Calling all transmission gurus!
Fleet Owner
Joined: Aug 2005
Posts: 23,667
Likes: 301
From: Easton,Ks
<table border="1" cellpadding="3" cellspacing="0"><tbody><tr><td>Idle (800-1200rpm)</td><td>Vacuum gradually drops</td><td>Excessive exhaust back pressure (plugged muffler or catalytic converter)</td></tr></tbody></table>
Senior User
Joined: Jul 2003
Posts: 431
Likes: 1
From: Hampton,Va
nce I learn how to read a friggin' vacuum gauge like a pro, where are you expecting me to stick it so I can read the pressure I'm getting in my exhaust?
__________________
|-------Chris-------|
Had to laugh at this!!!
Mike
__________________
|-------Chris-------|
Had to laugh at this!!!
Mike
Thread Starter
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Postmaster
Joined: Oct 2006
Posts: 4,816
Likes: 1
From: Davis & Newcastle, CA
Haha, thanks Mike. Good to know I'm getting through to SOMEONE around here. And thanks Bill, I'm planning on doing some extensive testing of my vacuum at different throttle positions tomorrow when I get my truck back. Sorry quick and I had to have it out like that in the public eye. He wore me out so much that after my last post I closed my laptop and passed out on the couch until just now. So it all worked out 
Post Fiend
Joined: May 2004
Posts: 11,289
Likes: 6
From: Lakewood, Ohio
why is subford's short answer, which gives no more info than i gave you, better than mine?
i am glad i finally got through to you to go to the links that i gave you.
at 19 you wear out very easily.
have the shop do a vacuum test if you can while they have the truck.
i am glad i finally got through to you to go to the links that i gave you.
at 19 you wear out very easily.
have the shop do a vacuum test if you can while they have the truck.
Thread Starter
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Postmaster
Joined: Oct 2006
Posts: 4,816
Likes: 1
From: Davis & Newcastle, CA
I don't mind short answers so much as the rudeness. Bill is never rude, while you generally have a bad habit of being rude to guys that are ignorant but trying to learn. And his post actually indicated which vacuum pressure reading might indicate problems with my cat, instead of making me feel stupid by making snide remarks and sending me links to things that didn't explain what I was confused about. I understood that you wanted me to see how to work the vacuum gauge but I was asking WHERE to put the gauge and you would not answer my question, until the very end of our little spat.
And for the record, I visited that link AS SOON as you posted it, and revisted it several times trying to see what you were trying to teach me, but it still didn't answer my question about WHERE to put the gauge. You finally stopped telling me to visit the link and just ANSWERED MY QUESTION. Could you not have done that to begin with? I understand that there is a general feeling around here that someone should research before asking stupid questions, but I did that! And came up with nothing.
And for the record, I visited that link AS SOON as you posted it, and revisted it several times trying to see what you were trying to teach me, but it still didn't answer my question about WHERE to put the gauge. You finally stopped telling me to visit the link and just ANSWERED MY QUESTION. Could you not have done that to begin with? I understand that there is a general feeling around here that someone should research before asking stupid questions, but I did that! And came up with nothing.
Post Fiend
Joined: May 2004
Posts: 11,289
Likes: 6
From: Lakewood, Ohio
post #15 suggested you use a vacuum gauge, my next post, number #17 told you to hook it to a vacuum sourch on the engine.
i have tried to explain myself over and over in these posts.
if you still have a problem than that is just too bad.
i have tried to explain myself over and over in these posts.
if you still have a problem than that is just too bad.
Post Fiend
Joined: Mar 2002
Posts: 19,402
Likes: 38
From: Bonita Springs FL
Chris - I think you're all straightened out now, but you need a vacuum gauge (I have one if you need to borrow it) and hook it to an engine vacuum source. The FPR line works fine, as long as it's coming straight off the vacuum tree on the intake manifold. In other words, don't use the EGR line as a vacuum source.
The exhaust system doesn't hold a vacuum, but it can get over-pressurized if there is a restriction. If you wanted to check the backpressure of the exhaust, it isn't necessary to cut open the exhaust and weld in a bung. You can just remove the O2 sensor and use that port. Any good exhaust shop will have the right tools and adapters to do this, but I don't think this is your problem if you cat is only reading 180. Hopefully the guy let it warm up before he tested it.
