down to last straw w/ header install!!

[91nis240]

91' 240sx

ok peoples i attempted to install my HS header last week and had trouble gettin the egr bolt to break loose on the stock header (ive posted on this already) but anyway i broke that loose a few days ago. But now i cannot get the bottom hook up bolt to come loose (belive it the AIV hookup) i work at jiffy lube so i was able to get under the car easly and try and get it off. I tried open end wrenchs, adjustable wrenches, locking pliers, heavy dudy monky wrench, and nothing but scrapping away at the nut. So this weekend i just plan on takin it a to a muffler shop and have them break it free for me. Anylast minute suggestions??

[Former_240_s14]

You have tried maintainence man in a can "wd-40" right, jk lol.

[Aries]

just go to the local auto store and tell them you need some spray to break bolts loose.They'll know what you want.

[AznRide]

At my friend's shop, they always heat the bolt with a torch and it always easy for them to unscrew it. You can try that. If you break it, take a sharp pointed chissel and pound the bolt counterclockwise to remove the stud...get it? Just hope you snape the bolt in half.

[91nis240]

yeh thanks for all your help guys, but i think im a just take it to the muffler shop. i mean i gunked the bolt in wd40 and took like almost 10 pound monkey wrench to it, and wouldnt even budge. i just hate running into other problems when i attempt an install on my 240.

[Aries]

the mexican speed wrench (monkey wrench) is not a tool for cars!

EVER!

Now, that said, you can safely heat the bolt as there is no sensor attached. the EGR sensor is on the other end of the tube.

I believe the size of the bolt is 17 or 19mm. Try an open ended wrench, or a 1/2 ratchet (ratchet with an open ended attachment).

[red240ne]

yeh thanks for all your help guys, but i think im a just take it to the muffler shop. i mean i gunked the bolt in wd40 and took like almost 10 pound monkey wrench to it, and wouldnt even budge. i just hate running into other problems when i attempt an install on my 240.

dude, don't give up. i had the same problems a couple of months ago, but eventually everything came loose with hard work. you probably just don't have any muscles.

[Former_240_s14]

WD-40 is not a good bolt breaker, do not recommend its use as one.

Hehe, just wanted to use the saying "maintenance man in a can".

and second off, it couldn't hurt could it??

[EZcheese15]

Go buy PB Blaster, or any other product that is specifically formulated for loosening seized bolts. It will make a world of difference.

Dude, you spray PB on there, and the bolt will want to come off on it's on. That stuff is like magic ferry dust for mechanics.

[mewt240]

A helmet might not be out of the question either.

[red240ne]

Exactly. Make sure you wear eye protection, because the bolt may leap unassisted out of the hole after spraying the PB on.

Really.

Don't wear your favorite T-Shirt either, because i had to wash mine 5 times before the PB stench came out. My car also stunk for 2 weeks.

[EZcheese15]

Don't wear your favorite T-Shirt either, because i had to wash mine 5 times before the PB stench came out. My car also stunk for 2 weeks.

Nah man, that's some good stuff :bonghit

[91nis240]

ok guys i went to home depot and pepboys in search for 'pb blaster' , no luck. i did though pick up this stuff called "liquid wrench" says its ment for freeing rusted bolts and parts. So iim gonna give it a shot one more time tomorrow before i send it off to the muffler shop. Also i was just thinking that everytime ive tried to break the bolt free my car had been sitting for a couple hours, so this time im gonna make sure its hot, maybe it should help loosen that seal some.

[EZcheese15]

ok guys i went to home depot and pepboys in search for 'pb blaster' , no luck. i did though pick up this stuff called "liquid wrench" says its ment for freeing rusted bolts and parts. So iim gonna give it a shot one more time tomorrow before i send it off to the muffler shop. Also i was just thinking that everytime ive tried to break the bolt free my car had been sitting for a couple hours, so this time im gonna make sure its hot, maybe it should help loosen that seal some.

Can looks like this:

[91nis240]

aight will do man, thanks

ill let ya know if i have any better luck

[91nis240]

i got it!!! finally broke the bolt loose. I sprayed it down w/ "liquid wrench" and let my car warm up for 25 minuets befor i gave it a try. with a little muscle it broke free. I didnt take it off just gave it lik one full turn and will leave it like that til i install my header either tomorrow or next sunday.

just wanted to let you guys know.