stock cat has claim another victim

ncheung85 · 09-05-2010, 02:47 AM

Help. I dont know what to do. The left side cat came off eventhough one of the stud broke off with the bolt. One of the right side, one of the bolt got stripped and its the last one. What suck it's one of the top ones which is hidden, cant see from the bottom. It suck cause I drove home with one side with the hfc and the other side discounted, which was hella loud, raspy and vibrating. I was testing it on the way home. it did sound good on the left side. lucky i didnt get pull cause there are a lot of cops tonight. i was ******** myself on the way home.

sorry if this doesn't make sense. kinda buzzz right now.

cab83_750 · 09-05-2010, 02:50 AM

You are correct. Post back with some clarity and details......when you are not buzzed!!!!!!

ncheung85 · 09-05-2010, 03:01 AM

Quote:

Originally Posted by cab83_750

You are correct. Post back with some clarity and details......when you are not buzzed!!!!!!

one of the top nut, closest to the middle of the car got stripped. it is kinda hidden. what i can do? please dont say go to a shop.

this is as clearly as i can put it.

Push370zzz · 09-05-2010, 03:33 AM

I heard the driver side is pretty bad

Dembflyr · 09-05-2010, 08:40 AM

Here is what I did with the same situation...
Why is it always the LAST *@#$& BOLT!?!

KaienZ34 · 09-05-2010, 12:01 PM

^^ good info check it out

ncheung85 · 09-05-2010, 07:07 PM

im spraying the nut with pb. hopefully it works. thanks for the help.

cab83_750 · 09-05-2010, 07:18 PM

Apply more than once. Let it soak overnight.

Trips · 09-05-2010, 07:22 PM

Thats why their called Demon Bolts!!

They either get removed by cutting them or using an rounded bolt extractor kit. Cutting is cheaper, and is what most do.

christian370z · 09-05-2010, 09:25 PM

The best way to remove the 'demon bolt' is to warm the car up a bit to expand the bolts and then spray it liberally with a penetrant. Let it sit for a bit and remove the bolt. I snapped the stud clean off on the passenger's side but the driver's side came off relatively easily.

Also, this is a huge tip that made a world of difference for me: try and tighten the bolts even more at first to break the bond. THEN go to loosen them and they will come off much much easier, even easier than the penetrant and heat.

ncheung85 · 09-05-2010, 10:45 PM

Yea..... It doesn't want to come off today. I add a few more spray on it and lets see how it works tomorrow.

Quote:

Originally Posted by christian370z

The best way to remove the 'demon bolt' is to warm the car up a bit to expand the bolts and then spray it liberally with a penetrant. Let it sit for a bit and remove the bolt. I snapped the stud clean off on the passenger's side but the driver's side came off relatively easily.

Also, this is a huge tip that made a world of difference for me: try and tighten the bolts even more at first to break the bond. THEN go to loosen them and they will come off much much easier, even easier than the penetrant and heat.

I'll try these tomorrow.

Quote:

Originally Posted by Triple's

Thats why their called Demon Bolts!!

They either get removed by cutting them or using an rounded bolt extractor kit. Cutting is cheaper, and is what most do.

I was thinking about just cutting the nut off. But there no way of getting the dremel in there. From the bottom of the car, you can't see the nut. The only way to cut is to strap the dremel on a stick and lower it in there.

ncheung85 · 09-06-2010, 01:04 AM

do u guys think something like this will work??

1/2" Drive Stud Extractor

christian370z · 09-06-2010, 02:01 AM

That could work, but I am not sure if it has enough grip to hold the stud since it did not budge after you sheared it to begin with. If the stud is broken, you can still remove the cats but if it is rounded off, it will be an extreme pain in the butt to cut it out.

Holliday · 09-10-2010, 05:09 PM

I soaked mine in liquid wrench penetrating oil and it came off in one piece. I just soaked it down really good and used all 1/2 extensions and sockets.

ncheung85 · 09-13-2010, 12:13 AM

Update:

The PB blaster is only good if you haven't stripped the bolt.

Thanks to the people from Amplified Motorsports. I got my hfc on.

09-05-2010, 02:47 AM	#1 (permalink)
ncheung85 Enthusiast Member Join Date: Feb 2010 Location: Alhambra, CA Posts: 339 Drives: z Rep Power: 15	stock cat has claim another victim Help. I dont know what to do. The left side cat came off eventhough one of the stud broke off with the bolt. One of the right side, one of the bolt got stripped and its the last one. What suck it's one of the top ones which is hidden, cant see from the bottom. It suck cause I drove home with one side with the hfc and the other side discounted, which was hella loud, raspy and vibrating. I was testing it on the way home. it did sound good on the left side. lucky i didnt get pull cause there are a lot of cops tonight. i was ******** myself on the way home. sorry if this doesn't make sense. kinda buzzz right now.

09-05-2010, 03:33 AM	#4 (permalink)
Push370zzz Track Member Join Date: Jul 2009 Location: NE Age: 39 Posts: 649 Drives: cars Rep Power: 17	I heard the driver side is pretty bad __________________ Range Rover Sport Supercharged Nissan 370z Touring + Sport Last edited by Push370zzz; 02-20-2011 at 01:34 PM.

