I have a slow leak of transmission fluid. Uses a quart per two weeks on the average. I tried to locate the leak but the whole transmission is wet underneath? Does anyone know where the common leaks come from? I changed the fluid and screen and put a new gasket on the pan but that did not fix it?

Thanks for any help...
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Volvos4me4ever 1989 245 266K miles still going strong

As suggested check the cooling lines. There is a clamp that holds both metal cooling lines in place in their route to and from the radiator. Over time that line is prone to wearing through where the clamp contacts it.

Wipe it down and clean it off with the clamp removed. Chances are that once the car is running you will find a small hole (that is going to get larger) leaking fluid.

Randy

The tailshaft bushing and seal does not last more that 150-200K typically.
The replacement kit is cheap, the job is moderate for a DIY mechanic (couple hours).

You need to wash everything thoroughly and monitor it to see where the leak is.

To check the tailshaft bushing, grab the tailshaft with your hand and see if there is play in it (up/down). If so, the busghing is worn. A new seal also comes with the kit. to replace, see 700 FAQ, it's the same.

Otherwiuse see if the oil pan at the tranny has loose screws, that happens often, and can cause a big leak... fix it before it's too late.

Greg Mustang
Montreal - Ottawa
Canada

If there is fluid all over the place behind the tranny, I would suspect the tailshaft. ATF will kill your O2 sensor also and it will get on there if it's your tailshaft seal. I should have fixed my ATF leak BEFORE I replaced, and ruined, a generic O2 sensor.
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Andy in St. Paul, '91 745 Regina 190K mi, '89 244 137K, '87 245 RIP

I agree, suspect the tailshaft bushing/seal. Mine did exactly that when it went. ATF everywhere...

Mine didn't leak quite as quickly though. The leak did slowly increase with time, did yours?

Sounds like cooling lines.

Other possible leaks could be a cracked transmission case (worst scenario), or a leak from the output shaft. Most likely its the cooling lines.

Rob K.
Raleigh, NC
'87 245
'87 244 - Parting Out

As Rob said, check the cooling lines that run forward to the radiator, especially where they mount to the frame. The lines often develop holes where they rub on the mount.
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don hodgdon '89 744ti, '81 242t, '71 D-35...in pieces on a repairman's bench :-(