Question about 1996 Pontiac Grand Prix

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My radiator there is dark colored fluid in my radiator recovery tank and also a film on the top of the tank on the inside a brownish color.. But yet all signs are clear with the oil what could this be?

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I'd venture to say that it's that wonderful GM factory coolant. If left in over xamount of miles, it will eat your seals and **** up your engine. I had to replace the intake gaskets for this reason. Drain it quickly, flush it till it's clean and don't put that GM anti-freeze back in!

Posted on Jul 28, 2008

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I have a 2005 ford territory and there seems to be oil in the water.I run it for about 1 min and a oily dark pinkish substance oozes out from the cap in the water resiviour?


That is transmission fluid . Transmission cooler line's go into radiator .Oil in water would have a white or brownish color .

Feb 22, 2017 | Ford Cars & Trucks

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Will not go into reverse.


Hi, have you checked the fluid level on this ? If the fluid smells burnt and is brownish in color most likely the first and reverse clutch has burned out, or the rear reverse band may need adjusted.

If your fluid is a mid to dark brownish color it may need rebuilt and if it smells burnt also.

The reverse and first gear shift work off the same clutch pack inside the transmission and off the reverse band as well. Also if by chance the reverse band spring is broken or the piston push rod has broken will cause loss of reverse too. The forward gears will still work but may get sluggish and take time to engage over time.

Dec 09, 2013 | 1998 Dodge Ram 1500 4WD

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Dennis please help me . RE; 1996 MERCURY SABLE


Check the color of your automatic transmission fluid - it should be a bright pink or light red. if it looks dark red or a brownish color, you need to have your system flushed and replace with new fluid. Have your mechanic check your modulator valve.

Mar 30, 2012 | Cars & Trucks

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I have oil in my radiator. Is this caused by blown head gaskets/cracked block and can this be repaired?


If your car is an automatic, it's most likely transmission fluid. There is a cooler inside your rad for trans cooling and it will rot out over time. If the oil in your rad is a brownish color as opposed to black, it's ****** fluid.

Head gaskets are replacable for sure. You shouldn't have to worry about a cracked block unless the engine has suffered from extreme heat or freezing. Hope this helps.

Sep 25, 2011 | 1995 Plymouth Neon

1 Answer

2004 Toyota 4 runner: I tried to drain my oil, but I think I drained my transmission fluid. I drained approx 3 quarts of a reddish dark pink color fluid behind the transmission case with the transmission...


If it was a red colored fluid it was transmission fluid. You need to check that on level ground with the motor running to be sure you get the level correct. Normally you have to pull all of the Pan bolts to drain this but every so often Toyota puts a drain plug on the transmission. Make sure you haven't over filled that.
The engine drain is at the rear of the motor on the bottom. On a side ways mounted engine that is the side toward the firewall and will be a black or brownish color.

Jul 06, 2011 | 2004 Toyota 4Runner

3 Answers

Radiator flushing , brownish coolant in reservoir


That brownish color is caused by oxidation(rust) of the waterways in the engine block. Dont worry, your engine wont rust through. This is normal on any car. Just flush it out until the water runs clear. Refill with water and use a good antifreeze as well as it contains rust inhibitors.

Aug 03, 2010 | 1990 Dodge Dynasty

1 Answer

Cant get top gear when engine warmed up 280se 126 1984


ok.. so find the transmission dipstick and pull it out with the engine running, if the fluid is red...very red like blood red then you probably need a transmission flush make sure the flush includes the transmission fliter changed. if its dark or brownish color...sadly you will probably need a transmission..if it's low on fluid ,add trans fluid ... a junk yard unit should be no more than 500 dollars

Feb 27, 2010 | 1984 Mercedes-Benz S-Class

2 Answers

Coolant has oil in it. The fluid in the radiator is a brown color . What to do????


get it flushed out and replaced with new coolant but it looks like early signs of a head gasket starting to go .after flushing keep an eye on color if its the same brown color two weeks later you have a bad head gasket.

Feb 10, 2010 | 1995 Buick LeSabre

1 Answer

Radiator reservoir overflows


3.0? you most likely overheated the engine, warping the heads.
Having the head gaskets replaced may fix this.
Get it looked over.

Jul 08, 2009 | 1997 Ford Taurus

1 Answer

Fluid leak, gears won't shift/engage and car begins stalling


Some of these have a small dipstick on the top of the transmission it to check and fill. Do not over fill this it shouldn't take to much to fill. You can try that and see what happens. Transmission fluid should be pink or redish in color if its dark or has a burnt smell then you have a problem. See if this information was help full.

May 07, 2009 | 1994 Toyota Camry

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