09-05-2010, 08:40 AM	#5 (permalink)
Dembflyr Track Member Join Date: Feb 2010 Location: Indiana Posts: 886 Drives: G37S Sedan Rep Power: 16	Here is what I did with the same situation... Why is it always the LAST @#$& BOLT!?! __________________ 2012 G37S Sedan 6MT - Project Practicality 2009-6MT-Sport/Touring-Dembflyr's Journal-TT Build Thread-CAR IS SOLD*

09-05-2010, 12:01 PM	#6 (permalink)
KaienZ34 A True Z Fanatic Join Date: Oct 2009 Location: LA. not L.a. Posts: 21,652 Drives: Z34 Tour/Sport Rep Power: 178	^^ good info check it out __________________ *"These Violent Delights Have Violent Ends"* http://www.the370z.com/members/kaienz34-albums-z34.html

09-05-2010, 07:22 PM	#9 (permalink)
Trips Administrator Join Date: May 2009 Location: Disneyland, Ca Posts: 8,732 Drives: 🔰 Rep Power: 10	Thats why their called Demon Bolts!! They either get removed by cutting them or using an rounded bolt extractor kit. Cutting is cheaper, and is what most do. __________________

09-05-2010, 02:50 AM	#2 (permalink)
cab83_750 Track Member Join Date: Apr 2009 Location: CA Posts: 887 Drives: 09 NISSAN 370Z Rep Power: 417	You are correct. Post back with some clarity and details......when you are not buzzed!!!!!!

09-05-2010, 07:07 PM	#7 (permalink)
ncheung85 Enthusiast Member Join Date: Feb 2010 Location: Alhambra, CA Posts: 339 Drives: z Rep Power: 15	im spraying the nut with pb. hopefully it works. thanks for the help.

09-05-2010, 07:18 PM	#8 (permalink)
cab83_750 Track Member Join Date: Apr 2009 Location: CA Posts: 887 Drives: 09 NISSAN 370Z Rep Power: 417	Apply more than once. Let it soak overnight.

09-05-2010, 09:25 PM	#10 (permalink)
christian370z A True Z Fanatic Join Date: Jul 2010 Location: Newport Beach Posts: 3,900 Drives: 2010 370Z/Saab 900se Rep Power: 432	The best way to remove the 'demon bolt' is to warm the car up a bit to expand the bolts and then spray it liberally with a penetrant. Let it sit for a bit and remove the bolt. I snapped the stud clean off on the passenger's side but the driver's side came off relatively easily. Also, this is a huge tip that made a world of difference for me: try and tighten the bolts even more at first to break the bond. THEN go to loosen them and they will come off much much easier, even easier than the penetrant and heat. __________________ -320whp / 259wftlbs- SP Rays -- RE-11s -- SpecialtyZ Tune -- Swift Springs -- Stillen 25R Oil Cooler -- Stillen G3 Intakes -- Berk HFCs -- F.I. 12" CBE -- Stillen Sway Bars -- Es14 Spring -- INGS+1 lip -- CF Spoiler -- GTR Start Button -- VLED Parking Lights -- PWJDM V2 shift knob

09-06-2010, 01:04 AM	#12 (permalink)
ncheung85 Enthusiast Member Join Date: Feb 2010 Location: Alhambra, CA Posts: 339 Drives: z Rep Power: 15	do u guys think something like this will work?? 1/2" Drive Stud Extractor

09-06-2010, 02:01 AM	#13 (permalink)
christian370z A True Z Fanatic Join Date: Jul 2010 Location: Newport Beach Posts: 3,900 Drives: 2010 370Z/Saab 900se Rep Power: 432	That could work, but I am not sure if it has enough grip to hold the stud since it did not budge after you sheared it to begin with. If the stud is broken, you can still remove the cats but if it is rounded off, it will be an extreme pain in the butt to cut it out. __________________ -320whp / 259wftlbs- SP Rays -- RE-11s -- SpecialtyZ Tune -- Swift Springs -- Stillen 25R Oil Cooler -- Stillen G3 Intakes -- Berk HFCs -- F.I. 12" CBE -- Stillen Sway Bars -- Es14 Spring -- INGS+1 lip -- CF Spoiler -- GTR Start Button -- VLED Parking Lights -- PWJDM V2 shift knob

09-10-2010, 05:09 PM	#14 (permalink)
Holliday Track Member Join Date: Aug 2009 Location: Cache, OK Age: 38 Posts: 916 Drives: in the fast lane.... Rep Power: 17	I soaked mine in liquid wrench penetrating oil and it came off in one piece. I just soaked it down really good and used all 1/2 extensions and sockets. __________________

09-13-2010, 12:13 AM	#15 (permalink)
ncheung85 Enthusiast Member Join Date: Feb 2010 Location: Alhambra, CA Posts: 339 Drives: z Rep Power: 15	Update: The PB blaster is only good if you haven't stripped the bolt. Thanks to the people from Amplified Motorsports. I got my hfc on.

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