HELP!! Rounded PITA top CAT bolt

Urbanracer · 01-05-2010, 03:49 PM

A friend has these from sears, he told me they seem to work.
link,
http://www.sears.com/shc/s/p_10153_1...4506000P?mv=rr

kannibul · 01-05-2010, 04:46 PM

I still say dremel w/ cutoff wheel.

If anything you can cut a big F'n notch in it, wedge a screwdriver against it, and crank on the other end until something gives.

Absolute worst case, you can cut off the HFC at the flange to remove the header...but I'd try cutting off the bolt's head first.

CBRich · 01-06-2010, 09:43 AM

Wow. That is a pretty stubborn bolt. I'm going to assume it won't get reused. LOL.

phantom21 · 01-06-2010, 09:56 AM

Quote:

Originally Posted by CBRich

Wow. That is a pretty stubborn bolt. I'm going to assume it won't get reused. LOL.

Haha, No. I told them "good job" when they got it out; "now, put it back".

I'm keeping it and making a shrine for it.

Liquid_G · 01-13-2010, 01:23 PM

Hey Phantom21.. do you (or anyone else here) know the size of that bolt? Both of mine sheared off and need to get them replaced. Thanks

Trips · 01-13-2010, 08:11 PM

Quote:

Originally Posted by Liquid_G

Hey Phantom21.. do you (or anyone else here) know the size of that bolt? Both of mine sheared off and need to get them replaced. Thanks

14mm bolts

Liquid_G · 01-13-2010, 09:01 PM

right i know its a 14mm hex head on the bolt, but was kinda looking for the thread size. no big deal though, realized i dont need them.. found the bolts that came with the FI HFC's.

btw those bolts are like 6 bux a piece from the dealer. 6 dollars for a bolt.. wow

Trips · 01-13-2010, 09:04 PM

Quote:

Originally Posted by Liquid_G

right i know its a 14mm hex head on the bolt, but was kinda looking for the thread size. no big deal though, realized i dont need them.. found the bolts that came with the FI HFC's.

btw those bolts are like 6 bux a piece from the dealer. 6 dollars for a bolt.. wow

What the hell! Are they titanium?

phantom21 · 01-15-2010, 08:47 AM

Quote:

Originally Posted by Triple's

What the hell! Are they titanium?

As much as I agree 6 bucks is outrageous for an exhaust bold, I do think they must be Ti. I kept my $130 PITA bolt only as a conversation keep sake. I was going to use some HDD magnets to hold it to my desk and found out that the bolt has no magnetism on the head of the bolt and VERY little attraction on the threaded end or vise versa.

spearfish25 · 01-15-2010, 09:00 AM

Quote:

Originally Posted by phantom21

As much as I agree 6 bucks is outrageous for an exhaust bold, I do think they must be Ti. I kept my $130 PITA bolt only as a conversation keep sake. I was going to use some HDD magnets to hold it to my desk and found out that the bolt has no magnetism on the head of the bolt and VERY little attraction on the threaded end or vise versa.

How much does the bolt weigh? If it doesn't have much 'heft' it may be titanium. More likely it's just stainless steel. With these bolts shearing, rounding, and being meltable, they sound like they're aluminum. All three of these options would be non-magnetic (as long as the SS is high enough quality ie low ferrous content).

JoeyD · 01-15-2010, 10:32 AM

Aluminum bolt? If so that was really dumb (or intentional to keep us from tampering). Aluminum and Steel(the flange and threads) when heat cycled repeatedly will fuse. Fuse=sux

Glad you got it off. I'm loving the idea of Long Tube Headers so I don't have to mess with these suckers.

abakja1 · 01-18-2010, 05:51 PM

THIS SUCKS!!

My Driver side 14mm head also rounded off...and the Sears bolt extractor socket doesnt work either....I completed passanger side and cant finish her off...

Did you drive to the exhaust shop with 1 HF Cat and one regular one??
Damn Nissan Gorillas with their torque guns....

frick!

Trips · 01-18-2010, 06:13 PM

Quote:

Originally Posted by abakja1

THIS SUCKS!!

My Driver side 14mm head also rounded off...and the Sears bolt extractor socket doesnt work either....I completed passanger side and cant finish her off...