Don't let quicklook2 bother you. He can be short and sarcastic, but he means well and he is a good guy. Don't forget how easy it is to misread someone's intentions online. I have done it many times to others and others have misread me many more times.
Sorry I was not online at all today to help you. It's 7:30 and I'm closing in on 12 hours of work with a lot more to go.
The exhaust system doesn't hold a vacuum, but it can get over-pressurized if there is a restriction. If you wanted to check the backpressure of the exhaust, it isn't necessary to cut open the exhaust and weld in a bung. You can just remove the O2 sensor and use that port. Any good exhaust shop will have the right tools and adapters to do this, but I don't think this is your problem if you cat is only reading 180. Hopefully the guy let it warm up before he tested it.
Don't let quicklook2 bother you. He can be short and sarcastic, but he means well and he is a good guy. Don't forget how easy it is to misread someone's intentions online. I have done it many times to others and others have misread me many more times.
Sorry I was not online at all today to help you. It's 7:30 and I'm closing in on 12 hours of work with a lot more to go.
Thread Starter
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Postmaster
Joined: Oct 2006
Posts: 4,816
Likes: 1
From: Davis & Newcastle, CA
Andy you're a site for sore eyes 
Thanks for regulating the situation, I might have to take you up on that vacuum gauge. And after I posted the temp for the cat that the guy told me I realized I might have confused it with the TC temp, because 180* is not proper operating temp for a cat if I understand correctly, it is supposed to be much hotter. Either way, he said both temperatures were normal. We'll see what he says tomorrow. Thanks again guys. Sorry for all the bickering quick (and any other readers), I just have a hard time comprehending these things sometimes. Ask me something about computer software/hardware and I could lecture you all day, but automotive work is still pretty foreign to me.
Thanks for regulating the situation, I might have to take you up on that vacuum gauge. And after I posted the temp for the cat that the guy told me I realized I might have confused it with the TC temp, because 180* is not proper operating temp for a cat if I understand correctly, it is supposed to be much hotter. Either way, he said both temperatures were normal. We'll see what he says tomorrow. Thanks again guys. Sorry for all the bickering quick (and any other readers), I just have a hard time comprehending these things sometimes. Ask me something about computer software/hardware and I could lecture you all day, but automotive work is still pretty foreign to me.
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Post Fiend
Joined: May 2004
Posts: 11,289
Likes: 6
From: Lakewood, Ohio
andym, thanks for the backward compliment but like it has been pointed out by others, including moderators, that it is hard to tell humor, sarcasm, or many other meanings in a forum post.
one persons interpretation may not be anothers.
i came into the discussion on clogged exhaust with a way to check the system and i never intended it to be a pissing match.
i will not be posting on this subject again.
QL2
one persons interpretation may not be anothers.
i came into the discussion on clogged exhaust with a way to check the system and i never intended it to be a pissing match.
i will not be posting on this subject again.
QL2
Elder User
Joined: Oct 2006
Posts: 843
Likes: 1
From: Redmond, WA
Can't we all just get along? Chris, I agree quicklook's posts are short and abrasive. But he gets to the point and generally gives superb advice. Maybe he's not as comfortable with the keyboard as he is with an impact gun?
That being said, its damn right impossible to elude someone's intent from a forum post. No need to get our panties in a bunch over what we think somene intended.
Sounds like my girlfriend with text messages...she always tries to "figure" out the hidden meanings there. It is what it is. QL2's responses work just fine for me as an internet reply. If he spoke like that in person, I might have a different response.
Does anyone else find this amusing?
Or am I just a cynical old fart?Back to the topic, glad to see your tranny man didn't find any issues. Since you've got that fancy code reader, how about check for some new codes?
You might think again about that oversized E4OD pan and cooler I tried to point you to now won't ya! Well worth insurance policy on that overpriced shifter.
Good Luck!
Mike
Thread Starter
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Postmaster
Joined: Oct 2006
Posts: 4,816
Likes: 1
From: Davis & Newcastle, CA
Yeah I know it's hard to interpret someone's tone when they are typing online, but I think we can all tell when QL's tone is obviously sarcastic (as it was several times on this thread). But I would really like to stop talking about it because I'm not normal confrontation and I don't like making enemies. Quicklook, as I said before, you are super knowledgeable with these trucks and I can't thank you enough for all of the help that you have given me since I joined last year. Let's leave it at that.
