Question about 1994 Ford Aerostar Extended

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94 Aerostar using transmission fluid

I have to add transmission fluid every 3 days! Does this mean I need a new transmission or could it just be a seal that needs to be replaced? It is a 4wd extended version. Thanks for any advice.

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They have several probable leaks. if you are not seeing any leaks on the ground then it is probubly the vacuum modulator on the passenger side of the transmission. the rubber diaphram inside of the mod ruptures and engine vacuum sucks transmission fluid from the transmission and into the engine. it does not require transmission replacement to repair, however it does tend to swell the vacuum lines and cause leaks in that respect. if the fluid is leaking onto the ground you should have it checked out. either way the sooner the repair is made the more likely the problem will stay minor.

Posted on Feb 17, 2009

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Leaking transmision fluid from drive shaft seal

You want to know if you need a new seal because it is leaking

Why would you ask that?

You ask if the driveshaft, just one day decides to move to the rear

Again --where would it go,it is attached to the rear differental
yoke,it has no where to go

You need to get under the vehicle & look at what your asking

Just plain silly

Yes --you need to replace the seal

The seal leaks,does the transmission even have any
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Dec 13, 2012 | 2003 Chevrolet TrailBlazer

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My car was serviced on Tuesday. The axel seal was replaced. 3 days later my transmission blew. I have heard from other people that fluids needed to be drained in order to do the axel seal work. What...

Generally you will loose some fluid when you replace a seal. Your problem is that you really can't tell how much was lost or if any was added after job completion. A seal can also fail if there was an internal problem that caused fine metal contamination of the fluid.
An experienced rebuilder can often tell what happened by examining the internal metal components such as the planetary gear set. If they are blued from heat, it's a good bet that they ran dry.
One factor that may work against you is that the unit had a leak. Obviously, if the seal was leaking, it's also possible that by the time the seal was replaced, the transmission was already running low for some period of time and regardless of seal replacement would have failed exactly when it did, or perhaps a day or two earlier. There is no way of seeing inside the unit, so whoever replaced the seal would have no way of knowing if the transmission was about to fail..

Feb 21, 2011 | 2006 Pontiac G6

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I just want to know where you add the transmission fluid in a dodge durango? i can't find it

Drive the Durango for 15 to 20 minutes to warm up the transmission fluid. When the fluid is warm, it will drain better and remove more contaminants from the engine. Raise and support the front of the Durango on ramps or jack stands. Place a large drain pan beneath the transmission.

Loosen the transmission pan retaining bolts with a socket wrench. Remove the bolts, but leave one at each of the four corners of the transmission pan. Slowly loosen the remaining bolts a little at a time.Fluid should begin to drain from the seal on the transmission pan. If the pan is stuck, break the seal by gently prying it loose or tapping it with a rubber mallet.

Support the pan with one hand and remove the bolts on one side of the pan. Allow the transmission fluid to drain until it stops. Remove the two last bolts. Remove the pan and drain the rest of the fluid.

Remove the three screws that hold the filter onto the transmission. Note that these screws may be Torx style. Install a new transmission fluid filter.

Clean the transmission pan and the magnet with solvent. Remove the old gasket material from the transmission pan. You may need a scraper to remove it all. Clean the mating surfaces with a lint-free cloth soaked in solvent. Let the pan air dry.

Put the new gasket on the pan and align them. Remove the gasket, apply a few drops of adhesive on the pan and replace the gasket. Realign the gasket before the adhesive dries.

Replace the pan onto the transmission and replace the retaining bolts. Tighten the bolts in a crisscross fashion to 150-inch pounds with a torque wrench. Return the Durango to level ground.

Refill the transmission with new fluid a little at a time, while checking the level often. Continue to add transmission fluid until it passes the "Add" mark on the dipstick, but doesn't pass the "Full" mark.

Start the engine, shift the transmission through all the gears and place the gear selector back in "Park." Recheck the transmission fluid level and add more fluid if needed. Don't overfill the transmission.

Replace the dipstick into the filler tube. Turn off the engine.

Aug 15, 2010 | 1999 Dodge Durango

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Im leaking transmission fluid and i dont think i have coverage to repair it

Generally the trans pan is first to leak on any transmission. If the perimeter of the pan espeacially the mounting bolts are wet with red fluid change the filter and gasket. Add transmission fluid as recommended in the owners manual also
If the leak is between the engine and the trans the front pump seal or pump seals need replacement.
If leaking at the axle shafts the axle seals need replacing

Jul 29, 2010 | 2008 Mitsubishi Lancer GTS CVT Sedan

3 Answers

Intermitten leaking transmission fluid. No slippage and so far no need of additional fuid. Sold it could be the computer part of the tranny

Hello roberta286,

I apologize for the delayed response in this matter as I am a full-time student and work full time as well.

