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> What's causing this mess?, 1973 2.0 with 90,000 miles.
DdHavtech
post Aug 29 2023, 09:05 AM
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I think I know the answer - but seems a bit excessive.

The shifter cover was just removed and cleaned. Doesn't seem like the shift seal is the problem.

Thanks

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GregAmy
post Aug 29 2023, 09:14 AM
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Is it transaxle or engine oil?

Is it only the right side? Looks like axle shaft seal.

If both, and transaxle oil, input shaft seal. If engine oil...crankshaft seal.
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Root_Werks
post Aug 29 2023, 09:16 AM
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You can smell gear oil vs engine oil. See if you can give it the sniff test.

Flying oil while driving can be tough to track down. The engine looks pretty much dry, rear main seal or farther back.
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brant
post Aug 29 2023, 09:54 AM
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could be a main seal in the engine... could be the front (main) seal in the transmission
both require dropping at least the trans to replace.
you'll know if your clutch disc is wet when you get it apart

but I've had oil fly everywhere on the road
so best to clean it well... short drives and see where it is coming from as it starts to drip... before it covers everything
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emerygt350
post Aug 29 2023, 10:01 AM
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Looks like the gasket in the cv might be gone. Could be cv grease.
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rhodyguy
post Aug 29 2023, 10:09 AM
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RMS. No way a cv contains that much lube. What ever it is, it’s been leaking a long time. The mess is pretty far forward on the trans.
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JeffBowlsby
post Aug 29 2023, 10:18 AM
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Take it to a coin op car wash and then immiedately begin to look for the fresh oil source.
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technicalninja
post Aug 29 2023, 10:47 AM
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QUOTE(JeffBowlsby @ Aug 29 2023, 11:18 AM) *

Take it to a coin op car wash and then immiedately begin to look for the fresh oil source.

(IMG:style_emoticons/default/agree.gif)

I also use Tracerline UV dies.

A simple UV flashlight (Walmart $10) will work just fine.

Better yet, the Tracerline TP1300 is the BRIGHTEST UV light source I've ever seen.

Look directly at it and it will give you flash blindness.

You HAVE to use the yellow glasses with it.

It's bad-assed and what I use almost exclusively finding AC refrigerant leaks.
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930cabman
post Aug 29 2023, 12:18 PM
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(IMG:style_emoticons/default/welcome.png)

How long has this been acting up? just since your recent repair?
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emerygt350
post Aug 29 2023, 01:48 PM
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It looks pretty old...
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porschetub
post Aug 29 2023, 02:25 PM
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QUOTE(rhodyguy @ Aug 30 2023, 04:09 AM) *

RMS. No way a cv contains that much lube. What ever it is, it’s been leaking a long time. The mess is pretty far forward on the trans.

(IMG:style_emoticons/default/agree.gif) bottom of engine looks reasonably clean expect the RMS has been leaking for some time ,lower it closer to the ground and put a sheet of cardboard under the bell housing area and run it up till warm, I would say it will drip out the opening fairly soon.
Think you will find other leaks also but reckon this is the primary cause .
Good luck sorting it,cheers.
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porschetub
post Aug 29 2023, 02:26 PM
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QUOTE(rhodyguy @ Aug 30 2023, 04:09 AM) *

RMS. No way a cv contains that much lube. What ever it is, it’s been leaking a long time. The mess is pretty far forward on the trans.

(IMG:style_emoticons/default/agree.gif) bottom of engine looks reasonably clean expect the RMS has been leaking for some time ,lower it closer to the ground and put a sheet of cardboard under the bell housing area and run it up till warm, I would say it will drip out the opening fairly soon.
Think you will find other leaks also but reckon this is the primary cause .
Good luck sorting it,cheers.
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Aerostatwv
post Aug 29 2023, 03:01 PM
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Mine looked similar. Dropped the motor and transaxle and put all new seals in. So far, after 1.5 years, no leaks..
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Shivers
post Aug 29 2023, 03:09 PM
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Giving it the taste test will tell you a lot. (IMG:style_emoticons/default/biggrin.gif) They smell completely different, engine oil out of a good running engine will have a mild smell, if any. Trans fluid has a strong gamey smell...Rotten dinosaur maybe. You’ll still have to drop at least the trans, but at least you’ll know what to buy.
I’d drop the whole thing and do some house cleaning while I was in there.
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r_towle
post Aug 29 2023, 05:40 PM
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Trans axle shaft seals (o-ring) and cv joint gasket and probably a new boot too.

Look at the housing at the trans….it’s soaked
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bobboinski
post Aug 29 2023, 06:38 PM
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Speedometer drive is at least part of it.
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930cabman
post Aug 30 2023, 04:59 AM
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QUOTE(Aerostatwv @ Aug 29 2023, 03:01 PM) *

Mine looked similar. Dropped the motor and transaxle and put all new seals in. So far, after 1.5 years, no leaks..


Did I read this correctly, "no leaks"?


how can that be
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Front yard mechanic
post Aug 30 2023, 05:36 AM
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Oop
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technicalninja
post Aug 30 2023, 07:13 AM
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QUOTE(Front yard mechanic @ Aug 30 2023, 06:36 AM) *

Coin operated car wash?wtf is that


Decades ago you could drive up to a car wash and wash your car for a quarter!

Now it takes a whole roll...

You rip you couch apart, dig under the seats and center console in your car and maybe find enough quarters for 5 minutes of high-pressure action.

Where I'm at, if the owner of the self-serve car wash saw you cleaning the undercarriage or individual greasy parts, they will have a SHIT FIT.

You will have a problem on your hands...

I've taken a jack and jack stands before to allow serious undercarriage cleaning, but I ONLY do this deep night now.

In the big cities you will often find low class drug dealers frequenting a coin operated car wash. I can't count the number of times I've been offered drugs at one of these past midnight.

I've always been armed when doing this stuff for just this reason.

When I build my big shop on my property I'm planning an old used side post lift outside, under a tall carport, to do this type of work...
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wonkipop
post Aug 30 2023, 07:55 AM
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QUOTE(technicalninja @ Aug 30 2023, 07:13 AM) *

QUOTE(Front yard mechanic @ Aug 30 2023, 06:36 AM) *

Coin operated car wash?wtf is that


Decades ago you could drive up to a car wash and wash your car for a quarter!

Now it takes a whole roll...

You rip you couch apart, dig under the seats and center console in your car and maybe find enough quarters for 5 minutes of high-pressure action.

Where I'm at, if the owner of the self-serve car wash saw you cleaning the undercarriage or individual greasy parts, they will have a SHIT FIT.

You will have a problem on your hands...

I've taken a jack and jack stands before to allow serious undercarriage cleaning, but I ONLY do this deep night now.

In the big cities you will often find low class drug dealers frequenting a coin operated car wash. I can't count the number of times I've been offered drugs at one of these past midnight.

I've always been armed when doing this stuff for just this reason.

When I build my big shop on my property I'm planning an old used side post lift outside, under a tall carport, to do this type of work...


'm (IMG:style_emoticons/default/biggrin.gif)
and 'm (IMG:style_emoticons/default/hands.gif)
coz whatever is going down in the usa is gonna be going down here in 10 years time
and i'm not looking forward to going to the pressure wash armed at midnight. (IMG:style_emoticons/default/blink.gif)

----
back to topic.
if thats a rear main seal your clutch would be slipping i tend to think.
the photo is a bit far back to really tell where the exxon valdez disaster is originating from but she sure is an environmental law suit. (IMG:style_emoticons/default/biggrin.gif)
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