Back to my truck. The tranny shop is going to hook up the computer tomorrow and see what she throws at them code-wise, so he'll report that back to me. As far as "glad to hear there's nothing wrong", I'm not
Clearly there IS something wrong, he just didn't find it. I'd rather know what it is, you know?
And as for the extra cooling components, I never said I wasn't interested. I said that I would definitely look into it (and probably purchase the items, if I have any money left) after I get this all fixed. Thanks for the advice Mike, you're always super helpful too.
Back to my truck. The tranny shop is going to hook up the computer tomorrow and see what she throws at them code-wise, so he'll report that back to me. As far as "glad to hear there's nothing wrong", I'm not
Clearly there IS something wrong, he just didn't find it. I'd rather know what it is, you know?And as for the extra cooling components, I never said I wasn't interested. I said that I would definitely look into it (and probably purchase the items, if I have any money left) after I get this all fixed. Thanks for the advice Mike, you're always super helpful too.
Senior User
Joined: Mar 2007
Posts: 224
Likes: 0
From: San Jose , ca
vacuum
Originally Posted by Skandocious
Yes I did visit that link, but for the third time, I do not need help READING a vacuum gauge, I just need to know where to put the damned thing when trying to read exhaust pressure! And again, THANK YOU FOR TRYING TO HELP ME QUICK.
you hook the gauge up to a vacuum source which has direct connection to the intake manifold, many times you will find a vacuum tree on fords connect to it and the gauge will read higher at idle than with throttle open. IE: 15 at idle and near 0 at WOT. In a normal engine you accelerate and the vacuum drops, when you let off the pedal, it quickly returns to the idle number or higher, if it makes a lazy return to idle reading, there is a restriction in the exhaust, and the gases can not get out, so new charge can not get in; hence a lazy needle. It works in Park as well, needle should read low number as you rev and then a high number when you close throttle.. Let us know what you find.
Posting Guru
Joined: Feb 2002
Posts: 1,712
Likes: 1
From: Atlanta, Georgia, USA
As a passive observer on this thread, I'd like to point out that people's "feelings" getting hurt has been sidestepping the good content found here.
QL2's got some great advice for diagnosing your truck. If you think concise information is rude then invent a way to put an e-hug in your signature block.
QL2's got some great advice for diagnosing your truck. If you think concise information is rude then invent a way to put an e-hug in your signature block.
Thread Starter
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Postmaster
Joined: Oct 2006
Posts: 4,816
Likes: 1
From: Davis & Newcastle, CA
WHY DOES THIS KEEP GETTING BROUGHT BACK UP?! I never said that I had a problem with concise information. When I said that quicklook is "short", I meant it with the meaning of "abrupt" or "curt", as according to the dictionary definition. But aside from that, the sarcastic and condescending remarks are what bother me more than anything else. And he continued to leave those at the end of his posts all through our little spat.
ALL OF THAT ASIDE! I already addressed the fact that quicklook is very knowledgeable and helpful on FTE, he always has been. It just bugs me that he makes people feel stupid for not knowing the things that he knows. CAN WE PLEASE GET BACK ON TOPIC?!
ALL OF THAT ASIDE! I already addressed the fact that quicklook is very knowledgeable and helpful on FTE, he always has been. It just bugs me that he makes people feel stupid for not knowing the things that he knows. CAN WE PLEASE GET BACK ON TOPIC?!
Posting Guru
Joined: Feb 2002
Posts: 1,712
Likes: 1
From: Atlanta, Georgia, USA
(abrupt + short + curt) + (accurate + helpful) = concise
I'm just saying I don't think anybody would intend to be rude by reading your post and responding with helpful information. No worries- I'm just saying the drama aspect of this thread diluted the pertinent content but the tech/drama quotient still makes it tolerable (and FTE-like) and I think you're on your way to fixing your transmission, and that's what it's all about!
My E40D just hit 241,000 behind a 300ci I-6. It slips in OD on steep grades when going under 70mph, but it still holds strong enough to score 20 MPG on the freeway.
I'm just saying I don't think anybody would intend to be rude by reading your post and responding with helpful information. No worries- I'm just saying the drama aspect of this thread diluted the pertinent content but the tech/drama quotient still makes it tolerable (and FTE-like) and I think you're on your way to fixing your transmission, and that's what it's all about!
My E40D just hit 241,000 behind a 300ci I-6. It slips in OD on steep grades when going under 70mph, but it still holds strong enough to score 20 MPG on the freeway.