I have recently scrapped a 98 Plymouth Grand Voyager SE. I had the problem of tranny leak, and it began to slip. After nearly a year of the van sitting, I finally had money and time to figure out the problem. First thinking it was the seal and/or torque converter, of which I purchased, I later found it was the transmission itself due to the leak (seal). I dropped the transmission pan to drain the fluid and found hand fulls of metal shavings.

I suggest having this seal replaced, and the transmission replaced. A brand new one, as I have priced them is around 3-5,000 dollars. I reman was about 1400 and a used 800. The only thing about going with reman or used is that you could very well end up with the same problem.

So here is what i suggest. Have the tranny fluid changed, the seal replaced, that pan gasket replace, and have the neutral safety switch checked. Also, take the van to a local parts store and have them run a diagnostics test on it, which will bring up codes for anything that may be wrong with the van (engine, tranny etc). Most parts stores will do this for free and only takes about 5-10 minutes.

Once this is done, start with the cheapest and smallest parts that may need replaced. Considering you are having a leak issue, I strongly suggest having the seal replaced, which will require the tranny fluid, pan gasket and filter replaced as well, since they will have to drain the pan to pull the tranny in order to replace the seal. Have the tranny flushed, and replace the torque converter.

Since the seal and converter were not used in my van, as I scrapped a few days ago; I have them still and would be willing to give them to you at less then half the cost of what I paid for them. I have an add on craigslist for them but have had no takers for them. They were never out of the box, so they are literally "brand new".

To contact me in the event you are interested in this option, please e-mail me at

If not that's fine too. I hope this information is helpful in fixing your van. I must say I miss my van, especially considering I paid $3000 cash for it, and it only had 89,000 miles when I bought, and 112,000 miles when I scrapped it, not to mention brand new parts all over.

Total I was out on this van including purchase price was about 3500 dollars. And when I scrapped out, I only got 374 bucks for it. Anyway, let me know how things go, and if you need any further advice or help with this.

Thank you,


Jan 18, 2010 | 1998 Plymouth Grand Voyager

1 Answer

Changing transmission fluid for 06 Kia Sedona

Transmissions these days need very little maintenance, our fluids are advanced formulas that hold up for an average of 100,000 miles, most vehicle manufactures recommend no maintenance for automatic transaxles these days.As for a transmission flush I don't recommend this because it's an expense that is not needed and possibly could loosen some contaminants setting them loose to possibly clog some of the very small passages in the transaxle requiring full transaxle service,which could include removal,dissassembly,etc of your trans.Now draining and replacing fluid is OK if that makes you feel a peace of mind but normally not needed,if you decide to do that,as far as quantity just note approx. how much fluid is drained and purchase similar amount in quarts and then refill (DO NOT OVERFILL)
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How do you add transmission fluid on 2004 suzuki forenza. It noip stick.

Welcome to the new era in automatic transmissions - sealed systems with "lifetime" transmission fluid. This is progress???

What makes you believe it needs fluid?

There are ways to drain and add fluid on most of these "sealed" transmissions; however, it involves drain and fill plugs underneath the car. This is not a procedure for do-it-yourselfers.

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2000 vw Jetta TDI transmission fluid change

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There are 3 transmissions that could be in your car,the 3 speed auto and 4 speed auto overdrive,and of course the manual 5 speed.The 3 speed is designated the 3T40,the 4 speed auto is the 4T40E trans.To check the fluid level,first,the car has to be warmed up to at least 100 degrees Fahrenheit.The car has to be raised in the air,as there is a steel plug in the trans case that has to be removed to check the fluid level.The plug takes an 11 mm or 7/16" socket or wrench and is located on the passenger side of the trans case,near where the passenger side axle engages into the trans.The procedure is to warm the car up to at least 100 degrees,engage the shifter into each gear selection pausing for about 5 seconds in each gear,then remove the plug.If fluid drips out,it is full.If no fluid drips out,add fluid through the top of the trans after removing the red plastic cap,and make sure to use a long funnel to avoid a mess.Add fluid until it drips out the hole.When done,replace the plug and cap.Just a note,a transmission does not "use" fluid like an engine uses oil.If you have to add fluid,that means there is a leak that needs to be repaired.Good luck

Aug 29, 2008 | 1998 Pontiac Sunfire

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