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89 240 Auto Transmission Leak ++?

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89 240 Auto Transmission Leak ++?

Postby Volvo_240_Atari_2600 » 03 Jan 2010, 04:37

Hello,

Eric in Orlando Florida again and I have a transmission leak again.
Two years ago I had the rear transmission seal done by my trusted Volvo specialist.

Today, I have another leak from the front area.
I went and sprayed degreaser on the engine and transmission today to follow the leak.

Engine and transmission were spotless around noon and early evening I noticed the front of the transmission pan was wet as well as some saturation under the bell housing.

Front seal? Or possibly the pan gasket?
I am loosing about a qt every two-tree weeks, maybe a little more.
Transmission has been a little sluggish lately.

Today the temperature at 4:30 PM was 69 degrees farenhieght and I was driving for about 30 minutes so I assume I was at normal operating temperature.

I checked the fluid at that time and assuming I was at normal operating temperature, the dip stick showed (low Minimum) on the 90 degree C/190 degree F side and just a tad in the (low Maximum) at 40 degree C/105 degree F

I added a full qt and I am definitely in the Max area if the operating temperature was 40 degree C/105 degree F and in the low Max area if the operating temperature was 90 degree C/190 degree F

My question is, am I really low? Or did I overfill it?

Not to mention that I accidentally dropped a VERY little bit of motor oil in the funnel.
Yes... Ive been driving for about 23 years and this is the first time I ever grabbed the wrong bottle. I caught my self a few seconds into the accident and yanked the oil and funnel immediately. I then proceeded to add the transmission fluid, I wasn't home so I could not perform a flush there. I would say I probably dropped about a 10% or less of that bottle of 20-50 motor oil in the transmission.

What damage can I have possibly caused? I drove home (12 miles) from that point, praying all he way home.

On the way home, I hit the auto parts store for 20 qts. of transmission fluid so I can do a complete flush of the system tomorrow.

So....
Question one is in regards to the transmission leak.
Question two, what damage may I incur with a few drops of motor oil mixed in with the transmission fluid?

Thanks
Eric
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Re: 89 240 Auto Transmission Leak ++?

Postby billofdurham » 03 Jan 2010, 09:48

Not to mention that I accidentally dropped a VERY little bit of motor oil in the funnel.


:shock: Whoops!! If the transmission fluid was at working temperature it would probably be able to absorb that amount. However, you may be able to resolve two problems in one go.

To do a thorough job of flushing you will be dropping the pan and cleaning the strainer before doing the flush. You will be fitting a new gasket so will be able to rule that out as the source of the leak.

If you are going to do this wrong oil thing again use a lighter engine oil. :wink:

Bill.
Work was good - retirement is better.

1996 850GLT 2.5 20v Estate Manual.
1995 Peugeot Boxer 2.5Tdi Autosleeper.
Previously:
1984 244DL, Manual, Beige.
1987 744GLE, Manual, Green.
1991 960 3.0 24v, Auto, Silver.
1994 940T Wentworth, Auto, Blue.
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Re: 89 240 Auto Transmission Leak ++?

Postby Volvo_240_Atari_2600 » 03 Jan 2010, 23:01

Bill,

I know... that was a careless thing to do and I feel stupid for doing at my ripe old age of 40.

Anyhow... Will do the transmission filter, gasket and complete flush in a little bit.

my question is the cold and hot temperature vs the max/full mark on our dip stick.

at normal operating temperature, the dip stick showed (low Minimum) on the 90 degree C/190 degree F side and just a tad in the (low Maximum) at 40 degree C/105 degree F


This was after I aded a full qt of fluid.
Being that we are in winter, however here in Florida is a more reasonable climate compared to all those north of us, with the temperatura today at 50 degrees Farenheight, where should my fluid max out on the dip stick with a cold engine/transmission vs a hot-normal running temperature of engine and transmission?

Thanks
Eric
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Re: 89 240 Auto Transmission Leak ++?

Postby billofdurham » 04 Jan 2010, 19:22

The fluid temperature of 105F is what could be expected with the engine idling for 10 minutes. However, if the fluid temperature is less than 105F you could reasonably expect the level to be below the Min mark on that side of the dipstick.

With any dipstick there is leeway on the reading so your level should be OK.

Bill.
Work was good - retirement is better.

1996 850GLT 2.5 20v Estate Manual.
1995 Peugeot Boxer 2.5Tdi Autosleeper.
Previously:
1984 244DL, Manual, Beige.
1987 744GLE, Manual, Green.
1991 960 3.0 24v, Auto, Silver.
1994 940T Wentworth, Auto, Blue.
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Re: 89 240 Auto Transmission Leak ++?

Postby Volvo_240_Atari_2600 » 06 Sep 2010, 01:20

Bill,

Hope you are doing well.
I have a question for you or anyone else who may know more about our 240 AT gearboxes.

Eversince this I started this post, with the spring and summer all was well... No leaks and normal shifting immediately after starting the car and driving it. All gears shifted as they were supposed to.

Today and roughly since August 22nd (I left my car to sit for three days) it had extreme trouble shifting from 1st to 2nd and 2nd to 3rd. This would ONLY happen while the car was not in normal operating temperature. It would shift normal after about sitting at idels for about 10 minutes, then it would shift ul and down normally.

This went on for about a week. Last weekend this problem ceased and all was normal... Satrating the car and driving w/o letting it sit, all gears were shifting up and downnormal until today.

We moved to Palm Beach County from Orlando about 175 miles and yesterday I drove down to be with my family and I drove with a loaded car with the last of the move. Lets just say the car was very heavy and the problem was evient again today after sitting in our driveway for 24 hrs. I pulled over and let it run to get it to the right temp and sure enough, it was changing gears normally. I have to drive back to Orlando on Tursday morning and I will do this "weekend" comute for the next three weeks before I start my new job down here. With that said I am afraid to be stranded on the highway and not looking for a transmission shop to force onto me a "rebuild" if it is NOT a rebuild situation.

Three years ago, I had my trusted volvo mechanic in Orlando replace my "kick down cable" as my car did the same thing but I drove maybe only 2 blocks and went back home and called a tow truck immediately. I did not try to let the car warm up before driving it.

Does my problem sound like a bad filter? a kick down cable going bad again? or some kind of adjustment internally? I know that like many here I am not the only one strapped for cash as we just spent $2,000.00 plus on the move alone. a
This has been a trusted car for so long and I want to keep it as it is always relaible and safe but right now I have a long list of things that need repairing and I cannot do them all at once.

However this transmission issue looks to be the first thing I must get done.
I am even willing to pick up a low mileage used transmission from a car sitting in a junk yard, which is a 90 or 91... Cant remember exactly what year.

Is the 89 (my car) interchangeable with that of the later models?

Thanks
Eric
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Re: 89 240 Auto Transmission Leak ++?

Postby Volvofix1 » 13 Sep 2010, 21:40

Eric..its Dick in Jupiter, we have good used trans. for your car if you need one, but if you wish you can call me. Nobody beats my son Richard at Volvo auto transmissions.

Dick K.
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