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Anonymous Posted on Sep 28, 2010

I have a 94 firebird, and it started foaming out of the dipstick the other night. The fluid level was fine two days before. do you think the filter neck is cracked ?

  • 2 more comments 
  • Anonymous Sep 28, 2010

    there is no water in the fluid. its just bubbles

  • Anonymous Sep 28, 2010

    i have a 94 firebird, and the trsmission fluid is bubbling out of the dipstick tube slightly after a long drive. 6 months ago, i swapped the transmission, changing the fluid and filter in the process. it is red bubbles, and there is no water in the fluid

  • Anonymous Sep 28, 2010

    i have a 94 firebird with an automatic transmission. The fluid is bubbling out the dipstick tube, but it is red in color, and there is no evidence of water or coolant in it. do you think it could be a cracked filter neck?

  • Anonymous Sep 28, 2010

    thank you so much. you are the third one i have asked, and the other two were complete idiots.

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3 Answers

Anonymous

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  • Master 2,926 Answers
  • Posted on Sep 28, 2010
Anonymous
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I'm assuming the transmission is operating correctly at this point, and the only issue is the foaming of fluid. Foaming can be caused by several things: Overfilling...which from what I have read is NOT the case. Overheating...which seems to be what your experiencing. It could very well be the transmission cooler is clogged and keeps the fluid from circulating thru the radiator,then back to the trans with cooled fluid. Internal damage...causing the fluid to heat up and foam out of the tube. And lastly, yes, the tube could also be damaged causing fluid to escape.

  • Anonymous Sep 28, 2010

    I apologize for the previous responses. Thanks for using Fixya.

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Lee A.

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  • Master 4,472 Answers
  • Posted on Sep 28, 2010
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It sounds like you may have a problem with coolant leaking into your oil. I would check if this is the case, if so you have a bad head gasket.
Thanks,
Lee

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  • Master 3,917 Answers
  • Posted on Sep 28, 2010
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Hi,


Any white foam on the cap indicates water in the oil. Mild white foaming may just be that the car is not warming up properly or its just cold and damp weather and the oil cap is not giving a good seal - can be caused by too many short journeys. Foaming around the dipstick is likely to be more indicative of internal leaking around the head gasket or maybe water in the engine bay from jet washing as a temporary thing. Keep an eye on it an wipe clean to see if it clears up and take the car for a drive in excess of 6 miles or more to warm up properly. Extra indicators like overheating whilst stationary and a rancid smell accompany head gasket failure. Also worth checking the expansion tank as if water is moving into the oil, oil will also move into the water and create a rainbow on the water which is definitely head gasket problems. Poor performance of the vehicle and stalling is also a result of head gasket failure but depends how and where it is leaking.


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Why would my 96 gmc jimmy shoot transmission fluid out where dipstick is when it's cold... Smokes alot

you have way too much fluid in trans !!!!!!!!!!!! remove trans pan, drain out fluid, replace gasket and filter, put in (4 quarts) fluid. MAYBE ! DONOT OVERFILL !!!!!!!!!!!!!!!!!!! DONOT DRIVE UNTIL YOU DO THIS !!! NOW, START ENGINE, LET IT WARM UP, CHECK FLUID LEVEL, IF ITS TOUCHING THE DIPSTICK TAKE VAN FOR A SHORT RIDE, AROUND THE NEIGHBORHOOD, (5-10) MINUTES, THEN , WHILE ON THE LEVEL, RECHECK FLUID LEVEL, 3 TIMES, WIPING OFF THE STICK EACH TIME, YOU WANT TO SEE THE FLUID LEVEL IN THE MIDDLE OF THE "HOT" CROSSHATCHED AREA OF DIPSTICK ! IF THATS WHERE IT IS, CONGRADULATE YOURSELF, YOU ACTUALLY DID IT RIGHT !!! LEAVE IT ALONE, GO ON YOUR WAY. NOW, IF YOU NEED TO ADD FLUID, USE YOUR FUNNEL, ADD ONLY A SHOT GLASS @ A TIME ! DO YOU HEAR ME ????? A SHOT GLASS @ A TIME, NO MORE, NO LESS. EVERYTIME YOU PULL DIP STICK OUT, WIPE IT OFF, WIPE IT OFF, WIPE IT OFF !!! MAKE SURE YOU RESEAT STICK ALL THE WAY IN ! REMEMBER, THE ENGINE MUST BE @ NORMAL RUNNING TEMPERATURE, WITH GEAR SHIFT IN PARK, ENGINE RUNNING !





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Hope this helps; also keep in mind that your feedback is important and I`ll appreciate your time and consideration if you leave some testimonial comment about this answer.

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The manual says there is no dipstick. The transmission is a sealed unit, filled for life. It's really a bad design to not have a dipstick, because transmissions will weep a little fluid at times and it's a good idea to check the level once in a while. The Manual says that if it leaks fluid you have to repair or replace the transmission. Not a valid repair when the car has 160,000 miles and it's a pint low. There's a plug on the passenger side at the bottom of the transmission to check the level (with the engine running, so it needs to be on a lift) and there's a yellow filler plug hidden under the air cleaner on top of the transmission.

If you put in 5 quarts, it is either too much or too little. Both cases will cause the fluid to foam, causing jerky shifting. Mine was too low at 185,000 miles and it was banging shifts when hot.

By the way, that transmission needs about 9.8 quarts after a pan drop and filter change, so your 5 quarts is way too little.
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1687565.jpg
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