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2 members (Gdads51, 1 invisible),
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Global Mod,
Mod | | | Forums66 Topics128,088 Posts1,056,124 Members48,435 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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#43900 10/07/2002 7:39 PM | Joined: Oct 2002 Posts: 2 Junior Member | | Junior Member Joined: Oct 2002 Posts: 2 | Have had some recent strange happenings with my TH350. If the truck sits for more than 4 days, upon starting, tranny fluid is blown out the dipstick tube. If the truck is started every day or even every other day, no problem. That has me confused.
Now to add misery, just recently, after driving several miles, I have tranny fluid being pumped out the dipstick tube intermittently while cruising down the highway.
Not certain at all what my problem is. Should have used that 4-speed instead, me thinks.
Does anybody have any ideas or suggestions?? | | |
#43901 10/07/2002 8:42 PM | Joined: Feb 2001 Posts: 1,897 Member | | Member Joined: Feb 2001 Posts: 1,897 | There is a vent tube just up on top of the main part of the tranny.It may be plugged or pinched.
Could also be internal seal problems too.CHeck the easy first.
There is enough good in the worst of us and enough bad in the best of us that it does not behoove any of us to criticize the rest of us.
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Be yourself. If you are ever lost, It will be much easier to find yourself if you know who you are!
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#43902 10/07/2002 11:43 PM | Joined: Oct 2002 Posts: 2 Junior Member | | Junior Member Joined: Oct 2002 Posts: 2 | The vent tube seems to be fine. Not pinched or bent and appears to be open.
I was wondering if the modulator has anything to do with this problem. | | |
#43903 10/08/2002 12:15 AM | Joined: Feb 2002 Posts: 22 Member | | Member Joined: Feb 2002 Posts: 22 | yes if the diaphragm is gone in the modulator valve, you will suck transmission fluid straight into the intake usually ending up in one of the back two cylinders....red tinge when you remove the heads. I once rebuilt an engine thinking I had blown a ring.
Later | | |
#43904 10/08/2002 2:16 AM | Joined: Oct 2001 Posts: 54 Shop Shark | | Shop Shark Joined: Oct 2001 Posts: 54 | spews oil out breater -
* low oil level or warter in oil
* filter and/or gasket
* priming valve stuck
* cooler valve leak
* porous cross-leak
Yes, officer it's licensed.
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