Question about 2003 Yamaha YZ 250

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How to replace the seal separating the radiator fluid from the transmission fluid. Radior fluid is getting into my transmission fluid and i have the seal and replacement gasket without know how to do it! please help

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I could tell you how but a better option is to get a service manual for your bike. Here is where you can download a free PDF manual >>

www.carlsalter.com/motorcycle-manuals.asp

The site may take 15 to 25 seconds to build the list of manuals. The best part is that with a manual you can do even more of your own repairs. A parts diagram would also help. Go to the site below where you can see a parts diagram for your specific bike. You will select the actual brand, year, model, etc., once you go to the site. Part numbers and prices are also shown. You can order parts from this site. In the event no price is shown on a particular part and/or the notation "Not Available" is in the description, the part is not in stock. www.babbittsonline.com/pages/parts/viewbybrandand/parts.aspx

Could you take a moment and rate my answer? Thanks!

Posted on Sep 26, 2009

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Posted on Jan 02, 2017

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1 Answer

Power steering fluid leaking into engine oil sump, even while stationary


PS fluid cannot possibly leak into the engine oil. They are completely separate systems isolated from one another.

The only fluid that can leak into the engine oil is radiator coolant via a crack in the engine block or engine head or via a damaged head gasket.

On cars with automatic transmissions, there is normally also a separate circuit for cooling the transmission fluid built into the radiator. The oil from the transmission is pumped by the transmission through a second heat exchanger inside the radiator.
This is a separate system but if there is a crack in the radiator where the transmission fluid is cooled it is possible for auto transmission fluid to get into the radiator coolant via a crack in the right area. If auto transmission fluid has got into the coolant an inspection of the coolant will show it.

Sep 24, 2015 | Cars & Trucks

1 Answer

2002 Chevy S-10 Ran out of Transmission fluid. Put fluid back in but only go 15mph. Will Rev up to 6000 RPM when trying to drive. When problem started it did run hot.


I'd bet if you check the fluid level properly as Owner's manual or Repair manual requires (hot), go through gears, measure in drive but Emergency on or helper on the brakes. You will probably find fluid is still low. Screen in the transmission pan may be clogged due to the "abuse". But it may also be burned "toast" as some say. You probably? have a leak? or you haven't checked fluid consistently. Seals may be bad. Temporarily I believe Bars leak stop has a Transmission seal leak stop. Consider mileage, is it time to trade vs new or (very lightly) used transmission?May be best to find very lightly used engine and transmission as a unit. Change out would probably be easiest other than emissions connections and compatibility. How is the rest of the truck's condition? A lightly used comparable may be your best alternative. Do you have transmission fluid lines connecting to the radiator? Is the coolant "oil-ly"? You may have a leak in the radiator internal fluid cooler. If so you need a new radiator or install separate transmission fluid cooler.

Mar 09, 2015 | Ipcw Chevrolet S10 / S-pu 1998 1999 2000...

2 Answers

Transmission fluid sucked into engine and burnt 3 qts a min.


Probably through one of the seals. Sounds like a bad gasket.

Dec 21, 2014 | 2004 Chevrolet TrailBlazer

1 Answer

BAD TRANSMISSUION LEAK


Check the axle shaft seals where the two drive axles enter the transaxle. If leaking there the axle will have to be removed to replace the seal.
Look at the bottom pan of transaxle. If leaking from pan gasket, the pan will have to be removed and transmission drained to replace pan gasket.
There is a transaxle main shaft seal on the front of transaxle, hidden by the bellhousing that mounts to rear of engine.. If the shaft seal is leaking, fluid will be dripping from bottom of bellhousing, and when inspection cover is removed, fluid will be evident inside the bellhousing.
Check also the transmission fluid cooling lines, where the two lines exit the transaxle case, and go to front of car to an external cooler mounted in front of radiator, or going into a separate reservoir in the radiator.

