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exhaust removal help

 
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  #1 (permalink)  
Old 11 Mar 2014, 04:48 pm
zkdawg's Avatar
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Question exhaust removal help

how easy is it the remove the stock 2.4L non turbo exhaust man.?
what r the chances it going well?

i ask as im going to punch out the cat. and was wanting to know as this is my only car and have to make sure i dont need the walk to the parts store if i dont have what i need already.

i am going to spray the nuts with penetrating wd-40 to help free them.
is it common for the studs to break?

Last edited by zkdawg; 12 Mar 2014 at 11:05 am.
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Old 11 Mar 2014, 04:54 pm
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Default Re: exhaust removal help

I'll let one of the other more experienced people help you with your question. Just wanted to say that ALL cars in the U.S. have the 2.4 Ltr engine. You'll only fine the 2.0 Ltr engine overseas. There IS a difference in motors so it's important to say what you have. It's also important to say what year your cruiser is for most questions. You probably did say what year it is before but nobody likes to go through old threads to see what you said.

There's also an older post that might help....

How am I supposed to remove the exhaust manifold?!
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Last edited by CREWZIN; 11 Mar 2014 at 05:05 pm.
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Old 11 Mar 2014, 05:12 pm
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Default Re: exhaust removal help

tools you will likely need are:

*Beer
*Safety glasses
*Penetrating oil
*new nuts and bolts(preferably stainless), a drill, a couple good
drill bits, and a good pair of vise grips -just in case

you should expect ALL the bolts to break off. if they do not, just be thankful.
hopefully you get lucky and none break. you can return the bolts if you don't
need them.

you should also expect rust to fall all over your face. if you don't have the
glasses, don't bother starting your project. i'm not saying this to sound
motherly.
exhaust is rusty, it's over your head, and it sucks.

always push the wrench away from your face. I split a deep socket
lengthwise pulling on a wrench trying to loosen an exhaust bolt. when it
broke, i pulled the wrench into my face and had to go to the emergency
room where i was charged $1000 for them to superglue my face shut.

good luck and let us know how it turns out (: i hope everything comes apart like butter for you.
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Old 11 Mar 2014, 05:15 pm
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Default Re: exhaust removal help

the bolts to the head should be okay but anything else likely won't be so easy.
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Old 11 Mar 2014, 05:30 pm
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Default Re: exhaust removal help

If you are concerned about the stiffness of the bolts/nuts, there is a product called "Kano Kroil" which is in my opinion the best penetrating fluid on the market.

Amazon carries it.

FWIW
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Old 11 Mar 2014, 06:36 pm
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Posts: 466
Default Re: exhaust removal help

You would also need a torch to heat up the exhaust pipes to seperate them.
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Old 12 Mar 2014, 09:45 am
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Default Re: exhaust removal help

Quote:
Originally Posted by rob342 View Post
tools you will likely need are:

*Beer
*Safety glasses
*Penetrating oil
*new nuts and bolts(preferably stainless), a drill, a couple good
drill bits, and a good pair of vise grips -just in case

you should expect ALL the bolts to break off. if they do not, just be thankful.
hopefully you get lucky and none break. you can return the bolts if you don't
need them.

you should also expect rust to fall all over your face. if you don't have the
glasses, don't bother starting your project. i'm not saying this to sound
motherly.
exhaust is rusty, it's over your head, and it sucks.

always push the wrench away from your face. I split a deep socket
lengthwise pulling on a wrench trying to loosen an exhaust bolt. when it
broke, i pulled the wrench into my face and had to go to the emergency
room where i was charged $1000 for them to superglue my face shut.

good luck and let us know how it turns out (: i hope everything comes apart like butter for you.
does anyone know off hand what size the bolts are that i need?
i just measured and i think its:
1 bolt at 2 1/4 L - 11/32 W
4 bolts at 1 5/8 L - 7mm W

does that look right?
mind it that I measured with a machinist ruler as i dont have a caliper.

Last edited by zkdawg; 12 Mar 2014 at 09:47 am.
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Old 12 Mar 2014, 03:54 pm
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Join Date: Apr 2013
Posts: 12
Default Re: exhaust removal help

This has been floating around for awhile:

Machinist’s Workshop Mag™ recently published some information on various penetrating oils.
The magazine reports they tested penetrates for break out torque on rusted nuts.

They arranged a subjective test of all the popular penetrates with the control being the torque required to remove the nut from a
“scientifically rusted” environment.

*Penetrating oil .......... Average load*
None ........................... 516 pounds
WD-40 ..................... ... 238 pounds
PB Blaster .................... 214 pounds
Liquid Wrench ............... 127 pounds
Kano Kroil .................... 106 pounds
ATF*-Acetone mix...............53 pounds

The ATF-Acetone mix was a “home brew” mix of 50 - 50 automatic transmission fluid and acetone. Note the “home brew” was better than any commercial product in this one particular test.
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Old 12 Mar 2014, 04:39 pm
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Default Re: exhaust removal help

it would be way cheaper to mix uop a big spray bottle of that to keep around
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Old 12 Mar 2014, 05:15 pm
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Join Date: Jun 2012
Location: USA kalyfornia
Posts: 15,814
Default Re: exhaust removal help

Quote:
Originally Posted by rob342 View Post
tools you will likely need are:

*Beer
*Safety glasses
*Penetrating oil
*new nuts and bolts(preferably stainless), a drill, a couple good
drill bits, and a good pair of vise grips -just in case

you should expect ALL the bolts to break off. if they do not, just be thankful.
hopefully you get lucky and none break. you can return the bolts if you don't
need them.

you should also expect rust to fall all over your face. if you don't have the
glasses, don't bother starting your project. i'm not saying this to sound
motherly.
exhaust is rusty, it's over your head, and it sucks.

always push the wrench away from your face. I split a deep socket
lengthwise pulling on a wrench trying to loosen an exhaust bolt. when it
broke, i pulled the wrench into my face and had to go to the emergency
room where i was charged $1000 for them to superglue my face shut.

good luck and let us know how it turns out (: i hope everything comes apart like butter for you.

man you do work on some POS vehicles don't you?

you forgot to mention a sawzall and torch?
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