Did you drive to the exhaust shop with 1 HF Cat and one regular one??
Damn Nissan Gorillas with their torque guns....

frick!

you might want to have it cut off, now I don't know how strict they are their but if they don't want to remove them for legal reasons have just cut off the bolt and drive back home to remove it, if there pretty cool take the cat and have them install it.. good luck

Chris@FsP · 01-18-2010, 10:53 PM

Heat it up with a torch before you cut anything off!

DIGItonium · 01-18-2010, 11:10 PM

My installer used a blow torch and slowly worked it loose with air tools. I asked if he broke at least 1 bolt, and he never did. I think he re-used the bolts when he put my stock cats back on as well.

01-05-2010, 03:49 PM	#1 (permalink)
Urbanracer Enthusiast Member Join Date: Oct 2009 Location: The mid-west, USA Posts: 266 Drives: God's Chariot Rep Power: 16	A friend has these from sears, he told me they seem to work. link, http://www.sears.com/shc/s/p_10153_1...4506000P?mv=rr __________________ 09 Nismo - HKS \| Berk \| HPS \| K&N \| Zspeed 09 Maxima \| 09 CBR 1000RR \| 02 CBR F4i

01-15-2010, 10:32 AM	#11 (permalink)
JoeyD Enthusiast Member Join Date: Jan 2009 Location: Raeford, NC Posts: 305 Drives: 09 NISMO 370Z Rep Power: 187	Aluminum bolt? If so that was really dumb (or intentional to keep us from tampering). Aluminum and Steel(the flange and threads) when heat cycled repeatedly will fuse. Fuse=sux Glad you got it off. I'm loving the idea of Long Tube Headers so I don't have to mess with these suckers. __________________ When was the last time you did 230MPH in something with 4 seats?

01-18-2010, 11:10 PM	#15 (permalink)
DIGItonium A True Z Fanatic Join Date: Jan 2009 Location: Kansas Posts: 3,800 Drives: 09 Z34-TT 6MT Rep Power: 43	My installer used a blow torch and slowly worked it loose with air tools. I asked if he broke at least 1 bolt, and he never did. I think he re-used the bolts when he put my stock cats back on as well. __________________

01-05-2010, 04:46 PM	#2 (permalink)
kannibul A True Z Fanatic Join Date: Jun 2009 Location: Jenks, OK Posts: 2,281 Drives: 370z Touring/Sport Rep Power: 267	I still say dremel w/ cutoff wheel. If anything you can cut a big F'n notch in it, wedge a screwdriver against it, and crank on the other end until something gives. Absolute worst case, you can cut off the HFC at the flange to remove the header...but I'd try cutting off the bolt's head first.

01-06-2010, 09:43 AM	#3 (permalink)
CBRich A True Z Fanatic Join Date: Apr 2009 Location: SC Posts: 2,464 Drives: 370Z Rep Power: 545	Wow. That is a pretty stubborn bolt. I'm going to assume it won't get reused. LOL.

01-13-2010, 01:23 PM	#5 (permalink)
Liquid_G A True Z Fanatic Join Date: Aug 2009 Location: Chicago Burbs Posts: 1,439 Drives: 09 370z Supercharged Rep Power: 44	Hey Phantom21.. do you (or anyone else here) know the size of that bolt? Both of mine sheared off and need to get them replaced. Thanks

01-13-2010, 09:01 PM	#7 (permalink)
Liquid_G A True Z Fanatic Join Date: Aug 2009 Location: Chicago Burbs Posts: 1,439 Drives: 09 370z Supercharged Rep Power: 44	right i know its a 14mm hex head on the bolt, but was kinda looking for the thread size. no big deal though, realized i dont need them.. found the bolts that came with the FI HFC's. btw those bolts are like 6 bux a piece from the dealer. 6 dollars for a bolt.. wow

01-18-2010, 05:51 PM	#12 (permalink)
abakja1 Enthusiast Member Join Date: Sep 2009 Location: Hawaii Posts: 351 Drives: STI, MDX, Titan Rep Power: 305	THIS SUCKS!! My Driver side 14mm head also rounded off...and the Sears bolt extractor socket doesnt work either....I completed passanger side and cant finish her off... Did you drive to the exhaust shop with 1 HF Cat and one regular one?? Damn Nissan Gorillas with their torque guns.... frick!

01-18-2010, 10:53 PM	#14 (permalink)
Chris@FsP Enthusiast Member Join Date: Dec 2009 Location: Tulsa, OK Posts: 430 Drives: 2008 350Z TT Rep Power: 369	Heat it up with a torch before you cut anything off!