Question about 1997 Chevrolet Cavalier

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If i bypass the tranny cooler will it harm the

If I bypass the tranny cooler in a 1997 caviler, will it harm the transmission? I was told it was not needed by a questionable source at best.

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Why would you want to bypass the transmission cooler? It is there to help keep the transmission cool. Heat is the enemy of any transmission. It definitely is needed and whoever told you otherwise is not to be relied on.

Posted on Jul 15, 2010


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1 Answer

Where are located cooler line for the transmission 1997 mercury sable

Tranny cooler lines usually are about 1/2" outside diameter steel or reinforced rubber going to a separate chamber in radiator side or bottom. Always one in and one line out separated by about 10 inches apart. You can follow those lines back to the tranny.

May 12, 2014 | 1997 Mercury Sable

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I have a 95 mercury sable 3.8 liter and when I drive for too long in warm weather, it leaks tranny fluid

This is an interesting one. Where is the transmission fluid leaking from? If it is coming out of the transmission where it meets the engine, then you are looking at replacing the front transmission seal, and to do this you will need to pull the transmission. If it is not leaking at this spot, then you are looking at a line leak, and will need to replace the bad line. There are going to be two lines for the transmission, make sure that yoyu inspect each one of them thoroughly/ They are the usual culprit when a transmission starts to leak.

Mar 27, 2011 | 1995 Mercury Sable

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I have a 94 f350 2wd 460 auto how can i tell if i have a e4od, or a 4r100 tranny? and can a 2wd tranny be converted to a4wd tranny? thanks bob.

the E4Od does not have a bypass cooler line on the case. The 4R100 has the bypass cooler it is located on the passenger side if the trans. it goes from the rear cooler line follows the case to the front cooler line, and is attached with 7/8" banjo bolts. the bypass cooler was designed to keep the fluid in the transmission until it reached operating temp it "bypasses the cooler at the radiator until trans fluid needs to b cooled

Mar 18, 2010 | 1994 Ford F350 Crew Cab

1 Answer

My 1997 ford explorer overheated and the transmission slipped

Tranny fluid may have been contaminated with coolant since tranny cooler lines go to radiator or condensor.
I would fix your leak on radiator, then completely drain tranny fluid and filter and replace.

Aug 06, 2009 | 1997 Ford Explorer AWD

1 Answer

I have a 1997 Pontiac Bonneville Se. Lately, the transmission has been really jerky as it shifts. does it most when it gets hot, didnt know if its the whole tranny or torque converter, fluid is still in...

no.. do not replace first find out if the tranny cooler is plugged witch is typacal in your car if it shifts its good for now unplug the cooler then use tranny valve conditoner..this fluid will un stick the internal valves...flush the tranny cooler and add conditioner

Jul 11, 2009 | Pontiac Bonneville Cars & Trucks

1 Answer

I have a 2008 dodge ram 3500 with 112000 miles. and wanting to know if it is safe to chang the fluid in the transmission since it has never been changed and it bing only a year and 7 months old 99% highway...

If your fluid has any metal in it or has a bad brownish discoloration I would not mess with it, that means you are going to need it rebuilt soon anyways, and changing the fluid would speed up that process. If your fluid is still red and smells like transmission fluid then I suggest that you have the fluid changed and make sure that they hot flush the system. Also a big problem with dodge trannies is that at the milage that you have it at now, i would put an external cooler on the thing and bypass the radiator all together. You don't know how many dodges I seen come back because the cooler lines have stopped up after a service. Dodge puts a checkball in the cooler line that you can easily drill out or bypass. FYI.. you should be pumping about 1 gallon tranny fluid a minute.

Jul 06, 2009 | 2008 Dodge Ram 3500

1 Answer

1997 Suburban 4x4 5.7L Transmission whines until it shifts

You rear planetary set is worn from a restricted cooler.

May 06, 2009 | 1997 Chevrolet Suburban

2 Answers

I have a leak of my tranny fluid and I think its from my transmission cooling lines,radiator or the cooler. Should I install an auxilary cooler for the transmission ?

Most cooler manufactures and automobile manufactures information we have read, recommends installing the coolers In-Series with the factory radiator cooler for maxium cooling efficiency.

If you must bypass the radiator because the cooler tube is leaking or for other reasons, be sure to increase the size cooler you install by 1 to 2 sizes.

It is not necessary but will help in the long run. Expecially if you are towing or do alot of driving.

Jan 17, 2009 | Ford Club Cars & Trucks

1 Answer

1990 Honda Accord EX Transmission

possibly due to low trans fluid pressure. the cooler in the radiator may be plugged. to check, disconnect and bypass cooler with rubber line & clamps. drive 2-3 miles. shifting OK now? install auxillary cooler to bypass one in radiator. you can get one at auto-zone $30-$50. may just need fluid & filter change, but more likely it's the cooler. when they get plugged, either one, pressure drops alot.

Jun 25, 2008 | 1990 Honda Accord

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