Jan 18, 2013 | 2000 Chrysler Concorde

1 Answer

Why would there be transmisson fluid leaking out of radiator?


Radiators on automatics have a separate reservoir for transm. fluid cooling purposes. Didn't you remove the transm. fluid cooling lines from the radiator-a feed line to the radiator and a return line from radiator to the transmission? They are small steel lines that connect on the end of the radiator.

Dec 17, 2012 | 1993 Chrysler Concorde

1 Answer

Transmission fluid is leaking how do i fix it


Hi Sandra:
Normally if oil or transmission fluid mixes with coolant it will turn milky looking like a milkshake. Your leak must be pretty fresh. from your description that it is coming out of the coolant overflow I am thinking you have a radiator transmission cooler leaking into the cooling system.

You will need a new radiator and possibly all the coolant hoses if they have become soft from the transmission fluid.

In most cases if your getting transmission fluid in the radiator it is cause by a bad transmission cooler that is built into the radiator and the fix is to replace the radiator.

The repair will change in price from where the leak is coming from. If the pan is leaking or the rear seal your looking at $100.00 or less. If the front seal is leaking then around $550.00. The most common leak is the pan gasket. Also if the transmission fluid and filter have not been replaced in the last 30,000 miles and the pan is leaking then I suggest doing this also why the pan is off .

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.

Thank you for using FixYa, have a nice day.

Feb 27, 2012 | Cars & Trucks

2 Answers

97 ford windstar leaking transmission fluid


Possible leaks are 1. Transmission belly Pan gasket 2. Front pump/torque converter seal. 3. Transmission fluid cooler lines 4. Axle seals at right and left half shafts.

Feb 13, 2012 | 1997 Ford Windstar

3 Answers

Put a new radiator on 3 days ago...transmission fluid is in the anti-freeze..


It sounds like you got a bad radiator! Or your transmission got hot enough before you replaced the radiator to rupture the cooling jacket.

A Jimmy runs pretty hot, so I always recommend the separate transmission cooler to help with the engine and transmission cooling problems of the Jimmy.

Aug 14, 2011 | 2000 GMC Jimmy

1 Answer

When i crank up my explorer it is pouring transmission fluid stop at a red light an it leaked out a quart of fluid


You won't go far this way. Its cheaper to tow it than replace a transmission. There are a few fluid lines to check at the transmission. Several servos and the speedometer sender are in the case.
They have gaskets and the plastic may crack. The Transmission pan can leak. The fill tube can separate from the transmission.

If the leak is coming from the inspection cover next to the engine, it can be a front seal, and if the leak is coming from where the drive-shaft slides into the transmission housing, that's a tail-shaft seal.

The fluid lines run to the front of the SUV to the Radiator where there are cooling lines going into the bottom of the Radiator. It can leak from a Radiator tank hole because there are 2 separate tanks in the Radiator. Then all you do is replace the Radiator. On some models there may be a separate Air cooled Auxiliary radiator, not to be confused with a power steering cooler.

The fluid lines will rust and need replacing. If you are trying to make a line, there are different flares for the tubing ends. Bring in your bad part to match it up.

I hope my solution is helpful to you. You need to be under the SUV to see anything. Even a quick change lube bay would make it possible to find a leak.

Feb 01, 2011 | 1992 Ford Explorer

3 Answers

My trans fluid is mixing with my radiator fluid, what can i do.


I hate to contradict the prior poster, but I would not see how a blown head gasket could get transmission fluid into the radiator. Motor oil, yes, but transmission fluid, no.

the transmission fluid in your tranny runs out of the transmission and up into the radiator to cool it off.

So if there is transmission fluid in the radiator, I'd look for a leak in the radiator. If it is mixing the two fluids then the leak is probalby internal.

Remember that if the radiator is now 'mixing' water and transmission fluid, there is a possibility that the fluid/water mixture may be going back into the transmission as well

May 16, 2009 | 1994 Buick Park Avenue

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