Question about 1996 Pontiac Grand Am
You are leaking transmission fluid from either the fluid cooling lines that run from transmission to a separate reservoir in the radiator, or leaking from the reservoir itself. Hopefully, it's only the lines and may just need tightening to stop the leak.
There are two lines to the radiator's reservoir. One brings fluid from transmission to the reservoir, and a return line back into the transmission. Probably located on driver's side of the radiator, one will be near top of radiator, and one near the bottom. Small copper or steel lines that may also turn into rubber lines. Clean the area well with rags to locate the leak. Will probably need to have the car running to make it leak, while looking for it. You could also take a wrench and try tightening the fittings at the radiator, and tighten any rubber hose clamps that you see. If it's not the lines or hoses that are leaking, then the radiator may need to be pulled off for repairs or replacement. But 9 times out of ten, it is a leak from one of the lines.
When fixed, don't forget to check your transmission fluid level. Or keep adding till it is fixed.
Posted on Mar 02, 2012
Antifreeze and transmission fluid don't run together any ware, but are both cooled by the transmission. There are coils inside the radiator that the transmission fluid runs through to be cooled. It would have to be a leak inside your radiator in the coils that cool the transmission fluid, and a leak in the exterior of your radiator leaking both fluids out of it. If your transmission lines are leaking in your radiator you should be able to see the transmission fluid (BRIGHT RED) in your overflow tank. Also the puddle under your car should be a red and green mixture kind of going everywhere. If they are to different leaks then you would be looking for a transmission leak and a coolant leak. Also check your oil and make sure that you don't see anything unusual looking about it. If you find that you have transmission fluid in your radiator I would contact whom ever replaced the lines for you, they should have been able to see this was the problem. Good luck hope this helps you narrow it down to the actual problem, if you have more questions reply to this post I will try to assist you further.
Posted on May 25, 2011
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