer to your non-start. Hopefully you won't be spending $2000 for a transmission job!
Why change fuel pump? Was there no pressure on fuel rail? Was it not making its pump sound when key in acces. position? Did you check fuel filter if it indeed is a fuel related issue? Clues are awaiting your inspection such as rusted fuel tank, water in line, etc. by checking. But I'd want to know WHY you chose to replace pump since it has nothing to do with tranny.
IF a transmission related issue and you haven't gotten it to a place to read computer you might want to check if your vehicle has a separate transmission cooler up with radiator (usu. in front of radiator behind grill). See if fluid is flowing thru the cooler. If it is plugged then the transmission can have fluid but its overheated because its in a closed loop essentially and if it hasn't warped your metal trans. parts the overheated trans. fluid might send a stop signal to computer so won't start. Open T-valve and see if trans.fluid is in trans. cooler (again IF your vehicle has one, not all do but things meant to tow usu. do) and if so examine fluid and connections.

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Ihave a 2000 saturn sl tranny fluid is gettin into the water now over heating


if the transmission mixing with the water or anti freeze .that mean your radiator is bad and needs to be replaced

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My transmission fluid turned brown. I beleive from getting hot.The bad radiator I think caused this. Should I change the fluid or leave it alone?


You are right to look at the tranny fluid as worn...as it has turned brown. This happens naturally over time and mileage. Depending on the mileage, sometimes it is not recommended to open the transmission pan to change fluid and filter. If over 100,000 miles, check with your local shop for tranny flush or fluid filter change per warranty consideration. You can add a bottle of Lucas Oil Transmission Stabilizer to your tranny without having to drain any fluids. I have used this often on higher mileage cars with great success. The bottle costs about $11. even at your local Walmart:) Read the instructions carefully as the full bottle contents need to be added with engine running and tranny warm. Hope this helps.

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Car is stoping like I have taken it out of drive. Must turn engine off, then back on, and transmission will go in gear, but will come out of gear a little way down the road..Need to remove transmission...


Yes do that tranny fluid shoud be changed at 30-40 thounsand mile if not the tranny will go bad.and you might have it starting now. if the fluid isnt chery red and you should be able to see through it on your finger if its clean,if dark red or brown red its burnt and has bad smell.

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The only way that tranny fluid could get into the radiator is through the transmission cooler, which is inside the radiator. Maybe the replacement rad is NFG. In any case, the torque converter holds a lot of fluid, so just draining the tranny oil pan isn't enough. The torque converter needs draining as well to get all the bad stuff out. You probably just didn't get all of the old fluid out of it. Good luck with that.

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Greetings Idpeters:
Please check your transmission fluid level. After the engine is warm pull the transmission stick and make sure the level is close to the full line and that the transmission fluid is red and not brown. You may have to change your transmission fluid and screen. If you plan to do it yourself I can advise you on how to change it step by step or you can take it to a transmission shop or dealership for a transmission tune-up. Good Luck

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My 95 chevy corsica keeps overheating randomly and I keep having to put coolant in it , its not leaking from the radiator but from the hose , it happens randomly , what is going on ?


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My 1997 f-150 truck transmission started to give me problems


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did you recently empty the tranni? like fluid or filter change? If not, there is a leak. I've seen the radiator go bad and tranni fluid gets forced into the cooling system. Check cooling system for reddish oily substance. If there is, replace radiator and refill tranni and cooling systems. may be a good idea to do cooling system flush.



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1999 plymouth voyager water in trani fluid


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