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Old 02-24-2014, 06:17 PM
4x4MAZDAB400094 4x4MAZDAB400094 is offline
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Default egr pipe the one that goes from egr to exhaust is cracked

Hey guys my pipe from my egr to exhaust on my 4.0l ohv v6 is cracked and i you can tell that it is backfiring when u rev it high then let off and it is losing some power from this leak i was wondering how to take it off and what is the actual name for that pipe it has 2 vaccum lines near top of pipe
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Old 02-24-2014, 06:47 PM
Jswifto Jswifto is offline
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It is the egr manifold
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Old 02-24-2014, 07:10 PM
4x4MAZDAB400094 4x4MAZDAB400094 is offline
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Originally Posted by Jswifto View Post
It is the egr manifold
It is the pipe that screws into the egr if thats what you are refering to
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Old 02-24-2014, 07:33 PM
4x4MAZDAB400094 4x4MAZDAB400094 is offline
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Would this cause the backfiring sort of sound when i let off the gas? And the hole is pretty big this will make my truck lose power too right?
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Old 02-25-2014, 04:25 AM
Jswifto Jswifto is offline
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Yes it is just like an exhaust leak and you are not getting proper egr flow with it
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Old 02-25-2014, 04:49 AM
tacho19871987 tacho19871987 is offline
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Its called the egr pipe
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Old 02-25-2014, 05:20 AM
Bob C. of Indiana Bob C. of Indiana is offline
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Default Re: egr pipe the one that goes from egr to exhaust is cracked

Have you tried JB Weld or other high temp puttys to patch your leak? Can it be welded?
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Old 02-25-2014, 12:02 PM
4x4MAZDAB400094 4x4MAZDAB400094 is offline
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Will it hurt to put paste on the egr tube what if it sucks the the paste up into the egr valve?

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Originally Posted by Bob C. of Indiana View Post
Have you tried JB Weld or other high temp puttys to patch your leak? Can it be welded?
Df
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Old 02-25-2014, 12:17 PM
cowboybilly9mile cowboybilly9mile is offline
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Default Re: egr pipe the one that goes from egr to exhaust is cracked

My old 94 with a 4.0 never had EGR.........comes to be that it was used in vehicles sold in Kali. So on that note and if I were you, and unless it's easy to fab a replacement, treat yours very nicely until a permanent solution comes up.

I don't know exactly what damage yours has, but I have fixed these by replacing a section of cracked pipe with a section of new pipe, and plumbed it in with a couple of compression fittings. Might be something to consider.
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Old 02-25-2014, 12:19 PM
Futurefd Futurefd is offline
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Default Re: egr pipe the one that goes from egr to exhaust is cracked

picture of said problem?
I have a 94 4.0 can't seem to remember if i have an EGR
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  #11  
Old 02-25-2014, 12:58 PM
4x4MAZDAB400094 4x4MAZDAB400094 is offline
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Quote:
Originally Posted by cowboybilly9mile View Post
My old 94 with a 4.0 never had EGR.........comes to be that it was used in vehicles sold in Kali. So on that note and if I were you, and unless it's easy to fab a replacement, treat yours very nicely until a permanent solution comes up.

I don't know exactly what damage yours has, but I have fixed these by replacing a section of cracked pipe with a section of new pipe, and plumbed it in with a couple of compression fittings. Might be something to consider.
Good idea.. I will do that on the weekend will let u no how it works
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Old 02-25-2014, 01:16 PM
cowboybilly9mile cowboybilly9mile is offline
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Default Re: egr pipe the one that goes from egr to exhaust is cracked

Copper pipe or brass tube + brass compression fittings FTW. Be careful, measure and plan all steps before cutting; your current tube is probably pretty scarce in JY's and as NOS item so a mistake/oversight/screwup *could* have unintended, unpleasant consequences.
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Old 02-25-2014, 01:31 PM
4x4MAZDAB400094 4x4MAZDAB400094 is offline
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Quote:
Originally Posted by cowboybilly9mile View Post
Copper pipe or brass tube + brass compression fittings FTW. Be careful, measure and plan all steps before cutting; your current tube is probably pretty scarce in JY's and as NOS item so a mistake/oversight/screwup *could* have unintended, unpleasant consequences.
What do you mean by JY's and NOS

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Originally Posted by Futurefd View Post
picture of said problem?
I have a 94 4.0 can't seem to remember if i have an EGR
You must have cali edition cause both of my 94s have egr
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Old 02-25-2014, 01:34 PM
cowboybilly9mile cowboybilly9mile is offline
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Default Re: egr pipe the one that goes from egr to exhaust is cracked

JY = junk yard
NOS = new old stock. NOS is, for example, what becomes of old OEM dealer inventory when they don't want it on their shelves anymore, someone(s) buys it up and remarkets the merchandise.

On Edit: if it were mine you wanna know what I'd do first? I'd try pulling whatever makes that EGR operate, vacuum line and/or wire plug, then I'd drive awhile and see if it trips a CEL and/or sets a code. If it didn't and if emissions were of no concern, I'd give it a permanent EGR "tune up".
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Last edited by cowboybilly9mile; 02-25-2014 at 01:39 PM.
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  #15  
Old 02-25-2014, 01:37 PM
4x4MAZDAB400094 4x4MAZDAB400094 is offline
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Quote:
Originally Posted by cowboybilly9mile View Post
JY = junk yard
NOS = new old stock. NOS is, for example, what becomes of old OEM dealer inventory when they don't want it on their shelves anymore, someone(s) buys it up and remarkets the merchandise.
I have a 94 exactly the same for parts but the tube is really rusted on there and i dont know if it will come off and will any copper pipe work or should i get heating pipe
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